# 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, $release_VERSION)
+AM_CONFIG_HEADER(config.h)
+# Runs configure.host and configure.target, as well as finds CC, CXX
+# and assorted other critical bits. Have to run this before the
+# GLIBCPP_ENABLE_* macros below.
GLIBCPP_CONFIGURE(.)
+
AC_LIBTOOL_DLOPEN
-GLIBCPP_CHECK_GNU_MAKE
- if test "x$_cv_gnu_make_command" = "x"; then
- AC_MSG_ERROR([GNU Make not found. Please install it or correct your path.])
- fi
AM_PROG_LIBTOOL
-AM_CONFIG_HEADER(config.h)
+AC_SUBST(enable_shared)
+AC_SUBST(enable_static)
# Check for c++ or library specific bits that don't require linking.
-GLIBCPP_CHECK_COMPILER_VERSION
-GLIBCPP_CHECK_CPU
+#GLIBCPP_CHECK_COMPILER_VERSION
+GLIBCPP_CHECK_GNU_MAKE
-# Enable all the crazy c++ stuff.
-GLIBCPP_ENABLE_DEBUG
+# Enable all the variable C++ stuff. C_MBCHAR must come early.
+GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
GLIBCPP_ENABLE_CSTDIO
-GLIBCPP_ENABLE_LONG_LONG(yes)
-GLIBCPP_ENABLE_SHADOW(no)
+GLIBCPP_ENABLE_CLOCALE
+GLIBCPP_ENABLE_C_MBCHAR([yes])
+GLIBCPP_ENABLE_C99([yes])
+GLIBCPP_ENABLE_LONG_LONG([yes])
+GLIBCPP_ENABLE_CHEADERS([c_std])
GLIBCPP_ENABLE_THREADS
-#GLIBCPP_ENABLE_RELIBGCC([../..])
GLIBCPP_ENABLE_CXX_FLAGS([none])
+GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
+GLIBCPP_ENABLE_CONCEPT_CHECKS
-if test -n "$with_cross_host"; then
+if test -n "$with_cross_host" || test x"$build" != x"$host"; then
- # We are being configured with a cross compiler. AC_REPLACE_FUNCS
- # may not work correctly, because the compiler may not be able to
- # link executables.
+ # This lets us hard-code the functionality we know
+ # we'll have in the cross target environment. "Let" is a
+ # sugar-coated word placed on an especially dull and tedious hack, actually.
+ # Here's why GLIBCPP_CHECK_MATH_SUPPORT, and other autoconf macros
+ # that involve linking can't be used:
+ # "cannot open sim-crt0.o"
+ # "cannot open crt0.o"
+ # etc. All this is because there currently exists no unified,
+ # consistent way for top level CC information to be passed down
+ # to target directories: newlib includes, newlib linking info,
+ # libgloss versus newlib crt0.o, etc. When all of this is done, all
+ # of this hokey, excessive AC_DEFINE junk for crosses can be removed.
+
+ # We are being configured with some form of cross compiler.
+ GLIBCPP_IS_CROSS_COMPILING=1
- xcompiling=1
- NATIVE=no
# If Canadian cross, then don't pick up tools from the build
# directory.
- if test "$build" != "$with_cross_host"; then
+ if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
CANADIAN=yes
- NULL_TARGET=yes
else
CANADIAN=no
- NULL_TARGET=no
fi
- case "$target_alias" in
- *-wince-*)
- # Configure for Microsoft Windows CE, or whatever they are
- # currently calling it.
- AC_DEFINE(HAVE_FLOAT_H)
-
- AC_DEFINE(HAVE__FINITE)
- AC_DEFINE(HAVE__ISNAN)
- AC_DEFINE(HAVE__COPYSIGN)
- AC_DEFINE(HAVE__FPCLASS)
- AC_DEFINE(HAVE_MODF)
-
- ctype_include_dir="config/wince"
- AC_SUBST(ctype_include_dir)
-
- AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
+ # Construct crosses by hand, eliminating bits that need ld...
+ # GLIBCPP_CHECK_COMPILER_FEATURES
+ # GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
+ # GLIBCPP_CHECK_MATH_SUPPORT
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
- ;;
+ case "$target_alias" in
+ *-linux*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="config/os/gnu-linux"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_SINCOSF)
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_HYPOTL)
+ fi
+ ;;
+ *-hpux*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="config/os/hpux"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOT)
+ AC_DEFINE(HAVE_SINCOS)
+ AC_DEFINE(HAVE_SINCOSF)
+ ;;
+ *-netbsd*)
+ # 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 sys/types.h \
+ fp.h locale.h float.h inttypes.h])
+ SECTION_FLAGS='-ffunction-sections -fdata-sections'
+ AC_SUBST(SECTION_FLAGS)
+ GLIBCPP_CHECK_LINKER_FEATURES
+ GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
+ GLIBCPP_CHECK_WCHAR_T_SUPPORT
+ os_include_dir="config/os/bsd/netbsd"
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_HYPOTF)
+ ;;
*)
- # We assume newlib. This lets us hard-code the functions we know
- # we'll have.
- AC_DEFINE(HAVE_FINITE)
- AC_DEFINE(HAVE_ISNAN)
- AC_DEFINE(HAVE_ISNANF)
- AC_DEFINE(HAVE_ISINF)
- AC_DEFINE(HAVE_ISINFF)
-
- ctype_include_dir="config/newlib"
- AC_SUBST(ctype_include_dir)
-
- AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
-
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
- # need to ceck for faster f versions of math functions, ie sinf?
- ;;
+ os_include_dir="config/os/newlib"
+ AC_DEFINE(HAVE_HYPOT)
+ ;;
esac
+
+ # GLIBCPP_CHECK_STDLIB_SUPPORT
+ AC_DEFINE(HAVE_STRTOF)
+ AC_DEFINE(HAVE_STRTOLD)
+ # AC_FUNC_MMAP
+ AC_DEFINE(HAVE_MMAP)
+
+ AC_DEFINE(HAVE_ACOSF)
+ AC_DEFINE(HAVE_ASINF)
+ AC_DEFINE(HAVE_ATAN2F)
+ AC_DEFINE(HAVE_ATANF)
+ AC_DEFINE(HAVE_CEILF)
+ AC_DEFINE(HAVE_COPYSIGN)
+ AC_DEFINE(HAVE_COPYSIGNF)
+ AC_DEFINE(HAVE_COSF)
+ AC_DEFINE(HAVE_COSHF)
+ AC_DEFINE(HAVE_EXPF)
+ AC_DEFINE(HAVE_FABSF)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_FINITEF)
+ AC_DEFINE(HAVE_FLOORF)
+ AC_DEFINE(HAVE_FMODF)
+ AC_DEFINE(HAVE_FREXPF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISINFF)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ AC_DEFINE(HAVE_LDEXPF)
+ AC_DEFINE(HAVE_LOG10F)
+ AC_DEFINE(HAVE_LOGF)
+ AC_DEFINE(HAVE_MODFF)
+ AC_DEFINE(HAVE_POWF)
+ AC_DEFINE(HAVE_SINF)
+ AC_DEFINE(HAVE_SINHF)
+ AC_DEFINE(HAVE_SQRTF)
+ AC_DEFINE(HAVE_TANF)
+ AC_DEFINE(HAVE_TANHF)
+
+ # At some point, we should differentiate between architectures
+ # like x86, which have long double versions, and alpha/powerpc/etc.,
+ # which don't. For the time being, punt.
+ if test x"long_double_math_on_this_cpu" = x"yes"; then
+ AC_DEFINE(HAVE_ACOSL)
+ AC_DEFINE(HAVE_ASINL)
+ AC_DEFINE(HAVE_ATAN2L)
+ AC_DEFINE(HAVE_ATANL)
+ AC_DEFINE(HAVE_CEILL)
+ AC_DEFINE(HAVE_COPYSIGNL)
+ AC_DEFINE(HAVE_COSL)
+ AC_DEFINE(HAVE_COSHL)
+ AC_DEFINE(HAVE_EXPL)
+ AC_DEFINE(HAVE_FABSL)
+ AC_DEFINE(HAVE_FINITEL)
+ AC_DEFINE(HAVE_FLOORL)
+ AC_DEFINE(HAVE_FMODL)
+ AC_DEFINE(HAVE_FREXPL)
+ AC_DEFINE(HAVE_ISINFL)
+ AC_DEFINE(HAVE_ISNANL)
+ AC_DEFINE(HAVE_LDEXPL)
+ AC_DEFINE(HAVE_LOG10L)
+ AC_DEFINE(HAVE_LOGL)
+ AC_DEFINE(HAVE_MODFL)
+ AC_DEFINE(HAVE_POWL)
+ AC_DEFINE(HAVE_SINCOSL)
+ AC_DEFINE(HAVE_SINL)
+ AC_DEFINE(HAVE_SINHL)
+ AC_DEFINE(HAVE_SQRTL)
+ AC_DEFINE(HAVE_TANL)
+ 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.
