acinclude.m4 (GLIBCPP_CHECK_MATH_DECL_1): New macro.

2001-02-05   Benjamin Kosnik  <bkoz@redhat.com>

	* acinclude.m4 (GLIBCPP_CHECK_MATH_DECL_1): New macro.
	(GLIBCPP_CHECK_MATH_DECL_2): New macro.
	(GLIBCPP_CHECK_MATH_DECL_3): New macro.
	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1): Use it, check for _* too.
	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2): Same.
	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3): Same.
	(GLIBCPP_CHECK_MATH_SUPPORT): Remove explicit checks for _* versions.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r39482

4 files changed, 1756 insertions, 1614 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4687d1d4..d9c1a8d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,15 @@
+2001-02-05   Benjamin Kosnik  <bkoz@redhat.com>
+
+	* acinclude.m4 (GLIBCPP_CHECK_MATH_DECL_1): New macro.
+	(GLIBCPP_CHECK_MATH_DECL_2): New macro.
+	(GLIBCPP_CHECK_MATH_DECL_3): New macro.
+	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1): Use it, check for _* too.
+	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2): Same.
+	(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3): Same.
+	(GLIBCPP_CHECK_MATH_SUPPORT): Remove explicit checks for _* versions.
+	* aclocal.m4: Regenerate.
+	* configure: Regenerate.
+	
 2001-02-05  Mark Mitchell  <mark@codesourcery.com>
 
 	* include/bits/locale_facets.tcc: Remove `static' keyword on
@@ -8,7 +20,7 @@
 	* src/locale-inst.cc: Explicitly instantiate more functions.
 	* src/msic-inst.cc: Likewise.
 	* src/string-inst.cc: Likewise.
-	
+
 2001-02-05  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* acinclude.m4 (GLIBCPP_EXPORT_INSTALL_INFO): New
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index f2447a3..d5fcb80 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -315,17 +315,11 @@ AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
 
 dnl
 dnl Check to see if the (math function) argument passed is
-dnl 1) declared when using the c++ compiler
-dnl 2) has "C" linkage
-dnl
-dnl Define HAVE_CARGF etc if "cargf" is declared and links
-dnl
-dnl argument 1 is name of function to check
-dnl
+dnl declared when using the c++ compiler
 dnl ASSUMES argument is a math function with ONE parameter
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
+dnl GLIBCPP_CHECK_MATH_DECL_1
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_1, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -338,11 +332,34 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
+])
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl 1) declared when using the c++ compiler
+dnl 2) has "C" linkage
+dnl 3) if not, see if 1) and 2) for argument prepended with '_'
+dnl
+dnl Define HAVE_CARGF etc if "cargf" is declared and links
+dnl
+dnl argument 1 is name of function to check
+dnl
+dnl ASSUMES argument is a math function with ONE parameter
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
+  GLIBCPP_CHECK_MATH_DECL_1($1)
   if test x$glibcpp_cv_func_$1_use = x"yes"; then
     AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_1(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
   fi
 ])
 
+
 dnl
 dnl Like GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, but does a bunch of
 dnl of functions at once.  It's an all-or-nothing check -- either 
@@ -366,17 +383,11 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1, [
 
 dnl
 dnl Check to see if the (math function) argument passed is
-dnl 1) declared when using the c++ compiler
-dnl 2) has "C" linkage
-dnl
-dnl Define HAVE_CARGF etc if "cargf" is declared and links
-dnl
-dnl argument 1 is name of function to check
-dnl
-dnl ASSUMES argument is a math function with TWO parameters
+dnl declared when using the c++ compiler
+dnl ASSUMES argument is a math function with ONE parameter
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
+dnl GLIBCPP_CHECK_MATH_DECL_2
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_2, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -389,12 +400,8 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
-  if test x$glibcpp_cv_func_$1_use = x"yes"; then
-    AC_CHECK_FUNCS($1)    
-  fi
 ])
 
-
 dnl
 dnl Check to see if the (math function) argument passed is
 dnl 1) declared when using the c++ compiler
@@ -404,10 +411,29 @@ dnl Define HAVE_CARGF etc if "cargf" is declared and links
 dnl
 dnl argument 1 is name of function to check
 dnl
-dnl ASSUMES argument is a math function with THREE parameters
+dnl ASSUMES argument is a math function with TWO parameters
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
+  GLIBCPP_CHECK_MATH_DECL_2($1)
+  if test x$glibcpp_cv_func_$1_use = x"yes"; then
+    AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_2(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
+  fi
+])
+
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl declared when using the c++ compiler
+dnl ASSUMES argument is a math function with ONE parameter
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_3
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_3, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -420,8 +446,29 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
+])
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl 1) declared when using the c++ compiler
+dnl 2) has "C" linkage
+dnl
+dnl Define HAVE_CARGF etc if "cargf" is declared and links
+dnl
+dnl argument 1 is name of function to check
+dnl
+dnl ASSUMES argument is a math function with THREE parameters
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
+  GLIBCPP_CHECK_MATH_DECL_3($1)
   if test x$glibcpp_cv_func_$1_use = x"yes"; then
     AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_3(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
   fi
 ])
 
@@ -674,13 +721,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   dnl keep this sync'd with the one above. And if you add any new symbol,
   dnl please add the corresponding block in the @BOTTOM@ section of acconfig.h.
   dnl Check to see if certain C math functions exist.
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnan)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finite)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysign)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincos)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fpclass)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_qfpclass)
 
   dnl Check to see if basic C math functions have float versions.
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float trig,
@@ -691,19 +731,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float round,
                                           _float_round,
                                           _ceilf _floorf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinff)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10f)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modff)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitef)
 
   dnl Check to see if basic C math functions have long double versions.
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double trig,
@@ -714,22 +741,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double round,
                                           _long_double_round,
                                           _ceill _floorl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinfl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysignl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_atan2l)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_expl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10l)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modfl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitel)
 
   LIBS="$ac_save_LIBS"
   CXXFLAGS="$ac_save_CXXFLAGS"
diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index 867c5bc..5191170 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -327,17 +327,11 @@ AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
 
 dnl
 dnl Check to see if the (math function) argument passed is
-dnl 1) declared when using the c++ compiler
-dnl 2) has "C" linkage
-dnl
-dnl Define HAVE_CARGF etc if "cargf" is declared and links
-dnl
-dnl argument 1 is name of function to check
-dnl
+dnl declared when using the c++ compiler
 dnl ASSUMES argument is a math function with ONE parameter
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
+dnl GLIBCPP_CHECK_MATH_DECL_1
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_1, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -350,11 +344,34 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
+])
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl 1) declared when using the c++ compiler
+dnl 2) has "C" linkage
+dnl 3) if not, see if 1) and 2) for argument prepended with '_'
+dnl
+dnl Define HAVE_CARGF etc if "cargf" is declared and links
+dnl
+dnl argument 1 is name of function to check
+dnl
+dnl ASSUMES argument is a math function with ONE parameter
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
+  GLIBCPP_CHECK_MATH_DECL_1($1)
   if test x$glibcpp_cv_func_$1_use = x"yes"; then
     AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_1(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
   fi
 ])
 
+
 dnl
 dnl Like GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, but does a bunch of
 dnl of functions at once.  It's an all-or-nothing check -- either 
@@ -378,17 +395,11 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1, [
 
 dnl
 dnl Check to see if the (math function) argument passed is
-dnl 1) declared when using the c++ compiler
-dnl 2) has "C" linkage
-dnl
-dnl Define HAVE_CARGF etc if "cargf" is declared and links
-dnl
-dnl argument 1 is name of function to check
-dnl
-dnl ASSUMES argument is a math function with TWO parameters
+dnl declared when using the c++ compiler
+dnl ASSUMES argument is a math function with ONE parameter
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
+dnl GLIBCPP_CHECK_MATH_DECL_2
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_2, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -401,12 +412,8 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
-  if test x$glibcpp_cv_func_$1_use = x"yes"; then
-    AC_CHECK_FUNCS($1)    
-  fi
 ])
 
-
 dnl
 dnl Check to see if the (math function) argument passed is
 dnl 1) declared when using the c++ compiler
@@ -416,10 +423,29 @@ dnl Define HAVE_CARGF etc if "cargf" is declared and links
 dnl
 dnl argument 1 is name of function to check
 dnl
-dnl ASSUMES argument is a math function with THREE parameters
+dnl ASSUMES argument is a math function with TWO parameters
 dnl
-dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
-AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
+  GLIBCPP_CHECK_MATH_DECL_2($1)
+  if test x$glibcpp_cv_func_$1_use = x"yes"; then
+    AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_2(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
+  fi
+])
+
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl declared when using the c++ compiler
+dnl ASSUMES argument is a math function with ONE parameter
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_3
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_3, [
   AC_MSG_CHECKING([for $1 declaration])
   if test x${glibcpp_cv_func_$1_use+set} != xset; then
     AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
@@ -432,8 +458,29 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
     ])
   fi
   AC_MSG_RESULT($glibcpp_cv_func_$1_use)
+])
+
+dnl
+dnl Check to see if the (math function) argument passed is
+dnl 1) declared when using the c++ compiler
+dnl 2) has "C" linkage
+dnl
+dnl Define HAVE_CARGF etc if "cargf" is declared and links
+dnl
+dnl argument 1 is name of function to check
+dnl
+dnl ASSUMES argument is a math function with THREE parameters
+dnl
+dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
+AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
+  GLIBCPP_CHECK_MATH_DECL_3($1)
   if test x$glibcpp_cv_func_$1_use = x"yes"; then
     AC_CHECK_FUNCS($1)    
+  else
+    GLIBCPP_CHECK_MATH_DECL_3(_$1)
+    if test x$glibcpp_cv_func__$1_use = x"yes"; then
+      AC_CHECK_FUNCS(_$1)    
+    fi	
   fi
 ])
 
@@ -686,13 +733,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   dnl keep this sync'd with the one above. And if you add any new symbol,
   dnl please add the corresponding block in the @BOTTOM@ section of acconfig.h.
   dnl Check to see if certain C math functions exist.
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnan)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finite)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysign)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincos)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fpclass)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_qfpclass)
 
   dnl Check to see if basic C math functions have float versions.
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float trig,
@@ -703,19 +743,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float round,
                                           _float_round,
                                           _ceilf _floorf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinff)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10f)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modff)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosf)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitef)
 
   dnl Check to see if basic C math functions have long double versions.
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double trig,
@@ -726,22 +753,6 @@ AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
   GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double round,
                                           _long_double_round,
                                           _ceill _floorl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinfl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysignl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_atan2l)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_expl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10l)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modfl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosl)
-  GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitel)
 
   LIBS="$ac_save_LIBS"
   CXXFLAGS="$ac_save_CXXFLAGS"
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 8c5c5d9..27deeb2 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -5961,8 +5961,9 @@ fi
   LIBS="$LIBS $libm"
 
     
+  
   echo $ac_n "checking for isinf declaration""... $ac_c" 1>&6
-echo "configure:5966: checking for isinf declaration" >&5
+echo "configure:5967: checking for isinf declaration" >&5
   if test x${glibcpp_cv_func_isinf_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -5977,14 +5978,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 5981 "configure"
+#line 5982 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
  isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:5988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:5989: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_isinf_use=yes
 else
@@ -6006,16 +6007,17 @@ fi
 
   fi
   echo "$ac_t""$glibcpp_cv_func_isinf_use" 1>&6
+
   if test x$glibcpp_cv_func_isinf_use = x"yes"; then
     for ac_func in isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6014: checking for $ac_func" >&5
+echo "configure:6016: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6019 "configure"
+#line 6021 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6038,7 +6040,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6042: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6044: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6062,13 +6064,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for isnan declaration""... $ac_c" 1>&6
-echo "configure:6070: checking for isnan declaration" >&5
-  if test x${glibcpp_cv_func_isnan_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_isnan_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _isinf declaration""... $ac_c" 1>&6
+echo "configure:6071: checking for _isinf declaration" >&5
+  if test x${glibcpp_cv_func__isinf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isinf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6081,21 +6082,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6085 "configure"
+#line 6086 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- isnan(0);
+ _isinf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6092: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6093: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_isnan_use=yes
+  glibcpp_cv_func__isinf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_isnan_use=no
+  glibcpp_cv_func__isinf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6109,17 +6110,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_isnan_use" 1>&6
-  if test x$glibcpp_cv_func_isnan_use = x"yes"; then
-    for ac_func in isnan
+  echo "$ac_t""$glibcpp_cv_func__isinf_use" 1>&6
+
+    if test x$glibcpp_cv_func__isinf_use = x"yes"; then
+      for ac_func in _isinf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6118: checking for $ac_func" >&5
+echo "configure:6120: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6123 "configure"
+#line 6125 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6142,7 +6144,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6146: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6148: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6166,13 +6168,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for finite declaration""... $ac_c" 1>&6
-echo "configure:6174: checking for finite declaration" >&5
-  if test x${glibcpp_cv_func_finite_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_finite_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for isnan declaration""... $ac_c" 1>&6
+echo "configure:6178: checking for isnan declaration" >&5
+  if test x${glibcpp_cv_func_isnan_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6185,21 +6189,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6189 "configure"
+#line 6193 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- finite(0);
+ isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6196: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6200: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_finite_use=yes
+  glibcpp_cv_func_isnan_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_finite_use=no
+  glibcpp_cv_func_isnan_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6213,17 +6217,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_finite_use" 1>&6
-  if test x$glibcpp_cv_func_finite_use = x"yes"; then
-    for ac_func in finite
+  echo "$ac_t""$glibcpp_cv_func_isnan_use" 1>&6
+
+  if test x$glibcpp_cv_func_isnan_use = x"yes"; then
+    for ac_func in isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6222: checking for $ac_func" >&5
+echo "configure:6227: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6227 "configure"
+#line 6232 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6246,7 +6251,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6250: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6270,13 +6275,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for copysign declaration""... $ac_c" 1>&6
-echo "configure:6278: checking for copysign declaration" >&5
-  if test x${glibcpp_cv_func_copysign_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_copysign_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _isnan declaration""... $ac_c" 1>&6
+echo "configure:6282: checking for _isnan declaration" >&5
+  if test x${glibcpp_cv_func__isnan_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isnan_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6289,21 +6293,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6293 "configure"
+#line 6297 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- copysign(0, 0);
+ _isnan(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6300: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6304: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_copysign_use=yes
+  glibcpp_cv_func__isnan_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_copysign_use=no
+  glibcpp_cv_func__isnan_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6317,17 +6321,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_copysign_use" 1>&6
-  if test x$glibcpp_cv_func_copysign_use = x"yes"; then
-    for ac_func in copysign
+  echo "$ac_t""$glibcpp_cv_func__isnan_use" 1>&6
+
+    if test x$glibcpp_cv_func__isnan_use = x"yes"; then
+      for ac_func in _isnan
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6326: checking for $ac_func" >&5
+echo "configure:6331: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6331 "configure"
+#line 6336 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6350,7 +6355,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6354: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6359: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6374,13 +6379,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for sincos declaration""... $ac_c" 1>&6
-echo "configure:6382: checking for sincos declaration" >&5
-  if test x${glibcpp_cv_func_sincos_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_sincos_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for finite declaration""... $ac_c" 1>&6
+echo "configure:6389: checking for finite declaration" >&5
+  if test x${glibcpp_cv_func_finite_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6393,21 +6400,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6397 "configure"
+#line 6404 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- sincos(0, 0, 0);
+ finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6404: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6411: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_sincos_use=yes
+  glibcpp_cv_func_finite_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_sincos_use=no
+  glibcpp_cv_func_finite_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6421,17 +6428,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_sincos_use" 1>&6
-  if test x$glibcpp_cv_func_sincos_use = x"yes"; then
-    for ac_func in sincos
+  echo "$ac_t""$glibcpp_cv_func_finite_use" 1>&6
+
+  if test x$glibcpp_cv_func_finite_use = x"yes"; then
+    for ac_func in finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6430: checking for $ac_func" >&5
+echo "configure:6438: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6435 "configure"
+#line 6443 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6454,7 +6462,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6458: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6466: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6478,13 +6486,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for fpclass declaration""... $ac_c" 1>&6
-echo "configure:6486: checking for fpclass declaration" >&5
-  if test x${glibcpp_cv_func_fpclass_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_fpclass_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _finite declaration""... $ac_c" 1>&6
+echo "configure:6493: checking for _finite declaration" >&5
+  if test x${glibcpp_cv_func__finite_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__finite_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6497,21 +6504,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6501 "configure"
+#line 6508 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- fpclass(0);
+ _finite(0);
 ; return 0; }
 EOF
-if { (eval echo configure:6508: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6515: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_fpclass_use=yes
+  glibcpp_cv_func__finite_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_fpclass_use=no
+  glibcpp_cv_func__finite_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6525,17 +6532,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_fpclass_use" 1>&6
-  if test x$glibcpp_cv_func_fpclass_use = x"yes"; then
-    for ac_func in fpclass
+  echo "$ac_t""$glibcpp_cv_func__finite_use" 1>&6
+
+    if test x$glibcpp_cv_func__finite_use = x"yes"; then
+      for ac_func in _finite
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6534: checking for $ac_func" >&5
+echo "configure:6542: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6539 "configure"
+#line 6547 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6558,7 +6566,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6562: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6570: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6582,13 +6590,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for qfpclass declaration""... $ac_c" 1>&6
-echo "configure:6590: checking for qfpclass declaration" >&5
-  if test x${glibcpp_cv_func_qfpclass_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_qfpclass_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for copysign declaration""... $ac_c" 1>&6
+echo "configure:6600: checking for copysign declaration" >&5
+  if test x${glibcpp_cv_func_copysign_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6601,21 +6611,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6605 "configure"
+#line 6615 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- qfpclass(0);
+ copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6612: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6622: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_qfpclass_use=yes
+  glibcpp_cv_func_copysign_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_qfpclass_use=no
+  glibcpp_cv_func_copysign_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6629,17 +6639,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_qfpclass_use" 1>&6
-  if test x$glibcpp_cv_func_qfpclass_use = x"yes"; then
-    for ac_func in qfpclass
+  echo "$ac_t""$glibcpp_cv_func_copysign_use" 1>&6
+
+  if test x$glibcpp_cv_func_copysign_use = x"yes"; then
+    for ac_func in copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6638: checking for $ac_func" >&5
+echo "configure:6649: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6643 "configure"
+#line 6654 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6662,7 +6673,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6666: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6677: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6686,66 +6697,64 @@ else
 fi
 done
     
-  fi
-
-
+  else
     
-  echo $ac_n "checking for float trig functions""... $ac_c" 1>&6
-echo "configure:6695: checking for float trig functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func_float_trig_use'+set}'`\" = set"; then
+  echo $ac_n "checking for _copysign declaration""... $ac_c" 1>&6
+echo "configure:6704: checking for _copysign declaration" >&5
+  if test x${glibcpp_cv_func__copysign_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__copysign_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 6709 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 6719 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in acosf asinf atanf \
-                                          cosf sinf tanf \
-                                          coshf sinhf tanhf; do echo "$x (0);"; done` 
+ _copysign(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6718: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6726: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_float_trig_use=yes
+  glibcpp_cv_func__copysign_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_float_trig_use=no
+  glibcpp_cv_func__copysign_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func_float_trig_use" 1>&6
-  if test x$glibcpp_cv_func_float_trig_use = x"yes"; then
-    for ac_func in acosf asinf atanf \
-                                          cosf sinf tanf \
-                                          coshf sinhf tanhf
+  fi
+  echo "$ac_t""$glibcpp_cv_func__copysign_use" 1>&6
+
+    if test x$glibcpp_cv_func__copysign_use = x"yes"; then
+      for ac_func in _copysign
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6744: checking for $ac_func" >&5
+echo "configure:6753: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6749 "configure"
+#line 6758 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6768,7 +6777,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6772: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6781: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6791,62 +6800,68 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
+    
+    fi	
   fi
 
   
-  echo $ac_n "checking for float round functions""... $ac_c" 1>&6
-echo "configure:6800: checking for float round functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func_float_round_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for sincos declaration""... $ac_c" 1>&6
+echo "configure:6811: checking for sincos declaration" >&5
+  if test x${glibcpp_cv_func_sincos_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 6814 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 6826 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in ceilf floorf; do echo "$x (0);"; done` 
+ sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6821: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6833: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_float_round_use=yes
+  glibcpp_cv_func_sincos_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_float_round_use=no
+  glibcpp_cv_func_sincos_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func_float_round_use" 1>&6
-  if test x$glibcpp_cv_func_float_round_use = x"yes"; then
-    for ac_func in ceilf floorf
+  fi
+  echo "$ac_t""$glibcpp_cv_func_sincos_use" 1>&6
+
+  if test x$glibcpp_cv_func_sincos_use = x"yes"; then
+    for ac_func in sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6845: checking for $ac_func" >&5
+echo "configure:6860: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6850 "configure"
+#line 6865 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6869,7 +6884,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6892,14 +6907,13 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
-  fi
-
-  
-  echo $ac_n "checking for isnanf declaration""... $ac_c" 1>&6
-echo "configure:6901: checking for isnanf declaration" >&5
-  if test x${glibcpp_cv_func_isnanf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_isnanf_use'+set}'`\" = set"; then
+    
+  else
+    
+  echo $ac_n "checking for _sincos declaration""... $ac_c" 1>&6
+echo "configure:6915: checking for _sincos declaration" >&5
+  if test x${glibcpp_cv_func__sincos_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__sincos_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -6912,21 +6926,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 6916 "configure"
+#line 6930 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- isnanf(0);
+ _sincos(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:6923: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:6937: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_isnanf_use=yes
+  glibcpp_cv_func__sincos_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_isnanf_use=no
+  glibcpp_cv_func__sincos_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -6940,17 +6954,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_isnanf_use" 1>&6
-  if test x$glibcpp_cv_func_isnanf_use = x"yes"; then
-    for ac_func in isnanf
+  echo "$ac_t""$glibcpp_cv_func__sincos_use" 1>&6
+
+    if test x$glibcpp_cv_func__sincos_use = x"yes"; then
+      for ac_func in _sincos
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:6949: checking for $ac_func" >&5
+echo "configure:6964: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 6954 "configure"
+#line 6969 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -6973,7 +6988,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:6977: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:6992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -6997,13 +7012,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for isinff declaration""... $ac_c" 1>&6
-echo "configure:7005: checking for isinff declaration" >&5
-  if test x${glibcpp_cv_func_isinff_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_isinff_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for fpclass declaration""... $ac_c" 1>&6
+echo "configure:7022: checking for fpclass declaration" >&5
+  if test x${glibcpp_cv_func_fpclass_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7016,21 +7033,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7020 "configure"
+#line 7037 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- isinff(0);
+ fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7027: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7044: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_isinff_use=yes
+  glibcpp_cv_func_fpclass_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_isinff_use=no
+  glibcpp_cv_func_fpclass_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7044,17 +7061,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_isinff_use" 1>&6
-  if test x$glibcpp_cv_func_isinff_use = x"yes"; then
-    for ac_func in isinff
+  echo "$ac_t""$glibcpp_cv_func_fpclass_use" 1>&6
+
+  if test x$glibcpp_cv_func_fpclass_use = x"yes"; then
+    for ac_func in fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7053: checking for $ac_func" >&5
+echo "configure:7071: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7058 "configure"
+#line 7076 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7077,7 +7095,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7081: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7099: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7101,13 +7119,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for fabsf declaration""... $ac_c" 1>&6
-echo "configure:7109: checking for fabsf declaration" >&5
-  if test x${glibcpp_cv_func_fabsf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_fabsf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _fpclass declaration""... $ac_c" 1>&6
+echo "configure:7126: checking for _fpclass declaration" >&5
+  if test x${glibcpp_cv_func__fpclass_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__fpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7120,21 +7137,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7124 "configure"
+#line 7141 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- fabsf(0);
+ _fpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7131: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7148: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_fabsf_use=yes
+  glibcpp_cv_func__fpclass_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_fabsf_use=no
+  glibcpp_cv_func__fpclass_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7148,17 +7165,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_fabsf_use" 1>&6
-  if test x$glibcpp_cv_func_fabsf_use = x"yes"; then
-    for ac_func in fabsf
+  echo "$ac_t""$glibcpp_cv_func__fpclass_use" 1>&6
+
+    if test x$glibcpp_cv_func__fpclass_use = x"yes"; then
+      for ac_func in _fpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7157: checking for $ac_func" >&5
+echo "configure:7175: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7162 "configure"
+#line 7180 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7181,7 +7199,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7185: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7203: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7205,13 +7223,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for fmodf declaration""... $ac_c" 1>&6
-echo "configure:7213: checking for fmodf declaration" >&5
-  if test x${glibcpp_cv_func_fmodf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_fmodf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for qfpclass declaration""... $ac_c" 1>&6
+echo "configure:7233: checking for qfpclass declaration" >&5
+  if test x${glibcpp_cv_func_qfpclass_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7224,21 +7244,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7228 "configure"
+#line 7248 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- fmodf(0, 0);
+ qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7235: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7255: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_fmodf_use=yes
+  glibcpp_cv_func_qfpclass_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_fmodf_use=no
+  glibcpp_cv_func_qfpclass_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7252,17 +7272,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_fmodf_use" 1>&6
-  if test x$glibcpp_cv_func_fmodf_use = x"yes"; then
-    for ac_func in fmodf
+  echo "$ac_t""$glibcpp_cv_func_qfpclass_use" 1>&6
+
+  if test x$glibcpp_cv_func_qfpclass_use = x"yes"; then
+    for ac_func in qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7261: checking for $ac_func" >&5
+echo "configure:7282: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7266 "configure"
+#line 7287 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7285,7 +7306,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7289: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7310: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7309,13 +7330,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for frexpf declaration""... $ac_c" 1>&6
-echo "configure:7317: checking for frexpf declaration" >&5
-  if test x${glibcpp_cv_func_frexpf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_frexpf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _qfpclass declaration""... $ac_c" 1>&6
+echo "configure:7337: checking for _qfpclass declaration" >&5
+  if test x${glibcpp_cv_func__qfpclass_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__qfpclass_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7328,21 +7348,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7332 "configure"
+#line 7352 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- frexpf(0, 0);
+ _qfpclass(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7339: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7359: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_frexpf_use=yes
+  glibcpp_cv_func__qfpclass_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_frexpf_use=no
+  glibcpp_cv_func__qfpclass_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7356,17 +7376,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_frexpf_use" 1>&6
-  if test x$glibcpp_cv_func_frexpf_use = x"yes"; then
-    for ac_func in frexpf
+  echo "$ac_t""$glibcpp_cv_func__qfpclass_use" 1>&6
+
+    if test x$glibcpp_cv_func__qfpclass_use = x"yes"; then
+      for ac_func in _qfpclass
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7365: checking for $ac_func" >&5
+echo "configure:7386: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7370 "configure"
+#line 7391 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7389,7 +7410,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7393: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7414: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7413,64 +7434,67 @@ else
 fi
 done
     
+    fi	
   fi
 
-  
-  echo $ac_n "checking for ldexpf declaration""... $ac_c" 1>&6
-echo "configure:7421: checking for ldexpf declaration" >&5
-  if test x${glibcpp_cv_func_ldexpf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpf_use'+set}'`\" = set"; then
+
+    
+  echo $ac_n "checking for float trig functions""... $ac_c" 1>&6
+echo "configure:7444: checking for float trig functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func_float_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 7436 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 7458 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- ldexpf(0, 0);
+ `for x in acosf asinf atanf \
+                                          cosf sinf tanf \
+                                          coshf sinhf tanhf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:7443: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7467: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_ldexpf_use=yes
+  glibcpp_cv_func_float_trig_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_ldexpf_use=no
+  glibcpp_cv_func_float_trig_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func_ldexpf_use" 1>&6
-  if test x$glibcpp_cv_func_ldexpf_use = x"yes"; then
-    for ac_func in ldexpf
+  echo "$ac_t""$glibcpp_cv_func_float_trig_use" 1>&6
+  if test x$glibcpp_cv_func_float_trig_use = x"yes"; then
+    for ac_func in acosf asinf atanf \
+                                          cosf sinf tanf \
+                                          coshf sinhf tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7469: checking for $ac_func" >&5
+echo "configure:7493: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7474 "configure"
+#line 7498 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7493,7 +7517,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7497: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7521: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7516,65 +7540,62 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for logf declaration""... $ac_c" 1>&6
-echo "configure:7525: checking for logf declaration" >&5
-  if test x${glibcpp_cv_func_logf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_logf_use'+set}'`\" = set"; then
+  echo $ac_n "checking for float round functions""... $ac_c" 1>&6
+echo "configure:7549: checking for float round functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func_float_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 7540 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 7563 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- logf(0);
+ `for x in ceilf floorf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:7547: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7570: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_logf_use=yes
+  glibcpp_cv_func_float_round_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_logf_use=no
+  glibcpp_cv_func_float_round_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func_logf_use" 1>&6
-  if test x$glibcpp_cv_func_logf_use = x"yes"; then
-    for ac_func in logf
+  echo "$ac_t""$glibcpp_cv_func_float_round_use" 1>&6
+  if test x$glibcpp_cv_func_float_round_use = x"yes"; then
+    for ac_func in ceilf floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7573: checking for $ac_func" >&5
+echo "configure:7594: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7578 "configure"
+#line 7599 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7597,7 +7618,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7601: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7620,14 +7641,15 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for log10f declaration""... $ac_c" 1>&6
-echo "configure:7629: checking for log10f declaration" >&5
-  if test x${glibcpp_cv_func_log10f_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_log10f_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for isnanf declaration""... $ac_c" 1>&6
+echo "configure:7651: checking for isnanf declaration" >&5
+  if test x${glibcpp_cv_func_isnanf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7640,21 +7662,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7644 "configure"
+#line 7666 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- log10f(0);
+ isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7651: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7673: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_log10f_use=yes
+  glibcpp_cv_func_isnanf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_log10f_use=no
+  glibcpp_cv_func_isnanf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7668,17 +7690,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_log10f_use" 1>&6
-  if test x$glibcpp_cv_func_log10f_use = x"yes"; then
-    for ac_func in log10f
+  echo "$ac_t""$glibcpp_cv_func_isnanf_use" 1>&6
+
+  if test x$glibcpp_cv_func_isnanf_use = x"yes"; then
+    for ac_func in isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7677: checking for $ac_func" >&5
+echo "configure:7700: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7682 "configure"
+#line 7705 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7701,7 +7724,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7705: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7728: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7725,13 +7748,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for modff declaration""... $ac_c" 1>&6
-echo "configure:7733: checking for modff declaration" >&5
-  if test x${glibcpp_cv_func_modff_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_modff_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _isnanf declaration""... $ac_c" 1>&6
+echo "configure:7755: checking for _isnanf declaration" >&5
+  if test x${glibcpp_cv_func__isnanf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isnanf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7744,21 +7766,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7748 "configure"
+#line 7770 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- modff(0, 0);
+ _isnanf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7755: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_modff_use=yes
+  glibcpp_cv_func__isnanf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_modff_use=no
+  glibcpp_cv_func__isnanf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7772,17 +7794,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_modff_use" 1>&6
-  if test x$glibcpp_cv_func_modff_use = x"yes"; then
-    for ac_func in modff
+  echo "$ac_t""$glibcpp_cv_func__isnanf_use" 1>&6
+
+    if test x$glibcpp_cv_func__isnanf_use = x"yes"; then
+      for ac_func in _isnanf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7781: checking for $ac_func" >&5
+echo "configure:7804: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7786 "configure"
+#line 7809 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7805,7 +7828,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7809: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7832: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7829,13 +7852,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for powf declaration""... $ac_c" 1>&6
-echo "configure:7837: checking for powf declaration" >&5
-  if test x${glibcpp_cv_func_powf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_powf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for isinff declaration""... $ac_c" 1>&6
+echo "configure:7862: checking for isinff declaration" >&5
+  if test x${glibcpp_cv_func_isinff_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7848,21 +7873,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7852 "configure"
+#line 7877 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- powf(0, 0);
+ isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7859: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7884: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_powf_use=yes
+  glibcpp_cv_func_isinff_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_powf_use=no
+  glibcpp_cv_func_isinff_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7876,17 +7901,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_powf_use" 1>&6
-  if test x$glibcpp_cv_func_powf_use = x"yes"; then
-    for ac_func in powf
+  echo "$ac_t""$glibcpp_cv_func_isinff_use" 1>&6
+
+  if test x$glibcpp_cv_func_isinff_use = x"yes"; then
+    for ac_func in isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7885: checking for $ac_func" >&5
+echo "configure:7911: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7890 "configure"
+#line 7916 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -7909,7 +7935,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:7913: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:7939: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -7933,13 +7959,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for sqrtf declaration""... $ac_c" 1>&6
-echo "configure:7941: checking for sqrtf declaration" >&5
-  if test x${glibcpp_cv_func_sqrtf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _isinff declaration""... $ac_c" 1>&6
+echo "configure:7966: checking for _isinff declaration" >&5
+  if test x${glibcpp_cv_func__isinff_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isinff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -7952,21 +7977,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 7956 "configure"
+#line 7981 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- sqrtf(0);
+ _isinff(0);
 ; return 0; }
 EOF
-if { (eval echo configure:7963: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:7988: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_sqrtf_use=yes
+  glibcpp_cv_func__isinff_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_sqrtf_use=no
+  glibcpp_cv_func__isinff_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -7980,17 +8005,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_sqrtf_use" 1>&6
-  if test x$glibcpp_cv_func_sqrtf_use = x"yes"; then
-    for ac_func in sqrtf
+  echo "$ac_t""$glibcpp_cv_func__isinff_use" 1>&6
+
+    if test x$glibcpp_cv_func__isinff_use = x"yes"; then
+      for ac_func in _isinff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:7989: checking for $ac_func" >&5
+echo "configure:8015: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 7994 "configure"
+#line 8020 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8013,7 +8039,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8017: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8037,13 +8063,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for sincosf declaration""... $ac_c" 1>&6
-echo "configure:8045: checking for sincosf declaration" >&5
-  if test x${glibcpp_cv_func_sincosf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_sincosf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for fabsf declaration""... $ac_c" 1>&6
+echo "configure:8073: checking for fabsf declaration" >&5
+  if test x${glibcpp_cv_func_fabsf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8056,21 +8084,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8060 "configure"
+#line 8088 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- sincosf(0, 0, 0);
+ fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8067: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8095: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_sincosf_use=yes
+  glibcpp_cv_func_fabsf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_sincosf_use=no
+  glibcpp_cv_func_fabsf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8084,17 +8112,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_sincosf_use" 1>&6
-  if test x$glibcpp_cv_func_sincosf_use = x"yes"; then
-    for ac_func in sincosf
+  echo "$ac_t""$glibcpp_cv_func_fabsf_use" 1>&6
+
+  if test x$glibcpp_cv_func_fabsf_use = x"yes"; then
+    for ac_func in fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8093: checking for $ac_func" >&5
+echo "configure:8122: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8098 "configure"
+#line 8127 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8117,7 +8146,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8121: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8150: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8141,13 +8170,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for finitef declaration""... $ac_c" 1>&6
-echo "configure:8149: checking for finitef declaration" >&5
-  if test x${glibcpp_cv_func_finitef_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_finitef_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _fabsf declaration""... $ac_c" 1>&6
+echo "configure:8177: checking for _fabsf declaration" >&5
+  if test x${glibcpp_cv_func__fabsf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__fabsf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8160,21 +8188,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8164 "configure"
+#line 8192 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- finitef(0);
+ _fabsf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8171: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8199: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_finitef_use=yes
+  glibcpp_cv_func__fabsf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_finitef_use=no
+  glibcpp_cv_func__fabsf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8188,17 +8216,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_finitef_use" 1>&6
-  if test x$glibcpp_cv_func_finitef_use = x"yes"; then
-    for ac_func in finitef
+  echo "$ac_t""$glibcpp_cv_func__fabsf_use" 1>&6
+
+    if test x$glibcpp_cv_func__fabsf_use = x"yes"; then
+      for ac_func in _fabsf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8197: checking for $ac_func" >&5
+echo "configure:8226: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8202 "configure"
+#line 8231 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8221,7 +8250,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8225: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8254: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8245,66 +8274,67 @@ else
 fi
 done
     
+    fi	
   fi
 
-
-    
-  echo $ac_n "checking for long double trig functions""... $ac_c" 1>&6
-echo "configure:8254: checking for long double trig functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_trig_use'+set}'`\" = set"; then
+  
+  
+  echo $ac_n "checking for fmodf declaration""... $ac_c" 1>&6
+echo "configure:8284: checking for fmodf declaration" >&5
+  if test x${glibcpp_cv_func_fmodf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 8268 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 8299 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in acosl asinl atanl \
-                                          cosl sinl tanl \
-                                          coshl sinhl tanhl; do echo "$x (0);"; done` 
+ fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8277: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8306: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_long_double_trig_use=yes
+  glibcpp_cv_func_fmodf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_long_double_trig_use=no
+  glibcpp_cv_func_fmodf_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func_long_double_trig_use" 1>&6
-  if test x$glibcpp_cv_func_long_double_trig_use = x"yes"; then
-    for ac_func in acosl asinl atanl \
-                                          cosl sinl tanl \
-                                          coshl sinhl tanhl
+  fi
+  echo "$ac_t""$glibcpp_cv_func_fmodf_use" 1>&6
+
+  if test x$glibcpp_cv_func_fmodf_use = x"yes"; then
+    for ac_func in fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8303: checking for $ac_func" >&5
+echo "configure:8333: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8308 "configure"
+#line 8338 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8327,7 +8357,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8331: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8361: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8350,62 +8380,65 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
-  fi
-
-  
-  echo $ac_n "checking for long double round functions""... $ac_c" 1>&6
-echo "configure:8359: checking for long double round functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_round_use'+set}'`\" = set"; then
+    
+  else
+    
+  echo $ac_n "checking for _fmodf declaration""... $ac_c" 1>&6
+echo "configure:8388: checking for _fmodf declaration" >&5
+  if test x${glibcpp_cv_func__fmodf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__fmodf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 8373 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 8403 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in ceill floorl; do echo "$x (0);"; done` 
+ _fmodf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8380: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8410: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_long_double_round_use=yes
+  glibcpp_cv_func__fmodf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_long_double_round_use=no
+  glibcpp_cv_func__fmodf_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func_long_double_round_use" 1>&6
-  if test x$glibcpp_cv_func_long_double_round_use = x"yes"; then
-    for ac_func in ceill floorl
+  fi
+  echo "$ac_t""$glibcpp_cv_func__fmodf_use" 1>&6
+
+    if test x$glibcpp_cv_func__fmodf_use = x"yes"; then
+      for ac_func in _fmodf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8404: checking for $ac_func" >&5
+echo "configure:8437: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8409 "configure"
+#line 8442 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8428,7 +8461,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8432: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8465: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8451,14 +8484,16 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
+    
+    fi	
   fi
 
