0828a0bd1b
2000-07-07 Benjamin Kosnik <bkoz@soma.redhat.com> * configure.in (AC_OUTPUT_COMMANDS): Link $THREADS.h and c++threads.h instead of copying. * acinclude.m4 (GLIBCPP_ENABLE_THREADS): Do link here. Tweaks. From-SVN: r34918
1456 lines
47 KiB
Plaintext
1456 lines
47 KiB
Plaintext
dnl
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dnl Initialize configure bits.
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dnl
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dnl Define OPTLEVEL='-O2' if new inlining code present.
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dnl
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dnl GLIBCPP_CONFIGURE
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AC_DEFUN(GLIBCPP_CONFIGURE, [
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dnl Default to --enable-multilib
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AC_ARG_ENABLE(multilib,
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[ --enable-multilib build hella library versions (default)],
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[case "${enableval}" in
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yes) multilib=yes ;;
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no) multilib=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
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esac], [multilib=yes])dnl
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dnl We may get other options which we dont document:
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dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
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if test "[$]{srcdir}" = "."; then
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if test "[$]{with_target_subdir}" != "."; then
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glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
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else
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glibcpp_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
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fi
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else
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glibcpp_basedir="[$]{srcdir}/$1"
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fi
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AC_SUBST(glibcpp_basedir)
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AC_CANONICAL_HOST
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AM_INIT_AUTOMAKE(libstdc++, 2.90.8)
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# FIXME: We temporarily define our own version of AC_PROG_CC. This is
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# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
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# are probably using a cross compiler, which will not be able to fully
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# link an executable. This should really be fixed in autoconf
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# itself.
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AC_DEFUN(LIB_AC_PROG_CC,
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[AC_BEFORE([$0], [AC_PROG_CPP])dnl
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dnl Fool anybody using AC_PROG_CC.
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AC_PROVIDE([AC_PROG_CC])
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AC_CHECK_PROG(CC, gcc, gcc)
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if test -z "$CC"; then
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AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
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test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
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fi
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AC_PROG_CC_GNU
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if test $ac_cv_prog_gcc = yes; then
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GCC=yes
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dnl Check whether -g works, even if CFLAGS is set, in case the package
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dnl plays around with CFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS=
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AC_PROG_CC_G
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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elif test $ac_cv_prog_cc_g = yes; then
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CFLAGS="-g -O2"
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else
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CFLAGS="-O2"
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fi
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else
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GCC=
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test "${CFLAGS+set}" = set || CFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CC
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# Likewise for AC_PROG_CXX.
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AC_DEFUN(LIB_AC_PROG_CXX,
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[AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
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dnl Fool anybody using AC_PROG_CXX.
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AC_PROVIDE([AC_PROG_CXX])
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AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
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test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
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AC_PROG_CXX_GNU
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if test $ac_cv_prog_gxx = yes; then
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GXX=yes
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dnl Check whether -g works, even if CXXFLAGS is set, in case the package
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dnl plays around with CXXFLAGS (such as to build both debugging and
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dnl normal versions of a library), tasteless as that idea is.
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ac_test_CXXFLAGS="${CXXFLAGS+set}"
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ac_save_CXXFLAGS="$CXXFLAGS"
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CXXFLAGS=
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AC_PROG_CXX_G
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if test "$ac_test_CXXFLAGS" = set; then
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CXXFLAGS="$ac_save_CXXFLAGS"
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elif test $ac_cv_prog_cxx_g = yes; then
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CXXFLAGS="-g -O2"
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else
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CXXFLAGS="-O2"
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fi
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else
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GXX=
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test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
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fi
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])
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LIB_AC_PROG_CXX
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# AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we dont
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# run it explicitly here, it will be run implicitly before
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# LIBGCJ_CONFIGURE, which doesn't work because that means that it will
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# be run before AC_CANONICAL_HOST.
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AC_CANONICAL_BUILD
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AC_CHECK_TOOL(AS, as)
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, :)
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AC_PROG_INSTALL
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AM_MAINTAINER_MODE
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# We need AC_EXEEXT to keep automake happy in cygnus mode. However,
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# at least currently, we never actually build a program, so we never
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# need to use $(EXEEXT). Moreover, the test for EXEEXT normally
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# fails, because we are probably configuring with a cross compiler
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# which cant create executables. So we include AC_EXEEXT to keep
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# automake happy, but we dont execute it, since we dont care about
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# the result.
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if false; then
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AC_EXEEXT
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fi
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# configure.host sets the following important variables
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# glibcpp_cflags - host specific C compiler flags
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# glibcpp_cxxflags - host specific C++ compiler flags
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glibcpp_cflags=
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glibcpp_cxxflags=
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. [$]{glibcpp_basedir}/configure.host
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case [$]{glibcpp_basedir} in
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/* | [A-Za-z]:[/\\]*) libgcj_flagbasedir=[$]{glibcpp_basedir} ;;
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*) glibcpp_flagbasedir='[$](top_builddir)/'[$]{glibcpp_basedir} ;;
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esac
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GLIBCPP_CFLAGS="[$]{glibcpp_cflags}"
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GLIBCPP_CXXFLAGS="[$]{glibcpp_cxxflags}"
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AC_SUBST(GLIBCPP_CFLAGS)
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AC_SUBST(GLIBCPP_CXXFLAGS)
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])
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dnl
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dnl Check to see if g++ can compile this library, and if so, if any version-
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dnl specific precautions need to be taken.
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dnl
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dnl GLIBCPP_CHECK_COMPILER_VERSION
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AC_DEFUN(GLIBCPP_CHECK_COMPILER_VERSION, [
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# Sanity check that g++ is capable of dealing with v-3.
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AC_MSG_CHECKING([for g++ that will successfully compile this code])
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AC_EGREP_CPP([ok], [
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#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
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ok
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#endif
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], gpp_satisfactory=yes, AC_MSG_ERROR("please upgrade to gcc-2.95 or above"))
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AC_MSG_RESULT($gpp_satisfactory)
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])
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dnl
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dnl Test for newer compiler features, or features that are present in newer
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dnl compiler version but not older compiler versions should be placed
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dnl here.
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dnl
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dnl Define WFMT_FLAGS='-fdiagnostics-show-location=once' if possible
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dnl
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dnl Define WERROR='-Werror' if possible; g++'s that lack the new inlining
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dnl code or the new system_header pragma will die.
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dnl
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dnl Define SECTION_FLAGS='-ffunction-sections -fdata-sections' if
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dnl compiler supports it.
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dnl GLIBCPP_CHECK_COMPILER_FEATURES
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AC_DEFUN(GLIBCPP_CHECK_COMPILER_FEATURES, [
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# All these tests are for C++; save the language and the compiler flags.
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# The CXXFLAGS thing is suspicious, but based on similar bits
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# found in GLIBCPP_CONFIGURE.
