-# 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_INIT(libstdc++, version-unused)
+AC_PREREQ(2.59)
+AC_INIT(package-unused, version-unused,, libstdc++)
AC_CONFIG_SRCDIR(src/ios.cc)
AC_CONFIG_HEADER(config.h)
### am handles this now? ORIGINAL_LD_FOR_MULTILIBS=$LD
# For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:0:0
+libtool_VERSION=6:9:0
AC_SUBST(libtool_VERSION)
# Find the rest of the source tree framework.
-GLIBCXX_TOPREL_CONFIGURE
+AM_ENABLE_MULTILIB(, ..)
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
#
# Handy for debugging:
#AC_MSG_NOTICE($build / $host / $target / $host_alias / $target_alias); sleep 5
+if test "$build" != "$host"; then
+ # We are being configured with some form of cross compiler.
+ GLIBCXX_IS_NATIVE=false
+ case "$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
+
# Sets up automake. Must come after AC_CANONICAL_SYSTEM. Each of the
# following is magically included in AUTOMAKE_OPTIONS in each Makefile.am.
# 1.x: minimum required version
# no-define: PACKAGE and VERSION will not be #define'd in config.h (a bunch
# of other PACKAGE_* variables will, however, and there's nothing
-# we can do about that)
+# we can do about that; they come from AC_INIT).
# foreign: we don't follow the normal rules for GNU packages (no COPYING
# file in the top srcdir, etc, etc), so stop complaining.
# no-dependencies: turns off auto dependency generation (just for now)
-# -Wall: turns on all automake warnings
-AM_INIT_AUTOMAKE([1.7.6 no-define foreign no-dependencies -Wall])
-
-# AM_INIT_AUTOMAKE sets this to the "smashed" format. Calling the library
-# "libstdc--" causes remarkable amounts of breakage. Thanks, automake.
-PACKAGE='libstdc++'
+# -Wall: turns on all automake warnings...
+# -Wno-portability: ...except this one, since GNU make is now required.
+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
-# Check for support bits and g++ features that don't require linking.
+# Possibly disable most of the library.
+## 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 compiler support that doesn't require linking.
GLIBCXX_ENABLE_SJLJ_EXCEPTIONS
-GLIBCXX_ENABLE_LIBUNWIND_EXCEPTIONS
-GLIBCXX_ENABLE_PCH([yes])
+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])
GLIBCXX_ENABLE_CXX_FLAGS
+GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING([no])
# No surprises, no surprises...
-if test $atomicity_include_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 $target_thread_file = single; then
AC_MSG_WARN([They cannot be faked when thread support is disabled.])
fi
-if test "$build" != "$host"; then
+if $GLIBCXX_IS_NATIVE; then
- # We are being configured with some form of cross compiler.
- GLIBCXX_IS_NATIVE=false
+ # We can do more elaborate tests that assume a working linker.
+ CANADIAN=no
+
+ # Check for available headers.
+ AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
+ machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h \
+ sys/types.h sys/ipc.h sys/sem.h])
+
+ GLIBCXX_CHECK_COMPILER_FEATURES
+ GLIBCXX_CHECK_LINKER_FEATURES
+ GLIBCXX_CHECK_MATH_SUPPORT
+ GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
+ GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCXX_CHECK_ICONV_SUPPORT
+ GLIBCXX_CHECK_STDLIB_SUPPORT
+
+ # For showmanyc_helper().
+ AC_CHECK_HEADERS(sys/ioctl.h sys/filio.h)
+ GLIBCXX_CHECK_POLL
+ GLIBCXX_CHECK_S_ISREG_OR_S_IFREG
+
+ # For xsputn_2().
+ AC_CHECK_HEADERS(sys/uio.h)
+ GLIBCXX_CHECK_WRITEV
+
+ # For the __streamoff_base_type typedef.
+ GLIBCXX_CHECK_INT64_T
+
+ # For LFS support.
+ GLIBCXX_CHECK_LFS
+
+ # For C99 support to TR1.
+ GLIBCXX_CHECK_C99_TR1
+
+ # For dev/random and dev/urandom for TR1.
+ GLIBCXX_CHECK_RANDOM_TR1
+
+ # For TLS support.
+ GCC_CHECK_TLS
+
+ # For _Unwind_GetIPInfo.
+ GCC_CHECK_UNWIND_GETIPINFO
+
+ AC_LC_MESSAGES
+
+ AC_TRY_COMPILE(
+ [#include <setjmp.h>],
+ [sigjmp_buf env;
+ while (! sigsetjmp (env, 1))
+ siglongjmp (env, 1);
+ ],
+ [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
+
+ AC_FUNC_MMAP
+
+else
# This lets us hard-code the functionality we know we'll have in the cross
# target environment. "Let" is a sugar-coated word placed on an especially
# crosses can be removed.
# If Canadian cross, then don't pick up tools from the build directory.
- # Used in GLIBCXX_EXPORT_INCLUDES (and nowhere else?).