   
-  echo $ac_n "checking for isnanl declaration""... $ac_c" 1>&6
-echo "configure:8460: checking for isnanl declaration" >&5
-  if test x${glibcpp_cv_func_isnanl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_isnanl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for frexpf declaration""... $ac_c" 1>&6
+echo "configure:8495: checking for frexpf declaration" >&5
+  if test x${glibcpp_cv_func_frexpf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8471,21 +8506,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8475 "configure"
+#line 8510 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- isnanl(0);
+ frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8482: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8517: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_isnanl_use=yes
+  glibcpp_cv_func_frexpf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_isnanl_use=no
+  glibcpp_cv_func_frexpf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8499,17 +8534,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_isnanl_use" 1>&6
-  if test x$glibcpp_cv_func_isnanl_use = x"yes"; then
-    for ac_func in isnanl
+  echo "$ac_t""$glibcpp_cv_func_frexpf_use" 1>&6
+
+  if test x$glibcpp_cv_func_frexpf_use = x"yes"; then
+    for ac_func in frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8508: checking for $ac_func" >&5
+echo "configure:8544: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8513 "configure"
+#line 8549 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8532,7 +8568,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8536: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8556,13 +8592,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for isinfl declaration""... $ac_c" 1>&6
-echo "configure:8564: checking for isinfl declaration" >&5
-  if test x${glibcpp_cv_func_isinfl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_isinfl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _frexpf declaration""... $ac_c" 1>&6
+echo "configure:8599: checking for _frexpf declaration" >&5
+  if test x${glibcpp_cv_func__frexpf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__frexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8575,21 +8610,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8579 "configure"
+#line 8614 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- isinfl(0);
+ _frexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8586: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8621: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_isinfl_use=yes
+  glibcpp_cv_func__frexpf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_isinfl_use=no
+  glibcpp_cv_func__frexpf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8603,17 +8638,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_isinfl_use" 1>&6
-  if test x$glibcpp_cv_func_isinfl_use = x"yes"; then
-    for ac_func in isinfl
+  echo "$ac_t""$glibcpp_cv_func__frexpf_use" 1>&6
+
+    if test x$glibcpp_cv_func__frexpf_use = x"yes"; then
+      for ac_func in _frexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8612: checking for $ac_func" >&5
+echo "configure:8648: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8617 "configure"
+#line 8653 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8636,7 +8672,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8640: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8676: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8660,13 +8696,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for copysignl declaration""... $ac_c" 1>&6
-echo "configure:8668: checking for copysignl declaration" >&5
-  if test x${glibcpp_cv_func_copysignl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_copysignl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for ldexpf declaration""... $ac_c" 1>&6
+echo "configure:8706: checking for ldexpf declaration" >&5
+  if test x${glibcpp_cv_func_ldexpf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8679,21 +8717,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8683 "configure"
+#line 8721 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- copysignl(0, 0);
+ ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8690: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8728: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_copysignl_use=yes
+  glibcpp_cv_func_ldexpf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_copysignl_use=no
+  glibcpp_cv_func_ldexpf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8707,17 +8745,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_copysignl_use" 1>&6
-  if test x$glibcpp_cv_func_copysignl_use = x"yes"; then
-    for ac_func in copysignl
+  echo "$ac_t""$glibcpp_cv_func_ldexpf_use" 1>&6
+
+  if test x$glibcpp_cv_func_ldexpf_use = x"yes"; then
+    for ac_func in ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8716: checking for $ac_func" >&5
+echo "configure:8755: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8721 "configure"
+#line 8760 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8740,7 +8779,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8744: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8783: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8764,13 +8803,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for atan2l declaration""... $ac_c" 1>&6
-echo "configure:8772: checking for atan2l declaration" >&5
-  if test x${glibcpp_cv_func_atan2l_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_atan2l_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _ldexpf declaration""... $ac_c" 1>&6
+echo "configure:8810: checking for _ldexpf declaration" >&5
+  if test x${glibcpp_cv_func__ldexpf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8783,21 +8821,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8787 "configure"
+#line 8825 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- atan2l(0, 0);
+ _ldexpf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:8794: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8832: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_atan2l_use=yes
+  glibcpp_cv_func__ldexpf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_atan2l_use=no
+  glibcpp_cv_func__ldexpf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8811,17 +8849,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_atan2l_use" 1>&6
-  if test x$glibcpp_cv_func_atan2l_use = x"yes"; then
-    for ac_func in atan2l
+  echo "$ac_t""$glibcpp_cv_func__ldexpf_use" 1>&6
+
+    if test x$glibcpp_cv_func__ldexpf_use = x"yes"; then
+      for ac_func in _ldexpf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8820: checking for $ac_func" >&5
+echo "configure:8859: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8825 "configure"
+#line 8864 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8844,7 +8883,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8848: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8887: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8868,13 +8907,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for expl declaration""... $ac_c" 1>&6
-echo "configure:8876: checking for expl declaration" >&5
-  if test x${glibcpp_cv_func_expl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_expl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for logf declaration""... $ac_c" 1>&6
+echo "configure:8917: checking for logf declaration" >&5
+  if test x${glibcpp_cv_func_logf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8887,21 +8928,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8891 "configure"
+#line 8932 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- expl(0);
+ logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:8898: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:8939: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_expl_use=yes
+  glibcpp_cv_func_logf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_expl_use=no
+  glibcpp_cv_func_logf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -8915,17 +8956,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_expl_use" 1>&6
-  if test x$glibcpp_cv_func_expl_use = x"yes"; then
-    for ac_func in expl
+  echo "$ac_t""$glibcpp_cv_func_logf_use" 1>&6
+
+  if test x$glibcpp_cv_func_logf_use = x"yes"; then
+    for ac_func in logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:8924: checking for $ac_func" >&5
+echo "configure:8966: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 8929 "configure"
+#line 8971 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -8948,7 +8990,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:8952: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:8994: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -8972,13 +9014,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for fabsl declaration""... $ac_c" 1>&6
-echo "configure:8980: checking for fabsl declaration" >&5
-  if test x${glibcpp_cv_func_fabsl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_fabsl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _logf declaration""... $ac_c" 1>&6
+echo "configure:9021: checking for _logf declaration" >&5
+  if test x${glibcpp_cv_func__logf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__logf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -8991,21 +9032,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 8995 "configure"
+#line 9036 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- fabsl(0);
+ _logf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9002: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9043: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_fabsl_use=yes
+  glibcpp_cv_func__logf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_fabsl_use=no
+  glibcpp_cv_func__logf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9019,17 +9060,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_fabsl_use" 1>&6
-  if test x$glibcpp_cv_func_fabsl_use = x"yes"; then
-    for ac_func in fabsl
+  echo "$ac_t""$glibcpp_cv_func__logf_use" 1>&6
+
+    if test x$glibcpp_cv_func__logf_use = x"yes"; then
+      for ac_func in _logf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9028: checking for $ac_func" >&5
+echo "configure:9070: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9033 "configure"
+#line 9075 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9052,7 +9094,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9056: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9098: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9076,13 +9118,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for fmodl declaration""... $ac_c" 1>&6
-echo "configure:9084: checking for fmodl declaration" >&5
-  if test x${glibcpp_cv_func_fmodl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_fmodl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for log10f declaration""... $ac_c" 1>&6
+echo "configure:9128: checking for log10f declaration" >&5
+  if test x${glibcpp_cv_func_log10f_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9095,21 +9139,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9099 "configure"
+#line 9143 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- fmodl(0, 0);
+ log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9106: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9150: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_fmodl_use=yes
+  glibcpp_cv_func_log10f_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_fmodl_use=no
+  glibcpp_cv_func_log10f_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9123,17 +9167,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_fmodl_use" 1>&6
-  if test x$glibcpp_cv_func_fmodl_use = x"yes"; then
-    for ac_func in fmodl
+  echo "$ac_t""$glibcpp_cv_func_log10f_use" 1>&6
+
+  if test x$glibcpp_cv_func_log10f_use = x"yes"; then
+    for ac_func in log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9132: checking for $ac_func" >&5
+echo "configure:9177: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9137 "configure"
+#line 9182 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9156,7 +9201,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9160: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9205: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9180,13 +9225,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for frexpl declaration""... $ac_c" 1>&6
-echo "configure:9188: checking for frexpl declaration" >&5
-  if test x${glibcpp_cv_func_frexpl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_frexpl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _log10f declaration""... $ac_c" 1>&6
+echo "configure:9232: checking for _log10f declaration" >&5
+  if test x${glibcpp_cv_func__log10f_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__log10f_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9199,21 +9243,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9203 "configure"
+#line 9247 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- frexpl(0, 0);
+ _log10f(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9210: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9254: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_frexpl_use=yes
+  glibcpp_cv_func__log10f_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_frexpl_use=no
+  glibcpp_cv_func__log10f_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9227,17 +9271,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_frexpl_use" 1>&6
-  if test x$glibcpp_cv_func_frexpl_use = x"yes"; then
-    for ac_func in frexpl
+  echo "$ac_t""$glibcpp_cv_func__log10f_use" 1>&6
+
+    if test x$glibcpp_cv_func__log10f_use = x"yes"; then
+      for ac_func in _log10f
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9236: checking for $ac_func" >&5
+echo "configure:9281: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9241 "configure"
+#line 9286 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9260,7 +9305,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9264: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9309: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9284,13 +9329,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for ldexpl declaration""... $ac_c" 1>&6
-echo "configure:9292: checking for ldexpl declaration" >&5
-  if test x${glibcpp_cv_func_ldexpl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for modff declaration""... $ac_c" 1>&6
+echo "configure:9339: checking for modff declaration" >&5
+  if test x${glibcpp_cv_func_modff_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9303,21 +9350,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9307 "configure"
+#line 9354 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- ldexpl(0, 0);
+ modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9314: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9361: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_ldexpl_use=yes
+  glibcpp_cv_func_modff_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_ldexpl_use=no
+  glibcpp_cv_func_modff_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9331,17 +9378,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_ldexpl_use" 1>&6
-  if test x$glibcpp_cv_func_ldexpl_use = x"yes"; then
-    for ac_func in ldexpl
+  echo "$ac_t""$glibcpp_cv_func_modff_use" 1>&6
+
+  if test x$glibcpp_cv_func_modff_use = x"yes"; then
+    for ac_func in modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9340: checking for $ac_func" >&5
+echo "configure:9388: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9345 "configure"
+#line 9393 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9364,7 +9412,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9368: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9416: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9388,13 +9436,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for logl declaration""... $ac_c" 1>&6
-echo "configure:9396: checking for logl declaration" >&5
-  if test x${glibcpp_cv_func_logl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_logl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _modff declaration""... $ac_c" 1>&6
+echo "configure:9443: checking for _modff declaration" >&5
+  if test x${glibcpp_cv_func__modff_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__modff_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9407,21 +9454,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9411 "configure"
+#line 9458 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- logl(0);
+ _modff(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9418: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9465: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_logl_use=yes
+  glibcpp_cv_func__modff_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_logl_use=no
+  glibcpp_cv_func__modff_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9435,17 +9482,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_logl_use" 1>&6
-  if test x$glibcpp_cv_func_logl_use = x"yes"; then
-    for ac_func in logl
+  echo "$ac_t""$glibcpp_cv_func__modff_use" 1>&6
+
+    if test x$glibcpp_cv_func__modff_use = x"yes"; then
+      for ac_func in _modff
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9444: checking for $ac_func" >&5
+echo "configure:9492: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9449 "configure"
+#line 9497 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9468,7 +9516,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9472: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9520: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9492,13 +9540,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for log10l declaration""... $ac_c" 1>&6
-echo "configure:9500: checking for log10l declaration" >&5
-  if test x${glibcpp_cv_func_log10l_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_log10l_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for powf declaration""... $ac_c" 1>&6
+echo "configure:9550: checking for powf declaration" >&5
+  if test x${glibcpp_cv_func_powf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9511,21 +9561,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9515 "configure"
+#line 9565 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- log10l(0);
+ powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9522: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9572: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_log10l_use=yes
+  glibcpp_cv_func_powf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_log10l_use=no
+  glibcpp_cv_func_powf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9539,17 +9589,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_log10l_use" 1>&6
-  if test x$glibcpp_cv_func_log10l_use = x"yes"; then
-    for ac_func in log10l
+  echo "$ac_t""$glibcpp_cv_func_powf_use" 1>&6
+
+  if test x$glibcpp_cv_func_powf_use = x"yes"; then
+    for ac_func in powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9548: checking for $ac_func" >&5
+echo "configure:9599: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9553 "configure"
+#line 9604 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9572,7 +9623,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9576: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9627: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9596,13 +9647,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for modfl declaration""... $ac_c" 1>&6
-echo "configure:9604: checking for modfl declaration" >&5
-  if test x${glibcpp_cv_func_modfl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_modfl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _powf declaration""... $ac_c" 1>&6
+echo "configure:9654: checking for _powf declaration" >&5
+  if test x${glibcpp_cv_func__powf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__powf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9615,21 +9665,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9619 "configure"
+#line 9669 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- modfl(0, 0);
+ _powf(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_modfl_use=yes
+  glibcpp_cv_func__powf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_modfl_use=no
+  glibcpp_cv_func__powf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9643,17 +9693,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_modfl_use" 1>&6
-  if test x$glibcpp_cv_func_modfl_use = x"yes"; then
-    for ac_func in modfl
+  echo "$ac_t""$glibcpp_cv_func__powf_use" 1>&6
+
+    if test x$glibcpp_cv_func__powf_use = x"yes"; then
+      for ac_func in _powf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9652: checking for $ac_func" >&5
+echo "configure:9703: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9657 "configure"
+#line 9708 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9676,7 +9727,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9731: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9700,13 +9751,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for powl declaration""... $ac_c" 1>&6
-echo "configure:9708: checking for powl declaration" >&5
-  if test x${glibcpp_cv_func_powl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_powl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for sqrtf declaration""... $ac_c" 1>&6
+echo "configure:9761: checking for sqrtf declaration" >&5
+  if test x${glibcpp_cv_func_sqrtf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9719,21 +9772,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9723 "configure"
+#line 9776 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- powl(0, 0);
+ sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9730: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9783: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_powl_use=yes
+  glibcpp_cv_func_sqrtf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_powl_use=no
+  glibcpp_cv_func_sqrtf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9747,17 +9800,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_powl_use" 1>&6
-  if test x$glibcpp_cv_func_powl_use = x"yes"; then
-    for ac_func in powl
+  echo "$ac_t""$glibcpp_cv_func_sqrtf_use" 1>&6
+
+  if test x$glibcpp_cv_func_sqrtf_use = x"yes"; then
+    for ac_func in sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9756: checking for $ac_func" >&5
+echo "configure:9810: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9761 "configure"
+#line 9815 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9780,7 +9834,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9784: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9838: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9804,13 +9858,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for sqrtl declaration""... $ac_c" 1>&6
-echo "configure:9812: checking for sqrtl declaration" >&5
-  if test x${glibcpp_cv_func_sqrtl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _sqrtf declaration""... $ac_c" 1>&6
+echo "configure:9865: checking for _sqrtf declaration" >&5
+  if test x${glibcpp_cv_func__sqrtf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9823,21 +9876,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9827 "configure"
+#line 9880 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- sqrtl(0);
+ _sqrtf(0);
 ; return 0; }
 EOF
-if { (eval echo configure:9834: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9887: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_sqrtl_use=yes
+  glibcpp_cv_func__sqrtf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_sqrtl_use=no
+  glibcpp_cv_func__sqrtf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9851,17 +9904,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_sqrtl_use" 1>&6
-  if test x$glibcpp_cv_func_sqrtl_use = x"yes"; then
-    for ac_func in sqrtl
+  echo "$ac_t""$glibcpp_cv_func__sqrtf_use" 1>&6
+
+    if test x$glibcpp_cv_func__sqrtf_use = x"yes"; then
+      for ac_func in _sqrtf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9860: checking for $ac_func" >&5
+echo "configure:9914: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9865 "configure"
+#line 9919 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9884,7 +9938,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9888: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:9942: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -9908,13 +9962,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for sincosl declaration""... $ac_c" 1>&6
-echo "configure:9916: checking for sincosl declaration" >&5
-  if test x${glibcpp_cv_func_sincosl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_sincosl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for sincosf declaration""... $ac_c" 1>&6
+echo "configure:9972: checking for sincosf declaration" >&5
+  if test x${glibcpp_cv_func_sincosf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -9927,21 +9983,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 9931 "configure"
+#line 9987 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- sincosl(0, 0, 0);
+ sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:9938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:9994: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_sincosl_use=yes
+  glibcpp_cv_func_sincosf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_sincosl_use=no
+  glibcpp_cv_func_sincosf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -9955,17 +10011,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_sincosl_use" 1>&6
-  if test x$glibcpp_cv_func_sincosl_use = x"yes"; then
-    for ac_func in sincosl
+  echo "$ac_t""$glibcpp_cv_func_sincosf_use" 1>&6
+
+  if test x$glibcpp_cv_func_sincosf_use = x"yes"; then
+    for ac_func in sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:9964: checking for $ac_func" >&5
+echo "configure:10021: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 9969 "configure"
+#line 10026 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -9988,7 +10045,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:9992: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10049: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10012,13 +10069,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for finitel declaration""... $ac_c" 1>&6
-echo "configure:10020: checking for finitel declaration" >&5
-  if test x${glibcpp_cv_func_finitel_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func_finitel_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _sincosf declaration""... $ac_c" 1>&6
+echo "configure:10076: checking for _sincosf declaration" >&5
+  if test x${glibcpp_cv_func__sincosf_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__sincosf_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10031,21 +10087,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10035 "configure"
+#line 10091 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- finitel(0);
+ _sincosf(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10042: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10098: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func_finitel_use=yes
+  glibcpp_cv_func__sincosf_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func_finitel_use=no
+  glibcpp_cv_func__sincosf_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10059,17 +10115,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func_finitel_use" 1>&6
-  if test x$glibcpp_cv_func_finitel_use = x"yes"; then
-    for ac_func in finitel
+  echo "$ac_t""$glibcpp_cv_func__sincosf_use" 1>&6
+
+    if test x$glibcpp_cv_func__sincosf_use = x"yes"; then
+      for ac_func in _sincosf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10068: checking for $ac_func" >&5
+echo "configure:10125: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10073 "configure"
+#line 10130 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10092,7 +10149,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10096: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10153: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10116,14 +10173,15 @@ else
 fi
 done
     
+    fi	
   fi
 
-
-          
-  echo $ac_n "checking for _isinf declaration""... $ac_c" 1>&6
-echo "configure:10125: checking for _isinf declaration" >&5
-  if test x${glibcpp_cv_func__isinf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isinf_use'+set}'`\" = set"; then
+  
+  
+  echo $ac_n "checking for finitef declaration""... $ac_c" 1>&6
+echo "configure:10183: checking for finitef declaration" >&5
+  if test x${glibcpp_cv_func_finitef_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10136,21 +10194,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10140 "configure"
+#line 10198 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isinf(0);
+ finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10147: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10205: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isinf_use=yes
+  glibcpp_cv_func_finitef_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isinf_use=no
+  glibcpp_cv_func_finitef_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10164,17 +10222,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isinf_use" 1>&6
-  if test x$glibcpp_cv_func__isinf_use = x"yes"; then
-    for ac_func in _isinf
+  echo "$ac_t""$glibcpp_cv_func_finitef_use" 1>&6
+
+  if test x$glibcpp_cv_func_finitef_use = x"yes"; then
+    for ac_func in finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10173: checking for $ac_func" >&5
+echo "configure:10232: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10178 "configure"
+#line 10237 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10197,7 +10256,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10201: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10221,13 +10280,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _isnan declaration""... $ac_c" 1>&6
-echo "configure:10229: checking for _isnan declaration" >&5
-  if test x${glibcpp_cv_func__isnan_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isnan_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _finitef declaration""... $ac_c" 1>&6
+echo "configure:10287: checking for _finitef declaration" >&5
+  if test x${glibcpp_cv_func__finitef_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__finitef_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10240,21 +10298,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10244 "configure"
+#line 10302 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isnan(0);
+ _finitef(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10251: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10309: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isnan_use=yes
+  glibcpp_cv_func__finitef_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isnan_use=no
+  glibcpp_cv_func__finitef_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10268,17 +10326,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isnan_use" 1>&6
-  if test x$glibcpp_cv_func__isnan_use = x"yes"; then
-    for ac_func in _isnan
+  echo "$ac_t""$glibcpp_cv_func__finitef_use" 1>&6
+
+    if test x$glibcpp_cv_func__finitef_use = x"yes"; then
+      for ac_func in _finitef
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10277: checking for $ac_func" >&5
+echo "configure:10336: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10282 "configure"
+#line 10341 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10301,7 +10360,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10305: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10364: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10325,64 +10384,67 @@ else
 fi
 done
     
+    fi	
   fi
 
-  
-  echo $ac_n "checking for _finite declaration""... $ac_c" 1>&6
-echo "configure:10333: checking for _finite declaration" >&5
-  if test x${glibcpp_cv_func__finite_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__finite_use'+set}'`\" = set"; then
+
+    
+  echo $ac_n "checking for long double trig functions""... $ac_c" 1>&6
+echo "configure:10394: checking for long double trig functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 10348 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 10408 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _finite(0);
+ `for x in acosl asinl atanl \
+                                          cosl sinl tanl \
+                                          coshl sinhl tanhl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:10355: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__finite_use=yes
+  glibcpp_cv_func_long_double_trig_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__finite_use=no
+  glibcpp_cv_func_long_double_trig_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__finite_use" 1>&6
-  if test x$glibcpp_cv_func__finite_use = x"yes"; then
-    for ac_func in _finite
+  echo "$ac_t""$glibcpp_cv_func_long_double_trig_use" 1>&6
+  if test x$glibcpp_cv_func_long_double_trig_use = x"yes"; then
+    for ac_func in acosl asinl atanl \
+                                          cosl sinl tanl \
+                                          coshl sinhl tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10381: checking for $ac_func" >&5
+echo "configure:10443: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10386 "configure"
+#line 10448 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10405,7 +10467,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10409: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10471: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10428,65 +10490,62 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for _copysign declaration""... $ac_c" 1>&6
-echo "configure:10437: checking for _copysign declaration" >&5
-  if test x${glibcpp_cv_func__copysign_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__copysign_use'+set}'`\" = set"; then
+  echo $ac_n "checking for long double round functions""... $ac_c" 1>&6
+echo "configure:10499: checking for long double round functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func_long_double_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 10452 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 10513 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _copysign(0, 0);
+ `for x in ceill floorl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:10459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10520: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__copysign_use=yes
+  glibcpp_cv_func_long_double_round_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__copysign_use=no
+  glibcpp_cv_func_long_double_round_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__copysign_use" 1>&6
-  if test x$glibcpp_cv_func__copysign_use = x"yes"; then
-    for ac_func in _copysign
+  echo "$ac_t""$glibcpp_cv_func_long_double_round_use" 1>&6
+  if test x$glibcpp_cv_func_long_double_round_use = x"yes"; then
+    for ac_func in ceill floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10485: checking for $ac_func" >&5
+echo "configure:10544: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10490 "configure"
+#line 10549 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10509,7 +10568,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10532,14 +10591,15 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for _sincos declaration""... $ac_c" 1>&6
-echo "configure:10541: checking for _sincos declaration" >&5
-  if test x${glibcpp_cv_func__sincos_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__sincos_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for isnanl declaration""... $ac_c" 1>&6
+echo "configure:10601: checking for isnanl declaration" >&5
+  if test x${glibcpp_cv_func_isnanl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10552,21 +10612,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10556 "configure"
+#line 10616 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _sincos(0, 0, 0);
+ isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10563: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10623: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__sincos_use=yes
+  glibcpp_cv_func_isnanl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__sincos_use=no
+  glibcpp_cv_func_isnanl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10580,17 +10640,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__sincos_use" 1>&6
-  if test x$glibcpp_cv_func__sincos_use = x"yes"; then
-    for ac_func in _sincos
+  echo "$ac_t""$glibcpp_cv_func_isnanl_use" 1>&6
+
+  if test x$glibcpp_cv_func_isnanl_use = x"yes"; then
+    for ac_func in isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10589: checking for $ac_func" >&5
+echo "configure:10650: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10594 "configure"
+#line 10655 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10613,7 +10674,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10617: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10678: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10637,13 +10698,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _fpclass declaration""... $ac_c" 1>&6
-echo "configure:10645: checking for _fpclass declaration" >&5
-  if test x${glibcpp_cv_func__fpclass_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__fpclass_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _isnanl declaration""... $ac_c" 1>&6
+echo "configure:10705: checking for _isnanl declaration" >&5
+  if test x${glibcpp_cv_func__isnanl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isnanl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10656,21 +10716,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10660 "configure"
+#line 10720 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _fpclass(0);
+ _isnanl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10667: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10727: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__fpclass_use=yes
+  glibcpp_cv_func__isnanl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__fpclass_use=no
+  glibcpp_cv_func__isnanl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10684,17 +10744,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__fpclass_use" 1>&6
-  if test x$glibcpp_cv_func__fpclass_use = x"yes"; then
-    for ac_func in _fpclass
+  echo "$ac_t""$glibcpp_cv_func__isnanl_use" 1>&6
+
+    if test x$glibcpp_cv_func__isnanl_use = x"yes"; then
+      for ac_func in _isnanl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10693: checking for $ac_func" >&5
+echo "configure:10754: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10698 "configure"
+#line 10759 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10717,7 +10778,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10721: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10782: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10741,13 +10802,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _qfpclass declaration""... $ac_c" 1>&6
-echo "configure:10749: checking for _qfpclass declaration" >&5
-  if test x${glibcpp_cv_func__qfpclass_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__qfpclass_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for isinfl declaration""... $ac_c" 1>&6
+echo "configure:10812: checking for isinfl declaration" >&5
+  if test x${glibcpp_cv_func_isinfl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -10760,21 +10823,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 10764 "configure"
+#line 10827 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _qfpclass(0);
+ isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10771: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10834: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__qfpclass_use=yes
+  glibcpp_cv_func_isinfl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__qfpclass_use=no
+  glibcpp_cv_func_isinfl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -10788,17 +10851,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__qfpclass_use" 1>&6
-  if test x$glibcpp_cv_func__qfpclass_use = x"yes"; then
-    for ac_func in _qfpclass
+  echo "$ac_t""$glibcpp_cv_func_isinfl_use" 1>&6
+
+  if test x$glibcpp_cv_func_isinfl_use = x"yes"; then
+    for ac_func in isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10797: checking for $ac_func" >&5
+echo "configure:10861: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10802 "configure"
+#line 10866 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10821,7 +10885,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10825: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10889: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10845,66 +10909,64 @@ else
 fi
 done
     
-  fi
-
-
+  else
     
-  echo $ac_n "checking for _float trig functions""... $ac_c" 1>&6
-echo "configure:10854: checking for _float trig functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func__float_trig_use'+set}'`\" = set"; then
+  echo $ac_n "checking for _isinfl declaration""... $ac_c" 1>&6
+echo "configure:10916: checking for _isinfl declaration" >&5
+  if test x${glibcpp_cv_func__isinfl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__isinfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 10868 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 10931 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in _acosf _asinf _atanf \
-                                          _cosf _sinf _tanf \
-                                          _coshf _sinhf _tanhf; do echo "$x (0);"; done` 
+ _isinfl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:10877: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:10938: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__float_trig_use=yes
+  glibcpp_cv_func__isinfl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__float_trig_use=no
+  glibcpp_cv_func__isinfl_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func__float_trig_use" 1>&6
-  if test x$glibcpp_cv_func__float_trig_use = x"yes"; then
-    for ac_func in _acosf _asinf _atanf \
-                                          _cosf _sinf _tanf \
-                                          _coshf _sinhf _tanhf
+  fi
+  echo "$ac_t""$glibcpp_cv_func__isinfl_use" 1>&6
+
+    if test x$glibcpp_cv_func__isinfl_use = x"yes"; then
+      for ac_func in _isinfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:10903: checking for $ac_func" >&5
+echo "configure:10965: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 10908 "configure"
+#line 10970 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -10927,7 +10989,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:10931: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:10993: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -10950,62 +11012,68 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
+    
+    fi	
   fi
 
   
-  echo $ac_n "checking for _float round functions""... $ac_c" 1>&6
-echo "configure:10959: checking for _float round functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func__float_round_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for copysignl declaration""... $ac_c" 1>&6
+echo "configure:11023: checking for copysignl declaration" >&5
+  if test x${glibcpp_cv_func_copysignl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 10973 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 11038 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in _ceilf _floorf; do echo "$x (0);"; done` 
+ copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:10980: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11045: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__float_round_use=yes
+  glibcpp_cv_func_copysignl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__float_round_use=no
+  glibcpp_cv_func_copysignl_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func__float_round_use" 1>&6
-  if test x$glibcpp_cv_func__float_round_use = x"yes"; then
-    for ac_func in _ceilf _floorf
+  fi
+  echo "$ac_t""$glibcpp_cv_func_copysignl_use" 1>&6
+
+  if test x$glibcpp_cv_func_copysignl_use = x"yes"; then
+    for ac_func in copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11004: checking for $ac_func" >&5
+echo "configure:11072: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11009 "configure"
+#line 11077 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11028,7 +11096,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11032: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11100: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11051,14 +11119,13 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
-  fi
-
-  
-  echo $ac_n "checking for _isnanf declaration""... $ac_c" 1>&6
-echo "configure:11060: checking for _isnanf declaration" >&5
-  if test x${glibcpp_cv_func__isnanf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isnanf_use'+set}'`\" = set"; then
+    
+  else
+    
+  echo $ac_n "checking for _copysignl declaration""... $ac_c" 1>&6
+echo "configure:11127: checking for _copysignl declaration" >&5
+  if test x${glibcpp_cv_func__copysignl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__copysignl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11071,21 +11138,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11075 "configure"
+#line 11142 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isnanf(0);
+ _copysignl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11082: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11149: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isnanf_use=yes
+  glibcpp_cv_func__copysignl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isnanf_use=no
+  glibcpp_cv_func__copysignl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11099,17 +11166,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isnanf_use" 1>&6
-  if test x$glibcpp_cv_func__isnanf_use = x"yes"; then
-    for ac_func in _isnanf
+  echo "$ac_t""$glibcpp_cv_func__copysignl_use" 1>&6
+
+    if test x$glibcpp_cv_func__copysignl_use = x"yes"; then
+      for ac_func in _copysignl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11108: checking for $ac_func" >&5
+echo "configure:11176: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11113 "configure"
+#line 11181 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11132,7 +11200,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11136: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11156,13 +11224,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _isinff declaration""... $ac_c" 1>&6
-echo "configure:11164: checking for _isinff declaration" >&5
-  if test x${glibcpp_cv_func__isinff_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isinff_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for atan2l declaration""... $ac_c" 1>&6
+echo "configure:11234: checking for atan2l declaration" >&5
+  if test x${glibcpp_cv_func_atan2l_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11175,21 +11245,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11179 "configure"
+#line 11249 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isinff(0);
+ atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11186: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11256: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isinff_use=yes
+  glibcpp_cv_func_atan2l_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isinff_use=no
+  glibcpp_cv_func_atan2l_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11203,17 +11273,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isinff_use" 1>&6
-  if test x$glibcpp_cv_func__isinff_use = x"yes"; then
-    for ac_func in _isinff
+  echo "$ac_t""$glibcpp_cv_func_atan2l_use" 1>&6
+
+  if test x$glibcpp_cv_func_atan2l_use = x"yes"; then
+    for ac_func in atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11212: checking for $ac_func" >&5
+echo "configure:11283: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11217 "configure"
+#line 11288 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11236,7 +11307,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11240: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11311: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11260,13 +11331,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _fabsf declaration""... $ac_c" 1>&6
-echo "configure:11268: checking for _fabsf declaration" >&5
-  if test x${glibcpp_cv_func__fabsf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__fabsf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _atan2l declaration""... $ac_c" 1>&6
+echo "configure:11338: checking for _atan2l declaration" >&5
+  if test x${glibcpp_cv_func__atan2l_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__atan2l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11279,21 +11349,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11283 "configure"
+#line 11353 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _fabsf(0);
+ _atan2l(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11290: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11360: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__fabsf_use=yes
+  glibcpp_cv_func__atan2l_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__fabsf_use=no
+  glibcpp_cv_func__atan2l_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11307,17 +11377,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__fabsf_use" 1>&6
-  if test x$glibcpp_cv_func__fabsf_use = x"yes"; then
-    for ac_func in _fabsf
+  echo "$ac_t""$glibcpp_cv_func__atan2l_use" 1>&6
+
+    if test x$glibcpp_cv_func__atan2l_use = x"yes"; then
+      for ac_func in _atan2l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11316: checking for $ac_func" >&5
+echo "configure:11387: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11321 "configure"
+#line 11392 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11340,7 +11411,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11344: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11364,13 +11435,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _fmodf declaration""... $ac_c" 1>&6
-echo "configure:11372: checking for _fmodf declaration" >&5
-  if test x${glibcpp_cv_func__fmodf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__fmodf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for expl declaration""... $ac_c" 1>&6
+echo "configure:11445: checking for expl declaration" >&5
+  if test x${glibcpp_cv_func_expl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11383,21 +11456,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11387 "configure"
+#line 11460 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _fmodf(0, 0);
+ expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11394: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11467: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__fmodf_use=yes
+  glibcpp_cv_func_expl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__fmodf_use=no
+  glibcpp_cv_func_expl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11411,17 +11484,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__fmodf_use" 1>&6
-  if test x$glibcpp_cv_func__fmodf_use = x"yes"; then
-    for ac_func in _fmodf
+  echo "$ac_t""$glibcpp_cv_func_expl_use" 1>&6
+
+  if test x$glibcpp_cv_func_expl_use = x"yes"; then
+    for ac_func in expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11420: checking for $ac_func" >&5
+echo "configure:11494: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11425 "configure"
+#line 11499 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11444,7 +11518,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11448: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11522: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11468,13 +11542,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _frexpf declaration""... $ac_c" 1>&6
-echo "configure:11476: checking for _frexpf declaration" >&5
-  if test x${glibcpp_cv_func__frexpf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__frexpf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _expl declaration""... $ac_c" 1>&6
+echo "configure:11549: checking for _expl declaration" >&5
+  if test x${glibcpp_cv_func__expl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__expl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11487,21 +11560,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11491 "configure"
+#line 11564 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _frexpf(0, 0);
+ _expl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11498: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11571: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__frexpf_use=yes
+  glibcpp_cv_func__expl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__frexpf_use=no
+  glibcpp_cv_func__expl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11515,17 +11588,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__frexpf_use" 1>&6
-  if test x$glibcpp_cv_func__frexpf_use = x"yes"; then
-    for ac_func in _frexpf
+  echo "$ac_t""$glibcpp_cv_func__expl_use" 1>&6
+
+    if test x$glibcpp_cv_func__expl_use = x"yes"; then
+      for ac_func in _expl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11524: checking for $ac_func" >&5
+echo "configure:11598: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11529 "configure"
+#line 11603 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11548,7 +11622,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11552: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11626: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11572,13 +11646,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _ldexpf declaration""... $ac_c" 1>&6
-echo "configure:11580: checking for _ldexpf declaration" >&5
-  if test x${glibcpp_cv_func__ldexpf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for fabsl declaration""... $ac_c" 1>&6
+echo "configure:11656: checking for fabsl declaration" >&5
+  if test x${glibcpp_cv_func_fabsl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11591,21 +11667,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11595 "configure"
+#line 11671 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _ldexpf(0, 0);
+ fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11602: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11678: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__ldexpf_use=yes
+  glibcpp_cv_func_fabsl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__ldexpf_use=no
+  glibcpp_cv_func_fabsl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11619,17 +11695,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__ldexpf_use" 1>&6
-  if test x$glibcpp_cv_func__ldexpf_use = x"yes"; then
-    for ac_func in _ldexpf
+  echo "$ac_t""$glibcpp_cv_func_fabsl_use" 1>&6
+
+  if test x$glibcpp_cv_func_fabsl_use = x"yes"; then
+    for ac_func in fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11628: checking for $ac_func" >&5
+echo "configure:11705: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11633 "configure"
+#line 11710 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11652,7 +11729,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11656: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11733: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11676,13 +11753,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _logf declaration""... $ac_c" 1>&6
-echo "configure:11684: checking for _logf declaration" >&5
-  if test x${glibcpp_cv_func__logf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__logf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _fabsl declaration""... $ac_c" 1>&6
+echo "configure:11760: checking for _fabsl declaration" >&5
+  if test x${glibcpp_cv_func__fabsl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__fabsl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11695,21 +11771,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11699 "configure"
+#line 11775 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _logf(0);
+ _fabsl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:11706: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11782: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__logf_use=yes
+  glibcpp_cv_func__fabsl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__logf_use=no
+  glibcpp_cv_func__fabsl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11723,17 +11799,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__logf_use" 1>&6
-  if test x$glibcpp_cv_func__logf_use = x"yes"; then
-    for ac_func in _logf
+  echo "$ac_t""$glibcpp_cv_func__fabsl_use" 1>&6
+
+    if test x$glibcpp_cv_func__fabsl_use = x"yes"; then
+      for ac_func in _fabsl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11732: checking for $ac_func" >&5
+echo "configure:11809: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11737 "configure"
+#line 11814 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11756,7 +11833,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11760: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11837: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11780,13 +11857,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _log10f declaration""... $ac_c" 1>&6
-echo "configure:11788: checking for _log10f declaration" >&5
-  if test x${glibcpp_cv_func__log10f_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__log10f_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for fmodl declaration""... $ac_c" 1>&6
+echo "configure:11867: checking for fmodl declaration" >&5
+  if test x${glibcpp_cv_func_fmodl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11799,21 +11878,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11803 "configure"
+#line 11882 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _log10f(0);
+ fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11810: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11889: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__log10f_use=yes
+  glibcpp_cv_func_fmodl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__log10f_use=no
+  glibcpp_cv_func_fmodl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11827,17 +11906,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__log10f_use" 1>&6
-  if test x$glibcpp_cv_func__log10f_use = x"yes"; then
-    for ac_func in _log10f
+  echo "$ac_t""$glibcpp_cv_func_fmodl_use" 1>&6
+
+  if test x$glibcpp_cv_func_fmodl_use = x"yes"; then
+    for ac_func in fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11836: checking for $ac_func" >&5
+echo "configure:11916: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11841 "configure"
+#line 11921 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11860,7 +11940,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11864: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:11944: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11884,13 +11964,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _modff declaration""... $ac_c" 1>&6
-echo "configure:11892: checking for _modff declaration" >&5
-  if test x${glibcpp_cv_func__modff_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__modff_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _fmodl declaration""... $ac_c" 1>&6
+echo "configure:11971: checking for _fmodl declaration" >&5
+  if test x${glibcpp_cv_func__fmodl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__fmodl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -11903,21 +11982,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 11907 "configure"
+#line 11986 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _modff(0, 0);
+ _fmodl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:11914: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:11993: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__modff_use=yes
+  glibcpp_cv_func__fmodl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__modff_use=no
+  glibcpp_cv_func__fmodl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -11931,17 +12010,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__modff_use" 1>&6
-  if test x$glibcpp_cv_func__modff_use = x"yes"; then
-    for ac_func in _modff
+  echo "$ac_t""$glibcpp_cv_func__fmodl_use" 1>&6
+
+    if test x$glibcpp_cv_func__fmodl_use = x"yes"; then
+      for ac_func in _fmodl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:11940: checking for $ac_func" >&5
+echo "configure:12020: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 11945 "configure"
+#line 12025 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -11964,7 +12044,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:11968: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12048: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -11988,13 +12068,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _powf declaration""... $ac_c" 1>&6
-echo "configure:11996: checking for _powf declaration" >&5
-  if test x${glibcpp_cv_func__powf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__powf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for frexpl declaration""... $ac_c" 1>&6
+echo "configure:12078: checking for frexpl declaration" >&5
+  if test x${glibcpp_cv_func_frexpl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12007,21 +12089,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12011 "configure"
+#line 12093 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _powf(0, 0);
+ frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12018: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12100: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__powf_use=yes
+  glibcpp_cv_func_frexpl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__powf_use=no
+  glibcpp_cv_func_frexpl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12035,17 +12117,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__powf_use" 1>&6
-  if test x$glibcpp_cv_func__powf_use = x"yes"; then
-    for ac_func in _powf
+  echo "$ac_t""$glibcpp_cv_func_frexpl_use" 1>&6
+
+  if test x$glibcpp_cv_func_frexpl_use = x"yes"; then
+    for ac_func in frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12044: checking for $ac_func" >&5
+echo "configure:12127: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12049 "configure"
+#line 12132 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12068,7 +12151,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12072: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12155: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12092,13 +12175,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _sqrtf declaration""... $ac_c" 1>&6
-echo "configure:12100: checking for _sqrtf declaration" >&5
-  if test x${glibcpp_cv_func__sqrtf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtf_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _frexpl declaration""... $ac_c" 1>&6
+echo "configure:12182: checking for _frexpl declaration" >&5
+  if test x${glibcpp_cv_func__frexpl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__frexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12111,21 +12193,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12115 "configure"
+#line 12197 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _sqrtf(0);
+ _frexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12122: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12204: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__sqrtf_use=yes
+  glibcpp_cv_func__frexpl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__sqrtf_use=no
+  glibcpp_cv_func__frexpl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12139,17 +12221,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__sqrtf_use" 1>&6
-  if test x$glibcpp_cv_func__sqrtf_use = x"yes"; then
-    for ac_func in _sqrtf
+  echo "$ac_t""$glibcpp_cv_func__frexpl_use" 1>&6
+
+    if test x$glibcpp_cv_func__frexpl_use = x"yes"; then
+      for ac_func in _frexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12148: checking for $ac_func" >&5
+echo "configure:12231: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12153 "configure"
+#line 12236 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12172,7 +12255,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12176: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12259: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12196,13 +12279,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _sincosf declaration""... $ac_c" 1>&6
-echo "configure:12204: checking for _sincosf declaration" >&5
-  if test x${glibcpp_cv_func__sincosf_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__sincosf_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for ldexpl declaration""... $ac_c" 1>&6
+echo "configure:12289: checking for ldexpl declaration" >&5
+  if test x${glibcpp_cv_func_ldexpl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12215,21 +12300,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12219 "configure"
+#line 12304 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _sincosf(0, 0, 0);
+ ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12226: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__sincosf_use=yes
+  glibcpp_cv_func_ldexpl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__sincosf_use=no
+  glibcpp_cv_func_ldexpl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12243,17 +12328,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__sincosf_use" 1>&6
-  if test x$glibcpp_cv_func__sincosf_use = x"yes"; then
-    for ac_func in _sincosf
+  echo "$ac_t""$glibcpp_cv_func_ldexpl_use" 1>&6
+
+  if test x$glibcpp_cv_func_ldexpl_use = x"yes"; then
+    for ac_func in ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12252: checking for $ac_func" >&5
+echo "configure:12338: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12257 "configure"
+#line 12343 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12276,7 +12362,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12280: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12366: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12300,13 +12386,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _finitef declaration""... $ac_c" 1>&6
-echo "configure:12308: checking for _finitef declaration" >&5
-  if test x${glibcpp_cv_func__finitef_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__finitef_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _ldexpl declaration""... $ac_c" 1>&6
+echo "configure:12393: checking for _ldexpl declaration" >&5
+  if test x${glibcpp_cv_func__ldexpl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12319,21 +12404,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12323 "configure"
+#line 12408 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _finitef(0);
+ _ldexpl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12330: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12415: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__finitef_use=yes
+  glibcpp_cv_func__ldexpl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__finitef_use=no
+  glibcpp_cv_func__ldexpl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12347,17 +12432,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__finitef_use" 1>&6
-  if test x$glibcpp_cv_func__finitef_use = x"yes"; then
-    for ac_func in _finitef
+  echo "$ac_t""$glibcpp_cv_func__ldexpl_use" 1>&6
+
+    if test x$glibcpp_cv_func__ldexpl_use = x"yes"; then
+      for ac_func in _ldexpl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12356: checking for $ac_func" >&5
+echo "configure:12442: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12361 "configure"
+#line 12447 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12380,7 +12466,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12384: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12470: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12404,66 +12490,67 @@ else
 fi
 done
     
