GCC 4.2.0 release C++ standard library and runtime support code.

1 files changed, 76 insertions, 24 deletions

diff --git a/contrib/libstdc++/configure.ac b/contrib/libstdc++/configure.ac
index f051ddc..6c00c6b 100644
--- a/contrib/libstdc++/configure.ac
+++ b/contrib/libstdc++/configure.ac
@@ -1,7 +1,6 @@
-# Process this file with autoconf to produce a configure script, like so:
-# aclocal && autoconf && autoheader && automake
+# Process this file with autoreconf to produce a configure script.
 
-AC_PREREQ(2.57)
+AC_PREREQ(2.59)
 AC_INIT(package-unused, version-unused,, libstdc++)
 AC_CONFIG_SRCDIR(src/ios.cc)
 AC_CONFIG_HEADER(config.h)
@@ -13,11 +12,11 @@ AC_CONFIG_HEADER(config.h)
 ### am handles this now?  ORIGINAL_LD_FOR_MULTILIBS=$LD
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:3:0
+libtool_VERSION=6:9:0
 AC_SUBST(libtool_VERSION)
 
 # Find the rest of the source tree framework.
-GLIBCXX_TOPREL_CONFIGURE
+AM_ENABLE_MULTILIB(, ..)
 
 # Gets build, host, target, *_vendor, *_cpu, *_os, etc.
 #
@@ -42,7 +41,24 @@ target_alias=${target_alias-$host_alias}
 if test "$build" != "$host"; then
   # We are being configured with some form of cross compiler.
   GLIBCXX_IS_NATIVE=false
-  GCC_NO_EXECUTABLES
+  case "$host","$target" in
+    # Darwin crosses can use the host system's libraries and headers,
+    # because of the fat library support.  Of course, it must be the
+    # same version of Darwin on both sides.  Allow the user to
+    # just say --target=foo-darwin without a version number to mean
+    # "the version on this system".
+      *-*-darwin*,*-*-darwin*)
+	hostos=`echo $host | sed 's/.*-darwin/darwin/'`
+	targetos=`echo $target | sed 's/.*-darwin/darwin/'`
+	if test $hostos = $targetos -o $targetos = darwin ; then
+	  GLIBCXX_IS_NATIVE=true
+	fi
+	;;
+
+      *)
+	GCC_NO_EXECUTABLES
+	;;
+  esac
 else
   GLIBCXX_IS_NATIVE=true
 fi
@@ -58,38 +74,36 @@ fi
 #  no-dependencies:  turns off auto dependency generation (just for now)
 #  -Wall:  turns on all automake warnings...
 #  -Wno-portability:  ...except this one, since GNU make is now required.
-AM_INIT_AUTOMAKE([1.7.6 no-define foreign no-dependencies -Wall -Wno-portability])
+AM_INIT_AUTOMAKE([1.9.3 no-define foreign no-dependencies -Wall -Wno-portability -Wno-override])
+AH_TEMPLATE(PACKAGE, [Name of package])
+AH_TEMPLATE(VERSION, [Version number of package])
 
 # Runs configure.host, finds CC, CXX, and assorted other critical bits.  Sets
 # up critical shell variables.
 GLIBCXX_CONFIGURE
 
-#AC_MSG_NOTICE([====== Starting libtool configuration])
 AC_LIBTOOL_DLOPEN
 AM_PROG_LIBTOOL
 AC_SUBST(enable_shared)
 AC_SUBST(enable_static)
-#AC_MSG_NOTICE([====== Finished libtool configuration]) ; sleep 10
 
 # Possibly disable most of the library.
-## XXX Consider skipping unncessary tests altogether in this case, rather
+## TODO: Consider skipping unncessary tests altogether in this case, rather
 ## than just ignoring the results.  Faster /and/ more correct, win win.
 GLIBCXX_ENABLE_HOSTED
 
-# Check for support bits and g++ features that don't require linking.
+# Check for compiler support that doesn't require linking.
 GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
 GLIBCXX_ENABLE_PCH($is_hosted)
 
 # Enable all the variable C++ runtime options.  
-# NB: C_MBCHAR must come early.
 GLIBCXX_ENABLE_CSTDIO
 GLIBCXX_ENABLE_CLOCALE
 GLIBCXX_ENABLE_ALLOCATOR
 GLIBCXX_ENABLE_CHEADERS($c_model)  dnl c_model from configure.host
-GLIBCXX_ENABLE_C_MBCHAR([yes])
-GLIBCXX_ENABLE_C99([yes])
 GLIBCXX_ENABLE_LONG_LONG([yes])
-GLIBCXX_ENABLE_THREADS
+GLIBCXX_ENABLE_WCHAR_T([yes])
+GLIBCXX_ENABLE_C99([yes])
 GLIBCXX_ENABLE_CONCEPT_CHECKS([no])
 GLIBCXX_ENABLE_DEBUG_FLAGS(["-g3 -O0"])
 GLIBCXX_ENABLE_DEBUG([no])
@@ -97,7 +111,9 @@ GLIBCXX_ENABLE_CXX_FLAGS
 GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
 
