configure.in: Remove target-libstdc++-v3 from noconfigdirs for *-*-netware...

/
        * configure.in: Remove target-libstdc++-v3 from noconfigdirs for
        *-*-netware, but add target-libmudflap.
        Consolidate *-*-netware targets (of which really only i?86 exists)
        into a single entry.
        * configure: Likewise.
gcc/
        * config.gcc: Resurrect NetWare as a target. Handle special case of
        Novell linker to be used (specified through --with-ld=) and threading
        model of either Posix (default) or NKS.
        * config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
        of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
        * config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
        * config/i386/netware.c, config/i386/netware.h: New.
        * config/i386/nwld.c, config/i386/nwld.h: New.
        * config/i386/netware-crt0.c: New.
        * config/i386/netware-libgcc.c: New.
        * config/i386/netware-libgcc.def: New.
        * config/i386/netware-libgcc.exp: New.
        * config/i386/t-netware, config/i386/t-nwld: New.
        * gthr-nks.h: New.
        * doc/install.texi: Document NKS threading model.
gcc/cp/
        * g++spec.c (MATH_LIBRARY_PROFILE): Default to MATH_LIBRARY rather
        than "-lm".
gcc/testsuite/
        * g++.dg/abi/bitfield5.C: Use -mno-ms-bitfields.
        * g++.old-deja/g++.jason/thunk2.C: xfail for NetWare.
        * g++.old-deja/g++.law/profile1.C: xfail for NetWare.
        * g++.old-deja/g++.other/store-expr1.C: xfail for NetWare.
        * gcc.c-torture/compile/20001109-1.c: xfail for NetWare.
        * gcc.c-torture/compile/20001109-2.c: xfail for NetWare.
        * gcc.c-torture/execute/multi-ix.c: Use __builtin_bzero rather than
        the non-portable bzero.
        * gcc.dg/20010912-1.c: xfail for NetWare.
        * gcc.dg/20020426-2.c: xfail for NetWare.
        * gcc.dg/20021014-1.c: xfail for NetWare.
        * gcc.dg/20021018-1.c: xfail for NetWare.
        * gcc.dg/20030213-1.c: xfail for NetWare.
        * gcc.dg/20030225-1.c: xfail for NetWare.
        * gcc.dg/20030708-1.c: xfail for NetWare.
        * gcc.dg/builtins-config.h: Also exclude NetWare.
        * gcc.dg/format/format.h: Define restrict only if not already defined.
        * gcc.dg/nest.c: xfail for NetWare.
        * gcc.dg/special/gcsec-1.c: Don't pass -static for NetWare.
        * lib/target-supports.exp (check_visibility_available): Exclude
        NetWare.
fixincludes/
        * inclhack.def: Suppress exception_structure and math_exception
        for NetWare headers.
        * fixincl.x: Regenerate.
libstdc++-v3/
        * crossconfig.m4: Add NetWare as a target.
        * configure: Regenerate.

From-SVN: r87040

47 files changed, 4048 insertions, 22 deletions

diff --git a/ChangeLog b/ChangeLog
index 67219a0..a7faeea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
+	* configure.in: Remove target-libstdc++-v3 from noconfigdirs for
+	*-*-netware, but add target-libmudflap.
+	Consolidate *-*-netware targets (of which really only i?86 exists)
+	into a single entry.
+	* configure: Likewise.
+
 2004-09-01  Paolo Bonzini  <bonzini@gnu.org>
 
 	* Makefile.tpl (sorry): Remove.
diff --git a/configure b/configure
index c021b71..4a507f3 100755
--- a/configure
+++ b/configure
@@ -1203,8 +1203,8 @@ case "${target}" in
 	;;
     esac
     ;;
-  *-*-netware)
-    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
+  *-*-netware*)
+    noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
     ;;
   *-*-rtems*)
     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
@@ -2636,10 +2636,7 @@ extra_nmflags_for_target=
 extra_ranlibflags_for_target=
 target_makefile_frag=/dev/null
 case "${target}" in
-  i[3456789]86-*-netware*)
-    target_makefile_frag="config/mt-netware"
-    ;;
-  powerpc-*-netware*)
+  *-*-netware*)
     target_makefile_frag="config/mt-netware"
     ;;
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
diff --git a/configure.in b/configure.in
index 546879a..3354db1 100644
--- a/configure.in
+++ b/configure.in
@@ -419,8 +419,8 @@ case "${target}" in
 	;;
     esac
     ;;
-  *-*-netware)
-    noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
+  *-*-netware*)
+    noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
     ;;
   *-*-rtems*)
     noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
@@ -1441,10 +1441,7 @@ extra_nmflags_for_target=
 extra_ranlibflags_for_target=
 target_makefile_frag=/dev/null
 case "${target}" in
-  i[[3456789]]86-*-netware*)
-    target_makefile_frag="config/mt-netware"
-    ;;
-  powerpc-*-netware*)
+  *-*-netware*)
     target_makefile_frag="config/mt-netware"
     ;;
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
diff --git a/fixincludes/ChangeLog b/fixincludes/ChangeLog
index 0d09aec..f22c4e1 100644
--- a/fixincludes/ChangeLog
+++ b/fixincludes/ChangeLog
@@ -1,3 +1,9 @@
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
+	* inclhack.def: Suppress exception_structure and math_exception
+	for NetWare headers.
+	* fixincl.x: Regenerate.
+
 2004-08-31  Paolo Bonzini  <bonzini@gnu.org>
 
 	* .cvsignore: New.
diff --git a/fixincludes/fixincl.x b/fixincludes/fixincl.x
index d309cfa..86032ab 100644
--- a/fixincludes/fixincl.x
+++ b/fixincludes/fixincl.x
@@ -1812,7 +1812,7 @@ tSCC zException_StructureSelect0[] =
  *  content bypass pattern - skip fix if pattern found
  */
 tSCC zException_StructureBypass0[] =
-       "matherr.*(struct exception|__MATH_EXCEPTION)";
+       "matherr.*(struct exception|__MATH_EXCEPTION|[ \\t]*__FP_EXCEPTION[ \\t]*\\*[ \\t]*)";
 
 #define    EXCEPTION_STRUCTURE_TEST_CT  2
 static tTestDesc aException_StructureTests[] = {
@@ -3503,7 +3503,7 @@ tSCC zMath_ExceptionSelect0[] =
  *  content bypass pattern - skip fix if pattern found
  */
 tSCC zMath_ExceptionBypass0[] =
-       "We have a problem when using C\\+\\+";
+       "We have a problem when using C\\+\\+|for C\\+\\+, _[a-z0-9A-Z_]+_exception; for C, exception";
 
 #define    MATH_EXCEPTION_TEST_CT  2
 static tTestDesc aMath_ExceptionTests[] = {
diff --git a/fixincludes/inclhack.def b/fixincludes/inclhack.def
index b6c9795..537155c 100644
--- a/fixincludes/inclhack.def
+++ b/fixincludes/inclhack.def
@@ -1054,7 +1054,7 @@ fix = {
     files     = math.h;
 
     /*  If matherr has a prototype already, the header needs no fix.  */
-    bypass    = 'matherr.*(struct exception|__MATH_EXCEPTION)';
+    bypass    = 'matherr.*(struct exception|__MATH_EXCEPTION|[ \t]*__FP_EXCEPTION[ \t]*\*[ \t]*)';
     select    = matherr;
 
     c_fix     = wrap;
@@ -1950,7 +1950,7 @@ fix = {
      * exception either.  So currently we bypass only for glibc, based on a
      * comment in the fixed glibc header.  Ick.
      */
-    bypass    = 'We have a problem when using C\+\+';
+    bypass    = 'We have a problem when using C\+\+|for C\+\+, _[a-z0-9A-Z_]+_exception; for C, exception';
     c_fix     = wrap;
 
     c_fix_arg = "#ifdef __cplusplus\n"
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 23735e6..30a2cbd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -6,6 +6,24 @@
 
 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 
+	* config.gcc: Resurrect NetWare as a target. Handle special case of
+	Novell linker to be used (specified through --with-ld=) and threading
+	model of either Posix (default) or NKS.
+	* config/i386/i386.c (ix86_return_pops_args): Conditionalize popping
+	of incoming hidden argument on KEEP_AGGREGATE_RETURN_POINTER.
+	* config/i386/i386.h (KEEP_AGGREGATE_RETURN_POINTER): New.
+	* config/i386/netware.c, config/i386/netware.h: New.
+	* config/i386/nwld.c, config/i386/nwld.h: New.
+	* config/i386/netware-crt0.c: New.
+	* config/i386/netware-libgcc.c: New.
+	* config/i386/netware-libgcc.def: New.
+	* config/i386/netware-libgcc.exp: New.
+	* config/i386/t-netware, config/i386/t-nwld: New.
+	* gthr-nks.h: New.
+	* doc/install.texi: Document NKS threading model.
+
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
 	PR c/7054
 	* defaults.h (TARGET_DEFAULT_PACK_STRUCT): Provide default.
 	* tree.h (initial_max_fld_align): Declare
diff --git a/gcc/config.gcc b/gcc/config.gcc
index b87467e8..79c5e87 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -970,6 +970,25 @@ i[34567]86-*-lynxos*)
 	gnu_ld=yes
 	gas=yes
 	;;
+i[3456x]86-*-netware*)
+	tm_file="${tm_file} i386/unix.h i386/att.h elfos.h svr4.h tm-dwarf2.h i386/netware.h"
+ 	tmake_file=i386/t-netware
+	extra_objs=netware.o
+	case /${with_ld} in
+	*/nwld)
+		extra_objs="$extra_objs nwld.o"
+		tm_file="${tm_file} i386/nwld.h"
+	 	tmake_file="${tmake_file} i386/t-nwld"
+		extra_parts="crt0.o libgcc.def libc.def libcpre.def posixpre.def"
+		;;
+	esac
+	case x${enable_threads} in
+	x | xyes | xposix) thread_file='posix';;
+	xnks) thread_file='nks';;
+	xno) ;;
+	*) echo 'Unknown thread configuration for NetWare' >&2; exit 1;;
+	esac
+	;;
 i[34567]86-*-nto-qnx*)
 	tm_file="${tm_file} i386/att.h dbxelf.h tm-dwarf2.h elfos.h svr4.h i386/unix.h i386/nto.h"
 	tmake_file=i386/t-nto
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 3e2eef7..f50b81b 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -1875,7 +1875,8 @@ ix86_return_pops_args (tree fundecl, tree funtype, int size)
 
