re PR libstdc++/13296 (unnecessary libunwind support in libstdc++-v3)

2003-12-09  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/13296
	* acinclude.m4 (GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS): Remove.
	* aclocal.m4: Regenerate.
	* configure.ac: Remove call to GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS.
	* conigure: Regenerate.
	* src/Makefile.am (libstdc___la_LDFLAGS): Remove LIBUNWIND_FLAGS.
	* src/Makefile.in: Regenerate.
	* docs/html/17_intro/configury.html: Modify.

From-SVN: r74479

14 files changed, 19 insertions, 103 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index be6c8ab..6434d66 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,14 @@
+2003-12-09  Benjamin Kosnik  <bkoz@redhat.com>
+
+	PR libstdc++/13296
+	* acinclude.m4 (GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS): Remove.
+	* aclocal.m4: Regenerate.
+	* configure.ac: Remove call to GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS.
+	* conigure: Regenerate.
+	* src/Makefile.am (libstdc___la_LDFLAGS): Remove LIBUNWIND_FLAGS.
+	* src/Makefile.in: Regenerate.
+	* docs/html/17_intro/configury.html: Modify.
+	
 2003-12-09  Paolo Carlini  <pcaelini@suse.de>
 	
 	* include/bits/demangle.h (struct implementation_details):
@@ -5757,7 +5768,8 @@
 
 2003-04-09  Benjamin Kosnik  <bkoz@redhat.com>
 
-	Reshuffle 27_io testsuite.  * testsuite/27_io/filebuf.cc,
+	Reshuffle 27_io testsuite.  
+	* testsuite/27_io/filebuf.cc,
 	filebuf_members-1.tst, filebuf_members-1.txt, filebuf_members.cc,
 	filebuf_virtuals-1.tst, filebuf_virtuals-1.txt,
 	filebuf_virtuals-2.tst, filebuf_virtuals-3.tst,
diff --git a/libstdc++-v3/Makefile.in b/libstdc++-v3/Makefile.in
index db12dba..084c9ec 100644
--- a/libstdc++-v3/Makefile.in
+++ b/libstdc++-v3/Makefile.in
@@ -108,7 +108,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4
index 7455b69..f124358 100644
--- a/libstdc++-v3/acinclude.m4
+++ b/libstdc++-v3/acinclude.m4
@@ -1348,33 +1348,6 @@ AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
 
 
 dnl
-dnl Check for libunwind exception handling support.  If enabled, then
-dnl we assume that the _Unwind_* functions that make up the Unwind ABI
-dnl (_Unwind_RaiseException, _Unwind_Resume, etc.) are defined by
-dnl libunwind instead of libgcc, and that libstdc++ has a dependency
-dnl on libunwind as well as libgcc.
-dnl
-dnl --enable-libunwind-exceptions forces the use of libunwind.
-dnl --disable-libunwind-exceptions assumes there is no libunwind.
-dnl
-dnl Substs:
-dnl  LIBUNWIND_FLAG
-dnl
-AC_DEFUN(GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS, [
-  AC_MSG_CHECKING([for use of libunwind])
-  GLIBCXX_ENABLE(libunwind-exceptions,no,,
-    [force use of libunwind for exceptions])
-  AC_MSG_RESULT($use_libunwind_exceptions)
-  if test $enable_libunwind_exceptions = yes; then
-    LIBUNWIND_FLAG="-lunwind"
-  else
-    LIBUNWIND_FLAG=""
-  fi
-  AC_SUBST(LIBUNWIND_FLAG)
-])
-
-
-dnl
 dnl Check for template specializations for the 'long long' type extension.
 dnl The result determines only whether 'long long' I/O is enabled; things
 dnl like numeric_limits<> specializations are always available.
diff --git a/libstdc++-v3/aclocal.m4 b/libstdc++-v3/aclocal.m4
index e1f2b11..a0aeed2 100644
--- a/libstdc++-v3/aclocal.m4
+++ b/libstdc++-v3/aclocal.m4
@@ -1361,33 +1361,6 @@ AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
 
