# Process this file with autoconf to produce a configure script, like so:
-# aclocal -I m4, autoconf, autoheader, automake
+# aclocal, autoconf, autoheader, automake
AC_PREREQ(2.13)
-AC_INIT(src/complex.cc)
-AC_CONFIG_AUX_DIR(..)
+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 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,
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
-GLIBCPP_CHECK_CPU
-# Enable all the crazy c++ stuff.
-GLIBCPP_ENABLE_DEBUG
+# Enable all the crazy c++ stuff. C_MBCHAR must come early.
+GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
GLIBCPP_ENABLE_CSTDIO
-GLIBCPP_ENABLE_LONG_LONG
+GLIBCPP_ENABLE_CLOCALE
+GLIBCPP_ENABLE_C_MBCHAR([yes])
+GLIBCPP_ENABLE_C99([yes])
+GLIBCPP_ENABLE_LONG_LONG([yes])
+GLIBCPP_ENABLE_CHEADERS([c_std])
GLIBCPP_ENABLE_THREADS
-#GLIBCPP_ENABLE_RELIBGCC([../..])
GLIBCPP_ENABLE_CXX_FLAGS([none])
-
+GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
if test -n "$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 "$build" != "$with_cross_host"; then
+ if test x"$build" != x"$with_cross_host" && x"$build" != x"$target"; then
CANADIAN=yes
NULL_TARGET=yes
else
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)
-
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
+ *-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)
-
- ctype_include_dir="config/newlib"
- AC_SUBST(ctype_include_dir)
+ AC_DEFINE(HAVE_FINITE)
+ AC_DEFINE(HAVE_ISNAN)
+ AC_DEFINE(HAVE_ISNANF)
+ AC_DEFINE(HAVE_ISINF)
+ AC_DEFINE(HAVE_ISINFF)
- AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
+ os_include_dir="config/os/newlib"
- AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
- AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
- # need to ceck for faster f versions of math functions, ie sinf?
+ # 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
# 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_COMPLEX_SUPPORT
- GLIBCPP_CHECK_COMPLEX_FLOAT_SUPPORT
+ 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_CTYPE
+ 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
-AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
+# 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 "$NULL_TARGET" = yes)
-AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
-
+AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
+
+AC_CACHE_SAVE
AC_LC_MESSAGES
-
-# Sanity checking & User-visible messages.
-# Checks down here, otherwise they get scrolled off before
-# the user will notice.
-if test "$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 "$enable_libgcc_rebuild" != "no"
-then
- # Other things besides namespaces can make this true as well, but none
- # of them are done automatically... yet
- AC_MSG_WARN([no point in rebuilding libgcc.a if namespaces aren't used])
-fi
-
-
if test "${multilib}" = "yes"; then
multilib_arg="--enable-multilib"
else
# 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.
+# 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
-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)
+
+# 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 . ${glibcpp_basedir}/../config-ml.in
grep '^MULTISUBDIR =' Makefile >> src/Makefile
-fi],
+ grep '^MULTISUBDIR =' Makefile >> libsupc++/Makefile
+fi
+chmod +x mkcheck
+chmod +x testsuite_flags
+],
srcdir=${srcdir}
host=${host}
target=${target}
)
-blddir=`pwd`
-# Generate mkcheck having execute privs
-AC_OUTPUT_COMMANDS([chmod +x $blddir/mkcheck])
-
# Generate bits/c++config.h
# NB: This must be the first generated file as others include it. . .
-AC_OUTPUT_COMMANDS([$srcdir/mkc++config $blddir $srcdir])
+$srcdir/mkc++config $blddir $srcdir
# Generate bits/std_limits.h and src/limitsMEMBERS.cc
-AC_OUTPUT_COMMANDS([$srcdir/mknumeric_limits $blddir $srcdir $xcompiling])
-
-# Generate bits/c++threads.h
-AC_OUTPUT_COMMANDS([cp $srcdir/config/$THREADH $blddir/bits/c++threads.h])
-
-# Generate bits/c++io.h and src/c++io.cc
-AC_OUTPUT_COMMANDS([cp $srcdir/config/$CSTDIO_H $blddir/bits/c++io.h])
-AC_OUTPUT_COMMANDS([cp $srcdir/config/$CSTDIO_CC $blddir/src/c++io.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