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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ac_test_CXXFLAGS="${CXXFLAGS+set}"
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ac_save_CXXFLAGS="$CXXFLAGS"
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WERROR='-Werror'
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# Check for pragma system_header.
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AC_MSG_CHECKING([for g++ that supports pragma system_header])
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CXXFLAGS='-Wunknown-pragmas -Werror'
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AC_TRY_COMPILE([#pragma system_header], [int foo;
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], [ac_newpragma=yes], [ac_newpragma=no])
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if test "$ac_test_CXXFLAGS" = set; then
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CXXFLAGS="$ac_save_CXXFLAGS"
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else
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# this is the suspicious part
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CXXFLAGS=''
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fi
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if test "$ac_newpragma" = "no"; then
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WERROR="$WERROR -Wno-unknown-pragmas"
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fi
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AC_MSG_RESULT($ac_newpragma)
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# Check for more sophisticated diagnostic control.
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AC_MSG_CHECKING([for g++ that supports -fdiagnostics-show-location=once])
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CXXFLAGS='-fdiagnostics-show-location=once'
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AC_TRY_COMPILE(, [int foo;
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], [ac_gabydiags=yes], [ac_gabydiags=no])
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if test "$ac_test_CXXFLAGS" = set; then
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CXXFLAGS="$ac_save_CXXFLAGS"
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else
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# this is the suspicious part
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CXXFLAGS=''
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fi
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if test "$ac_gabydiags" = "yes"; then
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WFMT_FLAGS='-fdiagnostics-show-location=once'
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fi
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AC_MSG_RESULT($ac_gabydiags)
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# Check for -ffunction-sections -fdata-sections
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AC_MSG_CHECKING([for g++ that supports -ffunction-sections -fdata-sections])
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CXXFLAGS='-ffunction-sections -fdata-sections'
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AC_TRY_COMPILE(, [int foo;
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], [ac_fdsections=yes], [ac_fdsections=no])
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if test "$ac_test_CXXFLAGS" = set; then
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CXXFLAGS="$ac_save_CXXFLAGS"
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else
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# this is the suspicious part
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CXXFLAGS=''
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fi
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if test "$ac_fdsections" = "yes"; then
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SECTION_FLAGS='-ffunction-sections -fdata-sections'
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fi
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AC_MSG_RESULT($ac_fdsections)
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AC_LANG_RESTORE
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AC_SUBST(WERROR)
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AC_SUBST(WFMT_FLAGS)
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AC_SUBST(SECTION_FLAGS)
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])
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dnl
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dnl Check to see if tricky linker opts can be used.
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dnl
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dnl Define SECTION_LDFLAGS='-Wl,--gc-sections' if possible
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dnl GLIBCPP_CHECK_LINKER_FEATURES
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AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
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# All these tests are for C++; save the language and the compiler flags.
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# Need to do this so that g++ won't try to link in libstdc++
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ac_test_CFLAGS="${CFLAGS+set}"
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ac_save_CFLAGS="$CFLAGS"
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CFLAGS='-x c++ -Wl,--gc-sections'
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# Check for -Wl,--gc-sections
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AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
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AC_TRY_RUN([
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int main(void)
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{
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try { throw 1; }
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catch (...) { };
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return 0;
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}
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], [ac_sectionLDflags=yes], [ac_sectionLFflags=no], [ac_sectionLDflags=yes])
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if test "$ac_test_CFLAGS" = set; then
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CFLAGS="$ac_save_CFLAGS"
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else
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# this is the suspicious part
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CFLAGS=''
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fi
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if test "$ac_sectionLDflags" = "yes"; then
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SECTION_LDFLAGS='-Wl,--gc-sections'
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fi
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AC_MSG_RESULT($ac_sectionLDflags)
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AC_SUBST(SECTION_LDFLAGS)
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with ONE parameter
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dnl
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dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
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AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([for $1 declaration])
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0);],
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[use_$1=yes], [use_$1=no])
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AC_MSG_RESULT($use_$1)
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AC_LANG_RESTORE
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if test x$use_$1 = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with TWO parameters
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dnl
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dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
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AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([for $1 declaration])
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0, 0);],
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[use_$1=yes], [use_$1=no])
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AC_MSG_RESULT($use_$1)
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AC_LANG_RESTORE
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if test x$use_$1 = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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])
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dnl
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with THREE parameters
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dnl
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dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
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AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([for $1 declaration])
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0, 0, 0);],
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[use_$1=yes], [use_$1=no])
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AC_MSG_RESULT($use_$1)
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AC_LANG_RESTORE
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if test x$use_$1 = x"yes"; then
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AC_CHECK_FUNCS($1)
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fi
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])
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dnl
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dnl Because the builtins are picky picky picky about the arguments they take,
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dnl do an explict linkage tests here.
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dnl Check to see if the (math function) argument passed is
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dnl 1) declared when using the c++ compiler
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dnl 2) has "C" linkage
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dnl
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dnl Define HAVE_CARGF etc if "cargf" is declared and links
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dnl
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dnl argument 1 is name of function to check
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dnl
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dnl ASSUMES argument is a math function with ONE parameter
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dnl
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dnl GLIBCPP_CHECK_BUILTIN_MATH_DECL_LINKAGE_1
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AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1, [
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([for $1 declaration])
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AC_TRY_COMPILE([#include <math.h>],
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[ $1(0);],
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[use_$1=yes], [use_$1=no])
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AC_MSG_RESULT($use_$1)
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AC_LANG_RESTORE
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if test x$use_$1 = x"yes"; then
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AC_MSG_CHECKING([for $1 linkage])
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AC_TRY_LINK([#include <math.h>],
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[ $1(0);],
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[link_$1=yes], [link_$1=no])
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AC_MSG_RESULT($link_$1)
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if test x$link_$1 = x"yes"; then
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ac_tr_func=HAVE_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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AC_DEFINE_UNQUOTED(${ac_tr_func})
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fi
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fi
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])
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dnl
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dnl Check to see what builtin math functions are supported
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dnl
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dnl check for __builtin_abs
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dnl check for __builtin_fabsf
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dnl check for __builtin_fabs
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dnl check for __builtin_fabl
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dnl check for __builtin_labs
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dnl check for __builtin_sqrtf
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dnl check for __builtin_sqrtl
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dnl check for __builtin_fsqrt
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dnl check for __builtin_sinf
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dnl check for __builtin_sin
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dnl check for __builtin_sinl
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dnl check for __builtin_cosf
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dnl check for __builtin_cos
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dnl check for __builtin_cosl
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dnl
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dnl GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
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AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT, [
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dnl Test for builtin math functions.
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dnl These are made in gcc/c-common.c
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_abs)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabsf)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabs)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabsl)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_labs)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sqrtf)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fsqrt)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sqrtl)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sinf)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sin)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sinl)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cosf)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cos)
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GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cosl)
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dnl There is, without a doubt, a more elegant way to have these
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dnl names exported so that they won't be stripped out of acconfig.h by
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dnl autoheader. I leave this as an exercise to somebody less frustrated
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dnl than I.... please email the libstdc++ list if you can figure out a
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dnl more elegant approach (see autoconf/acgen.m4 and specifically
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dnl AC_CHECK_FUNC for things to steal.)
|
|
dummyvar=no
|
|
if test x$dummyvar = x"yes"; then
|
|
AC_DEFINE(HAVE___BUILTIN_ABS)
|
|
AC_DEFINE(HAVE___BUILTIN_LABS)
|
|
AC_DEFINE(HAVE___BUILTIN_COS)
|
|
AC_DEFINE(HAVE___BUILTIN_COSF)
|
|
AC_DEFINE(HAVE___BUILTIN_COSL)
|
|
AC_DEFINE(HAVE___BUILTIN_FABS)
|
|
AC_DEFINE(HAVE___BUILTIN_FABSF)
|
|
AC_DEFINE(HAVE___BUILTIN_FABSL)
|
|
AC_DEFINE(HAVE___BUILTIN_SIN)
|
|
AC_DEFINE(HAVE___BUILTIN_SINF)
|
|
AC_DEFINE(HAVE___BUILTIN_SINL)
|
|
AC_DEFINE(HAVE___BUILTIN_FSQRT)
|
|
AC_DEFINE(HAVE___BUILTIN_SQRTF)
|
|
AC_DEFINE(HAVE___BUILTIN_SQRTL)
|
|
fi
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check to see what the underlying c library or math library is like.
|
|
dnl These checks need to do two things:
|
|
dnl 1) make sure the name is declared when using the c++ compiler
|
|
dnl 2) make sure the name has "C" linkage
|
|
dnl This might seem like overkill but experience has shown that it's not...
|
|
dnl
|
|
dnl Define HAVE_CARGF etc if "cargf" is found.
|
|
dnl
|
|
dnl GLIBCPP_CHECK_MATH_SUPPORT
|
|
AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
|
|
ac_test_CXXFLAGS="${CXXFLAGS+set}"
|
|
ac_save_CXXFLAGS="$CXXFLAGS"
|
|
CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
|
|
|
|
dnl Check libm
|
|
AC_CHECK_LIB(m, sin, libm="-lm")
|
|
ac_save_LIBS="$LIBS"
|
|
LIBS="$LIBS $libm"
|
|
|
|
dnl Although not math functions, needed and for some reason checked here.
|
|
AC_CHECK_FUNCS(strtof strtold)
|
|
|
|
dnl Check to see if certain C math functions exist.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnan)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finite)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(copysign)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincos)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fpclass)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(qfpclass)
|
|
|
|
dnl Check to see if basic C math functions have float versions.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinff)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(acosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(asinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(atanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(atan2f)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(ceilf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(cosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(coshf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(expf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fabsf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(floorf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(fmodf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(frexpf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(logf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(log10f)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(modff)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(powf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sinhf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(tanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(tanhf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finitef)
|
|
|
|
dnl Check to see if basic C math functions have long double versions.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinfl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(copysignl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(acosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(asinl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(atanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(atan2l)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(ceill)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(cosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(coshl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(expl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fabsl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(floorl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(fmodl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(frexpl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(logl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(log10l)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(modfl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(powl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sinl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sinhl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(tanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(tanhl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finitel)
|
|
|
|
dnl Some runtimes have these functions with a preceding underscore. Please
|
|
dnl keep this sync'd with the one above. And if you add any new symbol,
|
|
dnl please add the corresponding block in the @BOTTOM@ section of acconfig.h.
|
|
dnl Check to see if certain C math functions exist.
|
|
dnl Check to see if certain C math functions exist.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnan)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finite)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysign)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincos)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fpclass)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_qfpclass)
|
|
|
|
dnl Check to see if basic C math functions have float versions.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinff)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_acosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_asinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_atanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_atan2f)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_ceilf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_cosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_coshf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_expf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_floorf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10f)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modff)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sinf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sinhf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_tanf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_tanhf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosf)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitef)
|
|
|
|
dnl Check to see if basic C math functions have long double versions.
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isnanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_isinfl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_copysignl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_acosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_asinl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_atanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_atan2l)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_ceill)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_cosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_coshl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_expl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_fabsl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_floorl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_fmodl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_frexpl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_ldexpl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_logl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_log10l)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_modfl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(_powl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sinl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sinhl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_sqrtl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_tanl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_tanhl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(_sincosl)
|
|
GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(_finitel)
|
|
|
|
LIBS="$ac_save_LIBS"
|
|
CXXFLAGS="$ac_save_CXXFLAGS"
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check to see if there is native support for complex
|
|
dnl
|
|
dnl Don't compile bits in math/* if native support exits.
|
|
dnl
|
|
dnl Define USE_COMPLEX_LONG_DOUBLE etc if "cargf" is found.
|
|
dnl
|
|
dnl GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
|
|
AC_DEFUN(GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT, [
|
|
dnl Check for complex versions of math functions of platform.
|
|
AC_CHECK_HEADERS([complex.h])
|
|
AC_REPLACE_MATHFUNCS(ccos ccosf ccosh ccoshf cexp cexpf c_log c_logf \
|
|
clog10 clog10f cpow cpowf csin csinf csinh csinhf csqrt csqrtf \
|
|
ctan ctanf ctanh ctanhf carg cargf nan hypot hypotf atan2f expf copysignf)
|
|
|
|
dnl Compile the long double complex functions only if the function
|
|
dnl provides the non-complex long double functions that are needed.
|
|
dnl Currently this includes copysignl and atan2l, which should be
|
|
dnl cached from the GLIBCPP_CHECK_MATH_SUPPORT macro, above.
|
|
USE_COMPLEX_LONG_DOUBLE=no
|
|
if test x$ac_cv_func_atan2l = x"yes" \
|
|
&& test x$ac_cv_func_copysignl = x"yes"; then
|
|
USE_COMPLEX_LONG_DOUBLE=yes
|
|
AC_REPLACE_MATHFUNCS(ccoshl ccosl cexpl cpowl csinhl csinl \
|
|
csqrtl ctanhl ctanl cargl hypotl signbitl c_logl clog10l)
|
|
fi
|
|
|
|
AC_SUBST(USE_COMPLEX_LONG_DOUBLE)
|
|
])
|
|
|
|
|
|
dnl Check to see what architecture we are compiling for. If it's
|
|
dnl supported, use special hand-crafted routines to provide thread
|
|
dnl primitives. Also, if architecture-specific flags are required for
|
|
dnl compilation, add them here.
|
|
dnl
|
|
dnl Depending on what is found, select configure/cpu/*/bits/atomicity.h
|
|
dnl If not found, select configure/cpu/generic/bits/atomicity.h
|
|
dnl
|
|
dnl GLIBCPP_CHECK_CPU
|
|
AC_DEFUN(GLIBCPP_CHECK_CPU, [
|
|
AC_MSG_CHECKING([for cpu primitives directory])
|
|
CPU_FLAGS=
|
|
case "$target_cpu" in
|
|
alpha*)
|
|
cpu_include_dir="config/cpu/alpha"
|
|
;;
|
|
arm*)
|
|
cpu_include_dir="config/cpu/arm"
|
|
;;
|
|
i386)
|
|
cpu_include_dir="config/cpu/i386"
|
|
;;
|
|
i486 | i586 | i686 | i786)
|
|
cpu_include_dir="config/cpu/i486"
|
|
;;
|
|
powerpc | rs6000)
|
|
cpu_include_dir="config/cpu/powerpc"
|
|
CPU_FLAGS='-mcpu=powerpc'
|
|
;;
|
|
sparc64 | ultrasparc)
|
|
cpu_include_dir="config/cpu/sparc/sparc64"
|
|
;;
|
|
sparc*)
|
|
cpu_include_dir="config/cpu/sparc/sparc32"
|
|
;;
|
|
*)
|
|
cpu_include_dir="config/cpu/generic"
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($cpu_include_dir)
|
|
AC_SUBST(cpu_include_dir)
|
|
AC_SUBST(CPU_FLAGS)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check to see what the underlying c library's interface to ctype looks
|
|
dnl like. Bits of locale rely on things like isspace, toupper, etc. This
|
|
dnl stuff makes sure the right bits from the clibrary get called.
|
|
dnl
|
|
dnl Depending on what is found, select various configure/*/bits/ctype_base.h
|
|
dnl Depending on what is found, select various configure/*/ctype.cc
|
|
dnl
|
|
dnl GLIBCPP_CHECK_CTYPE
|
|
AC_DEFUN(GLIBCPP_CHECK_CTYPE, [
|
|
AC_CHECK_HEADER(ctype.h, [
|
|
|
|
dnl If doesn't match any specified, go with defaults.
|
|
ctype_default=yes
|
|
|
|
dnl Test for <ctype> functionality -- gnu-linux
|
|
AC_MSG_CHECKING([<ctype> for gnu-linux ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _ISspace + _ISprint + _IScntrl + _ISupper + _ISlower + _ISalpha \
|
|
+ _ISdigit + _ISpunct + _ISxdigit + _ISalnum + _ISgraph \
|
|
+ __ctype_tolower[a] + __ctype_toupper[a] + __ctype_b[a];}], \
|
|
ctype_linux=yes, ctype_linux=no)
|
|
AC_MSG_RESULT($ctype_linux)
|
|
if test $ctype_linux = "yes"; then
|
|
ctype_include_dir="config/gnu-linux"
|
|
ctype_default=no
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- FreeBSD 4.0
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for freebsd 4.0 ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _CTYPE_S + _CTYPE_R + _CTYPE_C + _CTYPE_U + _CTYPE_L + _CTYPE_A \
|
|
+ _CTYPE_D + _CTYPE_P + _CTYPE_X + _CTYPE_G ;}], \
|
|
ctype_bsd=yes, ctype_bsd=no)
|
|
AC_MSG_RESULT($ctype_bsd)
|
|
if test $ctype_bsd = "yes"; then
|
|
ctype_include_dir="config/bsd"
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- FreeBSD 3.4
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for freebsd 3.4 ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _S + _R + _C + _U + _L + _A \
|
|
+ _D + _P + _X + _G + __istype (a, 0);}], \
|
|
ctype_freebsd34=yes, ctype_freebsd34=no)
|
|
AC_MSG_RESULT($ctype_freebsd34)
|
|
if test $ctype_freebsd34 = "yes"; then
|
|
ctype_include_dir="config/bsd"
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- solaris 2.6 and 2.7
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for solaris 2.[6,7,8] ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \
|
|
+ _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \
|
|
+ __trans_lower[a] + __trans_upper[a] + __ctype_mask[a];}], \
|
|
ctype_solaris=yes, ctype_solaris=no)
|
|
AC_MSG_RESULT($ctype_solaris)
|
|
|
|
if test $ctype_solaris = "yes"; then
|
|
AC_MSG_CHECKING([ for version])
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[typedef long* __to_type; __to_type const& _M_toupper = __trans_upper;],\
|
|
ctype_solaris26=yes, ctype_solaris26=no)
|
|
AC_LANG_C
|
|
if test $ctype_solaris26 = "yes"; then
|
|
ctype_include_dir="config/solaris/solaris2.6"
|
|
AC_MSG_RESULT("solaris2.6")
|
|
ctype_default=no
|
|
else
|
|
ctype_include_dir="config/solaris/solaris2.7"
|
|
AC_MSG_RESULT("solaris2.[7,8]")
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- solaris 2.5.1
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for solaris 2.5.1 ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _U + _L + _N + _S + _P + _C + _X + _B \
|
|
+ __ctype[a];}], \
|
|
ctype_solaris25=yes, ctype_solaris25=no)
|
|
AC_MSG_RESULT($ctype_solaris25)
|
|
if test $ctype_solaris25 = "yes"; then
|
|
ctype_include_dir="config/solaris/solaris2.5"
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- aix
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for aix ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _ISSPACE + _ISPRINT + _ISCNTRL + _ISUPPER + _ISLOWER + _ISALPHA \
|
|
+ _ISDIGIT + _ISPUNCT + _ISXDIGIT + _ISALNUM + _ISGRAPH \
|
|
+ _VALC('a') + _IS('c', 0);}], \
|
|
ctype_aix=yes, ctype_aix=no)
|
|
AC_MSG_RESULT($ctype_aix)
|
|
if test $ctype_aix = "yes"; then
|
|
ctype_include_dir="config/aix"
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
|
|
dnl Test for <ctype> functionality -- newlib
|
|
if test $ctype_default = "yes"; then
|
|
AC_MSG_CHECKING([<ctype> for newlib ])
|
|
AC_TRY_COMPILE([#include <ctype.h>],
|
|
[int
|
|
foo (int a)
|
|
{ return _U + _L + _N + _S + _P + _C + _X + _B \
|
|
+ _ctype_[a];}], \
|
|
ctype_newlib=yes, ctype_newlib=no)
|
|
AC_MSG_RESULT($ctype_newlib)
|
|
if test $ctype_newlib = "yes"; then
|
|
ctype_include_dir="config/newlib"
|
|
ctype_default=no
|
|
fi
|
|
fi
|
|
|
|
if test $ctype_default = "yes"; then
|
|
ctype_include_dir="config/generic"
|
|
AC_MSG_WARN("Using default ctype headers.")
|
|
fi
|
|
AC_SUBST(ctype_include_dir)
|
|
])
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check to see if this target can enable the wchar_t parts of libstdc++.
|
|
dnl
|
|
dnl Define _GLIBCPP_USE_WCHAR_T if all the bits are found
|
|
dnl Define _GLIBCPP_NEED_MBSTATE_T if mbstate_t is not in wchar.h
|
|
dnl
|
|
dnl GLIBCPP_CHECK_WCHAR_T_SUPPORT
|
|
AC_DEFUN(GLIBCPP_CHECK_WCHAR_T_SUPPORT, [
|
|
|
|
dnl Sanity check for existence of ISO C9X headers for extended encoding.
|
|
AC_CHECK_HEADER(wchar.h, ac_has_wchar_h=yes, ac_has_wchar_h=no)
|
|
AC_CHECK_HEADER(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no)
|
|
|
|
dnl Only continue checking if the ISO C9X headers exist.
|
|
if test x"$ac_has_wchar_h" = xyes && test x"$ac_has_wctype_h" = xyes; then
|
|
|
|
dnl Test wchar.h for mbstate_t, which is needed for char_traits and others.
|
|
AC_MSG_CHECKING([for mbstate_t])
|
|
AC_TRY_COMPILE([#include <wchar.h>],
|
|
[mbstate_t teststate;],
|
|
use_native_mbstatet=yes, use_native_mbstatet=no)
|
|
AC_MSG_RESULT($use_native_mbstatet)
|
|
if test x"$use_native_mbstatet" = xno; then
|
|
AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
|
|
fi
|
|
|
|
dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
|
|
dnl numeric_limits can instantiate type_traits<wchar_t>
|
|
AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX])
|
|
AC_TRY_COMPILE([#include <wchar.h>],
|
|
[int i = WCHAR_MIN; int j = WCHAR_MAX;],
|
|
has_wchar_minmax=yes, has_wchar_minmax=no)
|
|
AC_MSG_RESULT($has_wchar_minmax)
|
|
|
|
dnl Test wchar.h for WEOF, which is what we use to determine whether
|
|
dnl to specialize for char_traits<wchar_t> or not.
|
|
AC_MSG_CHECKING([for WEOF])
|
|
AC_TRY_COMPILE([
|
|
#include <wchar.h>
|
|
#include <stddef.h>],
|
|
[wint_t i = WEOF;],
|
|
has_weof=yes, has_weof=no)
|
|
AC_MSG_RESULT($has_weof)
|
|
|
|
dnl Tests for wide character functions used in char_traits<wchar_t>.
|
|
AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset, ac_wfuncs=yes, ac_wfuncs=no)
|
|
|
|
AC_MSG_CHECKING([for ISO C9X wchar_t support])
|
|
if test x"$has_weof" = xyes && test x"$has_wchar_minmax" = xyes && test x"$ac_wfuncs" = xyes; then
|
|
ac_isoC9X_wchar_t=yes
|
|
else
|
|
ac_isoC9X_wchar_t=no
|
|
fi
|
|
AC_MSG_RESULT($ac_isoC9X_wchar_t)
|
|
|
|
dnl Use iconv for wchar_t to char conversions. As such, check for
|
|
dnl X/Open Portability Guide, version 2 features (XPG2).
|
|
AC_CHECK_HEADER(iconv.h, ac_has_iconv_h=yes, ac_has_iconv_h=no)
|
|
AC_CHECK_FUNCS(iconv_open iconv_close iconv, ac_XPG2funcs=yes, ac_XPG2funcs=no)
|
|
|
|
AC_MSG_CHECKING([for XPG2 wchar_t support])
|
|
if test x"$ac_has_iconv_h" = xyes && test x"$ac_XPG2funcs" = xyes; then
|
|
ac_XPG2_wchar_t=yes
|
|
else
|
|
ac_XPG2_wchar_t=no
|
|
fi
|
|
AC_MSG_RESULT($ac_XPG2_wchar_t)
|
|
|
|
dnl At the moment, only enable wchar_t specializations if all the
|
|
dnl above support is present.
|
|
AC_MSG_CHECKING([for enabled wchar_t specializations])
|
|
if test x"$ac_isoC9X_wchar_t" = xyes && test x"$ac_XPG2_wchar_t" = xyes; then
|
|
libinst_wstring_la="libinst-wstring.la"
|
|
AC_DEFINE(_GLIBCPP_USE_WCHAR_T)
|
|
AC_MSG_RESULT("yes")
|
|
else
|
|
libinst_wstring_la=""
|
|
AC_MSG_RESULT("no")
|
|
fi
|
|
AC_SUBST(libinst_wstring_la)
|
|
|
|
else
|
|
AC_MSG_WARN([<wchar.h> not found])
|
|
AC_DEFINE(_GLIBCPP_NEED_MBSTATE_T)
|
|
fi
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check to see if this version of GNU C++ is afflicted by bugs in
|
|
dnl __complex__ float support.
|
|
dnl
|
|
dnl Define _GLIBCPP_BUGGY_FLOAT_COMPLEX if buggy.
|
|
dnl
|
|
dnl Check to see if this version of GNU C++ is afflicted by bugs in
|
|
dnl __complex__ support.Check for buggy __complex__ that will cause ICE in
|
|
dnl gcc-2.95.x when using the library, unless we define the default copy
|
|
dnl ctor in the specializations of complex<>.
|
|
dnl
|
|
dnl Define _GLIBCPP_BUGGY_COMPLEX if buggy.
|
|
dnl GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT
|
|
AC_DEFUN(GLIBCPP_CHECK_COMPLEX_MATH_COMPILER_SUPPORT, [
|
|
AC_REQUIRE([AC_PROG_CXX])
|
|
|
|
AC_MSG_CHECKING([for GNU C++ __complex__ support])
|
|
AC_CACHE_VAL(glibcpp_cv_complex, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
AC_TRY_COMPILE([struct dcomplex { __complex__ double x; }; \
|
|
dcomplex f(const dcomplex& x) { return dcomplex(x); }], \
|
|
[ dcomplex x; f(x); ],
|
|
glibcpp_cv_complex=ok,
|
|
glibcpp_cv_complex=buggy
|
|
)
|
|
AC_LANG_RESTORE
|
|
])
|
|
AC_MSG_RESULT($glibcpp_cv_complex)
|
|
if test $glibcpp_cv_complex = buggy; then
|
|
AC_DEFINE(_GLIBCPP_BUGGY_COMPLEX)
|
|
fi
|
|
|
|
AC_MSG_CHECKING([for GNU C++ __complex__ float support])
|
|
AC_CACHE_VAL(glibcpp_cv_float_complex, [
|
|
AC_LANG_SAVE
|
|
AC_LANG_CPLUSPLUS
|
|
rm -f conftest.h
|
|
cat > conftest.h <<EOB
|
|
//
|
|
// Check for buggy __complex__ that causes ICE in most versions of egcs
|
|
// and gcc-2.95.x on certain platforms (eg., x86-win32).