   /* Lose any fake structure return argument if it is passed on the stack.  */
   if (aggregate_value_p (TREE_TYPE (funtype), fundecl)
-      && !TARGET_64BIT)
+      && !TARGET_64BIT
+      && !KEEP_AGGREGATE_RETURN_POINTER)
     {
       int nregs = ix86_function_regparm (funtype, fundecl);
 
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 38d5075..c786080 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1243,6 +1243,8 @@ do {									\
 /* This is overridden by <cygwin.h>.  */
 #define MS_AGGREGATE_RETURN 0
 
+/* This is overridden by <netware.h>.  */
+#define KEEP_AGGREGATE_RETURN_POINTER 0
 
 /* Define the classes of registers for register constraints in the
    machine description.  Also define ranges of constants.
diff --git a/gcc/config/i386/netware-crt0.c b/gcc/config/i386/netware-crt0.c
new file mode 100644
index 0000000..b553f3d
--- /dev/null
+++ b/gcc/config/i386/netware-crt0.c
@@ -0,0 +1,77 @@
+/* Startup routines for NetWare.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <stddef.h>
+#include <stdint.h>
+#include "unwind-dw2-fde.h"
+
+
+#define SECTION_DECL(name, decl) decl __attribute__((__section__(name)))
+
+SECTION_DECL(".ctors",   void(*const __CTOR_LIST__)(void))
+  = (void(*)(void))(intptr_t)-1;
+SECTION_DECL(".ctors$_", void(*const __CTOR_END__)(void)) = NULL;
+
+SECTION_DECL(".dtors",   void(*const __DTOR_LIST__)(void))
+  = (void(*)(void))(intptr_t)-1;
+SECTION_DECL(".dtors$_", void(*const __DTOR_END__)(void)) = NULL;
+
+/* No need to use the __[de]register_frame_info_bases functions since
+   for us the bases are NULL always anyway. */
+void __register_frame_info (const void *, struct object *)
+  __attribute__((__weak__));
+void *__deregister_frame_info (const void *) __attribute__((__weak__));
+
+SECTION_DECL(".eh_frame", /*const*/ uint32_t __EH_FRAME_BEGIN__[]) = { };
+SECTION_DECL(".eh_frame$_", /*const*/ uint32_t __EH_FRAME_END__[]) = {0};
+
+int
+__init_environment (void *unused __attribute__((__unused__)))
+{
+  void (* const * pctor)(void);
+  static struct object object;
+
+  if (__register_frame_info)
+    __register_frame_info (__EH_FRAME_BEGIN__, &object);
+
+  for (pctor = &__CTOR_END__ - 1; pctor > &__CTOR_LIST__; --pctor)
+    if (*pctor != NULL)
+      pctor();
+
+  return 0;
+}
+
+int
+__deinit_environment (void *unused __attribute__((__unused__)))
+{
+  /* This should be static to prevent calling the same destructor
+     twice (just in case where we get here multiple times).  */
+  static void (* const * pdtor)(void) = &__DTOR_LIST__ + 1;
+
+  while (pdtor < &__DTOR_END__)
+    if (*pdtor++ != NULL)
+      pdtor[-1] ();
+
+  if (__deregister_frame_info)
+    __deregister_frame_info(__EH_FRAME_BEGIN__);
+
+  return 0;
+}
diff --git a/gcc/config/i386/netware-libgcc.c b/gcc/config/i386/netware-libgcc.c
new file mode 100644
index 0000000..585572b
--- /dev/null
+++ b/gcc/config/i386/netware-libgcc.c
@@ -0,0 +1,59 @@
+/* Startup code for libgcc_s.nlm, necessary because we can't allow
+   libgcc_s to use libc's malloc & Co., which associate allocations
+   with the NLM owning the current (application) thread.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include <netware.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <windows.h>
+
+static rtag_t allocRTag;
+
+BOOL
+DllMain (HINSTANCE libraryId __attribute__ ((__unused__)),
+	 DWORD reason, void *hModule)
+{
+  switch (reason)
+    {
+    case DLL_NLM_STARTUP:
+      allocRTag = AllocateResourceTag (hModule,
+				       "libgcc memory", AllocSignature);
+      return allocRTag != NULL;
+    case DLL_NLM_SHUTDOWN:
+      /* This does not recover resources associated with the tag...
+         ReturnResourceTag (allocRTag, 0); */
+      break;
+    }
+  return 1;
+}
+
+void *
+malloc (size_t size)
+{
+  return AllocSleepOK (size, allocRTag, NULL);
+}
+
+void
+free (void *ptr)
+{
+  Free (ptr);
+}
diff --git a/gcc/config/i386/netware-libgcc.def b/gcc/config/i386/netware-libgcc.def
new file mode 100644
index 0000000..5d2ee92
--- /dev/null
+++ b/gcc/config/i386/netware-libgcc.def
@@ -0,0 +1,2 @@
+description "gcc runtime and intrinsics support"
+copyright "Copyright (C) 1989-2004  Free Software Foundation, Inc."
diff --git a/gcc/config/i386/netware-libgcc.exp b/gcc/config/i386/netware-libgcc.exp
new file mode 100644
index 0000000..dfe11f7
--- /dev/null
+++ b/gcc/config/i386/netware-libgcc.exp
@@ -0,0 +1,62 @@
+# libgcc_s.nlm exports
+	(libgcc2),
+	__absvdi2,
+	__absvsi2,
+	__addvdi3,
+	__addvsi3,
+#	__ashldi3,
+#	__ashrdi3,
+	__clzdi2,
+	__clzsi2,
+	__ctzdi2,
+	__ctzsi2,
+	__deregister_frame,
+	__deregister_frame_info,
+	__deregister_frame_info_bases,
+#	__divdi3,
+	__ffsdi2,
+	__ffssi2,
+	__fixunsdfdi,
+	__fixunssfdi,
+#	__fixunstfdi,
+	__fixunsxfdi,
+	__gcc_bcmp,
+	__gcc_personality_v0,
+#	__lshrdi3,
+#	__moddi3,
+#	__muldi3,
+	__mulvdi3,
+	__mulvsi3,
+	__negvdi2,
+	__negvsi2,
+	__paritydi2,
+	__paritysi2,
+	__popcountdi2,
+	__popcountsi2,
+	__register_frame,
+	__register_frame_info,
+	__register_frame_info_bases,
+	__register_frame_info_table,
+	__register_frame_info_table_bases,
+	__register_frame_table,
+	__subvdi3,
+	__subvsi3,
+#	__umoddi3,
+#	__udivdi3,
+	_Unwind_Backtrace,
+	_Unwind_DeleteException,
+	_Unwind_FindEnclosingFunction,
+	_Unwind_Find_FDE,
+	_Unwind_ForcedUnwind,
+	_Unwind_GetCFA,
+	_Unwind_GetDataRelBase,
+	_Unwind_GetGR,
+	_Unwind_GetIP,
+	_Unwind_GetLanguageSpecificData,
+	_Unwind_GetRegionStart,
+	_Unwind_GetTextRelBase,
+	_Unwind_RaiseException,
+	_Unwind_Resume,
+	_Unwind_Resume_or_Rethrow,
+	_Unwind_SetGR,
+	_Unwind_SetIP
diff --git a/gcc/config/i386/netware.c b/gcc/config/i386/netware.c
new file mode 100644
index 0000000..48985c1
--- /dev/null
+++ b/gcc/config/i386/netware.c
@@ -0,0 +1,209 @@
+/* Subroutines for insn-output.c for NetWare.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl.h"
+#include "regs.h"
+#include "hard-reg-set.h"
+#include "output.h"
+#include "tree.h"
+#include "flags.h"
+#include "tm_p.h"
+#include "toplev.h"
+#include "ggc.h"
+
+
+/* Return string which is the former assembler name modified with an 
+   underscore prefix and a suffix consisting of an atsign (@) followed
+   by the number of bytes of arguments */
+
+static const char *
+gen_stdcall_decoration (tree decl)
+{
+  unsigned total = 0;
+  /* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
+     of DECL_ASSEMBLER_NAME.  */
+  const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+  char *newsym;
+
+  if (TYPE_ARG_TYPES (TREE_TYPE (decl)))
+    if (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (decl))))
+        == void_type_node)
+      {
+	tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
+
+	/* Quit if we hit an incomplete type.  Error is reported
+	   by convert_arguments in c-typeck.c or cp/typeck.c.  */
+	while (TREE_VALUE (formal_type) != void_type_node
+	       && COMPLETE_TYPE_P (TREE_VALUE (formal_type)))	
+	  {
+	    unsigned parm_size
+	      = TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
+	    /* Must round up to include padding.  This is done the same
+	       way as in store_one_arg.  */
+	    parm_size = ((parm_size + PARM_BOUNDARY - 1)
+			 / PARM_BOUNDARY * PARM_BOUNDARY);
+	    total += parm_size;
+	    formal_type = TREE_CHAIN (formal_type);
+	  }
+      }
+
+  newsym = alloca (1 + strlen (asmname) + 1 + 10 + 1);
+  return IDENTIFIER_POINTER (get_identifier_with_length (newsym,
+	sprintf (newsym, "_%s@%u", asmname, total / BITS_PER_UNIT)));
+}
+
+/* Return string which is the former assembler name modified with a
+   prefix consisting of FASTCALL_PREFIX and a suffix consisting of an
+   atsign (@) followed by the number of bytes of arguments.  */
+
+static const char *
+gen_fastcall_decoration (tree decl)
+{
+  unsigned total = 0;
+  const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+  char *newsym;
+
+  if (TYPE_ARG_TYPES (TREE_TYPE (decl)))