+ # Used only in GLIBCXX_EXPORT_INCLUDES.
if test -n "$with_cross_host" &&
- test x"$build" != x"$with_cross_host" &&
+ test x"$build_alias" != x"$with_cross_host" &&
test x"$build" != x"$target";
then
CANADIAN=yes
# GLIBCXX_CHECK_STDLIB_SUPPORT
AC_DEFINE(HAVE_STRTOF)
- AC_DEFINE(HAVE_STRTOLD)
# AC_FUNC_MMAP
AC_DEFINE(HAVE_MMAP)
AC_DEFINE(HAVE_SQRTF)
AC_DEFINE(HAVE_TANF)
AC_DEFINE(HAVE_TANHF)
+
+ 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
AC_DEFINE(HAVE_TANHL)
fi
-else
-
- # We are being configured natively. We can do more elaborate tests that
- # include AC_TRY_COMPILE now, as the linker is assumed to be working.
- GLIBCXX_IS_NATIVE=true
- CANADIAN=no
-
- # 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])
-
- 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_STDLIB_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
-
- AC_LC_MESSAGES
-
- AC_TRY_COMPILE(
- [#include <setjmp.h>],
- [sigjmp_buf env;
- while (! sigsetjmp (env, 1))
- siglongjmp (env, 1);
- ],
- [AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available.])])
+ # Assume we have _Unwind_GetIPInfo for cross-compiles.
+ AC_DEFINE(HAVE_GETIPINFO)
- AC_FUNC_MMAP
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 $ac_ldbl_compat = yes)
# This depends on GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE.
GLIBCXX_CONFIGURE_TESTSUITE
# Propagate the target-specific source directories through the build chain.
-# (Nothing currently uses cpu_include_dir directly; only atomicity_include_dir
-# uses it, and it only gets used in this file.)
-ATOMICITY_INC_SRCDIR=config/${atomicity_include_dir}
+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}
-FPOS_INC_SRCDIR=config/${fpos_include_dir}
-AC_SUBST(ATOMICITY_INC_SRCDIR)
-AC_SUBST(FPOS_INC_SRCDIR)
+ABI_TWEAKS_SRCDIR=config/${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)
+#AM_CONDITIONAL(CANADIAN, test $CANADIAN = yes)
# from GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT:
-AM_CONDITIONAL(GLIBCXX_BUILD_LIBMATH, test $need_libmath = yes)
+#AM_CONDITIONAL(GLIBCXX_BUILD_LIBMATH, test $need_libmath = yes)
+GLIBCXX_EVALUATE_CONDITIONALS
AC_CACHE_SAVE
multilib_arg=
fi
-# Export all the install information
+# Export all the install information.
GLIBCXX_EXPORT_INSTALL_INFO
# Export all the include and flag information to Makefiles.
dnl In autoconf 2.5x, AC_OUTPUT is replaced by four AC_CONFIG_* macros,
dnl which can all be called multiple times as needed, plus one (different)
-dnl AC_OUPUT macro. This one lists the files to be created:
-AC_CONFIG_FILES([ \
+dnl AC_OUTPUT macro. This one lists the files to be created:
+AC_CONFIG_FILES( \
Makefile \
- include/Makefile \
- libmath/Makefile \
- libsupc++/Makefile \
- po/Makefile \
- src/Makefile \
- testsuite/Makefile \
- ])
-AC_CONFIG_FILES([scripts/check_survey],[chmod +x scripts/check_survey])
+ AC_FOREACH([DIR], glibcxx_SUBDIRS, [DIR/Makefile ])
+ )
AC_CONFIG_FILES([scripts/testsuite_flags],[chmod +x scripts/testsuite_flags])
dnl These commands are run at the end of config.status:
# To work around this not being passed down from config-ml.in ->
# srcdir/Makefile.am -> srcdir/{src,libsupc++,...}/Makefile.am, manually
# append it here. Only modify Makefiles that have just been created.
- for i in src libsupc++ testsuite; do
+ #
+ # Also, get rid of this simulated-VPATH thing that automake does.
+ cat > vpsed << \_EOF
+s!`test -f '$<' || echo '$(srcdir)/'`!!
+_EOF
+ for i in $SUBDIRS; do
case $CONFIG_FILES in
*${i}/Makefile*)
#echo "Adding MULTISUBDIR to $i/Makefile"
- grep '^MULTISUBDIR =' Makefile >> $i/Makefile
+ sed -f vpsed $i/Makefile > tmp
+ grep '^MULTISUBDIR =' Makefile >> tmp
+ mv tmp $i/Makefile
;;
esac
done
+ rm vpsed
fi
(cd include && ${MAKE-make})
],
[
-# No init-vars needed so far which aren't already passed by autoconf.
+# Variables needed in config.status (file generation) which aren't already
+# passed by autoconf.
+SUBDIRS="$SUBDIRS"
])
dnl And this actually makes things happen:
AC_OUTPUT
-
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