+    fi	
   fi
 
-
-    
-  echo $ac_n "checking for _long double trig functions""... $ac_c" 1>&6
-echo "configure:12413: checking for _long double trig functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_trig_use'+set}'`\" = set"; then
+  
+  
+  echo $ac_n "checking for logl declaration""... $ac_c" 1>&6
+echo "configure:12500: checking for logl declaration" >&5
+  if test x${glibcpp_cv_func_logl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 12427 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 12515 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in _acosl _asinl _atanl \
-                                          _cosl _sinl _tanl \
-                                          _coshl _sinhl _tanhl; do echo "$x (0);"; done` 
+ logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12436: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12522: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__long_double_trig_use=yes
+  glibcpp_cv_func_logl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__long_double_trig_use=no
+  glibcpp_cv_func_logl_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func__long_double_trig_use" 1>&6
-  if test x$glibcpp_cv_func__long_double_trig_use = x"yes"; then
-    for ac_func in _acosl _asinl _atanl \
-                                          _cosl _sinl _tanl \
-                                          _coshl _sinhl _tanhl
+  fi
+  echo "$ac_t""$glibcpp_cv_func_logl_use" 1>&6
+
+  if test x$glibcpp_cv_func_logl_use = x"yes"; then
+    for ac_func in logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12462: checking for $ac_func" >&5
+echo "configure:12549: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12467 "configure"
+#line 12554 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12486,7 +12573,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12490: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12577: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12509,62 +12596,65 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
-  fi
-
-  
-  echo $ac_n "checking for _long double round functions""... $ac_c" 1>&6
-echo "configure:12518: checking for _long double round functions" >&5
-  if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_round_use'+set}'`\" = set"; then
+    
+  else
+    
+  echo $ac_n "checking for _logl declaration""... $ac_c" 1>&6
+echo "configure:12604: checking for _logl declaration" >&5
+  if test x${glibcpp_cv_func__logl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__logl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-    
-    ac_ext=C
+      
+      ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-    cat > conftest.$ac_ext <<EOF
-#line 12532 "configure"
+      cat > conftest.$ac_ext <<EOF
+#line 12619 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- `for x in _ceill _floorl; do echo "$x (0);"; done` 
+ _logl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12539: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12626: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__long_double_round_use=yes
+  glibcpp_cv_func__logl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__long_double_round_use=no
+  glibcpp_cv_func__logl_use=no
 fi
 rm -f conftest*
-    ac_ext=c
+      ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
+    
 fi
 
-  echo "$ac_t""$glibcpp_cv_func__long_double_round_use" 1>&6
-  if test x$glibcpp_cv_func__long_double_round_use = x"yes"; then
-    for ac_func in _ceill _floorl
+  fi
+  echo "$ac_t""$glibcpp_cv_func__logl_use" 1>&6
+
+    if test x$glibcpp_cv_func__logl_use = x"yes"; then
+      for ac_func in _logl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12563: checking for $ac_func" >&5
+echo "configure:12653: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12568 "configure"
+#line 12658 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12587,7 +12677,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12591: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12681: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12610,14 +12700,16 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-
+    
+    fi	
   fi
 
   
-  echo $ac_n "checking for _isnanl declaration""... $ac_c" 1>&6
-echo "configure:12619: checking for _isnanl declaration" >&5
-  if test x${glibcpp_cv_func__isnanl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isnanl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for log10l declaration""... $ac_c" 1>&6
+echo "configure:12711: checking for log10l declaration" >&5
+  if test x${glibcpp_cv_func_log10l_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12630,21 +12722,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12634 "configure"
+#line 12726 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isnanl(0);
+ log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12641: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12733: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isnanl_use=yes
+  glibcpp_cv_func_log10l_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isnanl_use=no
+  glibcpp_cv_func_log10l_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12658,17 +12750,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isnanl_use" 1>&6
-  if test x$glibcpp_cv_func__isnanl_use = x"yes"; then
-    for ac_func in _isnanl
+  echo "$ac_t""$glibcpp_cv_func_log10l_use" 1>&6
+
+  if test x$glibcpp_cv_func_log10l_use = x"yes"; then
+    for ac_func in log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12667: checking for $ac_func" >&5
+echo "configure:12760: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12672 "configure"
+#line 12765 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12691,7 +12784,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12695: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12788: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12715,13 +12808,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _isinfl declaration""... $ac_c" 1>&6
-echo "configure:12723: checking for _isinfl declaration" >&5
-  if test x${glibcpp_cv_func__isinfl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__isinfl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _log10l declaration""... $ac_c" 1>&6
+echo "configure:12815: checking for _log10l declaration" >&5
+  if test x${glibcpp_cv_func__log10l_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__log10l_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12734,21 +12826,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12738 "configure"
+#line 12830 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _isinfl(0);
+ _log10l(0);
 ; return 0; }
 EOF
-if { (eval echo configure:12745: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12837: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__isinfl_use=yes
+  glibcpp_cv_func__log10l_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__isinfl_use=no
+  glibcpp_cv_func__log10l_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12762,17 +12854,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__isinfl_use" 1>&6
-  if test x$glibcpp_cv_func__isinfl_use = x"yes"; then
-    for ac_func in _isinfl
+  echo "$ac_t""$glibcpp_cv_func__log10l_use" 1>&6
+
+    if test x$glibcpp_cv_func__log10l_use = x"yes"; then
+      for ac_func in _log10l
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12771: checking for $ac_func" >&5
+echo "configure:12864: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12776 "configure"
+#line 12869 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12795,7 +12888,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12799: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12892: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12819,13 +12912,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _copysignl declaration""... $ac_c" 1>&6
-echo "configure:12827: checking for _copysignl declaration" >&5
-  if test x${glibcpp_cv_func__copysignl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__copysignl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for modfl declaration""... $ac_c" 1>&6
+echo "configure:12922: checking for modfl declaration" >&5
+  if test x${glibcpp_cv_func_modfl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12838,21 +12933,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12842 "configure"
+#line 12937 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _copysignl(0, 0);
+ modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12849: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:12944: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__copysignl_use=yes
+  glibcpp_cv_func_modfl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__copysignl_use=no
+  glibcpp_cv_func_modfl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12866,17 +12961,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__copysignl_use" 1>&6
-  if test x$glibcpp_cv_func__copysignl_use = x"yes"; then
-    for ac_func in _copysignl
+  echo "$ac_t""$glibcpp_cv_func_modfl_use" 1>&6
+
+  if test x$glibcpp_cv_func_modfl_use = x"yes"; then
+    for ac_func in modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12875: checking for $ac_func" >&5
+echo "configure:12971: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12880 "configure"
+#line 12976 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -12899,7 +12995,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:12903: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:12999: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -12923,13 +13019,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _atan2l declaration""... $ac_c" 1>&6
-echo "configure:12931: checking for _atan2l declaration" >&5
-  if test x${glibcpp_cv_func__atan2l_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__atan2l_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _modfl declaration""... $ac_c" 1>&6
+echo "configure:13026: checking for _modfl declaration" >&5
+  if test x${glibcpp_cv_func__modfl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__modfl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -12942,21 +13037,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 12946 "configure"
+#line 13041 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _atan2l(0, 0);
+ _modfl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:12953: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13048: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__atan2l_use=yes
+  glibcpp_cv_func__modfl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__atan2l_use=no
+  glibcpp_cv_func__modfl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -12970,17 +13065,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__atan2l_use" 1>&6
-  if test x$glibcpp_cv_func__atan2l_use = x"yes"; then
-    for ac_func in _atan2l
+  echo "$ac_t""$glibcpp_cv_func__modfl_use" 1>&6
+
+    if test x$glibcpp_cv_func__modfl_use = x"yes"; then
+      for ac_func in _modfl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:12979: checking for $ac_func" >&5
+echo "configure:13075: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 12984 "configure"
+#line 13080 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13003,7 +13099,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13007: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13103: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13027,13 +13123,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _expl declaration""... $ac_c" 1>&6
-echo "configure:13035: checking for _expl declaration" >&5
-  if test x${glibcpp_cv_func__expl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__expl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for powl declaration""... $ac_c" 1>&6
+echo "configure:13133: checking for powl declaration" >&5
+  if test x${glibcpp_cv_func_powl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13046,21 +13144,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13050 "configure"
+#line 13148 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _expl(0);
+ powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13057: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13155: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__expl_use=yes
+  glibcpp_cv_func_powl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__expl_use=no
+  glibcpp_cv_func_powl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13074,17 +13172,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__expl_use" 1>&6
-  if test x$glibcpp_cv_func__expl_use = x"yes"; then
-    for ac_func in _expl
+  echo "$ac_t""$glibcpp_cv_func_powl_use" 1>&6
+
+  if test x$glibcpp_cv_func_powl_use = x"yes"; then
+    for ac_func in powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13083: checking for $ac_func" >&5
+echo "configure:13182: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13088 "configure"
+#line 13187 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13107,7 +13206,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13111: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13210: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13131,13 +13230,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _fabsl declaration""... $ac_c" 1>&6
-echo "configure:13139: checking for _fabsl declaration" >&5
-  if test x${glibcpp_cv_func__fabsl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__fabsl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _powl declaration""... $ac_c" 1>&6
+echo "configure:13237: checking for _powl declaration" >&5
+  if test x${glibcpp_cv_func__powl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__powl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13150,21 +13248,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13154 "configure"
+#line 13252 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _fabsl(0);
+ _powl(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13161: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13259: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__fabsl_use=yes
+  glibcpp_cv_func__powl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__fabsl_use=no
+  glibcpp_cv_func__powl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13178,17 +13276,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__fabsl_use" 1>&6
-  if test x$glibcpp_cv_func__fabsl_use = x"yes"; then
-    for ac_func in _fabsl
+  echo "$ac_t""$glibcpp_cv_func__powl_use" 1>&6
+
+    if test x$glibcpp_cv_func__powl_use = x"yes"; then
+      for ac_func in _powl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13187: checking for $ac_func" >&5
+echo "configure:13286: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13192 "configure"
+#line 13291 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13211,7 +13310,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13215: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13314: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13235,13 +13334,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _fmodl declaration""... $ac_c" 1>&6
-echo "configure:13243: checking for _fmodl declaration" >&5
-  if test x${glibcpp_cv_func__fmodl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__fmodl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for sqrtl declaration""... $ac_c" 1>&6
+echo "configure:13344: checking for sqrtl declaration" >&5
+  if test x${glibcpp_cv_func_sqrtl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13254,21 +13355,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13258 "configure"
+#line 13359 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _fmodl(0, 0);
+ sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13265: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13366: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__fmodl_use=yes
+  glibcpp_cv_func_sqrtl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__fmodl_use=no
+  glibcpp_cv_func_sqrtl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13282,17 +13383,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__fmodl_use" 1>&6
-  if test x$glibcpp_cv_func__fmodl_use = x"yes"; then
-    for ac_func in _fmodl
+  echo "$ac_t""$glibcpp_cv_func_sqrtl_use" 1>&6
+
+  if test x$glibcpp_cv_func_sqrtl_use = x"yes"; then
+    for ac_func in sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13291: checking for $ac_func" >&5
+echo "configure:13393: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13296 "configure"
+#line 13398 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13315,7 +13417,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13319: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13421: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13339,13 +13441,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _frexpl declaration""... $ac_c" 1>&6
-echo "configure:13347: checking for _frexpl declaration" >&5
-  if test x${glibcpp_cv_func__frexpl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__frexpl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _sqrtl declaration""... $ac_c" 1>&6
+echo "configure:13448: checking for _sqrtl declaration" >&5
+  if test x${glibcpp_cv_func__sqrtl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13358,21 +13459,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13362 "configure"
+#line 13463 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _frexpl(0, 0);
+ _sqrtl(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13369: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13470: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__frexpl_use=yes
+  glibcpp_cv_func__sqrtl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__frexpl_use=no
+  glibcpp_cv_func__sqrtl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13386,17 +13487,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__frexpl_use" 1>&6
-  if test x$glibcpp_cv_func__frexpl_use = x"yes"; then
-    for ac_func in _frexpl
+  echo "$ac_t""$glibcpp_cv_func__sqrtl_use" 1>&6
+
+    if test x$glibcpp_cv_func__sqrtl_use = x"yes"; then
+      for ac_func in _sqrtl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13395: checking for $ac_func" >&5
+echo "configure:13497: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13400 "configure"
+#line 13502 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13419,7 +13521,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13423: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13525: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13443,13 +13545,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _ldexpl declaration""... $ac_c" 1>&6
-echo "configure:13451: checking for _ldexpl declaration" >&5
-  if test x${glibcpp_cv_func__ldexpl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__ldexpl_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for sincosl declaration""... $ac_c" 1>&6
+echo "configure:13555: checking for sincosl declaration" >&5
+  if test x${glibcpp_cv_func_sincosl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13462,21 +13566,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13466 "configure"
+#line 13570 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _ldexpl(0, 0);
+ sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13473: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13577: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__ldexpl_use=yes
+  glibcpp_cv_func_sincosl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__ldexpl_use=no
+  glibcpp_cv_func_sincosl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13490,17 +13594,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__ldexpl_use" 1>&6
-  if test x$glibcpp_cv_func__ldexpl_use = x"yes"; then
-    for ac_func in _ldexpl
+  echo "$ac_t""$glibcpp_cv_func_sincosl_use" 1>&6
+
+  if test x$glibcpp_cv_func_sincosl_use = x"yes"; then
+    for ac_func in sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13499: checking for $ac_func" >&5
+echo "configure:13604: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13504 "configure"
+#line 13609 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13523,7 +13628,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13527: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13632: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13547,13 +13652,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _logl declaration""... $ac_c" 1>&6
-echo "configure:13555: checking for _logl declaration" >&5
-  if test x${glibcpp_cv_func__logl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__logl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _sincosl declaration""... $ac_c" 1>&6
+echo "configure:13659: checking for _sincosl declaration" >&5
+  if test x${glibcpp_cv_func__sincosl_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__sincosl_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13566,21 +13670,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13570 "configure"
+#line 13674 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _logl(0);
+ _sincosl(0, 0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:13577: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13681: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__logl_use=yes
+  glibcpp_cv_func__sincosl_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__logl_use=no
+  glibcpp_cv_func__sincosl_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13594,17 +13698,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__logl_use" 1>&6
-  if test x$glibcpp_cv_func__logl_use = x"yes"; then
-    for ac_func in _logl
+  echo "$ac_t""$glibcpp_cv_func__sincosl_use" 1>&6
+
+    if test x$glibcpp_cv_func__sincosl_use = x"yes"; then
+      for ac_func in _sincosl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13603: checking for $ac_func" >&5
+echo "configure:13708: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13608 "configure"
+#line 13713 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13627,7 +13732,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13631: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13736: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13651,13 +13756,15 @@ else
 fi
 done
     
+    fi	
   fi
 
   
-  echo $ac_n "checking for _log10l declaration""... $ac_c" 1>&6
-echo "configure:13659: checking for _log10l declaration" >&5
-  if test x${glibcpp_cv_func__log10l_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__log10l_use'+set}'`\" = set"; then
+  
+  echo $ac_n "checking for finitel declaration""... $ac_c" 1>&6
+echo "configure:13766: checking for finitel declaration" >&5
+  if test x${glibcpp_cv_func_finitel_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func_finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13670,21 +13777,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13674 "configure"
+#line 13781 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _log10l(0);
+ finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13681: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13788: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__log10l_use=yes
+  glibcpp_cv_func_finitel_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__log10l_use=no
+  glibcpp_cv_func_finitel_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13698,17 +13805,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__log10l_use" 1>&6
-  if test x$glibcpp_cv_func__log10l_use = x"yes"; then
-    for ac_func in _log10l
+  echo "$ac_t""$glibcpp_cv_func_finitel_use" 1>&6
+
+  if test x$glibcpp_cv_func_finitel_use = x"yes"; then
+    for ac_func in finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13707: checking for $ac_func" >&5
+echo "configure:13815: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13712 "configure"
+#line 13820 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13731,7 +13839,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13735: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13843: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13755,13 +13863,12 @@ else
 fi
 done
     
-  fi
-
-  
-  echo $ac_n "checking for _modfl declaration""... $ac_c" 1>&6
-echo "configure:13763: checking for _modfl declaration" >&5
-  if test x${glibcpp_cv_func__modfl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__modfl_use'+set}'`\" = set"; then
+  else
+    
+  echo $ac_n "checking for _finitel declaration""... $ac_c" 1>&6
+echo "configure:13870: checking for _finitel declaration" >&5
+  if test x${glibcpp_cv_func__finitel_use+set} != xset; then
+    if eval "test \"`echo '$''{'glibcpp_cv_func__finitel_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
@@ -13774,21 +13881,21 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 13778 "configure"
+#line 13885 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _modfl(0, 0);
+ _finitel(0);
 ; return 0; }
 EOF
-if { (eval echo configure:13785: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:13892: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__modfl_use=yes
+  glibcpp_cv_func__finitel_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__modfl_use=no
+  glibcpp_cv_func__finitel_use=no
 fi
 rm -f conftest*
       ac_ext=c
@@ -13802,17 +13909,18 @@ cross_compiling=$ac_cv_prog_cc_cross
 fi
 
   fi
-  echo "$ac_t""$glibcpp_cv_func__modfl_use" 1>&6
-  if test x$glibcpp_cv_func__modfl_use = x"yes"; then
-    for ac_func in _modfl
+  echo "$ac_t""$glibcpp_cv_func__finitel_use" 1>&6
+
+    if test x$glibcpp_cv_func__finitel_use = x"yes"; then
+      for ac_func in _finitel
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13811: checking for $ac_func" >&5
+echo "configure:13919: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13816 "configure"
+#line 13924 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13835,7 +13943,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13839: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:13947: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13859,64 +13967,68 @@ else
 fi
 done
     
+    fi	
   fi
 
-  
-  echo $ac_n "checking for _powl declaration""... $ac_c" 1>&6
-echo "configure:13867: checking for _powl declaration" >&5
-  if test x${glibcpp_cv_func__powl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__powl_use'+set}'`\" = set"; then
+
+        
+    
+  echo $ac_n "checking for _float trig functions""... $ac_c" 1>&6
+echo "configure:13978: checking for _float trig functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func__float_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 13882 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 13992 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _powl(0, 0);
+ `for x in _acosf _asinf _atanf \
+                                          _cosf _sinf _tanf \
+                                          _coshf _sinhf _tanhf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:13889: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14001: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__powl_use=yes
+  glibcpp_cv_func__float_trig_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__powl_use=no
+  glibcpp_cv_func__float_trig_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__powl_use" 1>&6
-  if test x$glibcpp_cv_func__powl_use = x"yes"; then
-    for ac_func in _powl
+  echo "$ac_t""$glibcpp_cv_func__float_trig_use" 1>&6
+  if test x$glibcpp_cv_func__float_trig_use = x"yes"; then
+    for ac_func in _acosf _asinf _atanf \
+                                          _cosf _sinf _tanf \
+                                          _coshf _sinhf _tanhf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:13915: checking for $ac_func" >&5
+echo "configure:14027: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 13920 "configure"
+#line 14032 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -13939,7 +14051,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:13943: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14055: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -13962,65 +14074,62 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for _sqrtl declaration""... $ac_c" 1>&6
-echo "configure:13971: checking for _sqrtl declaration" >&5
-  if test x${glibcpp_cv_func__sqrtl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__sqrtl_use'+set}'`\" = set"; then
+  echo $ac_n "checking for _float round functions""... $ac_c" 1>&6
+echo "configure:14083: checking for _float round functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func__float_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 13986 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 14097 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _sqrtl(0);
+ `for x in _ceilf _floorf; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:13993: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14104: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__sqrtl_use=yes
+  glibcpp_cv_func__float_round_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__sqrtl_use=no
+  glibcpp_cv_func__float_round_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__sqrtl_use" 1>&6
-  if test x$glibcpp_cv_func__sqrtl_use = x"yes"; then
-    for ac_func in _sqrtl
+  echo "$ac_t""$glibcpp_cv_func__float_round_use" 1>&6
+  if test x$glibcpp_cv_func__float_round_use = x"yes"; then
+    for ac_func in _ceilf _floorf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14019: checking for $ac_func" >&5
+echo "configure:14128: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14024 "configure"
+#line 14133 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14043,7 +14152,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14047: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14156: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14066,65 +14175,67 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
-  
-  echo $ac_n "checking for _sincosl declaration""... $ac_c" 1>&6
-echo "configure:14075: checking for _sincosl declaration" >&5
-  if test x${glibcpp_cv_func__sincosl_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__sincosl_use'+set}'`\" = set"; then
+
+    
+  echo $ac_n "checking for _long double trig functions""... $ac_c" 1>&6
+echo "configure:14185: checking for _long double trig functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_trig_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 14090 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 14199 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _sincosl(0, 0, 0);
+ `for x in _acosl _asinl _atanl \
+                                          _cosl _sinl _tanl \
+                                          _coshl _sinhl _tanhl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14097: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14208: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__sincosl_use=yes
+  glibcpp_cv_func__long_double_trig_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__sincosl_use=no
+  glibcpp_cv_func__long_double_trig_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__sincosl_use" 1>&6
-  if test x$glibcpp_cv_func__sincosl_use = x"yes"; then
-    for ac_func in _sincosl
+  echo "$ac_t""$glibcpp_cv_func__long_double_trig_use" 1>&6
+  if test x$glibcpp_cv_func__long_double_trig_use = x"yes"; then
+    for ac_func in _acosl _asinl _atanl \
+                                          _cosl _sinl _tanl \
+                                          _coshl _sinhl _tanhl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14123: checking for $ac_func" >&5
+echo "configure:14234: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14128 "configure"
+#line 14239 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14147,7 +14258,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14151: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14262: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14170,65 +14281,62 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
   
-  echo $ac_n "checking for _finitel declaration""... $ac_c" 1>&6
-echo "configure:14179: checking for _finitel declaration" >&5
-  if test x${glibcpp_cv_func__finitel_use+set} != xset; then
-    if eval "test \"`echo '$''{'glibcpp_cv_func__finitel_use'+set}'`\" = set"; then
+  echo $ac_n "checking for _long double round functions""... $ac_c" 1>&6
+echo "configure:14290: checking for _long double round functions" >&5
+  if eval "test \"`echo '$''{'glibcpp_cv_func__long_double_round_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   
-      
-      ac_ext=C
+    
+    ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
-      cat > conftest.$ac_ext <<EOF
-#line 14194 "configure"
+    cat > conftest.$ac_ext <<EOF
+#line 14304 "configure"
 #include "confdefs.h"
 #include <math.h>
 int main() {
- _finitel(0);
+ `for x in _ceill _floorl; do echo "$x (0);"; done` 
 ; return 0; }
 EOF
-if { (eval echo configure:14201: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
-  glibcpp_cv_func__finitel_use=yes
+  glibcpp_cv_func__long_double_round_use=yes
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
-  glibcpp_cv_func__finitel_use=no
+  glibcpp_cv_func__long_double_round_use=no
 fi
 rm -f conftest*
-      ac_ext=c
+    ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
-    
 fi
 
-  fi
-  echo "$ac_t""$glibcpp_cv_func__finitel_use" 1>&6
-  if test x$glibcpp_cv_func__finitel_use = x"yes"; then
-    for ac_func in _finitel
+  echo "$ac_t""$glibcpp_cv_func__long_double_round_use" 1>&6
+  if test x$glibcpp_cv_func__long_double_round_use = x"yes"; then
+    for ac_func in _ceill _floorl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14227: checking for $ac_func" >&5
+echo "configure:14335: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14232 "configure"
+#line 14340 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14251,7 +14359,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14255: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14363: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14274,7 +14382,7 @@ else
   echo "$ac_t""no" 1>&6
 fi
 done
-    
+
   fi
 
 
@@ -14283,7 +14391,7 @@ done
 
   
     echo $ac_n "checking for main in -lm""... $ac_c" 1>&6
-echo "configure:14287: checking for main in -lm" >&5
+echo "configure:14395: checking for main in -lm" >&5
 ac_lib_var=`echo m'_'main | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -14291,14 +14399,14 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-lm  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 14295 "configure"
+#line 14403 "configure"
 #include "confdefs.h"
 
 int main() {
 main()
 ; return 0; }
 EOF
-if { (eval echo configure:14302: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14410: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -14328,12 +14436,12 @@ fi
   for ac_func in nan hypot hypotf atan2f expf copysignf
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14332: checking for $ac_func" >&5
+echo "configure:14440: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14337 "configure"
+#line 14445 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14356,7 +14464,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14360: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14468: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14390,12 +14498,12 @@ done
     for ac_func in hypotl signbitl
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14394: checking for $ac_func" >&5
+echo "configure:14502: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14399 "configure"
+#line 14507 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14418,7 +14526,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14422: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14530: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14452,7 +14560,7 @@ done
   
 
   echo $ac_n "checking for GNU C++ __complex__ support""... $ac_c" 1>&6
-echo "configure:14456: checking for GNU C++ __complex__ support" >&5
+echo "configure:14564: checking for GNU C++ __complex__ support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14466,7 +14574,7 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
     cat > conftest.$ac_ext <<EOF
-#line 14470 "configure"
+#line 14578 "configure"
 #include "confdefs.h"
 struct dcomplex { __complex__ double x; }; \
                     dcomplex f(const dcomplex& x) { return dcomplex(x); }
@@ -14475,7 +14583,7 @@ int main() {
                      dcomplex x; f(x); 
 ; return 0; }
 EOF
-if { (eval echo configure:14479: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14587: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_complex=ok
 else
@@ -14505,7 +14613,7 @@ EOF
   fi
 
   echo $ac_n "checking for GNU C++ __complex__ float support""... $ac_c" 1>&6
-echo "configure:14509: checking for GNU C++ __complex__ float support" >&5
+echo "configure:14617: checking for GNU C++ __complex__ float support" >&5
   if eval "test \"`echo '$''{'glibcpp_cv_float_complex'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -14538,14 +14646,14 @@ cross_compiling=$ac_cv_prog_cxx_cross
       };
 EOB
     cat > conftest.$ac_ext <<EOF
-#line 14542 "configure"
+#line 14650 "configure"
 #include "confdefs.h"
 #include "conftest.h"
 int main() {
 
 ; return 0; }
 EOF
-if { (eval echo configure:14549: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14657: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_float_complex=ok
 else
@@ -14577,16 +14685,16 @@ EOF
   
 
       echo $ac_n "checking for mbstate_t""... $ac_c" 1>&6
-echo "configure:14581: checking for mbstate_t" >&5
+echo "configure:14689: checking for mbstate_t" >&5
   cat > conftest.$ac_ext <<EOF
-#line 14583 "configure"
+#line 14691 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 mbstate_t teststate;
 ; return 0; }
 EOF
-if { (eval echo configure:14590: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14698: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   have_mbstate_t=yes
 else
@@ -14608,17 +14716,17 @@ EOF
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:14612: checking for $ac_hdr" >&5
+echo "configure:14720: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14617 "configure"
+#line 14725 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:14622: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:14730: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -14647,17 +14755,17 @@ done
 
   ac_safe=`echo "wctype.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for wctype.h""... $ac_c" 1>&6
-echo "configure:14651: checking for wctype.h" >&5
+echo "configure:14759: checking for wctype.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14656 "configure"
+#line 14764 "configure"
 #include "confdefs.h"
 #include <wctype.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:14661: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:14769: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -14684,16 +14792,16 @@ fi
      && test x"$enable_c_mbchar" != xno; then
       
             echo $ac_n "checking for WCHAR_MIN and WCHAR_MAX""... $ac_c" 1>&6
-echo "configure:14688: checking for WCHAR_MIN and WCHAR_MAX" >&5
+echo "configure:14796: checking for WCHAR_MIN and WCHAR_MAX" >&5
     cat > conftest.$ac_ext <<EOF
-#line 14690 "configure"
+#line 14798 "configure"
 #include "confdefs.h"
 #include <wchar.h>
 int main() {
 int i = WCHAR_MIN; int j = WCHAR_MAX;
 ; return 0; }
 EOF
-if { (eval echo configure:14697: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14805: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_wchar_minmax=yes
 else
@@ -14706,9 +14814,9 @@ rm -f conftest*
     echo "$ac_t""$has_wchar_minmax" 1>&6
     
             echo $ac_n "checking for WEOF""... $ac_c" 1>&6
-echo "configure:14710: checking for WEOF" >&5
+echo "configure:14818: checking for WEOF" >&5
     cat > conftest.$ac_ext <<EOF
-#line 14712 "configure"
+#line 14820 "configure"
 #include "confdefs.h"
 
       #include <wchar.h>
@@ -14717,7 +14825,7 @@ int main() {
 wint_t i = WEOF;
 ; return 0; }
 EOF
-if { (eval echo configure:14721: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:14829: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   has_weof=yes
 else
@@ -14733,12 +14841,12 @@ rm -f conftest*
     wcsrtombs mbsrtowcs
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14737: checking for $ac_func" >&5
+echo "configure:14845: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14742 "configure"
+#line 14850 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14761,7 +14869,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14765: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14873: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14788,7 +14896,7 @@ done
 
   
     echo $ac_n "checking for ISO C99 wchar_t support""... $ac_c" 1>&6
-echo "configure:14792: checking for ISO C99 wchar_t support" >&5
+echo "configure:14900: checking for ISO C99 wchar_t support" >&5
     if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes \
        && test x"$ac_wfuncs" = xyes; then
       ac_isoC99_wchar_t=yes
@@ -14799,17 +14907,17 @@ echo "configure:14792: checking for ISO C99 wchar_t support" >&5
   
             ac_safe=`echo "iconv.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for iconv.h""... $ac_c" 1>&6
-echo "configure:14803: checking for iconv.h" >&5
+echo "configure:14911: checking for iconv.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14808 "configure"
+#line 14916 "configure"
 #include "confdefs.h"
 #include <iconv.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:14813: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:14921: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -14833,17 +14941,17 @@ fi
 
     ac_safe=`echo "langinfo.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for langinfo.h""... $ac_c" 1>&6
-echo "configure:14837: checking for langinfo.h" >&5
+echo "configure:14945: checking for langinfo.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14842 "configure"
+#line 14950 "configure"
 #include "confdefs.h"
 #include <langinfo.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:14847: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:14955: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -14867,7 +14975,7 @@ fi
 
 
         echo $ac_n "checking for iconv in -liconv""... $ac_c" 1>&6
-echo "configure:14871: checking for iconv in -liconv" >&5
+echo "configure:14979: checking for iconv in -liconv" >&5
 ac_lib_var=`echo iconv'_'iconv | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -14875,7 +14983,7 @@ else
   ac_save_LIBS="$LIBS"
 LIBS="-liconv  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 14879 "configure"
+#line 14987 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
@@ -14886,7 +14994,7 @@ int main() {
 iconv()
 ; return 0; }
 EOF
-if { (eval echo configure:14890: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:14998: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
@@ -14912,12 +15020,12 @@ fi
     for ac_func in iconv_open iconv_close iconv nl_langinfo
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:14916: checking for $ac_func" >&5
+echo "configure:15024: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 14921 "configure"
+#line 15029 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -14940,7 +15048,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:14944: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15052: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -14970,7 +15078,7 @@ done
     LIBS="$ac_save_LIBS"
 
     echo $ac_n "checking for XPG2 wchar_t support""... $ac_c" 1>&6
-echo "configure:14974: checking for XPG2 wchar_t support" >&5
+echo "configure:15082: checking for XPG2 wchar_t support" >&5
     if test x"$ac_has_iconv_h" = xyes && test x"$ac_has_langinfo_h" = xyes \
        && test x"$ac_XPG2funcs" = xyes; then
       ac_XPG2_wchar_t=yes
@@ -14980,7 +15088,7 @@ echo "configure:14974: checking for XPG2 wchar_t support" >&5
     echo "$ac_t""$ac_XPG2_wchar_t" 1>&6
   
             echo $ac_n "checking for enabled wchar_t specializations""... $ac_c" 1>&6
-echo "configure:14984: checking for enabled wchar_t specializations" >&5
+echo "configure:15092: checking for enabled wchar_t specializations" >&5
     if test x"$ac_isoC99_wchar_t" = xyes \
        && test x"$ac_XPG2_wchar_t" = xyes; then
       libinst_wstring_la="libinst-wstring.la"
@@ -15007,12 +15115,12 @@ EOF
   for ac_func in strtof
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15011: checking for $ac_func" >&5
+echo "configure:15119: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15016 "configure"
+#line 15124 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15035,7 +15143,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15039: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15147: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15061,7 +15169,7 @@ done
 
   
   echo $ac_n "checking for strtold declaration""... $ac_c" 1>&6
-echo "configure:15065: checking for strtold declaration" >&5
+echo "configure:15173: checking for strtold declaration" >&5
   if test x${glibcpp_cv_func_strtold_use+set} != xset; then
     if eval "test \"`echo '$''{'glibcpp_cv_func_strtold_use'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
@@ -15076,14 +15184,14 @@ ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftes
 cross_compiling=$ac_cv_prog_cxx_cross
 
       cat > conftest.$ac_ext <<EOF
-#line 15080 "configure"
+#line 15188 "configure"
 #include "confdefs.h"
 #include <stdlib.h>
 int main() {
  strtold(0, 0);
 ; return 0; }
 EOF
-if { (eval echo configure:15087: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:15195: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   glibcpp_cv_func_strtold_use=yes
 else
@@ -15109,12 +15217,12 @@ fi
     for ac_func in strtold
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15113: checking for $ac_func" >&5
+echo "configure:15221: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15118 "configure"
+#line 15226 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15137,7 +15245,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15141: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15249: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15171,17 +15279,17 @@ done
 do
 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
-echo "configure:15175: checking for $ac_hdr" >&5
+echo "configure:15283: checking for $ac_hdr" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15180 "configure"
+#line 15288 "configure"
 #include "confdefs.h"
 #include <$ac_hdr>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15185: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15293: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15210,12 +15318,12 @@ done
 for ac_func in getpagesize
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:15214: checking for $ac_func" >&5
+echo "configure:15322: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15219 "configure"
+#line 15327 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
@@ -15238,7 +15346,7 @@ $ac_func();
 
 ; return 0; }
 EOF
-if { (eval echo configure:15242: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15350: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
@@ -15263,7 +15371,7 @@ fi
 done
 
 echo $ac_n "checking for working mmap""... $ac_c" 1>&6
-echo "configure:15267: checking for working mmap" >&5
+echo "configure:15375: checking for working mmap" >&5
 if eval "test \"`echo '$''{'ac_cv_func_mmap_fixed_mapped'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -15271,7 +15379,7 @@ else
   ac_cv_func_mmap_fixed_mapped=no
 else
   cat > conftest.$ac_ext <<EOF
-#line 15275 "configure"
+#line 15383 "configure"
 #include "confdefs.h"
 
 /* Thanks to Mike Haertel and Jim Avera for this test.
@@ -15411,7 +15519,7 @@ main()
 }
 
 EOF
-if { (eval echo configure:15415: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
+if { (eval echo configure:15523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null
 then
   ac_cv_func_mmap_fixed_mapped=yes
 else
@@ -15528,17 +15636,17 @@ rm -f confcache
 
   ac_safe=`echo "locale.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for locale.h""... $ac_c" 1>&6
-echo "configure:15532: checking for locale.h" >&5
+echo "configure:15640: checking for locale.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15537 "configure"
+#line 15645 "configure"
 #include "confdefs.h"
 #include <locale.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:15542: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:15650: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
@@ -15556,19 +15664,19 @@ if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   
     echo $ac_n "checking for LC_MESSAGES""... $ac_c" 1>&6
-echo "configure:15560: checking for LC_MESSAGES" >&5
+echo "configure:15668: checking for LC_MESSAGES" >&5
 if eval "test \"`echo '$''{'ac_cv_val_LC_MESSAGES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 15565 "configure"
+#line 15673 "configure"
 #include "confdefs.h"
 #include <locale.h>
 int main() {
 return LC_MESSAGES
 ; return 0; }
 EOF
-if { (eval echo configure:15572: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:15680: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   ac_cv_val_LC_MESSAGES=yes
 else
@@ -15610,13 +15718,13 @@ INTERFACE=v3
 
 
 echo $ac_n "checking for interface version number""... $ac_c" 1>&6
-echo "configure:15614: checking for interface version number" >&5
+echo "configure:15722: checking for interface version number" >&5
 libstdcxx_interface=$INTERFACE
 echo "$ac_t""$libstdcxx_interface" 1>&6
 
 # Process the option --with-gxx-include-dir=<path to include-files directory>
 echo $ac_n "checking for --with-gxx-include-dir""... $ac_c" 1>&6
-echo "configure:15620: checking for --with-gxx-include-dir" >&5
+echo "configure:15728: checking for --with-gxx-include-dir" >&5
 # Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
 if test "${with_gxx_include_dir+set}" = set; then
   withval="$with_gxx_include_dir"
@@ -15640,7 +15748,7 @@ echo "$ac_t""$gxx_include_dir" 1>&6
 
 # Process the option "--enable-version-specific-runtime-libs"
 echo $ac_n "checking for --enable-version-specific-runtime-libs""... $ac_c" 1>&6
-echo "configure:15644: checking for --enable-version-specific-runtime-libs" >&5
+echo "configure:15752: checking for --enable-version-specific-runtime-libs" >&5
 # Check whether --enable-version-specific-runtime-libs or --disable-version-specific-runtime-libs was given.
 if test "${enable_version_specific_runtime_libs+set}" = set; then
   enableval="$enable_version_specific_runtime_libs"
@@ -15672,7 +15780,7 @@ fi
 echo "$ac_t""$version_specific_libs" 1>&6
 
 echo $ac_n "checking for install location""... $ac_c" 1>&6
-echo "configure:15676: checking for install location" >&5
+echo "configure:15784: checking for install location" >&5
 if test x"$version_specific_libs" = x"no" \
    && test x"$gxx_include_dir"=x"no"; then
   gxx_include_dir=${prefix}/include/g++-${libstdcxx_interface}