222 lines
6.4 KiB
Plaintext
222 lines
6.4 KiB
Plaintext
# Process this file with autoconf to produce a configure script, like so:
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# aclocal, autoconf, autoheader, automake
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AC_PREREQ(2.13)
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AC_INIT(src/complex.cc)
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AC_CONFIG_AUX_DIR(..)
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# Gets and sets build, host, target, *_vendor, *_cpu, *_os, etc.
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AC_CANONICAL_SYSTEM
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# We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring in a subdirectory])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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GLIBCPP_CONFIGURE(.)
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AC_LIBTOOL_DLOPEN
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AM_PROG_LIBTOOL
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GLIBCPP_CHECK_GNU_MAKE
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if test "x$_cv_gnu_make_command" = "x"; then
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AC_MSG_ERROR([GNU make not found. Please install it or correct your path.])
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fi
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AM_CONFIG_HEADER(config.h)
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# Check for c++ or library specific bits that don't require linking.
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GLIBCPP_CHECK_COMPILER_VERSION
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GLIBCPP_CHECK_CPU
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GLIBCPP_CHECK_OS
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AC_CACHE_SAVE
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# Enable all the crazy c++ stuff.
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GLIBCPP_ENABLE_DEBUG($USE_MAINTAINER_MODE)
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GLIBCPP_ENABLE_CSTDIO
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GLIBCPP_ENABLE_LONG_LONG(yes)
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GLIBCPP_ENABLE_SHADOW(no)
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GLIBCPP_ENABLE_THREADS
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GLIBCPP_ENABLE_ATOMICITY
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#GLIBCPP_ENABLE_RELIBGCC([../..])
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GLIBCPP_ENABLE_CXX_FLAGS([none])
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if test -n "$with_cross_host"; then
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# We are being configured with a cross compiler. AC_REPLACE_FUNCS
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# may not work correctly, because the compiler may not be able to
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# link executables.
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xcompiling=1
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NATIVE=no
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# If Canadian cross, then don't pick up tools from the build
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# directory.
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if test "$build" != "$with_cross_host"; then
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CANADIAN=yes
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NULL_TARGET=yes
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else
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CANADIAN=no
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NULL_TARGET=no
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fi
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case "$target_alias" in
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*-wince-*)
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# Configure for Microsoft Windows CE, or whatever they are
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# currently calling it.
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AC_DEFINE(HAVE_FLOAT_H)
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AC_DEFINE(HAVE__FINITE)
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AC_DEFINE(HAVE__ISNAN)
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AC_DEFINE(HAVE__COPYSIGN)
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AC_DEFINE(HAVE__FPCLASS)
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AC_DEFINE(HAVE_MODF)
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ctype_include_dir="config/os/wince"
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AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, bits/ctype_base.h)
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AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \
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bits/ctype_inline.h)
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AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \
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bits/ctype_noninline.h)
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AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
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AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
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AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
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;;
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*)
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# We assume newlib. This lets us hard-code the functions we know
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# we'll have.
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AC_DEFINE(HAVE_FINITE)
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AC_DEFINE(HAVE_ISNAN)
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AC_DEFINE(HAVE_ISNANF)
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AC_DEFINE(HAVE_ISINF)
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AC_DEFINE(HAVE_ISINFF)
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ctype_include_dir="config/os/newlib"
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AC_LINK_FILES($ctype_include_dir/bits/ctype_base.h, bits/ctype_base.h)
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AC_LINK_FILES($ctype_include_dir/bits/ctype_inline.h, \
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bits/ctype_inline.h)
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AC_LINK_FILES($ctype_include_dir/bits/ctype_noninline.h, \
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bits/ctype_noninline.h)
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AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
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AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
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AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
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# need to ceck for faster f versions of math functions, ie sinf?
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;;
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esac
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else
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# We are being configured natively. We can do more elaborate tests
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# that include AC_TRY_COMPILE now, as the linker is assumed to be
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# working.
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xcompiling=0
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NATIVE=yes
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CANADIAN=no
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NULL_TARGET=no
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# Check for available headers.
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AC_CHECK_HEADERS([nan.h ieeefp.h endian.h sys/isa_defs.h machine/endian.h \
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machine/param.h sys/machine.h fp.h locale.h float.h inttypes.h])
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GLIBCPP_CHECK_COMPILER_FEATURES
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GLIBCPP_CHECK_LINKER_FEATURES
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GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
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GLIBCPP_CHECK_MATH_SUPPORT
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GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
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GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT
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AC_CACHE_SAVE
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GLIBCPP_CHECK_WCHAR_T_SUPPORT
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GLIBCPP_CHECK_CTYPE
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AC_FUNC_MMAP
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fi
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AM_CONDITIONAL(CANADIAN, test "$CANADIAN" = yes)
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AM_CONDITIONAL(NULL_TARGET, test "$NULL_TARGET" = yes)
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AM_CONDITIONAL(NATIVE, test "$NATIVE" = yes || test "$NULL_TARGET" = yes)
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AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host")
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AC_LC_MESSAGES
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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# Generate the various Makefiles, include files, and scripts.
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# NB: Multilibs need MULTISUBDIR defined correctly in src/Makefile.am
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# so that multilib installs will end up installed in the correct
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# place. To work around this not being passed down from config-ml.in
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# -> top_srcdir/Makefile.am -> top_srcdir/src/Makefile.am, manually
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# append it here.
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AC_OUTPUT(mkcheck Makefile src/Makefile libmath/Makefile libio/Makefile libsupc++/Makefile,
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[if test -n "$CONFIG_FILES"; then
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ac_file=Makefile . ${glibcpp_basedir}/../config-ml.in
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grep '^MULTISUBDIR =' Makefile >> src/Makefile
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fi],
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srcdir=${srcdir}
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host=${host}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${multilib_arg} ${ac_configure_args}"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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glibcpp_basedir=${glibcpp_basedir}
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CC="${CC}"
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CXX="${CXX}"
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)
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blddir=`pwd`
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# Generate bits/c++config.h
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# NB: This must be the first generated file as others include it. . .
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AC_OUTPUT_COMMANDS([$srcdir/mkc++config $blddir $srcdir])
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# Generate bits/std_limits.h and src/limitsMEMBERS.cc
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AC_OUTPUT_COMMANDS([$srcdir/mknumeric_limits $blddir $srcdir $xcompiling])
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# Sanity checking & User-visible messages.
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# Checks down here, otherwise they get scrolled off before
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# the user will notice.
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if test "$enable_namespaces" = "yes" && test "$enable_libgcc_rebuild" = "no"
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then
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AC_MSG_WARN([libgcc.a will not match mangled symbols unless it is rebuilt])
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fi
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if test "$enable_namespaces" = "no" && test "$enable_libgcc_rebuild" != "no"
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then
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# Other things besides namespaces can make this true as well, but none
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# of them are done automatically... yet
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AC_MSG_WARN([no point in rebuilding libgcc.a if namespaces aren't used])
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fi
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# Trying to get more people to read documentation. Possibly remove
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# check and warn all the time. There is no "informational" AC_MSG_
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# macro, so these are going to be printed even when --quiet/--silent
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# is given.
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if test ! -f stamp-sanity-warned; then
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touch stamp-sanity-warned
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echo ""
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echo "Please make certain that you read the installation information here:"
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echo " faster => ${srcdir}/docs/install.html"
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echo " slower => <URL:http://sources.redhat.com/libstdc++/install.html>"
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echo ""
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echo "and the configuration information here:"
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echo " faster => ${srcdir}/docs/configopts.html"
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echo " slower => <URL:http://sources.redhat.com/libstdc++/configopts.html>"
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echo ""
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echo "before proceeding with ${_cv_gnu_make_command}."
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echo ""
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fi
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