232 lines
7.7 KiB
Plaintext
232 lines
7.7 KiB
Plaintext
dnl Copyright (C) 1994, 1995-8, 1999, 2001, 2002 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
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dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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dnl PARTICULAR PURPOSE.
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dnl
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dnl Initialize configure bits.
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dnl
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dnl GLIBCPP_TOPREL_CONFIGURE
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AC_DEFUN(GLIBCPP_TOPREL_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 ${enableval} for multilib option) ;;
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esac], [multilib=yes])dnl
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# When building with srcdir == objdir, links to the source files will
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# be created in directories within the target_subdir. We have to
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# adjust toplevel_srcdir accordingly, so that configure finds
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# install-sh and other auxiliary files that live in the top-level
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# source directory.
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if test "${srcdir}" = "."; then
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if test -z "${with_target_subdir}"; then
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toprel=".."
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else
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if test "${with_target_subdir}" != "."; then
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toprel="${with_multisrctop}../.."
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else
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toprel="${with_multisrctop}.."
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fi
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fi
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else
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toprel=".."
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fi
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AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
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toplevel_srcdir=\${top_srcdir}/$toprel
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AC_SUBST(toplevel_srcdir)
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])
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dnl
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dnl Initialize configure bits.
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dnl
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dnl GLIBCPP_CONFIGURE
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AC_DEFUN(GLIBCPP_CONFIGURE, [
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# Export build and source directories.
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# These need to be absolute paths, yet at the same time need to
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# canonicalize only relative paths, because then amd will not unmount
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# drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
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glibcpp_builddir=`${PWDCMD-pwd}`
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case $srcdir in
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[\\/$]* | ?:[\\/]*) glibcpp_srcdir=${srcdir} ;;
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*) glibcpp_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
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esac
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AC_SUBST(glibcpp_builddir)
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AC_SUBST(glibcpp_srcdir)
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dnl This is here just to satisfy automake.
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ifelse(not,equal,[AC_CONFIG_AUX_DIR(..)])
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# Will set LN_S to either 'ln -s' or 'ln'. With autoconf 2.50+, can also
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# be 'cp -p' if linking isn't available.
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#ac_cv_prog_LN_S='cp -p'
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AC_PROG_LN_S
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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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# Never versions of autoconf add an underscore to these functions.
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# Prevent future problems ...
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ifdef([AC_PROG_CC_G],[],[define([AC_PROG_CC_G],defn([_AC_PROG_CC_G]))])
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ifdef([AC_PROG_CC_GNU],[],[define([AC_PROG_CC_GNU],defn([_AC_PROG_CC_GNU]))])
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ifdef([AC_PROG_CXX_G],[],[define([AC_PROG_CXX_G],defn([_AC_PROG_CXX_G]))])
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ifdef([AC_PROG_CXX_GNU],[],[define([AC_PROG_CXX_GNU],defn([_AC_PROG_CXX_GNU]))])
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# AC_PROG_CC
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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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AC_CHECK_TOOL(AS, as)
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AC_CHECK_TOOL(AR, ar)
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AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
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AC_PROG_INSTALL
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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 can't create executables. So we include AC_EXEEXT to keep
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# automake happy, but we don't execute it, since we don't care about
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# the result.
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if false; then
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# autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
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# to nothing, so nothing would remain between `then' and `fi' if it
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# were not for the `:' below.
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:
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AC_EXEEXT
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fi
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])
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dnl
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dnl GLIBCPP_EXPORT_INSTALL_INFO
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dnl calculates gxx_install_dir
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dnl exports glibcpp_toolexecdir
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dnl exports glibcpp_toolexeclibdir
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dnl exports glibcpp_prefixdir
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dnl
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dnl Assumes cross_compiling bits already done, and with_cross_host in
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dnl particular
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dnl
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dnl GLIBCPP_EXPORT_INSTALL_INFO
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AC_DEFUN(GLIBCPP_EXPORT_INSTALL_INFO, [
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# Assumes glibcpp_builddir, glibcpp_srcdir are alreay set up and
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# exported correctly in GLIBCPP_CONFIGURE.
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glibcpp_toolexecdir=no
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glibcpp_toolexeclibdir=no
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glibcpp_prefixdir=${prefix}
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AC_MSG_CHECKING([for interface version number])
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libstdcxx_interface=$INTERFACE
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AC_MSG_RESULT($libstdcxx_interface)
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# Process the option "--enable-version-specific-runtime-libs"
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AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
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AC_ARG_ENABLE(version-specific-runtime-libs,
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[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
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[case "$enableval" in
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yes) version_specific_libs=yes ;;
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no) version_specific_libs=no ;;
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*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
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esac],
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version_specific_libs=no)dnl
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# Option set, now we can test it.
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AC_MSG_RESULT($version_specific_libs)
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gcc_version_trigger=${toplevel_srcdir}/gcc/version.c
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gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'`
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gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
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AC_SUBST(gcc_version)
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AC_SUBST(gcc_version_trigger)
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if test $version_specific_libs = yes; then
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# Need the gcc compiler version to know where to install libraries
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# and header files if --enable-version-specific-runtime-libs option
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# is selected.
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changequote(,)dnl
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glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
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changequote([,])dnl
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fi
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# Calculate glibcpp_toolexecdir, glibcpp_toolexeclibdir
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# Install a library built with a cross compiler in tooldir, not libdir.
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if test x"$glibcpp_toolexecdir" = x"no"; then
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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glibcpp_toolexecdir='$(exec_prefix)/$(target_alias)'
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glibcpp_toolexeclibdir='$(toolexecdir)/lib'
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else
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glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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glibcpp_toolexeclibdir='$(libdir)'
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fi
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glibcpp_toolexeclibdir=$glibcpp_toolexeclibdir/`$CC -print-multi-os-directory`
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fi
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AC_SUBST(glibcpp_prefixdir)
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AC_SUBST(glibcpp_toolexecdir)
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AC_SUBST(glibcpp_toolexeclibdir)
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])
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sinclude(../libtool.m4)
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dnl The lines below arrange for aclocal not to bring an installed
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dnl libtool.m4 into aclocal.m4, while still arranging for automake to
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dnl add a definition of LIBTOOL to Makefile.in.
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ifelse(,,,[AC_SUBST(LIBTOOL)
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AC_DEFUN([AM_PROG_LIBTOOL])
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AC_DEFUN([AC_LIBTOOL_DLOPEN])
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AC_DEFUN([AC_PROG_LD])
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])
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