412 lines
13 KiB
Plaintext
412 lines
13 KiB
Plaintext
# Process this file with autoconf to produce a configure script, like so:
|
|
# aclocal && autoconf && autoheader && automake
|
|
|
|
AC_PREREQ(2.13)
|
|
AC_INIT(src/ios.cc)
|
|
|
|
# This works around the fact that libtool configuration may change LD
|
|
# for this particular configuration, but some shells, instead of
|
|
# keeping the changes in LD private, export them just because LD is
|
|
# exported.
|
|
ORIGINAL_LD_FOR_MULTILIBS=$LD
|
|
|
|
PACKAGE=libstdc++
|
|
AC_SUBST(PACKAGE)
|
|
# For libtool versioning info, format is CURRENT:REVISION:AGE
|
|
libtool_VERSION=5:1:0
|
|
AC_SUBST(libtool_VERSION)
|
|
|
|
GLIBCPP_TOPREL_CONFIGURE
|
|
|
|
# Gets build, host, target, *_vendor, *_cpu, *_os, etc.
|
|
# AC 2.5x sets target_alias iff the user specified --target, but we use it
|
|
# everywhere, so we set it here just to be sure. In AC 2.13
|
|
# AC_CANONICAL_TARGET was known as AC_CANONICAL_SYSTEM.
|
|
AC_CANONICAL_SYSTEM
|
|
target_alias=${target_alias-$target}
|
|
AC_SUBST(target_alias)
|
|
|
|
# Runs configure.host and configure.target, as well as finds CC, CXX
|
|
# and assorted other critical bits. Have to run this before the
|
|
# GLIBCPP_ENABLE_* macros below.
|
|
GLIBCPP_CONFIGURE(.)
|
|
|
|
AM_INIT_AUTOMAKE($PACKAGE, $gcc_version)
|
|
AM_CONFIG_HEADER(config.h)
|
|
|
|
AC_LIBTOOL_DLOPEN
|
|
AM_PROG_LIBTOOL
|
|
AC_SUBST(enable_shared)
|
|
AC_SUBST(enable_static)
|
|
|
|
# Check for c++ or library specific bits that don't require linking.
|
|
#GLIBCPP_CHECK_COMPILER_VERSION
|
|
GLIBCPP_CHECK_GNU_MAKE
|
|
|
|
# Enable all the variable C++ stuff. C_MBCHAR must come early.
|
|
GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
|
|
GLIBCPP_ENABLE_CSTDIO
|
|
GLIBCPP_ENABLE_CLOCALE
|
|
GLIBCPP_ENABLE_C_MBCHAR([yes])
|
|
GLIBCPP_ENABLE_C99([yes])
|
|
GLIBCPP_ENABLE_LONG_LONG([yes])
|
|
GLIBCPP_ENABLE_CHEADERS([$c_model])
|
|
GLIBCPP_ENABLE_THREADS
|
|
GLIBCPP_ENABLE_CXX_FLAGS([none])
|
|
GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
|
|
GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS
|
|
GLIBCPP_ENABLE_CONCEPT_CHECKS
|
|
|
|
# Check for headers necessary for libsupc++ using dyn-string.c/cxa_demangle.c
|
|
AC_CHECK_HEADERS(string.h stdlib.h)
