# aclocal, autoconf, autoheader, automake
AC_PREREQ(2.13)
-AC_INIT(src/complex.cc)
-AC_CONFIG_AUX_DIR(..)
-
-# Gets and sets build, host, target, *_vendor, *_cpu, *_os, etc.
+AC_INIT(src/ios.cc)
+
+PACKAGE=libstdc++
+AC_SUBST(PACKAGE)
+# For typical GNU versioning info, format is MAJOR.MINOR.MICRO
+release_VERSION=3.1.0
+AC_SUBST(release_VERSION)
+# For libtool versioning info, format is CURRENT:REVISION:AGE
+libtool_VERSION=4:0:0
+AC_SUBST(libtool_VERSION)
+
+# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
+# AC 2.50 sets target_alias iff the user specified --target, but we use it
+# everywhere, so we set it here just to be sure.
AC_CANONICAL_SYSTEM
+target_alias=${target_alias-$target}
+AC_SUBST(target_alias)
-# We use these options to decide which functions to include.
-AC_ARG_WITH(target-subdir,
-[ --with-target-subdir=SUBDIR
- configuring in a subdirectory])
-AC_ARG_WITH(cross-host,
-[ --with-cross-host=HOST configuring with a cross compiler])
+AM_INIT_AUTOMAKE($PACKAGE, $release_VERSION)
+AM_CONFIG_HEADER(config.h)
-# Runs configure.host and configure.target. Have to run this before
-# the GLIBCPP_ENABLE_* macros below.
+# Runs configure.host and configure.target, as well as finds CC, CXX
+# and assorted other critical bits. Have to run this before the
+# GLIBCPP_ENABLE_* macros below.
GLIBCPP_CONFIGURE(.)
AC_LIBTOOL_DLOPEN
AM_PROG_LIBTOOL
AC_SUBST(enable_shared)
AC_SUBST(enable_static)
-GLIBCPP_CHECK_GNU_MAKE
- if test "x$_cv_gnu_make_command" = "x"; then
- AC_MSG_ERROR([GNU make not found. Please install it or correct your path.])
- fi
-AM_CONFIG_HEADER(config.h)
# Check for c++ or library specific bits that don't require linking.
-GLIBCPP_CHECK_COMPILER_VERSION
+#GLIBCPP_CHECK_COMPILER_VERSION
+GLIBCPP_CHECK_GNU_MAKE
-# Enable all the crazy c++ stuff. C_MBCHAR must come early.
+# Enable all the variable C++ stuff. C_MBCHAR must come early.
GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
GLIBCPP_ENABLE_CSTDIO
+GLIBCPP_ENABLE_CLOCALE
GLIBCPP_ENABLE_C_MBCHAR([yes])
-GLIBCPP_ENABLE_LONG_LONG([no])
-GLIBCPP_ENABLE_SHADOW([no])
+GLIBCPP_ENABLE_C99([yes])
+GLIBCPP_ENABLE_LONG_LONG([yes])
+GLIBCPP_ENABLE_CHEADERS([c_std])
GLIBCPP_ENABLE_THREADS
-GLIBCPP_ENABLE_ATOMICITY
GLIBCPP_ENABLE_CXX_FLAGS([none])
+GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
+
-if test -n "$with_cross_host"; then
+if test -n "$with_cross_host" || test x"$build" != x"$host"; then
- # We are being configured with a cross compiler. AC_REPLACE_FUNCS
- # may not work correctly, because the compiler may not be able to
- # link executables.
- xcompiling=1
- NATIVE=no
+ # We are being configured with some form of cross compiler.
+ # mknumeric_limits may not work correctly, either because the
+ # compiler may not run on this machine, may not be able to link
+ # executables, or may produce executables we can't run on this
+ # machine. Thus, just use the pre-generated include/bits/limits_generic.h
+ GLIBCPP_IS_CROSS_COMPILING=1
# If Canadian cross, then don't pick up tools from the build
# directory.
- if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
+ if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
CANADIAN=yes
- NULL_TARGET=yes
else
CANADIAN=no
- NULL_TARGET=no
fi
case "$target_alias" in
- *-linux-*)
+ *-linux*)