 
 dnl
-dnl Check for libunwind exception handling support.  If enabled, then
-dnl we assume that the _Unwind_* functions that make up the Unwind ABI
-dnl (_Unwind_RaiseException, _Unwind_Resume, etc.) are defined by
-dnl libunwind instead of libgcc, and that libstdc++ has a dependency
-dnl on libunwind as well as libgcc.
-dnl
-dnl --enable-libunwind-exceptions forces the use of libunwind.
-dnl --disable-libunwind-exceptions assumes there is no libunwind.
-dnl
-dnl Substs:
-dnl  LIBUNWIND_FLAG
-dnl
-AC_DEFUN(GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS, [
-  AC_MSG_CHECKING([for use of libunwind])
-  GLIBCXX_ENABLE(libunwind-exceptions,no,,
-    [force use of libunwind for exceptions])
-  AC_MSG_RESULT($use_libunwind_exceptions)
-  if test $enable_libunwind_exceptions = yes; then
-    LIBUNWIND_FLAG="-lunwind"
-  else
-    LIBUNWIND_FLAG=""
-  fi
-  AC_SUBST(LIBUNWIND_FLAG)
-])
-
-
-dnl
 dnl Check for template specializations for the 'long long' type extension.
 dnl The result determines only whether 'long long' I/O is enabled; things
 dnl like numeric_limits<> specializations are always available.
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 07d6b16..ca6ec97 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -308,7 +308,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO AMTAR install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM AWK SET_MAKE am__leading_dot glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBTOOL CXXCPP CPPFLAGS enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE LIBUNWIND_FLAG GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC CPP EGREP check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CCODECVT_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE glibcxx_thread_h DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS SYMVER_MAP port_specific_symbol_files GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE GLIBCXX_BUILD_VERSIONED_SHLIB_FALSE baseline_dir GLIBCXX_TEST_WCHAR_T_TRUE GLIBCXX_TEST_WCHAR_T_FALSE GLIBCXX_TEST_ABI_TRUE GLIBCXX_TEST_ABI_FALSE ATOMICITY_INC_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO AMTAR install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM AWK SET_MAKE am__leading_dot glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBTOOL CXXCPP CPPFLAGS enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC CPP EGREP check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CCODECVT_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE glibcxx_thread_h DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS SYMVER_MAP port_specific_symbol_files GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE GLIBCXX_BUILD_VERSIONED_SHLIB_FALSE baseline_dir GLIBCXX_TEST_WCHAR_T_TRUE GLIBCXX_TEST_WCHAR_T_FALSE GLIBCXX_TEST_ABI_TRUE GLIBCXX_TEST_ABI_FALSE ATOMICITY_INC_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -855,9 +855,6 @@ Optional Features:
   --enable-sjlj-exceptions
                           force use of builtin_setjmp for exceptions
                           [default=auto]
-  --enable-libunwind-exceptions
-                          force use of libunwind for exceptions
-                          [default=no]
   --enable-libstdcxx-pch  build pre-compiled libstdc++ headers
                           [default=$is_hosted]
   --enable-cstdio=PACKAGE use target-specific I/O package
@@ -4269,7 +4266,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
 case $host in
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4272 "configure"' > conftest.$ac_ext
+  echo '#line 4269 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -4873,7 +4870,7 @@ fi;
     #
     # Fake what AC_TRY_COMPILE does.  XXX Look at redoing this new-style.
     cat > conftest.$ac_ext << EOF
-#line 4876 "configure"
+#line 4873 "configure"
 struct S { ~S(); };
 void bar();
 void foo()
@@ -4929,33 +4926,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 echo "${ECHO_T}$ac_exception_model_name" >&6
 
 
-  echo "$as_me:$LINENO: checking for use of libunwind" >&5
-echo $ECHO_N "checking for use of libunwind... $ECHO_C" >&6
-   # Check whether --enable-libunwind-exceptions or --disable-libunwind-exceptions was given.
-if test "${enable_libunwind_exceptions+set}" = set; then
-  enableval="$enable_libunwind_exceptions"
-
-      case "$enableval" in
-       yes|no) ;;
-       *) { { echo "$as_me:$LINENO: error: Argument to enable/disable libunwind-exceptions must be yes or no" >&5
-echo "$as_me: error: Argument to enable/disable libunwind-exceptions must be yes or no" >&2;}
-   { (exit 1); exit 1; }; } ;;
-      esac
-
-else
-  enable_libunwind_exceptions=no
-fi;
-
-  echo "$as_me:$LINENO: result: $use_libunwind_exceptions" >&5
-echo "${ECHO_T}$use_libunwind_exceptions" >&6
-  if test $enable_libunwind_exceptions = yes; then
-    LIBUNWIND_FLAG="-lunwind"
-  else
-    LIBUNWIND_FLAG=""
-  fi
-
-
-
   echo "$as_me:$LINENO: checking for enabled PCH" >&5
 echo $ECHO_N "checking for enabled PCH... $ECHO_C" >&6
    # Check whether --enable-libstdcxx-pch or --disable-libstdcxx-pch was given.
@@ -62630,7 +62600,6 @@ s,@enable_shared@,$enable_shared,;t t
 s,@enable_static@,$enable_static,;t t
 s,@GLIBCXX_HOSTED_TRUE@,$GLIBCXX_HOSTED_TRUE,;t t
 s,@GLIBCXX_HOSTED_FALSE@,$GLIBCXX_HOSTED_FALSE,;t t
-s,@LIBUNWIND_FLAG@,$LIBUNWIND_FLAG,;t t
 s,@GLIBCXX_BUILD_PCH_TRUE@,$GLIBCXX_BUILD_PCH_TRUE,;t t
 s,@GLIBCXX_BUILD_PCH_FALSE@,$GLIBCXX_BUILD_PCH_FALSE,;t t
 s,@glibcxx_PCHFLAGS@,$glibcxx_PCHFLAGS,;t t
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index b71117b9..fc635b8 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -77,7 +77,6 @@ GLIBCXX_ENABLE_HOSTED
 