+    if (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (decl))))
+        == void_type_node)
+      {
+	tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
+
+	/* Quit if we hit an incomplete type.  Error is reported
+	   by convert_arguments in c-typeck.c or cp/typeck.c.  */
+	while (TREE_VALUE (formal_type) != void_type_node
+	       && COMPLETE_TYPE_P (TREE_VALUE (formal_type)))	
+	  {
+	    int parm_size
+	      = TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
+	    /* Must round up to include padding.  This is done the same
+	       way as in store_one_arg.  */
+	    parm_size = ((parm_size + PARM_BOUNDARY - 1)
+			 / PARM_BOUNDARY * PARM_BOUNDARY);
+	    total += parm_size;
+	    formal_type = TREE_CHAIN (formal_type);
+	  }
+      }
+
+  newsym = alloca (1 + strlen (asmname) + 1 + 10 + 1);
+  return IDENTIFIER_POINTER (get_identifier_with_length (newsym,
+	sprintf (newsym, "%c%s@%d", FASTCALL_PREFIX, asmname,
+		 total / BITS_PER_UNIT)));
+}
+
+/* Return string which is the former assembler name modified with an 
+   _n@ prefix where n represents the number of arguments passed in
+   registers */
+
+static const char *
+gen_regparm_prefix (tree decl, unsigned nregs)
+{
+  unsigned total = 0;
+  /* ??? This probably should use XSTR (XEXP (DECL_RTL (decl), 0), 0) instead
+     of DECL_ASSEMBLER_NAME.  */
+  const char *asmname = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
+  char *newsym;
+
+  if (TYPE_ARG_TYPES (TREE_TYPE (decl)))
+    if (TREE_VALUE (tree_last (TYPE_ARG_TYPES (TREE_TYPE (decl))))
+        == void_type_node)
+      {
+	tree formal_type = TYPE_ARG_TYPES (TREE_TYPE (decl));
+
+	/* Quit if we hit an incomplete type.  Error is reported
+	   by convert_arguments in c-typeck.c or cp/typeck.c.  */
+	while (TREE_VALUE (formal_type) != void_type_node
+	       && COMPLETE_TYPE_P (TREE_VALUE (formal_type)))	
+	  {
+	    unsigned parm_size
+	      = TREE_INT_CST_LOW (TYPE_SIZE (TREE_VALUE (formal_type)));
+	    /* Must round up to include padding.  This is done the same
+	       way as in store_one_arg.  */
+	    parm_size = ((parm_size + PARM_BOUNDARY - 1)
+			 / PARM_BOUNDARY * PARM_BOUNDARY);
+	    total += parm_size;
+	    formal_type = TREE_CHAIN (formal_type);
+	  }
+      }
+
+  if (nregs > total / BITS_PER_WORD)
+    nregs = total / BITS_PER_WORD;
+  if (nregs > 9) abort();
+  newsym = alloca (2 + strlen (asmname) + 1 + 1);
+  return IDENTIFIER_POINTER (get_identifier_with_length (newsym,
+	sprintf (newsym, "_%u@%s", nregs, asmname)));
+}
+
+void
+i386_nlm_encode_section_info (tree decl, rtx rtl, int first)
+{
+  default_encode_section_info (decl, rtl, first);
+
+  if (first
+      && TREE_CODE (decl) == FUNCTION_DECL
+      && *IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)) != '*')
+    {
+      tree type_attributes = TYPE_ATTRIBUTES (TREE_TYPE (decl));
+      rtx rtlname = XEXP (rtl, 0);
+      if (GET_CODE (rtlname) == MEM)
+	rtlname = XEXP (rtlname, 0);
+      if (lookup_attribute ("stdcall", type_attributes))
+	XSTR (rtlname, 0) = gen_stdcall_decoration (decl);
+      else if (lookup_attribute ("fastcall", type_attributes))
+	XSTR (rtlname, 0) = gen_fastcall_decoration (decl);
+      else
+	{
+	  tree attr = lookup_attribute ("regparm", type_attributes);
+
+	  if (attr)
+	    XSTR (rtlname, 0) =
+	      gen_regparm_prefix (decl,
+		      TREE_INT_CST_LOW (TREE_VALUE (TREE_VALUE (attr))));
+	}
+    }
+}
+
+/* Strip the stdcall/fastcall/regparm pre-/suffix.  */
+
+const char *
+i386_nlm_strip_name_encoding (const char *str)
+{
+  const char *name = default_strip_name_encoding (str);
+
+  if (*str != '*' && (*name == '_' || *name == '@'))
+    {
+      const char *p = strchr (name + 1, '@');
+
+      if (p)
+	{
+	  ++name;
+	  if (ISDIGIT (p[1]))
+	    name = ggc_alloc_string (name, p - name);
+	  else if (!ISDIGIT (*name) || ++name != p)
+	    abort();
+	}
+    }
+  return name;
+}
diff --git a/gcc/config/i386/netware.h b/gcc/config/i386/netware.h
new file mode 100644
index 0000000..9246f3f
--- /dev/null
+++ b/gcc/config/i386/netware.h
@@ -0,0 +1,156 @@
+/* Core target definitions for GCC for Intel 80x86 running Netware.
+   and using dwarf for the debugging format.
+   Copyright (C) 1993, 1994, 2004 Free Software Foundation, Inc.
+
+   Written by David V. Henkel-Wallace (gumby@cygnus.com)
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
+
+#undef  CPP_SPEC
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+
+#undef	LIB_SPEC
+#define LIB_SPEC ""
+
+/* Kinda useless, but what the hell */
+#undef	LINK_SPEC
+#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
+		   %{b} %{Wl,*:%*} \
+		   %{Qy:} %{!Qn:-Qy}"
+
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC ""
+
+#undef	ENDFILE_SPEC
+#define ENDFILE_SPEC ""
+
+#undef	RELATIVE_PREFIX_NOT_LINKDIR
+#undef	LIBGCC_SPEC
+
+#define TARGET_OS_CPP_BUILTINS()					\
+  do									\
+    {									\
+	builtin_define ("IAPX386");					\
+	builtin_define ("_M_IX86=300");					\
+	builtin_define ("__netware__");					\
+	builtin_assert ("system=netware");				\
+	builtin_define ("__ELF__");					\
+	builtin_define ("__cdecl=__attribute__((__cdecl__))");		\
+	builtin_define ("__stdcall=__attribute__((__stdcall__))");	\
+	builtin_define ("__fastcall=__attribute__((__fastcall__))");	\
+	if (!flag_iso)							\
+	  {								\
+	    builtin_define ("_cdecl=__attribute__((__cdecl__))");	\
+	    builtin_define ("_stdcall=__attribute__((__stdcall__))");	\
+	    builtin_define ("_fastcall=__attribute__((__fastcall__))");	\
+	  }								\
+    }									\
+  while (0)
+
+#undef TARGET_CPU_DEFAULT
+#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
+
+/* By default, target has a 80387, uses IEEE compatible arithmetic,
+   returns float values in the 387, and uses MSVC bit field layout. */
+#undef TARGET_SUBTARGET_DEFAULT
+#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
+	MASK_FLOAT_RETURNS | MASK_MS_BITFIELD_LAYOUT)
+
+#undef MATH_LIBRARY
+#define MATH_LIBRARY ""
+
+/* Align doubles and long-longs in structures on qword boundaries.  */
+#undef BIGGEST_FIELD_ALIGNMENT
+#define BIGGEST_FIELD_ALIGNMENT 64
+
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+/* Implicit arguments pointing to aggregate return values are to be
+   removed by the caller.  */
+#undef KEEP_AGGREGATE_RETURN_POINTER
+#define KEEP_AGGREGATE_RETURN_POINTER 1
+
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
+
+/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
+#define HANDLE_PRAGMA_PACK_PUSH_POP
+
+/* Default structure packing is 1-byte. */
+#define TARGET_DEFAULT_PACK_STRUCT 1
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "short unsigned int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 16
+
+#undef WINT_TYPE
+#define WINT_TYPE "int"
+
+/* A C statement (sans semicolon) to output to the stdio stream
+   FILE the assembler definition of uninitialized global DECL named
+   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+   Try to use asm_output_aligned_bss to implement this macro.  */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* Handle special EH pointer encodings.  Absolute, pc-relative, and
+   indirect are handled automatically.  */
+#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
+  do {									\
+    if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)		\
+      {									\
+        fputs (ASM_LONG, FILE);			\
+        assemble_name (FILE, XSTR (ADDR, 0));				\
+	fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
+        goto DONE;							\
+      }									\
+  } while (0)
+
+/* there is no TLS support in NLMs/on NetWare */
+#undef HAVE_AS_TLS
+
+#define HAS_INIT_SECTION
+#undef  INIT_SECTION_ASM_OP
+
+#define CTOR_LISTS_DEFINED_EXTERNALLY
+
+#undef  READONLY_DATA_SECTION_ASM_OP
+#define READONLY_DATA_SECTION_ASM_OP    ".section\t.rodata"
+