# Construct linux crosses by hand, eliminating bits that need ld...
# 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])
+ machine/endian.h machine/param.h sys/machine.h sys/types.h \
+ fp.h locale.h float.h inttypes.h])
# GLIBCPP_CHECK_COMPILER_FEATURES
- WFMT_FLAGS='-fdiagnostics-show-location=once'
SECTION_FLAGS='-ffunction-sections -fdata-sections'
- AC_SUBST(WFMT_FLAGS)
AC_SUBST(SECTION_FLAGS)
GLIBCPP_CHECK_LINKER_FEATURES
# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
AC_DEFINE(HAVE_TANHL)
fi
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT
GLIBCPP_CHECK_WCHAR_T_SUPPORT
- # GLIBCPP_CHECK_CTYPE_SUPPORT
- ctype_include_dir="config/os/gnu-linux"
+ os_include_dir="config/os/gnu-linux"
# GLIBCPP_CHECK_STDLIB_SUPPORT
AC_DEFINE(HAVE_STRTOF)
AC_DEFINE(HAVE_STRTOLD)
AC_DEFINE(HAVE_ISINF)
AC_DEFINE(HAVE_ISINFF)
- ctype_include_dir="config/os/newlib"
os_include_dir="config/os/newlib"
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
# need to check for faster f versions of math functions, ie sinf?
;;
esac
# 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.
- xcompiling=0
- NATIVE=yes
+ GLIBCPP_IS_CROSS_COMPILING=0
CANADIAN=no
- NULL_TARGET=no
# Check for available headers.
AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
GLIBCPP_CHECK_MATH_SUPPORT
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
- GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT
GLIBCPP_CHECK_WCHAR_T_SUPPORT
- GLIBCPP_CHECK_CTYPE_SUPPORT
GLIBCPP_CHECK_STDLIB_SUPPORT
+ 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
+
+ # Establish limits on memory usage during 'make check'
+ GLIBCPP_CONFIGURE_TESTSUITE
fi
-# Now that ctype is determined for all possible targets, we can do this...
-AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, \
-include/bits/ctype_base.h)
-AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \
-include/bits/ctype_inline.h)
-AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \
-include/bits/ctype_noninline.h)
-
-AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
+
+# Propagate the target-specific source directories through the build chain.
+OS_INC_SRCDIR=$os_include_dir/bits
+ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits
+LIMITS_INC_SRCDIR=$LIMITSH/bits
+AC_SUBST(OS_INC_SRCDIR)
+AC_SUBST(ATOMICITY_INC_SRCDIR)
+AC_SUBST(LIMITS_INC_SRCDIR)
+
+# Set up cross-compile flags
+AC_SUBST(GLIBCPP_IS_CROSS_COMPILING)
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
AC_CACHE_SAVE
-AC_LC_MESSAGES
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
multilib_arg=
fi
-
-# Generate the various Makefiles, include files, and scripts.
-
-# This helps subvert libstdcxx_interface, as calculated by devo/config.if
# Needed so that g++ can find the correct include subdir automatically.
INTERFACE=v3
-# Check for the interface version number for specifying where header
-# files are installed, if a version number is provided.
-AC_MSG_CHECKING([for interface version number])
-libstdcxx_interface=$INTERFACE
-AC_MSG_RESULT($libstdcxx_interface)
-AC_SUBST(libstdcxx_interface)
-
-# Process the option --with-gxx-include-dir=<path to include-files directory>
-AC_MSG_CHECKING([for --with-gxx-include-dir])
-AC_ARG_WITH(gxx-include-dir,
-[ --with-gxx-include-dir the installation directory for include files],
-[case "${withval}" in
- yes)
- AC_MSG_ERROR(Missing directory for --with-gxx-include-dir)
- gxx_include_dir=no
- ;;
- no)
- gxx_include_dir=no
- ;;
- *)
- gxx_include_dir=${withval}
- ;;
-esac], [gxx_include_dir=no])
-AC_MSG_RESULT($gxx_include_dir)
-AC_SUBST(gxx_include_dir)
-AM_CONDITIONAL(GXX_INCLUDE_DIR, test x${gxx_include_dir} != xno)
-
-# Process the option "--enable-version-specific-runtime-libs"
-AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
-AC_ARG_ENABLE(version-specific-runtime-libs,
-[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
-[ version_specific_libs=yes
-# Need the gcc compiler version to know where to install libraries
-# and header files if --enable-version-specific-runtime-libs option
-# is selected.
-changequote(,)dnl
-gcc_tmp=`grep version_string ${srcdir}/../gcc/version.c | awk '{print $6}'`
-gcc_num=`echo ${gcc_tmp} | sed 's/\"//g'`
-#gcc_date=`grep version_string ${srcdir}/../gcc/version.c | awk '{print $7}'`
-#gcc_version=$gcc_num-$gcc_date
-gcc_version=$gcc_num
-changequote([,])dnl
-AC_SUBST(gcc_version)
-],version_specific_libs=no)
-AC_MSG_RESULT($version_specific_libs)
-if test x${version_specific_libs} = xyes; then
- AM_CONDITIONAL(VERSION_SPECIFIC_LIBS, test x${version_specific_libs} = xyes)
- AC_MSG_WARN(version specific directory is: $gcc_version)
-fi
-
-# We have to install all the generated or linked includes files
-# specified as build_headers in src/Makefile.am in a target-dependent
-# place, or else multiple installs for different compilers will
-# overwrite these files.
-# NB: Keep this and gcc/Makefile.in's -DGPLUSPLUS_TOOL_INCLUDE_DIR in sync.
-gxx_target_include_dir='$(exec_prefix)/$(target_alias)/include/g++-$(libstdcxx_interface)'
-AC_SUBST(gxx_target_include_dir)
-
+# Export all the install information
+GLIBCPP_EXPORT_INSTALL_INFO
# Export all the include and flag information to makefiles.
GLIBCPP_EXPORT_INCLUDES
GLIBCPP_EXPORT_FLAGS
-# This should be done by mkincludedir, but hack around it now.
-blddir=`pwd`
-echo "checking for $blddir/include"
-
-if test ! -d "$blddir/include"; then
- mkdir "$blddir/include"
+if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
+ grep "enable shared" > /dev/null; then
+ LIBSUPCXX_PICFLAGS=-prefer-pic
+else
+ LIBSUPCXX_PICFLAGS=
fi
+AC_SUBST(LIBSUPCXX_PICFLAGS)
+# Generate the various Makefiles, include files, and scripts.
# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
-# so that multilib installs will end up installed in the correct
-# place. To work around this not being passed down from config-ml.in
-# -> top_srcdir/Makefile.am -> top_srcdir/src/Makefile.am, manually
-# append it here.
-AC_OUTPUT(tests_flags mkcheck Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile,
+# and libsupc++/Makefile.am so that multilib installs will end up
+# installed in the correct place. To work around this not being passed
+# down from config-ml.in -> top_srcdir/Makefile.am ->
+# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
+AC_OUTPUT(Makefile \
+ include/Makefile src/Makefile \
+ libmath/Makefile libio/Makefile libsupc++/Makefile \
+ po/Makefile testsuite/Makefile mkcheck testsuite_flags,
[if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
grep '^MULTISUBDIR =' Makefile >> src/Makefile
+ grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
fi
-chmod +x tests_flags
chmod +x mkcheck
+chmod +x testsuite_flags
],
srcdir=${srcdir}
host=${host}
)
-# Generate bits/c++config.h
-# NB: This must be the first generated file as others include it. . .
-$srcdir/mkc++config $blddir $srcdir
-
-# Generate bits/std_limits.h and src/limitsMEMBERS.cc
-if test ! -f stamp-limits; then
- $srcdir/mknumeric_limits $blddir $srcdir $xcompiling
- if test ! -f include/bits/std_limits.h; then
- echo "mknumeric_limits failed to execute properly: exiting"
- exit 1
- else
- touch stamp-limits
- fi
-fi
-
-
# Sanity checking & User-visible messages.
# Checks down here, otherwise they get scrolled off before
# the user will notice.
echo ""
echo "Please make certain that you read the installation information here:"
echo " faster => ${srcdir}/docs/install.html"
- echo " slower => <URL:http://sources.redhat.com/libstdc++/install.html>"
+ echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>"
echo ""
echo "and the configuration information here:"
echo " faster => ${srcdir}/docs/configopts.html"
- echo " slower => <URL:http://sources.redhat.com/libstdc++/configopts.html>"
+ echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
echo ""
echo "before proceeding with ${_cv_gnu_make_command}."
echo ""
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