|
|
|
|
if test -n "$with_cross_host" || test x"$build" != x"$host"; then
|
|
|
|
# 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
|
|
|
|
# If Canadian cross, then don't pick up tools from the build
|
|
# directory.
|
|
if test -n "$with_cross_host" && test x"$build" != x"$with_cross_host"; then
|
|
CANADIAN=yes
|
|
else
|
|
CANADIAN=no
|
|
fi
|
|
|
|
# Construct crosses by hand, eliminating bits that need ld...
|
|
# GLIBCPP_CHECK_COMPILER_FEATURES
|
|
# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
|
|
# GLIBCPP_CHECK_MATH_SUPPORT
|
|
|
|
case "$target" 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)
|
|
;;
|
|
*-mingw32*)
|
|
AC_CHECK_HEADERS([sys/types.h locale.h float.h])
|
|
GLIBCPP_CHECK_LINKER_FEATURES
|
|
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
|
|
GLIBCPP_CHECK_WCHAR_T_SUPPORT
|
|
os_include_dir="config/os/mingw32"
|
|
;;
|
|
changequote(,)dnl
|
|
*-qnx6.[12]*)
|
|
changequote([,])dnl
|
|
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/qnx/qnx6.1"
|
|
AC_DEFINE(HAVE_COSF)
|
|
AC_DEFINE(HAVE_COSL)
|
|
AC_DEFINE(HAVE_COSHF)
|
|
AC_DEFINE(HAVE_COSHL)
|
|
AC_DEFINE(HAVE_LOGF)
|
|
AC_DEFINE(HAVE_LOGL)
|
|
AC_DEFINE(HAVE_LOG10F)
|
|
AC_DEFINE(HAVE_LOG10L)
|
|
AC_DEFINE(HAVE_SINF)
|
|
AC_DEFINE(HAVE_SINL)
|
|
AC_DEFINE(HAVE_SINHF)
|
|
AC_DEFINE(HAVE_SINHL)
|
|
;;
|
|
*)
|
|
os_include_dir="config/os/newlib"
|
|
AC_DEFINE(HAVE_HYPOT)
|
|
;;
|
|
esac
|
|
|
|
case "$target" in
|
|
*-mingw32*)
|
|
;;
|
|
*)
|
|
# 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)
|
|
;;
|
|
esac
|
|
|
|
# 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.
|
|
GLIBCPP_IS_CROSS_COMPILING=0
|
|
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])
|
|
|
|
GLIBCPP_CHECK_COMPILER_FEATURES
|
|
GLIBCPP_CHECK_LINKER_FEATURES
|
|
GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
|
|
GLIBCPP_CHECK_MATH_SUPPORT
|
|
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
|
|
GLIBCPP_CHECK_WCHAR_T_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
|
|
|
|
# This depends on the possibly-skipped linker test above.
|
|
GLIBCPP_ENABLE_SYMVERS([yes])
|
|
|
|
# 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"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
# Export all the install information
|
|
GLIBCPP_EXPORT_INSTALL_INFO
|
|
|
|
# Export all the include and flag information to makefiles.
|
|
GLIBCPP_EXPORT_INCLUDES
|
|
GLIBCPP_EXPORT_FLAGS
|
|
|
|
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
|
|
LD="${ORIGINAL_LD_FOR_MULTILIBS}"
|
|
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
|
|
grep '^MULTISUBDIR =' Makefile >> src/Makefile
|
|
grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
|
|
fi
|
|
chmod +x mkcheck
|
|
chmod +x testsuite_flags
|
|
],
|
|
srcdir=${srcdir}
|
|
host=${host}
|
|
target=${target}
|
|
with_multisubdir=${with_multisubdir}
|
|
ac_configure_args="${multilib_arg} ${ac_configure_args}"
|
|
CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
glibcpp_basedir=${glibcpp_basedir}
|
|
CC="${CC}"
|
|
CXX="${CXX}"
|
|
)
|
|
dnl In autoconf 2.5x, AC_OUTPUT is replaced by three AC_ macros:
|
|
dnl AC_CONFIG_FILES(Makefile \
|
|
dnl include/Makefile src/Makefile \
|
|
dnl libmath/Makefile libio/Makefile libsupc++/Makefile \
|
|
dnl po/Makefile testsuite/Makefile mkcheck testsuite_flags)
|
|
dnl AC_CONFIG_COMMANDS([default],
|
|
dnl [if test -n "$CONFIG_FILES"; then
|
|
dnl ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
|
|
dnl grep '^MULTISUBDIR =' Makefile >> src/Makefile
|
|
dnl grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
|
|
dnl fi
|
|
dnl chmod +x mkcheck
|
|
dnl chmod +x testsuite_flags
|
|
dnl ],
|
|
dnl srcdir=${srcdir}
|
|
dnl host=${host}
|
|
dnl target=${target}
|
|
dnl with_multisubdir=${with_multisubdir}
|
|
dnl ac_configure_args="${multilib_arg} ${ac_configure_args}"
|
|
dnl CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
|
|
dnl glibcpp_basedir=${glibcpp_basedir}
|
|
dnl CC="${CC}"
|
|
dnl CXX="${CXX}"
|
|
dnl )
|
|
dnl AC_OUTPUT
|
|
|
|
|
|
# Sanity checking & User-visible messages.
|
|
# Checks down here, otherwise they get scrolled off before
|
|
# the user will notice.
|
|
|
|
# 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/html/install.html"
|
|
echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>"
|
|
echo ""
|
|
echo "and the configuration information here:"
|
|
echo " faster => ${srcdir}/docs/html/configopts.html"
|
|
echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
|
|
echo ""
|
|
echo "before proceeding with ${_cv_gnu_make_command}."
|
|
echo ""
|
|
fi
|