|
|
//
|
|
// See http://egcs.cygnus.com/ml/gcc-bugs/1999-07/msg00845.html for
|
|
// more info on the bug itself.
|
|
//
|
|
struct
|
|
float_complex
|
|
{
|
|
__complex__ float m_value;
|
|
float_complex (float = 0.0f, float = 0.0f);
|
|
float_complex (__complex__ float val) : m_value (val) {}
|
|
float_complex foo (const float_complex &val)
|
|
{ return float_complex (~val.m_value); }
|
|
};
|
|
EOB
|
|
AC_TRY_COMPILE([#include "conftest.h"], ,
|
|
glibcpp_cv_float_complex=ok,
|
|
glibcpp_cv_float_complex=buggy
|
|
)
|
|
AC_LANG_RESTORE
|
|
])
|
|
AC_MSG_RESULT($glibcpp_cv_float_complex)
|
|
if test $glibcpp_cv_float_complex = buggy; then
|
|
AC_DEFINE(_GLIBCPP_BUGGY_FLOAT_COMPLEX)
|
|
fi
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for special debugging mode; not for production use.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_DEBUG
|
|
dnl --enable-debug sets '-ggdb -O0'.
|
|
dnl --disable-debug sets '-g' and whatever optimization options the
|
|
dnl compiler can handle.
|
|
dnl + Perhaps --enable-maintainer-mode should automatically turn this on?
|
|
dnl + Perhaps -D/-U of NDEBUG, DEBUG, DEBUG_ASSERT, ...?
|
|
dnl + Usage: GLIBCPP_ENABLE_DEBUG[(DEFAULT)]
|
|
dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
|
|
dnl defaults to `no'.
|
|
AC_DEFUN(GLIBCPP_ENABLE_DEBUG, [dnl
|
|
define([GLIBCPP_ENABLE_DEBUG_DEFAULT], ifelse($1, yes, yes, no))dnl
|
|
AC_ARG_ENABLE(debug,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-debug extra debugging, turn off optimization [default=>>GLIBCPP_ENABLE_DEBUG_DEFAULT],
|
|
changequote([, ])dnl
|
|
[case "$enableval" in
|
|
yes) enable_debug=yes ;;
|
|
no) enable_debug=no ;;
|
|
*) AC_MSG_ERROR([Unknown argument to enable/disable extra debugging]) ;;
|
|
esac],
|
|
enable_debug=GLIBCPP_ENABLE_DEBUG_DEFAULT)dnl
|
|
dnl Option parsed, now set things appropriately
|
|
case "$enable_debug" in
|
|
yes)
|
|
DEBUG_FLAGS='-O0 -ggdb'
|
|
;;
|
|
no)
|
|
DEBUG_FLAGS='-g'
|
|
;;
|
|
esac
|
|
AC_SUBST(DEBUG_FLAGS)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for "unusual" flags to pass to the compiler while building.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_CXX_FLAGS
|
|
dnl --enable-cxx-flags='-foo -bar -baz' is a general method for passing
|
|
dnl experimental flags such as -fhonor-std, -fsquangle, -Dfloat=char, etc.
|
|
dnl Somehow this same set of flags must be passed when [re]building
|
|
dnl libgcc.
|
|
dnl --disable-cxx-flags passes nothing.
|
|
dnl + See http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00131.html
|
|
dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q2/msg00284.html
|
|
dnl http://sourceware.cygnus.com/ml/libstdc++/2000-q1/msg00035.html
|
|
dnl + Usage: GLIBCPP_ENABLE_CXX_FLAGS(default flags)
|
|
dnl If "default flags" is an empty string (or "none"), the effect is
|
|
dnl the same as --disable or --enable=no.
|
|
AC_DEFUN(GLIBCPP_ENABLE_CXX_FLAGS, [dnl
|
|
define([GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], ifelse($1,,, $1))dnl
|
|
AC_ARG_ENABLE(cxx-flags,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-cxx-flags=FLAGS pass compiler FLAGS when building library;
|
|
[default=>>GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT],
|
|
changequote([, ])dnl
|
|
[case "x$enableval" in
|
|
xyes) AC_MSG_ERROR([--enable-cxx-flags needs compiler flags as arguments]) ;;
|
|
xno|x) enable_cxx_flags='' ;;
|
|
*) enable_cxx_flags="$enableval" ;;
|
|
esac],
|
|
enable_cxx_flags='GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT')dnl
|
|
dnl Thinko on my part during design. This kludge is the workaround.
|
|
if test "$enable_cxx_flags" = "none"; then enable_cxx_flags=''; fi
|
|
dnl Run through flags (either default or command-line) and set anything
|
|
dnl extra (e.g., #defines) that must accompany particular g++ options.
|
|
if test -n "$enable_cxx_flags"; then
|
|
for f in $enable_cxx_flags; do
|
|
case "$f" in
|
|
-fhonor-std) ;;
|
|
-*) ;;
|
|
*) # and we're trying to pass /what/ exactly?
|
|
AC_MSG_ERROR([compiler flags start with a -]) ;;
|
|
esac
|
|
done
|
|
fi
|
|
EXTRA_CXX_FLAGS="$enable_cxx_flags"
|
|
AC_SUBST(EXTRA_CXX_FLAGS)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for instructions to automatically rebuild libgcc.a. Requires,
|
|
dnl of course, the location of the gcc objdir. Note that if --disable-
|
|
dnl namespaces is in effect, rebuilding libgcc.a is an expensive no-op.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_RELIBGCC
|
|
dnl --enable-libgcc-rebuild=/absolute/path/to/gcc/objdir sets GCC_OBJDIR
|
|
dnl (presumably in the top-level Makefile) to /absol.../objdir
|
|
dnl --disable-libgcc-rebuild will not touch libgcc.a at all (maybe print
|
|
dnl a warning if this is given along with --enable-namespaces), by
|
|
dnl setting GCC_OBJDIR to `no'.
|
|
dnl + Doing this by default is going to be interesting. What default
|
|
dnl "on" value can there be?
|
|
dnl + Usage: GLIBCPP_ENABLE_RELIBGCC[(DEFAULT)]
|
|
dnl The default path should be ../.. if bundled with GCC source.
|
|
dnl If ommitted, it defaults to `no'.