+/* Define this macro if references to a symbol must be treated
+   differently depending on something about the variable or
+   function named by the symbol (such as what section it is in).
+
+   On i386 running NetWare, modify the assembler name with an undercore (_)
+   prefix and a suffix consisting of an atsign (@) followed by a string of
+   digits that represents the number of bytes of arguments passed to the
+   function, if it has the attribute STDCALL. Alternatively, if it has the 
+   REGPARM attribute, prefix it with an underscore (_), a digit representing
+   the number of registers used, and an atsign (@). */
+void i386_nlm_encode_section_info (tree, rtx, int);
+const char *i386_nlm_strip_name_encoding (const char *);
+#undef TARGET_ENCODE_SECTION_INFO
+#define TARGET_ENCODE_SECTION_INFO  i386_nlm_encode_section_info
+#undef  TARGET_STRIP_NAME_ENCODING
+#define TARGET_STRIP_NAME_ENCODING  i386_nlm_strip_name_encoding
diff --git a/gcc/config/i386/nwld.c b/gcc/config/i386/nwld.c
new file mode 100644
index 0000000..e86c0d2
--- /dev/null
+++ b/gcc/config/i386/nwld.c
@@ -0,0 +1,74 @@
+/* Subroutines for insn-output.c for NetWare.
+   Contributed by Jan Beulich (jbeulich@novell.com)
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "rtl.h"
+#include "regs.h"
+#include "hard-reg-set.h"
+#include "output.h"
+#include "tree.h"
+#include "flags.h"
+#include "tm_p.h"
+#include "toplev.h"
+
+void
+nwld_named_section_asm_out_constructor (rtx symbol, int priority)
+{
+#if !SUPPORTS_INIT_PRIORITY
+  const char section[] = ".ctors"TARGET_SUB_SECTION_SEPARATOR;
+#else
+  char section[20];
+
+  sprintf (section,
+	   ".ctors"TARGET_SUB_SECTION_SEPARATOR"%.5u",
+	   /* Invert the numbering so the linker puts us in the proper
+	      order; constructors are run from right to left, and the
+	      linker sorts in increasing order.  */
+	   MAX_INIT_PRIORITY - priority);
+#endif
+
+  named_section_flags (section, 0);
+  assemble_align (POINTER_SIZE);
+  assemble_integer (symbol, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
+}
+
+void
+nwld_named_section_asm_out_destructor (rtx symbol, int priority)
+{
+#if !SUPPORTS_INIT_PRIORITY
+  const char section[] = ".dtors"TARGET_SUB_SECTION_SEPARATOR;
+#else
+  char section[20];
+
+  sprintf (section, ".dtors"TARGET_SUB_SECTION_SEPARATOR"%.5u",
+	   /* Invert the numbering so the linker puts us in the proper
+	      order; destructors are run from left to right, and the
+	      linker sorts in increasing order.  */
+	   MAX_INIT_PRIORITY - priority);
+#endif
+
+  named_section_flags (section, 0);
+  assemble_align (POINTER_SIZE);
+  assemble_integer (symbol, POINTER_SIZE / BITS_PER_UNIT, POINTER_SIZE, 1);
+}
diff --git a/gcc/config/i386/nwld.h b/gcc/config/i386/nwld.h
new file mode 100644
index 0000000..8dd7c9f
--- /dev/null
+++ b/gcc/config/i386/nwld.h
@@ -0,0 +1,59 @@
+/* nwld.h -- defines to be used when targeting GCC for some generic NetWare
+   system while using the Novell linker.
+   Copyright (C) 2004 Free Software Foundation, Inc.
+
+   Written by Jan Beulich (jbeulich@novell.com)
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+#undef	LIB_SPEC
+#define LIB_SPEC "-lc --def-file libc.def%s"
+
+#undef	LIBGCC_SPEC
+#define LIBGCC_SPEC "-lgcc %{!static-libgcc:--def-file libgcc.def%s}"
+
+#undef  LINKER_NAME
+#define LINKER_NAME "nwld"
+
+#undef  LINK_SPEC
+#define LINK_SPEC "--format nlm %{static:%{!nostdlib:%{!nodefaultlib:%eStatic linking is not supported.\n}}}"
+
+#undef  LINK_GCC_C_SEQUENCE_SPEC
+#define LINK_GCC_C_SEQUENCE_SPEC "%L %G"
+
+/* In order to permit the linker to derive the output filename from the first
+   input file, put the common startup code as the last object. */
+#undef	STARTFILE_SPEC
+#define STARTFILE_SPEC ""
+
+#undef	ENDFILE_SPEC
+#define ENDFILE_SPEC "crt0%O%s ../imports/%{!posix:libc}%{posix:posix}pre.gcc%O%s" \
+	" --def-file %{!posix:libc}%{posix:posix}pre.def%s"
+
+#define DRIVER_SELF_SPECS "%{!static-libgcc:-shared-libgcc}"
+
+#define TARGET_SUB_SECTION_SEPARATOR "$"
+
+void nwld_named_section_asm_out_constructor (rtx, int);
+void nwld_named_section_asm_out_destructor (rtx, int);
+
+#define TARGET_ASM_CONSTRUCTOR nwld_named_section_asm_out_constructor
+#define TARGET_ASM_DESTRUCTOR  nwld_named_section_asm_out_destructor
+
+#undef  EH_FRAME_SECTION_NAME
+#define EH_FRAME_SECTION_NAME ".eh_frame"TARGET_SUB_SECTION_SEPARATOR
diff --git a/gcc/config/i386/t-netware b/gcc/config/i386/t-netware
new file mode 100644
index 0000000..cc229b8
--- /dev/null
+++ b/gcc/config/i386/t-netware
@@ -0,0 +1,10 @@
+TARGET_LIBGCC2_CFLAGS = -mpreferred-stack-boundary=2 -fomit-frame-pointer
+
+netware.o: $(srcdir)/config/i386/netware.c $(RTL_H) $(TREE_H) $(CONFIG_H) $(TM_P_H)
+	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(srcdir)/config/i386/netware.c
+
+# We don't need some of GCC's own include files.
+USER_H = $(srcdir)/ginclude/stdarg.h \
+         $(srcdir)/ginclude/varargs.h \
+         $(srcdir)/unwind.h \
+    $(EXTRA_HEADERS) $(LANG_EXTRA_HEADERS)
diff --git a/gcc/config/i386/t-nwld b/gcc/config/i386/t-nwld
new file mode 100644
index 0000000..d67bc63
--- /dev/null
+++ b/gcc/config/i386/t-nwld
@@ -0,0 +1,60 @@
+CRTSTUFF_T_CFLAGS = -mpreferred-stack-boundary=2
+CRT0STUFF_T_CFLAGS = -mpreferred-stack-boundary=2 $(INCLUDES)
+# this is a slight misuse (it's not an assembler file)
+CRT0_S = $(srcdir)/config/i386/netware-crt0.c
+MCRT0_S = $(srcdir)/config/i386/netware-crt0.c
+
+libgcc.def: $(srcdir)/config/i386/t-nwld
+	echo "module libgcc_s" >$@
+
+libc.def: $(srcdir)/config/i386/t-nwld
+	echo "module libc" >$@
+
+libcpre.def: $(srcdir)/config/i386/t-nwld
+	echo "start _LibCPrelude" >$@
+	echo "exit _LibCPostlude" >>$@
+	echo "check _LibCCheckUnload" >>$@
+
+posixpre.def: $(srcdir)/config/i386/t-nwld
+	echo "start POSIX_Start" >$@
+	echo "exit POSIX_Stop" >>$@
+	echo "check POSIX_CheckUnload" >>$@
+
+nwld.o: $(srcdir)/config/i386/nwld.c $(RTL_H) $(TREE_H) $(CONFIG_H) $(TM_P_H)
+	$(CC) -c $(ALL_CFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) $(srcdir)/config/i386/nwld.c
+
+
+s-crt0: $(srcdir)/unwind-dw2-fde.h
+
+# Build a shared libgcc library for NetWare.
+
+SHLIB_EXT = .nlm
+SHLIB_SONAME = @shlib_so_name@.nlm
+SHLIB_NAME = @shlib_dir@@shlib_so_name@.nlm
+SHLIB_SLIBDIR_QUAL = @shlib_slibdir_qual@
+SHLIB_DEF = $(srcdir)/config/i386/netware-libgcc.def
+SHLIB_MAP = $(srcdir)/config/i386/netware-libgcc.exp
+SHLIB_SRC = $(srcdir)/config/i386/netware-libgcc.c
+
+SHLIB_LINK = set -e; \
+	cat $(SHLIB_DEF) >@shlib_so_name@.def; \
+	echo "version $(gcc_version)" | sed "s!\.!,!g" >>@shlib_so_name@.def; \
+	touch libgcc/build; \
+	echo "build $$$$(($$$$(<libgcc/build)+0))" >>@shlib_so_name@.def; \
+	echo "export @$(SHLIB_MAP)" >>@shlib_so_name@.def; \
+	if mpkxdc -n -p @shlib_so_name@.xdc; \
+		then echo "xdcdata @shlib_so_name@.xdc" >>@shlib_so_name@.def; \
+		else echo "WARNING: $(SHLIB_NAME) built without XDC data will not work well." 1>&2; \
+	fi; \
+	$(GCC_FOR_TARGET) $(LIBGCC2_CFLAGS) -o $(SHLIB_NAME) \
+		$(SHLIB_SRC) -static-libgcc -lnetware \
+		-Wl,--Map,--map-info,full,--strip-all,--def-file,@shlib_so_name@.def; \
+	rm -f @shlib_so_name@.imp; $(LN_S) $(SHLIB_MAP) @shlib_so_name@.imp; \
+	echo $$$$(($$$$(<libgcc/build)+1)) >libgcc/build
+
+# $(slibdir) double quoted to protect it from expansion while building
+# libgcc.mk.  We want this delayed until actual install time.
+SHLIB_INSTALL = \
+	$$(SHELL) $(srcdir)/mkinstalldirs $$(slibdir)$(SHLIB_SLIBDIR_QUAL); \
+	$$(INSTALL_DATA) $(SHLIB_NAME) $$(slibdir)$(SHLIB_SLIBDIR_QUAL)/$(SHLIB_SONAME); \
+	$$(INSTALL_DATA) @shlib_so_name@.imp $$(DESTDIR)$$(libsubdir)/
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 14dac82..4dafed9 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
+	* g++spec.c (MATH_LIBRARY_PROFILE): Default to MATH_LIBRARY rather
+	than "-lm".
+
 2004-09-02  Paul Brook  <paul@codesourcery.com>
 
 	* decl2.c (determine_visibility): Only check data visibility
diff --git a/gcc/cp/g++spec.c b/gcc/cp/g++spec.c
index 1644140..d3ab47d 100644
--- a/gcc/cp/g++spec.c
+++ b/gcc/cp/g++spec.c
@@ -36,7 +36,7 @@ Boston, MA 02111-1307, USA.  */
 #define MATH_LIBRARY "-lm"
 #endif
 #ifndef MATH_LIBRARY_PROFILE
-#define MATH_LIBRARY_PROFILE "-lm"
+#define MATH_LIBRARY_PROFILE MATH_LIBRARY
 #endif
 
 #ifndef LIBSTDCXX
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 3c6f1b5..c9c012b 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -937,6 +937,8 @@ Sun Solaris 2 thread support.
 VxWorks thread support.
 @item win32
 Microsoft Win32 API thread support.
+@item nks
+Novell Kernel Services thread support.
 @end table
 
 @item --with-cpu=@var{cpu}
diff --git a/gcc/gthr-nks.h b/gcc/gthr-nks.h
new file mode 100644
index 0000000..f377245
--- /dev/null
+++ b/gcc/gthr-nks.h
@@ -0,0 +1,364 @@
+/* Threads compatibility routines for libgcc2 and libobjc.  */
+/* Compile this one with gcc.  */
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, if you link this library with other files,
+   some of which are compiled with GCC, to produce an executable,
+   this library does not by itself cause the resulting executable
+   to be covered by the GNU General Public License.
+   This exception does not however invalidate any other reasons why
+   the executable file might be covered by the GNU General Public License.  */
+
+#ifndef __gthr_nks_h
+#define __gthr_nks_h
+
+/* NKS threads specific definitions.
+   Easy, since the interface is mostly one-to-one mapping. */
+
+#define __GTHREADS 1
+
+#define NKS_NO_INLINE_FUNCS
+#include <nksapi.h>
+#include <string.h>
+
+typedef NXKey_t __gthread_key_t;
+typedef NXMutex_t *__gthread_mutex_t;
+
+#define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
+
+static inline int
+__gthread_active_p (void)
+{
+  return 1;
+}
+
+#ifdef _LIBOBJC
+
+/* This is the config.h file in libobjc/ */
+#include <config.h>
+
+#ifdef HAVE_SCHED_H
+# include <sched.h>
+#endif
+
+/* Key structure for maintaining thread specific storage */
+static NXKey_t _objc_thread_storage;
+
+/* Backend initialization functions */
+
+/* Initialize the threads subsystem. */
+static inline int
+__gthread_objc_init_thread_system(void)
+{
+  /* Initialize the thread storage key */
+  if (NXKeyCreate(NULL, NULL, &_objc_thread_storage) == 0)
+    return 0;
+  return -1;
+}
+
+/* Close the threads subsystem. */
+static inline int
+__gthread_objc_close_thread_system(void)
+{
+  if (NXKeyDelete(_objc_thread_storage) == 0)
+    return 0;
+  return -1;
+}
+
+/* Backend thread functions */
+
+/* Create a new thread of execution. */
+static inline objc_thread_t
+__gthread_objc_thread_detach(void (*func)(void *), void *arg)
+{
+  objc_thread_t thread_id;
+  NXContext_t context;
+  NXThreadId_t new_thread_handle;
+  int err;
+
+  if ((context = NXContextAlloc(func, arg, NX_PRIO_MED, 0, 0, 0, &err)) == NULL)
+    thread_id = NULL;
+  else if (NXThreadCreate(context, NX_THR_DETACHED, &new_thread_handle) == 0)
+    thread_id = (objc_thread_t) new_thread_handle;
+  else {
+    NXContextFree(context);
+    thread_id = NULL;
+  }
+  
+  return thread_id;
+}
+
+/* Set the current thread's priority. */
+static inline int
+__gthread_objc_thread_set_priority(int priority)
+{
+  if (NXThreadSetPriority(NXThreadGetId(), priority) == 0)
+    return 0;
+  return -1;
+}
+
+/* Return the current thread's priority. */
+static inline int
+__gthread_objc_thread_get_priority(void)
+{
+  int priority;
+
+  if (NXThreadGetPriority(NXThreadGetId(), &priority) == 0)
+    return priority;
+  return -1;
+}
+
+/* Yield our process time to another thread. */
+static inline void
+__gthread_objc_thread_yield(void)
+{
+  NXThreadYield();
+}
+
+/* Terminate the current thread. */
+static inline int
+__gthread_objc_thread_exit(void)
+{
+  /* exit the thread */
+  NXThreadExit(&__objc_thread_exit_status);
+
+  /* Failed if we reached here */
+  return -1;
+}
+
+/* Returns an integer value which uniquely describes a thread. */
+static inline objc_thread_t
+__gthread_objc_thread_id(void)
+{
+  (objc_thread_t) NXThreadGetId();
+}
+
+/* Sets the thread's local storage pointer. */
+static inline int
+__gthread_objc_thread_set_data(void *value)
+{
+  return NXKeySetValue(_objc_thread_storage, value);
+}
+
+/* Returns the thread's local storage pointer. */
+static inline void *
+__gthread_objc_thread_get_data(void)
+{
+  void *value;
+
+  if (NXKeyGetValue(_objc_thread_storage, &value) == 0)
+    return value;
+  return NULL;
+}
+
+/* Backend mutex functions */
+
+/* Allocate a mutex. */
+static inline int
+__gthread_objc_mutex_allocate(objc_mutex_t mutex)
+{
+  static const NX_LOCK_INFO_ALLOC(info, "GNU ObjC", 0);
+
+  if ((mutex->backend = NXMutexAlloc(NX_MUTEX_RECURSIVE/*???*/, 0, &info)) == NULL)
+    return 0;
+  return -1;
+}
+
+/* Deallocate a mutex. */
+static inline int
+__gthread_objc_mutex_deallocate(objc_mutex_t mutex)
+{
+  while(NXMutexIsOwned((NXMutex_t *)mutex->backend))
+    NXUnlock((NXMutex_t *)mutex->backend);
+  if (NXMutexFree((NXMutex_t *)mutex->backend) != 0)
+    return -1;
+  mutex->backend = NULL;
+  return 0;
+}
+
+/* Grab a lock on a mutex. */
+static inline int
+__gthread_objc_mutex_lock(objc_mutex_t mutex)
+{
+  return NXLock((NXMutex_t *)mutex->backend);
+}
+
+/* Try to grab a lock on a mutex. */
+static inline int
+__gthread_objc_mutex_trylock(objc_mutex_t mutex)
+{
+  if (!NXTryLock((NXMutex_t *)mutex->backend))
+    return -1;
+  return 0;
+}
+
+/* Unlock the mutex */
+static inline int
+__gthread_objc_mutex_unlock(objc_mutex_t mutex)
+{
+  return NXUnlock((NXMutex_t *)mutex->backend);
+}
+
+/* Backend condition mutex functions */
+
+/* Allocate a condition. */
+static inline int
+__gthread_objc_condition_allocate(objc_condition_t condition)
+{
+  condition->backend = NXCondAlloc(NULL);
+  if (condition->backend == NULL)
+    return -1;
+
+  return 0;
+}
+
+/* Deallocate a condition. */
+static inline int
+__gthread_objc_condition_deallocate(objc_condition_t condition)
+{
+   if (NXCondFree((NXCond_t *)condition->backend) != 0)
+     return -1;
+   condition->backend = NULL;
+   return 0;
+}
+
+/* Wait on the condition */
+static inline int
+__gthread_objc_condition_wait(objc_condition_t condition, objc_mutex_t mutex)
+{
+  return NXCondWait((NXCond_t *)condition->backend, (NXMutex_t *)mutex->backend);
+}
+
+/* Wake up all threads waiting on this condition. */
+static inline int
+__gthread_objc_condition_broadcast(objc_condition_t condition)
+{
+  return NXCondBroadcast((NXCond_t *)condition->backend);
+}
+
+/* Wake up one thread waiting on this condition. */
+static inline int
+__gthread_objc_condition_signal(objc_condition_t condition)
+{
+  return NXCondSignal((NXCond_t *)condition->backend);
+}
+
+#else /* _LIBOBJC */
+
+#if defined(__cplusplus)
+# include <bits/atomicity.h>
+/* The remaining conditions here are temporary until there is
+   an application accessible atomic operations API set... */
+#elif defined(_M_IA64) || defined(__ia64__)
+# include <../libstdc++-v3/config/cpu/ia64/bits/atomicity.h>
+#elif defined(_M_IX86) || defined(__i486__)
+# include <../libstdc++-v3/config/cpu/i486/bits/atomicity.h>
+#elif defined(_M_AMD64) || defined(__x86_64__)
+# include <../libstdc++-v3/config/cpu/x86-64/bits/atomicity.h>
+#endif
+
+typedef volatile long __gthread_once_t;
+
+#define __GTHREAD_ONCE_INIT 0
+
+static inline int
+__gthread_once (__gthread_once_t *once, void (*func) (void))
+{
+  if (__compare_and_swap(once, 0, 1))
+  {
+    func();
+    *once |= 2;
+  }
+  else
+  {
+    while(!(*once & 2))
+      NXThreadYield();
+  }
+  return 0;
+}
+
+static inline int
+__gthread_key_create (__gthread_key_t *key, void (*dtor) (void *))
+{
+  return NXKeyCreate (dtor, NULL, key);
+}
+
+static inline int
+__gthread_key_dtor (__gthread_key_t key, void *ptr)
+{
+  /* Just reset the key value to zero. */
+  if (ptr)
+    return NXKeySetValue (key, NULL);
+  return 0;
+}
+
+static inline int
+__gthread_key_delete (__gthread_key_t key)
+{
+  return NXKeyDelete (key);
+}
+
+static inline void *
+__gthread_getspecific (__gthread_key_t key)
+{
+  void *value;
+
+  if (NXKeyGetValue(key, &value) == 0)
+    return value;
+  return NULL;
+}
+
+static inline int
+__gthread_setspecific (__gthread_key_t key, const void *ptr)
+{
+  return NXKeySetValue(key, (void *)ptr);
+}
+
+static inline void
+__gthread_mutex_init_function (__gthread_mutex_t *mutex)
+{
+  static const NX_LOCK_INFO_ALLOC(info, "GTHREADS", 0);
+
+  *mutex = NXMutexAlloc (NX_MUTEX_RECURSIVE/*???*/, 0, &info);
+}
+
+static inline int
+__gthread_mutex_lock (__gthread_mutex_t *mutex)
+{
+  return NXLock(*mutex);
+}
+
+static inline int
+__gthread_mutex_trylock (__gthread_mutex_t *mutex)
+{
+  if (NXTryLock(*mutex))
+    return 0;
+  return -1;
+}
+
+static inline int
+__gthread_mutex_unlock (__gthread_mutex_t *mutex)
+{
+  return NXUnlock(*mutex);
+}
+
+#endif /* _LIBOBJC */
+
+#endif /* not __gthr_nks_h */
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c4a0385..8cae9a8 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,29 @@
 2004-09-03  Jan Beulich  <jbeulich@novell.com>
 