-
- 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 \
- machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h])
+ machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h gconv.h])
GLIBCPP_CHECK_COMPILER_FEATURES
GLIBCPP_CHECK_LINKER_FEATURES
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
+ 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
-AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
-AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
-AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
-AC_LC_MESSAGES
+# Propagate the target-specific source directories through the build chain.
+OS_INC_SRCDIR=$os_include_dir/bits
+ATOMICITY_INC_SRCDIR=$ATOMICITYH/bits
+CPU_LIMITS_INC_SRCDIR=$CPULIMITSH/bits
+AC_SUBST(OS_INC_SRCDIR)
+AC_SUBST(ATOMICITY_INC_SRCDIR)
+AC_SUBST(CPU_LIMITS_INC_SRCDIR)
+# Set up cross-compile flags
+AC_SUBST(GLIBCPP_IS_CROSS_COMPILING)
+AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
+
+AC_CACHE_SAVE
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
multilib_arg=
fi
+# Needed so that g++ can find the correct include subdir automatically.
+INTERFACE=v3
-# Generate the various Makefiles, include files, and scripts.
+# Export all the install information
+GLIBCPP_EXPORT_INSTALL_INFO
-# 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.
+# Export all the include and flag information to makefiles.
+GLIBCPP_EXPORT_INCLUDES
+GLIBCPP_EXPORT_FLAGS
-AC_OUTPUT(mkcheck Makefile src/Makefile math/Makefile libio/Makefile,
+if ${CONFIG_SHELL-/bin/sh} ./libtool --tag CXX --features |
+ grep "enable shared" > /dev/null; then
+ LIBSUPCXX_PICFLAGS=-prefer-pic
+else
+ LIBSUPCXX_PICFLAGS=
+fi
+AC_SUBST(LIBSUPCXX_PICFLAGS)
+
+# Generate the various Makefiles, include files, and scripts.
+# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
+# and libsupc++/Makefile.am so that multilib installs will end up
+# installed in the correct place. To work around this not being passed
+# down from config-ml.in -> top_srcdir/Makefile.am ->
+# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
+AC_OUTPUT(Makefile \
+ include/Makefile src/Makefile \
+ libmath/Makefile libio/Makefile libsupc++/Makefile \
+ po/Makefile testsuite/Makefile mkcheck testsuite_flags,
[if test -n "$CONFIG_FILES"; then
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
grep '^MULTISUBDIR =' Makefile >> src/Makefile
-fi],
+ grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
+fi
+chmod +x mkcheck
+chmod +x testsuite_flags
+],
srcdir=${srcdir}
host=${host}
target=${target}
)
-blddir=`pwd`
-# Generate bits/c++config.h
-# NB: This must be the first generated file as others include it. . .
-AC_OUTPUT_COMMANDS([$srcdir/mkc++config $blddir $srcdir])
-
-# Generate bits/std_limits.h and src/limitsMEMBERS.cc
-AC_OUTPUT_COMMANDS([$srcdir/mknumeric_limits $blddir $srcdir $xcompiling])
-
-
# Sanity checking & User-visible messages.
# Checks down here, otherwise they get scrolled off before
# the user will notice.
-if test "$enable_namespaces" = "yes" && test "$enable_libgcc_rebuild" = "no"
-then
- AC_MSG_WARN([libgcc.a will not match mangled symbols unless it is rebuilt])
-fi
-if test "$enable_namespaces" = "no" && test "$enable_libgcc_rebuild" != "no"
-then
- # Other things besides namespaces can make this true as well, but none
- # of them are done automatically... yet
- AC_MSG_WARN([no point in rebuilding libgcc.a if namespaces aren't used])
-fi
-# Trying to get more people to read documentation. Possibly remove check
-# and warn all the time.
-if test ! -f .sanity_warned; then
- touch .sanity_warned
- # There is no "informational" AC_MSG_ macro, so these are going to be
- # printed even when --quiet/--silent is given.
- echo ''
- echo 'Please make certain that you read the installation information here:'
+# Trying to get more people to read documentation. Possibly remove
+# check and warn all the time. There is no "informational" AC_MSG_
+# macro, so these are going to be printed even when --quiet/--silent
+# is given.
+if test ! -f stamp-sanity-warned; then
+ touch stamp-sanity-warned
+ 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 ''
- echo 'and the configuration information here:'
+ 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 ''
- echo 'before proceeding with "make".'
- echo ''
+ echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
+ echo ""
+ echo "before proceeding with ${_cv_gnu_make_command}."
+ echo ""
fi
-
-
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