 # Check for support bits and g++ features that don't require linking.
 GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
-GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS
 GLIBCXX_ENABLE_PCH($is_hosted)
 
 # Enable all the variable C++ runtime options.  
diff --git a/libstdc++-v3/docs/html/17_intro/configury.html b/libstdc++-v3/docs/html/17_intro/configury.html
index 648e406..d099e59 100644
--- a/libstdc++-v3/docs/html/17_intro/configury.html
+++ b/libstdc++-v3/docs/html/17_intro/configury.html
@@ -165,7 +165,6 @@ Last Question</a>, by Isaac Asimov
     GLIBCXX_ENABLE_C_MBCHAR
     GLIBCXX_ENABLE_DEBUG
     GLIBCXX_ENABLE_DEBUG_FLAGS
-    GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS
     GLIBCXX_ENABLE_LONG_LONG
     GLIBCXX_ENABLE_PCH
     GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
diff --git a/libstdc++-v3/include/Makefile.in b/libstdc++-v3/include/Makefile.in
index 36b9c92..8fdc4c0 100644
--- a/libstdc++-v3/include/Makefile.in
+++ b/libstdc++-v3/include/Makefile.in
@@ -108,7 +108,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
@@ -525,9 +524,9 @@ debug_headers = \
 # For --enable-cheaders=c_std
 @GLIBCXX_C_HEADERS_C_STD_TRUE@c_base_headers_extra = ${c_base_srcdir}/cmath.tcc
 @GLIBCXX_C_HEADERS_C_STD_FALSE@c_base_headers_extra = 
+@GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE@c_compatibility_headers_extra = 
 
 @GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE@c_compatibility_headers_extra = ${c_compatibility_headers}
-@GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE@c_compatibility_headers_extra = 
 
 host_srcdir = ${glibcxx_srcdir}/$(OS_INC_SRCDIR)
 host_builddir = ./${host_alias}/bits
diff --git a/libstdc++-v3/libmath/Makefile.in b/libstdc++-v3/libmath/Makefile.in
index 1a99f53..199235f 100644
--- a/libstdc++-v3/libmath/Makefile.in
+++ b/libstdc++-v3/libmath/Makefile.in
@@ -110,7 +110,6 @@ LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 
 # Only compiling "C" sources in this directory.
 LIBTOOL = @LIBTOOL@ --tag CC
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
diff --git a/libstdc++-v3/libsupc++/Makefile.in b/libstdc++-v3/libsupc++/Makefile.in
index 98c027a..a6da613 100644
--- a/libstdc++-v3/libsupc++/Makefile.in
+++ b/libstdc++-v3/libsupc++/Makefile.in
@@ -108,7 +108,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
diff --git a/libstdc++-v3/po/Makefile.in b/libstdc++-v3/po/Makefile.in
index cc3f434..c61b4b0 100644
--- a/libstdc++-v3/po/Makefile.in
+++ b/libstdc++-v3/po/Makefile.in
@@ -108,7 +108,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
diff --git a/libstdc++-v3/src/Makefile.am b/libstdc++-v3/src/Makefile.am
index 701d520..a0d0187 100644
--- a/libstdc++-v3/src/Makefile.am
+++ b/libstdc++-v3/src/Makefile.am
@@ -141,8 +141,7 @@ libstdc___la_LIBADD = \
 libstdc___la_DEPENDENCIES = ${version_dep} $(libstdc___la_LIBADD)
 
 libstdc___la_LDFLAGS = \
-	-version-info $(libtool_VERSION) ${version_arg} \
-	-lm $(LIBUNWIND_FLAG)
+	-version-info $(libtool_VERSION) ${version_arg} -lm 
 
 
 # Use special rules for the deprecated source files so that they find
diff --git a/libstdc++-v3/src/Makefile.in b/libstdc++-v3/src/Makefile.in
index b05cf67..c599363 100644
--- a/libstdc++-v3/src/Makefile.in
+++ b/libstdc++-v3/src/Makefile.in
@@ -109,7 +109,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
@@ -298,8 +297,7 @@ libstdc___la_LIBADD = \
 libstdc___la_DEPENDENCIES = ${version_dep} $(libstdc___la_LIBADD)
 
 libstdc___la_LDFLAGS = \
-	-version-info $(libtool_VERSION) ${version_arg} \
-	-lm $(LIBUNWIND_FLAG)
+	-version-info $(libtool_VERSION) ${version_arg} -lm 
 
 
 # Use special rules for the deprecated source files so that they find
diff --git a/libstdc++-v3/testsuite/Makefile.in b/libstdc++-v3/testsuite/Makefile.in
index afef52f..ca3f4f7 100644
--- a/libstdc++-v3/testsuite/Makefile.in
+++ b/libstdc++-v3/testsuite/Makefile.in
@@ -108,7 +108,6 @@ LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
 LIBSUPCXX_PICFLAGS = @LIBSUPCXX_PICFLAGS@
 LIBTOOL = @LIBTOOL@
-LIBUNWIND_FLAG = @LIBUNWIND_FLAG@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@