+	* g++.dg/abi/bitfield5.C: Use -mno-ms-bitfields.
+	* g++.old-deja/g++.jason/thunk2.C: xfail for NetWare.
+	* g++.old-deja/g++.law/profile1.C: xfail for NetWare.
+	* g++.old-deja/g++.other/store-expr1.C: xfail for NetWare.
+	* gcc.c-torture/compile/20001109-1.c: xfail for NetWare.
+	* gcc.c-torture/compile/20001109-2.c: xfail for NetWare.
+	* gcc.c-torture/execute/multi-ix.c: Use __builtin_bzero rather than
+	the non-portable bzero.
+	* gcc.dg/20010912-1.c: xfail for NetWare.
+	* gcc.dg/20020426-2.c: xfail for NetWare.
+	* gcc.dg/20021014-1.c: xfail for NetWare.
+	* gcc.dg/20021018-1.c: xfail for NetWare.
+	* gcc.dg/20030213-1.c: xfail for NetWare.
+	* gcc.dg/20030225-1.c: xfail for NetWare.
+	* gcc.dg/20030708-1.c: xfail for NetWare.
+	* gcc.dg/builtins-config.h: Also exclude NetWare.
+	* gcc.dg/format/format.h: Define restrict only if not already defined.
+	* gcc.dg/nest.c: xfail for NetWare.
+	* gcc.dg/special/gcsec-1.c: Don't pass -static for NetWare.
+	* lib/target-supports.exp (check_visibility_available): Exclude
+	NetWare.
+
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
 	* gcc.dg/pack-test-2.c: Adjust to permit and check #pragma pack(push).
 	* gcc.dg/c99-flex-array-4.c: Add -fpack-struct=8 to provide a
 	deterministic starting point for the alignment of structure fields.
diff --git a/gcc/testsuite/g++.dg/abi/bitfield5.C b/gcc/testsuite/g++.dg/abi/bitfield5.C
index e754f0d..5313140 100644
--- a/gcc/testsuite/g++.dg/abi/bitfield5.C
+++ b/gcc/testsuite/g++.dg/abi/bitfield5.C
@@ -1,5 +1,6 @@
 // { dg-do compile } 
 // { dg-options "-Wabi -fabi-version=1" }
+// { dg-options "-Wabi -fabi-version=1 -mno-ms-bitfields" { target i?86-*-* x86_64-*-* } }
 
 struct A { 
   virtual void f(); 
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/thunk2.C b/gcc/testsuite/g++.old-deja/g++.jason/thunk2.C
index 01a2ec6..5694fa1 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/thunk2.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/thunk2.C
@@ -1,5 +1,6 @@
 // { dg-do run }
 // { dg-options "-fPIC" }
+// { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 }
 // Test that non-variadic function calls using thunks and PIC work right.
 
 struct A {
diff --git a/gcc/testsuite/g++.old-deja/g++.law/profile1.C b/gcc/testsuite/g++.old-deja/g++.law/profile1.C
index 2fa633b..56c52d1 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/profile1.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/profile1.C
@@ -2,6 +2,7 @@
 // { dg-require-profiling "-pg" }
 // { dg-options "-pg" }
 // { dg-options "-pg -static" { target hppa*-*-hpux* } }
+// { dg-bogus "\[Uu\]nresolved symbol ._mcount" "Profiling unsupported" { xfail *-*-netware* } 0 }
 // GROUPS passed profiling
 #include <stdio.h>
 main()
diff --git a/gcc/testsuite/g++.old-deja/g++.other/store-expr1.C b/gcc/testsuite/g++.old-deja/g++.other/store-expr1.C
index 5a37666..f3a682d 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/store-expr1.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/store-expr1.C
@@ -1,5 +1,6 @@
 // { dg-do run { target i?86-*-* } }
 // { dg-options "-mtune=i686 -O2 -fpic" }
+// { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 }
 class G {};
 
 struct N {
diff --git a/gcc/testsuite/gcc.c-torture/compile/20001109-1.c b/gcc/testsuite/gcc.c-torture/compile/20001109-1.c
index cce8047..6e513c9 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20001109-1.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20001109-1.c
@@ -1,3 +1,5 @@
+/* This does not work on NetWare, which has a default of 1-byte alignment.  */
+/* { dg-xfail-if "" { "*-*-netware*" } { "*" } { "" } } */
 typedef struct _foo foo;
 extern foo bar;
 struct _foo {
diff --git a/gcc/testsuite/gcc.c-torture/compile/20001109-2.c b/gcc/testsuite/gcc.c-torture/compile/20001109-2.c
index a23e56b..1448215 100644
--- a/gcc/testsuite/gcc.c-torture/compile/20001109-2.c
+++ b/gcc/testsuite/gcc.c-torture/compile/20001109-2.c
@@ -1,3 +1,5 @@
+/* This does not work on NetWare, which has a default of 1-byte alignment.  */
+/* { dg-xfail-if "" { "*-*-netware*" } { "*" } { "" } } */
 extern struct foo bar;
 struct foo {
   int a;
diff --git a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c
index 65e9438..d61a313 100644
--- a/gcc/testsuite/gcc.c-torture/execute/multi-ix.c
+++ b/gcc/testsuite/gcc.c-torture/execute/multi-ix.c
@@ -161,7 +161,7 @@ void z(int n, ...)
   while (n--)
     {
       int *a = va_arg (list, int *);
-      bzero (a, sizeof (l));
+      __builtin_bzero (a, sizeof (l));
     }
   va_end (list);
 }
diff --git a/gcc/testsuite/gcc.dg/20010912-1.c b/gcc/testsuite/gcc.dg/20010912-1.c
index 9d0d2e0..7769b49 100644
--- a/gcc/testsuite/gcc.dg/20010912-1.c
+++ b/gcc/testsuite/gcc.dg/20010912-1.c
@@ -1,6 +1,7 @@
 /* { dg-do run } */
 /* { dg-options "-O2 -fpic" } */
 /* { dg-warning "not supported" "PIC unsupported" { target cris-*-elf* cris-*-aout* mmix-*-* } 0 } */
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 extern void abort (void);
 extern void exit (int);
diff --git a/gcc/testsuite/gcc.dg/20020426-2.c b/gcc/testsuite/gcc.dg/20020426-2.c
index e38214c..dd7fa7f 100644
--- a/gcc/testsuite/gcc.dg/20020426-2.c
+++ b/gcc/testsuite/gcc.dg/20020426-2.c
@@ -3,6 +3,7 @@
 /* { dg-do run } */
 /* { dg-options "-O2" } */
 /* { dg-options "-O2 -frename-registers -fomit-frame-pointer -fPIC -mtune=i686" { target i?86-*-* } } */
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 extern void exit (int);
 
diff --git a/gcc/testsuite/gcc.dg/20021014-1.c b/gcc/testsuite/gcc.dg/20021014-1.c
index dd8614c..6ce62c3 100644
--- a/gcc/testsuite/gcc.dg/20021014-1.c
+++ b/gcc/testsuite/gcc.dg/20021014-1.c
@@ -4,6 +4,7 @@
 /* { dg-options "-O2 -p -static" { target hppa*-*-hpux* } } */
 /* { dg-error "profiler" "No profiler support" { target xstormy16-*-* } 0 } */
 /* { dg-error "" "consider using `-pg' instead of `-p' with gprof(1)" { target *-*-freebsd* } 0 } */
+/* { dg-bogus "\[Uu\]nresolved symbol ._mcount" "Profiling unsupported" { xfail *-*-netware* } 0 } */
 
 extern void abort (void);
 extern void exit (int);
diff --git a/gcc/testsuite/gcc.dg/20021018-1.c b/gcc/testsuite/gcc.dg/20021018-1.c
index 2fef73f..f460e77 100644
--- a/gcc/testsuite/gcc.dg/20021018-1.c
+++ b/gcc/testsuite/gcc.dg/20021018-1.c
@@ -1,5 +1,6 @@
 /* { dg-do run } */
 /* { dg-options "-O2 -fpic" } */
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 extern void abort (void);
 extern void exit (int);
diff --git a/gcc/testsuite/gcc.dg/20030213-1.c b/gcc/testsuite/gcc.dg/20030213-1.c
index c9fe3a40e..8394ba0 100644
--- a/gcc/testsuite/gcc.dg/20030213-1.c
+++ b/gcc/testsuite/gcc.dg/20030213-1.c
@@ -2,6 +2,7 @@
 /* { dg-do link } */
 /* { dg-options "-O -fpic" } */
 /* { dg-warning "not supported" "PIC unsupported" { target cris-*-elf* cris-*-aout* mmix-*-* } 0 } */
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 int *g;
 
diff --git a/gcc/testsuite/gcc.dg/20030225-1.c b/gcc/testsuite/gcc.dg/20030225-1.c
index 7c30898..ea77363 100644
--- a/gcc/testsuite/gcc.dg/20030225-1.c
+++ b/gcc/testsuite/gcc.dg/20030225-1.c
@@ -6,7 +6,7 @@
 /* { dg-do run } */
 /* { dg-options "-O2 -fPIC" } */
 /* { dg-warning "not supported" "PIC unsupported" { target cris-*-elf* mmix-*-* } 0 } */
-
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 extern void exit (int);
 
diff --git a/gcc/testsuite/gcc.dg/20030708-1.c b/gcc/testsuite/gcc.dg/20030708-1.c
index b978641..d0b5b2b 100644
--- a/gcc/testsuite/gcc.dg/20030708-1.c
+++ b/gcc/testsuite/gcc.dg/20030708-1.c
@@ -1,6 +1,7 @@
 /* PR c/11420 */
 /* { dg-do link } */
 /* { dg-options "-O2 -fpic" } */
+/* { dg-bogus "\[Uu\]nresolved symbol .(_GLOBAL_OFFSET_TABLE_|\[_.A-Za-z\]\[_.0-9A-Za-z\]*@(PLT|GOT|GOTOFF))" "PIC unsupported" { xfail *-*-netware* } 0 } */
 
 void (* volatile fn) (void);
 static void foo (void)
diff --git a/gcc/testsuite/gcc.dg/builtins-config.h b/gcc/testsuite/gcc.dg/builtins-config.h
index f094774..d56cc1f 100644
--- a/gcc/testsuite/gcc.dg/builtins-config.h
+++ b/gcc/testsuite/gcc.dg/builtins-config.h
@@ -17,6 +17,8 @@
 /* Irix6 doesn't have the entire C99 runtime.  */
 #elif defined(__FreeBSD__) && (__FreeBSD__ < 5)
 /* FreeBSD before version 5 doesn't have the entire C99 runtime. */
+#elif defined(__netware__)
+/* NetWare doesn't have the entire C99 runtime.  */
 #else
 /* Newlib has the "f" variants of the math functions, but not the "l"
    variants.  TARGET_C99_FUNCTIONS is only defined if all C99
diff --git a/gcc/testsuite/gcc.dg/format/format.h b/gcc/testsuite/gcc.dg/format/format.h
index 0ded1e0..e55d23c 100644
--- a/gcc/testsuite/gcc.dg/format/format.h
+++ b/gcc/testsuite/gcc.dg/format/format.h
@@ -31,7 +31,7 @@ typedef ullong u_quad_t;
 __extension__ typedef __INTMAX_TYPE__ intmax_t;
 __extension__ typedef __UINTMAX_TYPE__ uintmax_t;
 
-#if __STDC_VERSION__ < 199901L
+#if __STDC_VERSION__ < 199901L && !defined(restrict)
 #define restrict /* "restrict" not in old C standard.  */
 #endif
 
diff --git a/gcc/testsuite/gcc.dg/nest.c b/gcc/testsuite/gcc.dg/nest.c
index 981baec..89ecdd5 100644
--- a/gcc/testsuite/gcc.dg/nest.c
+++ b/gcc/testsuite/gcc.dg/nest.c
@@ -5,6 +5,7 @@
 /* { dg-options "-O2 -pg -static" { target hppa*-*-hpux* } } */
 /* { dg-error "profiler" "No profiler support" { target xstormy16-*-* } 0 } */
 /* { dg-error "-pg not supported" "Profiler support missing" { target *-*-sco3.2v5* } 0 } */
+/* { dg-bogus "\[Uu\]nresolved symbol ._mcount" "Profiling unsupported" { xfail *-*-netware* } 0 } */
 
 extern void abort (void);
 
diff --git a/gcc/testsuite/gcc.dg/special/gcsec-1.c b/gcc/testsuite/gcc.dg/special/gcsec-1.c
index f2a63d1..68d4066 100644
--- a/gcc/testsuite/gcc.dg/special/gcsec-1.c
+++ b/gcc/testsuite/gcc.dg/special/gcsec-1.c
@@ -5,6 +5,7 @@
 
 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" } */
 /* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections -static" { target native } } */
+/* { dg-options "-ffunction-sections -fdata-sections -Wl,--gc-sections" { target *-*-netware* } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index 1ffdebb..25d1f8d 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -73,6 +73,12 @@ proc check_visibility_available { } {
     global target_triplet
     global target_cpu
 
+    # On NetWare, support makes no sense.
+    
+    if { [string match "*-*-netware*" $target_triplet] } {
+        return 0
+    }
+
     # ELF supports it if the system has recent GNU ld and gas.
     # As a start we return 1 for all ELF systems; we'll let people
     # add exceptions as necessary.
@@ -157,7 +163,9 @@ proc check_gc_sections_available { } {
 
     if {![info exists gc_sections_available_saved]} {
 	# Check if the ld used by gcc supports --gc-sections.
-	set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=ld" "" "none" ""] 0]
+	set gcc_spec [${tool}_target_compile "-dumpspecs" "" "none" ""]
+	regsub ".*\n\*linker:\[ \t\]*\n(\[^ \t\n\]*).*" "$gcc_spec" {\1} linker
+	set gcc_ld [lindex [${tool}_target_compile "-print-prog-name=$linker" "" "none" ""] 0]
 	set ld_output [remote_exec host "$gcc_ld" "--help"]
 	if { [ string first "--gc-sections" $ld_output ] >= 0 } {
 	    set gc_sections_available_saved 1
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1cdfef6..e232aee 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2004-09-03  Jan Beulich  <jbeulich@novell.com>
+
+	* crossconfig.m4: Add NetWare as a target.
+	* configure: Regenerate.
+
 2004-09-02  Mark Mitchell  <mark@codesourcery.com>
 
 	* libsupc++/typeinfo: Honor __GXX_MERGED_TYPEINFO_NAMES if already
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 79bfd28..140d681 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -87077,6 +87077,2772 @@ _ACEOF
 