|
|
dnl
|
|
AC_DEFUN(GLIBCPP_ENABLE_RELIBGCC, [dnl
|
|
define([GLIBCPP_ENABLE_RELIBGCC_DEFAULT], ifelse($1,, no, $1))dnl
|
|
AC_ARG_ENABLE(libgcc-rebuild,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-libgcc-rebuild=DIR also rebuild libgcc.a; DIR is
|
|
the GCC objdir; see install.html>>,
|
|
changequote([, ])dnl
|
|
[case "$enableval" in
|
|
yes) AC_MSG_ERROR([--enable-libgcc-rebuild needs a pathname]) ;;
|
|
no) enable_libgcc_rebuild=no ;;
|
|
*) if test -d "$enableval" && test -d "${enableval}/gcc" && \
|
|
test -d "${enableval}/libiberty"
|
|
then
|
|
enable_libgcc_rebuild="$enableval"
|
|
else
|
|
AC_MSG_ERROR(["$enableval" does not appear to be the GCC objdir])
|
|
fi
|
|
;;
|
|
esac],
|
|
enable_libgcc_rebuild=GLIBCPP_ENABLE_RELIBGCC_DEFAULT)dnl
|
|
GCC_OBJDIR="$enable_libgcc_rebuild"
|
|
AC_SUBST(GCC_OBJDIR)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for which I/O library to use: libio, or something specific.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_CSTDIO
|
|
dnl --enable-cstdio=libio sets config/c_io_libio.h and friends
|
|
dnl
|
|
dnl default is libio
|
|
dnl
|
|
AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [
|
|
AC_MSG_CHECKING([for cstdio to use])
|
|
AC_ARG_ENABLE(cstdio,
|
|
[ --enable-cstdio enable GNU libio for target io package. (default)
|
|
--enable-cstdio=LIB use LIB target-speific io package.],
|
|
if test x$enable_cstdio = xno; then
|
|
enable_cstdio=libio
|
|
fi,
|
|
enable_cstdio=libio)
|
|
|
|
enable_cstdio_flag=$enable_cstdio
|
|
|
|
dnl Check if a valid thread package
|
|
case x${enable_cstdio_flag} in
|
|
xlibio | x | xno | xnone | xyes)
|
|
# default
|
|
CSTDIO_H=config/c_io_libio.h
|
|
CSTDIO_CC=config/c_io_libio.cc
|
|
AC_MSG_RESULT(libio)
|
|
|
|
# see if we are on a system with libio native (ie, linux)
|
|
AC_CHECK_HEADER(libio.h, has_libio=yes, has_libio=no)
|
|
|
|
# bkoz XXX hack hack need version checks, this is temporary
|
|
has_libio=no
|
|
|
|
if test $has_libio = "yes"; then
|
|
BUILD_LIBIO_INCLUDE=
|
|
need_libio=no
|
|
else
|
|
BUILD_LIBIO_INCLUDE='-I../libio'
|
|
need_libio=yes
|
|
fi
|
|
AC_SUBST(BUILD_LIBIO_INCLUDE)
|
|
|
|
# see if the _G_config.h header needs to be built.
|
|
# NB: This replaces the _G_CONFIG_H machinery in libio-v2
|
|
AC_CHECK_HEADER(_G_config.h, has_gconf_h=yes, has_gconf_h=no)
|
|
AM_CONDITIONAL(GLIBCPP_NEED_LIBIO_CONFIG_H, test "$has_gconf_h" = no)
|
|
# bkoz XXX hack need to add support for non-glibc systems here
|
|
has_gconf=no
|
|
|
|
# bkoz XXX need to add checks for this
|
|
need_wlibio=yes
|
|
;;
|
|
xwince)
|
|
CSTDIO_H=config/c_io_wince.h
|
|
CSTDIO_CC=config/c_io_wince.cc
|
|
AC_MSG_RESULT(wince)
|
|
|
|
need_libio=no
|
|
BUILD_LIBIO_INCLUDE=
|
|
AC_SUBST(BUILD_LIBIO_INCLUDE)
|
|
;;
|
|
*)
|
|
echo "$enable_cstdio is an unknown io package" 1>&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
AC_LINK_FILES($CSTDIO_H, bits/c++io.h)
|
|
AC_LINK_FILES($CSTDIO_CC, src/c++io.cc)
|
|
AM_CONDITIONAL(GLIBCPP_NEED_LIBIO, test "$need_libio" = yes)
|
|
AM_CONDITIONAL(GLIBCPP_NEED_WLIBIO, test "$need_wlibio" = yes)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for which threading library to use.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_THREADS
|
|
dnl --enable-threads=posix sets config/threads-posix.h et. al.
|
|
dnl
|
|
dnl default is no threads
|
|
dnl
|
|
AC_DEFUN(GLIBCPP_ENABLE_THREADS, [
|
|
dnl Note this comes from the gcc/config.in and libjava/config.in
|
|
dnl Efforts should be made to keep this in sync.
|
|
AC_MSG_CHECKING([for threads package to use])
|
|
AC_ARG_ENABLE(threads,
|
|
[ --enable-threads enable thread usage for target GCC.
|
|
--enable-threads=LIB use LIB thread package for target GCC.],
|
|
if test x$enable_threads = xno; then
|
|
enable_threads=''
|
|
fi,
|
|
enable_threads='')
|
|
|
|
enable_threads_flag=$enable_threads
|
|
|
|
dnl Check if a valid thread package
|
|
case x${enable_threads_flag} in
|
|
x | xno | xnone)
|
|
# No threads
|
|
target_thread_file='single'
|
|
;;
|
|
xyes)
|
|
# default
|
|
target_thread_file=''
|
|
;;
|
|
xdecosf1 | xirix | xmach | xos2 | xposix | xpthreads | xsingle | \
|
|
xsolaris | xwin32 | xdce | xvxworks)
|
|
target_thread_file=$enable_threads_flag
|
|
;;
|
|
*)
|
|
echo "$enable_threads is an unknown thread package" 1>&2
|
|
exit 1
|
|
;;
|
|
esac
|
|
|
|
dnl Check for thread package actually supported in libstdc++
|
|
case "$target_thread_file" in
|
|
no | none | single)
|
|
THREADS=none
|
|
;;
|
|
posix | pthreads)
|
|
THREADS=posix
|
|
case "$target" in
|
|
*-*-linux*)
|
|
;;
|
|
esac
|
|
;;
|
|
decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks)
|
|
AC_MSG_ERROR(thread package $THREADS not yet supported)
|
|
;;
|
|
*)
|
|
AC_MSG_ERROR($THREADS is an unknown thread package)
|
|
;;
|
|
esac
|
|
AC_MSG_RESULT($THREADS)
|
|
|
|
THREADLIBS=
|
|
THREADINCS=
|
|
THREADDEPS=
|
|
THREADOBJS=
|
|
THREADH=
|
|
THREADSPEC=
|
|
case "$THREADS" in
|
|
posix)
|
|
AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
|
|
THREADLIBS=-lpthread
|
|
THREADSPEC=-lpthread
|
|
dnl Not presently used
|
|
dnl THREADOBJS=threads-posix.lo
|
|
THREADH=threads-posix.h
|
|
;;
|
|
none)
|
|
dnl Not presently used
|
|
dnl THREADOBJS=threads-no.lo
|
|
THREADH=threads-no.h
|
|
;;
|
|
esac
|
|
AC_SUBST(THREADLIBS)
|
|
AC_SUBST(THREADINCS)
|
|
AC_SUBST(THREADDEPS)
|
|
AC_SUBST(THREADOBJS)
|
|
AC_SUBST(THREADSPEC)
|
|
AC_LINK_FILES(config/$THREADH, bits/c++threads.h)
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for template specializations for the 'long long' type extension.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_LONG_LONG
|
|
dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG
|
|
dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined
|
|
dnl + Usage: GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)]
|
|
dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
|
|
dnl defaults to `no'.
|
|
dnl + If 'long long' stuff is not available, ignores DEFAULT and sets `no'.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_LONG_LONG
|
|
AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl
|
|
define([GLIBCPP_ENABLE_LONG_LONG_DEFAULT], ifelse($1, yes, yes, no))dnl
|
|
|
|
AC_ARG_ENABLE(long-long,
|
|
changequote(<<, >>)dnl
|
|
<<--enable-long-long turns on 'long long' [default=>>GLIBCPP_ENABLE_LONG_LONG_DEFAULT],
|
|
changequote([, ])dnl
|
|
[case "$enableval" in
|
|
yes) enable_long_long=yes ;;
|
|
no) enable_long_long=no ;;
|
|
*) AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;;
|
|
esac],
|
|
enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl
|
|
|
|
# Check for the existance of functions used if long long is enabled.
|
|
AC_CHECK_FUNC(strtoll,,ac_strtoll=no)
|
|
AC_CHECK_FUNC(strtoull,,ac_strtoull=no)
|
|
|
|
AC_MSG_CHECKING([for enabled long long])
|
|
if test x"$ac_strtoll" = xno || test x"$ac_strtoull" = xno; then
|
|
enable_long_long=no;
|
|
fi;
|
|
AC_MSG_RESULT($enable_long_long)
|
|
|
|
dnl Option parsed, now set things appropriately
|
|
case "$enable_long_long" in
|
|
yes) AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
|
|
;;
|
|
esac
|
|
])
|
|
|
|
|
|
dnl
|
|
dnl Check for whether or not to do shadowed C headers.
|
|
dnl
|
|
dnl GLIBCPP_ENABLE_SHADOW
|
|
dnl --enable-cshadow-headers [does stuff].
|
|
dnl --disable-cshadow-headers [does not do stuff].
|
|
dnl + This will eventually need to be on by default.
|
|
dnl + Usage: GLIBCPP_ENABLE_SHADOW[(DEFAULT)]
|
|
dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
|
|
dnl defaults to `no'.
|
|
AC_DEFUN(GLIBCPP_ENABLE_SHADOW, [dnl
|
|
define([GLIBCPP_ENABLE_SHADOW_DEFAULT], ifelse($1, yes, yes, no))dnl
|
|
AC_MSG_CHECKING([for enabled cshadow headers])
|
|
AC_ARG_ENABLE(cshadow-headers,
|
|
changequote(<<, >>)dnl
|
|
<< --enable-cshadow-headers construct "shadowed" C header files for
|
|
g++ [default=>>GLIBCPP_ENABLE_SHADOW_DEFAULT],
|
|
changequote([, ])dnl
|
|
[case "$enableval" in
|
|
yes) enable_cshadow_headers=yes
|
|
;;
|
|
no) enable_cshadow_headers=no
|
|
;;
|
|
*) AC_MSG_ERROR([Unknown argument to enable/disable shadowed C headers])
|
|
;;
|
|
esac],
|
|
enable_cshadow_headers=GLIBCPP_ENABLE_SHADOW_DEFAULT)dnl
|
|
AC_MSG_RESULT($enable_cshadow_headers)
|
|
dnl Option parsed, now set things appropriately
|
|
case "$enable_cshadow_headers" in
|
|
yes)
|
|
CSHADOWFLAGS="-D_GNU_SOURCE"
|
|
CSHADOW_INCLUDES=" -I$srcdir/shadow -I$blddir/cshadow"
|
|
;;
|
|
no)
|
|
CSHADOWFLAGS=""
|
|
CSHADOW_INCLUDES=""
|
|
;;
|
|
esac
|
|
|
|
AC_SUBST(CSHADOWFLAGS)
|
|
AC_SUBST(CSHADOW_INCLUDES)
|
|
AM_CONDITIONAL(GLIBCPP_USE_CSHADOW, test "$enable_cshadow_headers" = yes)
|
|
])
|
|
|
|
|
|
# Check whether LC_MESSAGES is available in <locale.h>.
|
|
# Ulrich Drepper <drepper@cygnus.com>, 1995.
|
|
#
|
|
# This file file be copied and used freely without restrictions. It can
|
|
# be used in projects which are not available under the GNU Public License
|
|
# but which still want to provide support for the GNU gettext functionality.
|
|
# Please note that the actual code is *not* freely available.
|
|
|
|
# serial 1
|
|
|
|
AC_DEFUN(AC_LC_MESSAGES,
|
|
[if test $ac_cv_header_locale_h = yes; then
|
|
AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES,
|
|
[AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
|
|
ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)])
|
|
if test $ac_cv_val_LC_MESSAGES = yes; then
|
|
AC_DEFINE(HAVE_LC_MESSAGES)
|
|
fi
|
|
fi])
|
|
|
|
|
|
# Check for functions in math library.
|
|
# Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
#
|
|
# This file can be copied and used freely without restrictions. It can
|
|
# be used in projects which are not available under the GNU Public License
|
|
# but which still want to provide support for the GNU gettext functionality.
|
|
# Please note that the actual code is *not* freely available.
|
|
|
|
# serial 1
|
|
|
|
dnl AC_REPLACE_MATHFUNCS(FUNCTION...)
|
|
AC_DEFUN(AC_REPLACE_MATHFUNCS,
|
|
[AC_CHECK_FUNCS([$1], , [LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"])
|
|
AC_SUBST(LIBMATHOBJS)dnl
|
|
])
|
|
|
|
|
|
# Check for string functions.
|
|
# Ulrich Drepper <drepper@cygnus.com>, 1998.
|
|
#
|
|
# This file can be copied and used freely without restrictions. It can
|
|
# be used in projects which are not available under the GNU Public License
|
|
# but which still want to provide support for the GNU gettext functionality.
|
|
# Please note that the actual code is *not* freely available.
|
|
|
|
# serial 1
|
|
|
|
dnl AC_REPLACE_STRINGFUNCS(FUNCTION...)
|
|
AC_DEFUN(AC_REPLACE_STRINGFUNCS,
|
|
[AC_CHECK_FUNCS([$1], , [LIBSTRINGOBJS="$LIBSTRINGOBJS ${ac_func}.lo"])
|
|
AC_SUBST(LIBSTRINGOBJS)dnl
|
|
])
|