04e7878615
* src/Makefile.am (VPATH): Delimit with ":", not space. * src/Makefile.in: Regenerate. * configure.in (use of GLIBCPP_CHECK_GNU_MAKE): Don't fail if GNU make isn't found. * configure: Regenerate. From-SVN: r42774
339 lines
9.7 KiB
Plaintext
339 lines
9.7 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)
|
|
|
|
# When building with srcdir == objdir, links to the source files will
|
|
# be created in directories within the target_subdir. We have to
|
|
# adjust toplevel_srcdir accordingly, so that configure finds
|
|
# install-sh and other auxiliary files that live in the top-level
|
|
# source directory.
|
|
if test "${srcdir}" = "."; then
|
|
if test -z "${with_target_subdir}"; then
|
|
toplevel_srcdir="\${top_srcdir}/.."
|
|
auxdir="${srcdir}/.."
|
|
else
|
|
if test "${with_target_subdir}" != "."; then
|
|
toplevel_srcdir="\${top_srcdir}/${with_multisrctop}../.."
|
|
auxdir="${srcdir}/${with_multisrctop}../.."
|
|
else
|
|
toplevel_srcdir="\${top_srcdir}/${with_multisrctop}.."
|
|
auxdir="${srcdir}/${with_multisrctop}.."
|
|
fi
|
|
fi
|
|
else
|
|
toplevel_srcdir="\${top_srcdir}/.."
|
|
auxdir="${srcdir}/.."
|
|
fi
|
|
AC_CONFIG_AUX_DIR($auxdir)
|
|
AC_SUBST(toplevel_srcdir)
|
|
|
|
dnl This is here just to satisfy automake.
|
|
ifelse(not,equal,[AC_CONFIG_AUX_DIR(..)])
|
|
|
|
# Gets and sets build, host, target, *_vendor, *_cpu, *_os, etc.
|
|
AC_CANONICAL_SYSTEM
|
|
|
|
# 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])
|
|
|
|
# Runs configure.host and configure.target. 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
|
|
|
|
|
|
|
|
AM_CONFIG_HEADER(config.h)
|
|
|
|
# Check for c++ or library specific bits that don't require linking.
|
|
GLIBCPP_CHECK_COMPILER_VERSION
|
|
|
|
# Enable all the crazy c++ stuff. C_MBCHAR must come early.
|
|
GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
|
|
GLIBCPP_ENABLE_CSTDIO
|
|
GLIBCPP_ENABLE_CLOCALE
|
|
GLIBCPP_ENABLE_C_MBCHAR([yes])
|
|
GLIBCPP_ENABLE_C99([yes])
|
|
GLIBCPP_ENABLE_LONG_LONG([yes])
|
|
GLIBCPP_ENABLE_CHEADERS([c_std])
|
|
GLIBCPP_ENABLE_THREADS
|
|
GLIBCPP_ENABLE_CXX_FLAGS([none])
|
|
GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
|
|
|
|
if test -n "$with_cross_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
|
|
|
|
# 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
|
|
CANADIAN=yes
|
|
NULL_TARGET=yes
|
|
else
|
|
CANADIAN=no
|
|
NULL_TARGET=no
|
|
fi
|
|
|
|
case "$target_alias" in
|
|
*-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])
|
|
|
|
# GLIBCPP_CHECK_COMPILER_FEATURES
|
|
SECTION_FLAGS='-ffunction-sections -fdata-sections'
|
|
AC_SUBST(SECTION_FLAGS)
|
|
GLIBCPP_CHECK_LINKER_FEATURES
|
|
# GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
|
|
# GLIBCPP_CHECK_MATH_SUPPORT
|
|
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_SINCOS)
|
|
AC_DEFINE(HAVE_SINCOSF)
|
|
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
|
|
GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
|
|
GLIBCPP_CHECK_WCHAR_T_SUPPORT
|
|
os_include_dir="config/os/gnu-linux"
|
|
# GLIBCPP_CHECK_STDLIB_SUPPORT
|
|
AC_DEFINE(HAVE_STRTOF)
|
|
AC_DEFINE(HAVE_STRTOLD)
|
|
# AC_FUNC_MMAP
|
|
AC_DEFINE(HAVE_MMAP)
|
|
;;
|
|
*)
|
|
# 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)
|
|
|
|
os_include_dir="config/os/newlib"
|
|
|
|
# need to check for faster f versions of math functions, ie sinf?
|
|
;;
|
|
esac
|
|
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
|
|
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 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_WCHAR_T_SUPPORT
|
|
GLIBCPP_CHECK_STDLIB_SUPPORT
|
|
|
|
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
|
|
fi
|
|
|
|
# Now that ctype is determined for all possible targets, we can do this...
|
|
AC_LINK_FILES($os_include_dir/bits/ctype_base.h, \
|
|
include/bits/ctype_base.h)
|
|
AC_LINK_FILES($os_include_dir/bits/ctype_inline.h, \
|
|
include/bits/ctype_inline.h)
|
|
AC_LINK_FILES($os_include_dir/bits/ctype_noninline.h, \
|
|
include/bits/ctype_noninline.h)
|
|
AC_LINK_FILES($ATOMICITYH/bits/atomicity.h, include/bits/atomicity.h)
|
|
|
|
AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
|
|
AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
|
|
AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
|
|
|
|
AC_CACHE_SAVE
|
|
AC_LC_MESSAGES
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
|
|
# Generate the various Makefiles, include files, and scripts.
|
|
|
|
# Needed so that g++ can find the correct include subdir automatically.
|
|
INTERFACE=v3
|
|
|
|
# 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)
|
|
|
|
# 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 "$blddir/include"
|
|
fi
|
|
|
|
# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
|
|
# and libsupc++/Makefile.am so that multilib installs will end up
|
|
# installed in the correct place. To work around this not being passed
|
|
# down from config-ml.in -> top_srcdir/Makefile.am ->
|
|
# top_srcdir/{src,libsupc++}/Makefile.am, manually append it here.
|
|
AC_OUTPUT(Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile testsuite/Makefile mkcheck testsuite_flags,
|
|
[if test -n "$CONFIG_FILES"; then
|
|
ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
|
|
grep '^MULTISUBDIR =' Makefile >> src/Makefile
|
|
grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
|
|
fi
|
|
chmod +x mkcheck
|
|
chmod +x testsuite_flags
|
|
],
|
|
srcdir=${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}"
|
|
)
|
|
|
|
|
|
# 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.
|
|
|
|
# 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://gcc.gnu.org/onlinedocs/libstdc++/install.html>"
|
|
echo ""
|
|
echo "and the configuration information here:"
|
|
echo " faster => ${srcdir}/docs/configopts.html"
|
|
echo " slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>"
|
|
echo ""
|
|
echo "before proceeding with ${_cv_gnu_make_command}."
|
|
echo ""
|
|
fi
|