     fi
     ;;
+  *-netware)
+
+
+
+
+
+
+
+
+for ac_header in nan.h ieeefp.h sys/isa_defs.h sys/machine.h \
+      sys/types.h locale.h float.h inttypes.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
+
+
+  # If we're not using GNU ld, then there's no point in even trying these
+  # tests.  Check for that first.  We should have already tested for gld
+  # by now (in libtool), but require it now just to be safe...
+  test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
+  test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
+
+
+
+  # The name set by libtool depends on the version of libtool.  Shame on us
+  # for depending on an impl detail, but c'est la vie.  Older versions used
+  # ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
+  # top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
+  # makes sense).  We'll test with_gnu_ld everywhere else, so if that isn't
+  # set (hence we're using an older libtool), then set it.
+  if test x${with_gnu_ld+set} != xset; then
+    if test x${ac_cv_prog_gnu_ld+set} != xset; then
+      # We got through "ac_require(ac_prog_ld)" and still not set?  Huh?
+      with_gnu_ld=no
+    else
+      with_gnu_ld=$ac_cv_prog_gnu_ld
+    fi
+  fi
+
+  # Start by getting the version number.  I think the libtool test already
+  # does some of this, but throws away the result.
+
+  ldver=`$LD --version 2>/dev/null | head -1 | \
+         sed -e 's/GNU ld version \([0-9.][0-9.]*\).*/\1/'`
+
+  glibcxx_gnu_ld_version=`echo $ldver | \
+         $AWK -F. '{ if (NF<3) $3=0; print ($1*100+$2)*100+$3 }'`
+
+  # Set --gc-sections.
+  if test "$with_gnu_ld" = "notbroken"; then
+    # GNU ld it is!  Joy and bunny rabbits!
+
+    # All these tests are for C++; save the language and the compiler flags.
+    # Need to do this so that g++ won't try to link in libstdc++
+    ac_test_CFLAGS="${CFLAGS+set}"
+    ac_save_CFLAGS="$CFLAGS"
+    CFLAGS='-x c++  -Wl,--gc-sections'
+
+    # Check for -Wl,--gc-sections
+    # XXX This test is broken at the moment, as symbols required for linking
+    # are now in libsupc++ (not built yet).  In addition, this test has
+    # cored on solaris in the past.  In addition, --gc-sections doesn't
+    # really work at the moment (keeps on discarding used sections, first
+    # .eh_frame and now some of the glibc sections for iconv).
+    # Bzzzzt.  Thanks for playing, maybe next time.
+    echo "$as_me:$LINENO: checking for ld that supports -Wl,--gc-sections" >&5
+echo $ECHO_N "checking for ld that supports -Wl,--gc-sections... $ECHO_C" >&6
+    if test "$cross_compiling" = yes; then
+  ac_sectionLDflags=yes
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+     int main(void)
+     {
+       try { throw 1; }
+       catch (...) { };
+       return 0;
+     }
+
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_sectionLDflags=yes
+else
+  echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_sectionLDflags=no
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+    if test "$ac_test_CFLAGS" = set; then
+      CFLAGS="$ac_save_CFLAGS"
+    else
+      # this is the suspicious part
+      CFLAGS=''
+    fi
+    if test "$ac_sectionLDflags" = "yes"; then
+      SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
+    fi
+    echo "$as_me:$LINENO: result: $ac_sectionLDflags" >&5
+echo "${ECHO_T}$ac_sectionLDflags" >&6
+  fi
+
+  # Set linker optimization flags.
+  if test x"$with_gnu_ld" = x"yes"; then
+    OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
+  fi
+
+
+
+
+
+
+echo "$as_me:$LINENO: checking for main in -lm" >&5
+echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6
+if test "${ac_cv_lib_m_main+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lm  $LIBS"
+if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+
+int
+main ()
+{
+main ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_m_main=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_m_main=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_m_main" >&5
+echo "${ECHO_T}$ac_cv_lib_m_main" >&6
+if test $ac_cv_lib_m_main = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBM 1
+_ACEOF
+
+  LIBS="-lm $LIBS"
+
+fi
+
+
+for ac_func in copysignf
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"
+fi
+done
+
+
+
+for ac_func in __signbit
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  LIBMATHOBJS="$LIBMATHOBJS signbit.lo"
+fi
+done
+
+
+
+for ac_func in __signbitf
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  LIBMATHOBJS="$LIBMATHOBJS signbitf.lo"
+fi
+done
+
+
+          if test x$ac_cv_func_copysignl = x"yes"; then
+
+for ac_func in __signbitl
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  LIBMATHOBJS="$LIBMATHOBJS signbitl.lo"
+fi
+done
+
+  fi
+
+  # Used in libmath/Makefile.am.
+  if test -n "$LIBMATHOBJS"; then
+    need_libmath=yes
+  fi
+
+
+
+  # Test wchar.h for mbstate_t, which is needed for char_traits and
+  # others even if wchar_t support is not on.
+  echo "$as_me:$LINENO: checking for mbstate_t" >&5
+echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <wchar.h>
+int
+main ()
+{
+mbstate_t teststate;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  have_mbstate_t=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+have_mbstate_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+  echo "$as_me:$LINENO: result: $have_mbstate_t" >&5
+echo "${ECHO_T}$have_mbstate_t" >&6
+  if test x"$have_mbstate_t" = xyes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_MBSTATE_T 1
+_ACEOF
+
+  fi
+
+  # Sanity check for existence of ISO C99 headers for extended encoding.
+
+for ac_header in wchar.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+ ac_has_wchar_h=yes
+else
+  ac_has_wchar_h=no
+fi
+
+done
+
+
+for ac_header in wctype.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+ ac_has_wctype_h=yes
+else
+  ac_has_wctype_h=no
+fi
+
+done
+
+
+  # Only continue checking if the ISO C99 headers exist and support is on.
+  if test x"$ac_has_wchar_h" = xyes &&
+     test x"$ac_has_wctype_h" = xyes &&
+     test x"$enable_c_mbchar" != xno; then
+
+    # Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
+    # numeric_limits can instantiate type_traits<wchar_t>
+    echo "$as_me:$LINENO: checking for WCHAR_MIN and WCHAR_MAX" >&5
+echo $ECHO_N "checking for WCHAR_MIN and WCHAR_MAX... $ECHO_C" >&6
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <wchar.h>
+int
+main ()
+{
+int i = WCHAR_MIN; int j = WCHAR_MAX;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  has_wchar_minmax=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+has_wchar_minmax=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+    echo "$as_me:$LINENO: result: $has_wchar_minmax" >&5
+echo "${ECHO_T}$has_wchar_minmax" >&6
+
+    # Test wchar.h for WEOF, which is what we use to determine whether
+    # to specialize for char_traits<wchar_t> or not.
+    echo "$as_me:$LINENO: checking for WEOF" >&5
+echo $ECHO_N "checking for WEOF... $ECHO_C" >&6
+    cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+      #include <wchar.h>
+      #include <stddef.h>
+int
+main ()
+{
+wint_t i = WEOF;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  has_weof=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+has_weof=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+    echo "$as_me:$LINENO: result: $has_weof" >&5
+echo "${ECHO_T}$has_weof" >&6
+
+    # Tests for wide character functions used in char_traits<wchar_t>.
+    ac_wfuncs=yes
+
+
+
+
+
+
+for ac_func in wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  ac_wfuncs=no
+fi
+done
+
+
+    # Checks for names injected into std:: by the c_std headers.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+for ac_func in btowc wctob fgetwc fgetws fputwc fputws fwide \
+    fwprintf fwscanf swprintf swscanf vfwprintf vswprintf \
+    vwprintf wprintf wscanf getwc getwchar mbsinit mbrlen mbrtowc \
+    mbsrtowcs wcsrtombs putwc putwchar ungetwc wcrtomb wcstod wcstol \
+    wcstoul wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp wcsxfrm \
+    wcscspn wcsspn wcstok wcsftime wcschr wcspbrk wcsrchr wcsstr
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  ac_wfuncs=no
+fi
+done
+
+
+    # Checks for wide character functions that are not required
+    # for basic wchar_t support.  Don't disable support if they are missing.
+    # Injection of these is wrapped with guard macros.
+
+
+
+
+
+for ac_func in vfwscanf vswscanf vwscanf wcstof iswblank
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+    echo "$as_me:$LINENO: checking for ISO C99 wchar_t support" >&5
+echo $ECHO_N "checking for ISO C99 wchar_t support... $ECHO_C" >&6
+    if test x"$has_weof" = xyes &&
+       test x"$has_wchar_minmax" = xyes &&
+       test x"$ac_wfuncs" = xyes;
+    then
+      ac_isoC99_wchar_t=yes
+    else
+      ac_isoC99_wchar_t=no
+    fi
+    echo "$as_me:$LINENO: result: $ac_isoC99_wchar_t" >&5
+echo "${ECHO_T}$ac_isoC99_wchar_t" >&6
+
+    # Use iconv for wchar_t to char conversions. As such, check for
+    # X/Open Portability Guide, version 2 features (XPG2).
+    if test "${ac_cv_header_iconv_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for iconv.h" >&5
+echo $ECHO_N "checking for iconv.h... $ECHO_C" >&6
+if test "${ac_cv_header_iconv_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_iconv_h" >&5
+echo "${ECHO_T}$ac_cv_header_iconv_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking iconv.h usability" >&5
+echo $ECHO_N "checking iconv.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <iconv.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking iconv.h presence" >&5
+echo $ECHO_N "checking iconv.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <iconv.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: iconv.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: iconv.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: iconv.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: iconv.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: iconv.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: iconv.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: iconv.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: iconv.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: iconv.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: iconv.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: iconv.h: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for iconv.h" >&5
+echo $ECHO_N "checking for iconv.h... $ECHO_C" >&6
+if test "${ac_cv_header_iconv_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_iconv_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_iconv_h" >&5
+echo "${ECHO_T}$ac_cv_header_iconv_h" >&6
+
+fi
+if test $ac_cv_header_iconv_h = yes; then
+  ac_has_iconv_h=yes
+else
+  ac_has_iconv_h=no
+fi
+
+
+    if test "${ac_cv_header_langinfo_h+set}" = set; then
+  echo "$as_me:$LINENO: checking for langinfo.h" >&5
+echo $ECHO_N "checking for langinfo.h... $ECHO_C" >&6
+if test "${ac_cv_header_langinfo_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_langinfo_h" >&5
+echo "${ECHO_T}$ac_cv_header_langinfo_h" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking langinfo.h usability" >&5
+echo $ECHO_N "checking langinfo.h usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <langinfo.h>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking langinfo.h presence" >&5
+echo $ECHO_N "checking langinfo.h presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <langinfo.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: langinfo.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: langinfo.h: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: present but cannot be compiled" >&5
+echo "$as_me: WARNING: langinfo.h: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: langinfo.h:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: langinfo.h: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: langinfo.h:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: langinfo.h: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: langinfo.h: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: langinfo.h: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for langinfo.h" >&5
+echo $ECHO_N "checking for langinfo.h... $ECHO_C" >&6
+if test "${ac_cv_header_langinfo_h+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_cv_header_langinfo_h=$ac_header_preproc
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_langinfo_h" >&5
+echo "${ECHO_T}$ac_cv_header_langinfo_h" >&6
+
+fi
+if test $ac_cv_header_langinfo_h = yes; then
+  ac_has_langinfo_h=yes
+else
+  ac_has_langinfo_h=no
+fi
+
+
+
+    # Check for existence of libiconv.a providing XPG2 wchar_t support.
+    echo "$as_me:$LINENO: checking for iconv in -liconv" >&5
+echo $ECHO_N "checking for iconv in -liconv... $ECHO_C" >&6
+if test "${ac_cv_lib_iconv_iconv+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-liconv  $LIBS"
+if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char iconv ();
+int
+main ()
+{
+iconv ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_iconv_iconv=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_iconv_iconv=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_iconv_iconv" >&5
+echo "${ECHO_T}$ac_cv_lib_iconv_iconv" >&6
+if test $ac_cv_lib_iconv_iconv = yes; then
+  LIBICONV="-liconv"
+fi
+
+    ac_save_LIBS="$LIBS"
+    LIBS="$LIBS $LIBICONV"
+
+
+
+
+
+
+for ac_func in iconv_open iconv_close iconv nl_langinfo
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $ac_func (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  eval "$as_ac_var=yes"
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+ ac_XPG2funcs=yes
+else
+  ac_XPG2funcs=no
+fi
+done
+
+
+    LIBS="$ac_save_LIBS"
+
+    echo "$as_me:$LINENO: checking for XPG2 wchar_t support" >&5
+echo $ECHO_N "checking for XPG2 wchar_t support... $ECHO_C" >&6
+    if test x"$ac_has_iconv_h" = xyes &&
+       test x"$ac_has_langinfo_h" = xyes &&
+       test x"$ac_XPG2funcs" = xyes;
+    then
+      ac_XPG2_wchar_t=yes
+    else
+      ac_XPG2_wchar_t=no
+    fi
+    echo "$as_me:$LINENO: result: $ac_XPG2_wchar_t" >&5
+echo "${ECHO_T}$ac_XPG2_wchar_t" >&6
+
+    # At the moment, only enable wchar_t specializations if all the
+    # above support is present.
+    if test x"$ac_isoC99_wchar_t" = xyes &&
+       test x"$ac_XPG2_wchar_t" = xyes;
+    then
+      cat >>confdefs.h <<\_ACEOF
+#define _GLIBCXX_USE_WCHAR_T 1
+_ACEOF
+
+      enable_wchar_t=yes
+    fi
+  fi
+  echo "$as_me:$LINENO: checking for enabled wchar_t specializations" >&5
+echo $ECHO_N "checking for enabled wchar_t specializations... $ECHO_C" >&6
+  echo "$as_me:$LINENO: result: $enable_wchar_t" >&5
+echo "${ECHO_T}$enable_wchar_t" >&6
+
+
+    # For showmanyc_helper().
+
+
+for ac_header in sys/ioctl.h sys/filio.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+  if test "${glibcxx_cv_POLL+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <poll.h>
+int
+main ()
+{
+struct pollfd pfd[1];
+       pfd[0].events = POLLIN;
+       poll(pfd, 1, 0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  glibcxx_cv_POLL=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+glibcxx_cv_POLL=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+
+fi
+
+  if test $glibcxx_cv_POLL = yes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_POLL 1
+_ACEOF
+
+  fi
+
+
+  if test "${glibcxx_cv_S_ISREG+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/stat.h>
+int
+main ()
+{
+struct stat buffer;
+       fstat(0, &buffer);
+       S_ISREG(buffer.st_mode);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  glibcxx_cv_S_ISREG=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+glibcxx_cv_S_ISREG=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+
+fi
+
+  if test "${glibcxx_cv_S_IFREG+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/stat.h>
+int
+main ()
+{
+struct stat buffer;
+       fstat(0, &buffer);
+       S_IFREG & buffer.st_mode;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  glibcxx_cv_S_IFREG=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+glibcxx_cv_S_IFREG=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+
+fi
+
+  if test $glibcxx_cv_S_ISREG = yes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_S_ISREG 1
+_ACEOF
+
+  elif test $glibcxx_cv_S_IFREG = yes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_S_IFREG 1
+_ACEOF
+
+  fi
+
+
+    # For xsputn_2().
+
+for ac_header in sys/uio.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+  # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  (eval $ac_compile) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest.$ac_objext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null; then
+  if test -s conftest.err; then
+    ac_cpp_err=$ac_c_preproc_warn_flag
+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+  else
+    ac_cpp_err=
+  fi
+else
+  ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    (
+      cat <<\_ASBOX
+## ----------------------------------------- ##
+## Report this to the package-unused lists.  ##
+## ----------------------------------------- ##
+_ASBOX
+    ) |
+      sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+  if test "${glibcxx_cv_WRITEV+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+    if test x$gcc_no_link = xyes; then
+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
+   { (exit 1); exit 1; }; }
+fi
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <sys/uio.h>
+int
+main ()
+{
+struct iovec iov[2];
+       writev(0, iov, 0);
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  glibcxx_cv_WRITEV=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+glibcxx_cv_WRITEV=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+
+fi
+
+  if test $glibcxx_cv_WRITEV = yes; then
+    cat >>confdefs.h <<\_ACEOF
+#define HAVE_WRITEV 1
+_ACEOF
+
+  fi
+
+    ;;
   *-qnx6.1* | *-qnx6.2*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 
diff --git a/libstdc++-v3/crossconfig.m4 b/libstdc++-v3/crossconfig.m4
index 115f0f3..83a29b4 100644
--- a/libstdc++-v3/crossconfig.m4
+++ b/libstdc++-v3/crossconfig.m4
@@ -264,6 +264,24 @@ case "${host}" in
       AC_DEFINE(HAVE_ISNANL)
     fi
     ;;
+  *-netware)
+    AC_CHECK_HEADERS([nan.h ieeefp.h sys/isa_defs.h sys/machine.h \
+      sys/types.h locale.h float.h inttypes.h])
+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
+    AC_SUBST(SECTION_FLAGS)
+    GLIBCXX_CHECK_LINKER_FEATURES
+    GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
+    GLIBCXX_CHECK_WCHAR_T_SUPPORT
+
+    # For showmanyc_helper().
+    AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
+    GLIBCXX_CHECK_POLL
+    GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
+
+    # For xsputn_2().
+    AC_CHECK_HEADERS(sys/uio.h)
+    GLIBCXX_CHECK_WRITEV
+    ;;
   *-qnx6.1* | *-qnx6.2*)
     SECTION_FLAGS='-ffunction-sections -fdata-sections'
     AC_SUBST(SECTION_FLAGS)