 # No surprises, no surprises...
-if test $atomicity_dir = cpu/generic ; then
+GLIBCXX_ENABLE_THREADS
+GLIBCXX_ENABLE_ATOMIC_BUILTINS
+if test $atomicity_dir = cpu/generic/atomic_mutex ; then
   AC_MSG_WARN([No native atomic operations are provided for this platform.])
   if test $target_thread_file = single; then
     AC_MSG_WARN([They cannot be faked when thread support is disabled.])
@@ -108,6 +124,7 @@ if test $atomicity_dir = cpu/generic ; then
   fi
 fi
 
+GLIBCXX_CHECK_COMPILER_FEATURES
 
 if $GLIBCXX_IS_NATIVE; then
 
@@ -117,14 +134,13 @@ if $GLIBCXX_IS_NATIVE; then
   # Check for available headers.
   AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
   machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
-  sys/types.h])
+  sys/types.h sys/ipc.h sys/sem.h])
 
-  GLIBCXX_CHECK_COMPILER_FEATURES
   GLIBCXX_CHECK_LINKER_FEATURES
   GLIBCXX_CHECK_MATH_SUPPORT
   GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
   GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
-  GLIBCXX_CHECK_WCHAR_T_SUPPORT
+  GLIBCXX_CHECK_ICONV_SUPPORT
   GLIBCXX_CHECK_STDLIB_SUPPORT
 
   # For showmanyc_helper().
@@ -142,6 +158,18 @@ if $GLIBCXX_IS_NATIVE; then
   # For LFS support.
   GLIBCXX_CHECK_LFS
 
+  # For C99 support to TR1.
+  GLIBCXX_CHECK_C99_TR1
+
+  # For dev/random and dev/urandom for TR1.
+  GLIBCXX_CHECK_RANDOM_TR1
+
+  # For TLS support.
+  GCC_CHECK_TLS
+
+  # For _Unwind_GetIPInfo.
+  GCC_CHECK_UNWIND_GETIPINFO
+
   AC_LC_MESSAGES
 
   AC_TRY_COMPILE(
@@ -182,7 +210,6 @@ else
   fi
 
   # Construct crosses by hand, eliminating bits that need ld...
-  # GLIBCXX_CHECK_COMPILER_FEATURES
   # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
   # GLIBCXX_CHECK_MATH_SUPPORT
 
@@ -225,7 +252,7 @@ else
     AC_DEFINE(HAVE_S_ISREG)
     AC_DEFINE(HAVE_S_IFREG)
   else
-    m4_include([crossconfig.m4])
+    GLIBCXX_CROSSCONFIG
   fi
 
   # At some point, we should differentiate between architectures
@@ -258,24 +285,50 @@ else
     AC_DEFINE(HAVE_TANHL)
   fi
 
+  # Assume we have _Unwind_GetIPInfo for cross-compiles.
+  AC_DEFINE(HAVE_GETIPINFO)
+
 fi
 
 # This depends on GLIBCXX CHECK_LINKER_FEATURES, but without it assumes no.
 GLIBCXX_ENABLE_SYMVERS([yes])
+GLIBCXX_ENABLE_VISIBILITY([yes])
+
+ac_ldbl_compat=no
+case "$target" in
+  powerpc*-*-*gnu* | \
+  sparc*-*-linux* | \
+  s390*-*-linux* | \
+  alpha*-*-linux*)
+  AC_TRY_COMPILE(, [
+#if !defined __LONG_DOUBLE_128__ || (defined(__sparc__) && defined(__arch64__))
+#error no need for long double compatibility
+#endif
+  ], [ac_ldbl_compat=yes], [ac_ldbl_compat=no])
+  if test "$ac_ldbl_compat" = yes; then
+    AC_DEFINE([_GLIBCXX_LONG_DOUBLE_COMPAT],1,
+	      [Define if compatibility should be provided for -mlong-double-64.])
+    port_specific_symbol_files="\$(top_srcdir)/config/os/gnu-linux/ldbl-extra.ver"
+  fi
+esac
+GLIBCXX_CONDITIONAL(GLIBCXX_LDBL_COMPAT, test $ac_ldbl_compat = yes)
 
 # This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
 GLIBCXX_CONFIGURE_TESTSUITE
 
 # Propagate the target-specific source directories through the build chain.
-# (Nothing currently uses cpu_include_dir directly; only atomicity_include_dir 
-# uses it, and it only gets used in this file.)
 ATOMICITY_SRCDIR=config/${atomicity_dir}
 ATOMIC_WORD_SRCDIR=config/${atomic_word_dir}
+CPU_DEFINES_SRCDIR=config/${cpu_defines_dir}
 OS_INC_SRCDIR=config/${os_include_dir}
+ABI_TWEAKS_SRCDIR=config/${abi_tweaks_dir}
 AC_SUBST(ATOMICITY_SRCDIR)
 AC_SUBST(ATOMIC_WORD_SRCDIR)
+AC_SUBST(CPU_DEFINES_SRCDIR)
+AC_SUBST(ABI_TWEAKS_SRCDIR)
 AC_SUBST(OS_INC_SRCDIR)
 
+
 # Determine cross-compile flags and AM_CONDITIONALs.
 #AC_SUBST(GLIBCXX_IS_NATIVE)
 #AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
@@ -314,7 +367,6 @@ AC_CONFIG_FILES( \
   Makefile \
   AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ])
   )
-AC_CONFIG_FILES([scripts/check_survey],[chmod +x scripts/check_survey])
 AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
 
 dnl These commands are run at the end of config.status: