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Diffstat (limited to 'contrib/libobjc/aclocal.m4')
| -rw-r--r-- | contrib/libobjc/aclocal.m4 | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/contrib/libobjc/aclocal.m4 b/contrib/libobjc/aclocal.m4 new file mode 100644 index 0000000..0dfc1d3 --- /dev/null +++ b/contrib/libobjc/aclocal.m4 @@ -0,0 +1,224 @@ +dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl This program is distributed in the hope that it will be useful, +dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without +dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A +dnl PARTICULAR PURPOSE. + +dnl +dnl Initialize configure bits. +dnl +dnl GLIBCPP_CONFIGURE +AC_DEFUN(GLIBCPP_CONFIGURE, [ + dnl Default to --enable-multilib + AC_ARG_ENABLE(multilib, + [ --enable-multilib build hella library versions (default)], + [case "${enableval}" in + yes) multilib=yes ;; + no) multilib=no ;; + *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; + esac], [multilib=yes])dnl + +# When building with srcdir == objdir, links to the source files will +# be created in directories within the target_subdir. We have to +# adjust toplevel_srcdir accordingly, so that configure finds +# install-sh and other auxiliary files that live in the top-level +# source directory. +if test "${srcdir}" = "."; then + if test -z "${with_target_subdir}"; then + toprel=".." + else + if test "${with_target_subdir}" != "."; then + toprel="${with_multisrctop}../.." + else + toprel="${with_multisrctop}.." + fi + fi +else + toprel=".." +fi +AC_CONFIG_AUX_DIR(${srcdir}/$toprel) +toplevel_srcdir=\${top_srcdir}/$toprel +AC_SUBST(toplevel_srcdir) + +# Export build and source directories. +# These need to be absolute paths, yet at the same time need to +# canonicalize only relative paths, because then amd will not unmount +# drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd. +glibcpp_builddir=`pwd` +case $srcdir in +[\\/$]* | ?:[\\/]*) glibcpp_srcdir=${srcdir} ;; +*) glibcpp_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;; +esac +AC_SUBST(glibcpp_builddir) +AC_SUBST(glibcpp_srcdir) + +dnl This is here just to satisfy automake. +ifelse(not,equal,[AC_CONFIG_AUX_DIR(..)]) + +# Will set LN_S to either 'ln -s' or 'ln'. With autoconf 2.50+, can also +# be 'cp -p' if linking isn't available. +#ac_cv_prog_LN_S='cp -p' +AC_PROG_LN_S + +# We use these options to decide which functions to include. +AC_ARG_WITH(target-subdir, +[ --with-target-subdir=SUBDIR + configuring in a subdirectory]) +AC_ARG_WITH(cross-host, +[ --with-cross-host=HOST configuring with a cross compiler]) + + # Never versions of autoconf add an underscore to these functions. + # Prevent future problems ... + ifdef([AC_PROG_CC_G],[],[define([AC_PROG_CC_G],defn([_AC_PROG_CC_G]))]) + ifdef([AC_PROG_CC_GNU],[],[define([AC_PROG_CC_GNU],defn([_AC_PROG_CC_GNU]))]) + ifdef([AC_PROG_CXX_G],[],[define([AC_PROG_CXX_G],defn([_AC_PROG_CXX_G]))]) + ifdef([AC_PROG_CXX_GNU],[],[define([AC_PROG_CXX_GNU],defn([_AC_PROG_CXX_GNU]))]) + +# AC_PROG_CC + +# FIXME: We temporarily define our own version of AC_PROG_CC. This is +# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We +# are probably using a cross compiler, which will not be able to fully +# link an executable. This should really be fixed in autoconf +# itself. + +AC_DEFUN(LIB_AC_PROG_CC, +[AC_BEFORE([$0], [AC_PROG_CPP])dnl +dnl Fool anybody using AC_PROG_CC. +AC_PROVIDE([AC_PROG_CC]) +AC_CHECK_PROG(CC, gcc, gcc) +if test -z "$CC"; then + AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) + test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) +fi + +AC_PROG_CC_GNU + +if test $ac_cv_prog_gcc = yes; then + GCC=yes +dnl Check whether -g works, even if CFLAGS is set, in case the package +dnl plays around with CFLAGS (such as to build both debugging and +dnl normal versions of a library), tasteless as that idea is. + ac_test_CFLAGS="${CFLAGS+set}" + ac_save_CFLAGS="$CFLAGS" + CFLAGS= + AC_PROG_CC_G + if test "$ac_test_CFLAGS" = set; then + CFLAGS="$ac_save_CFLAGS" + elif test $ac_cv_prog_cc_g = yes; then + CFLAGS="-g -O2" + else + CFLAGS="-O2" + fi +else + GCC= + test "${CFLAGS+set}" = set || CFLAGS="-g" +fi +]) + +LIB_AC_PROG_CC + + AC_CHECK_TOOL(AS, as) + AC_CHECK_TOOL(AR, ar) + AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error) + AC_PROG_INSTALL + + # We need AC_EXEEXT to keep automake happy in cygnus mode. However, + # at least currently, we never actually build a program, so we never + # need to use $(EXEEXT). Moreover, the test for EXEEXT normally + # fails, because we are probably configuring with a cross compiler + # which can't create executables. So we include AC_EXEEXT to keep + # automake happy, but we don't execute it, since we don't care about + # the result. + if false; then + # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands + # to nothing, so nothing would remain between `then' and `fi' if it + # were not for the `:' below. + : + AC_EXEEXT + fi +]) + + +dnl +dnl GLIBCPP_EXPORT_INSTALL_INFO +dnl calculates gxx_install_dir +dnl exports glibcpp_toolexecdir +dnl exports glibcpp_toolexeclibdir +dnl exports glibcpp_prefixdir +dnl +dnl Assumes cross_compiling bits already done, and with_cross_host in +dnl particular +dnl +dnl GLIBCPP_EXPORT_INSTALL_INFO +AC_DEFUN(GLIBCPP_EXPORT_INSTALL_INFO, [ +# Assumes glibcpp_builddir, glibcpp_srcdir are alreay set up and +# exported correctly in GLIBCPP_CONFIGURE. +glibcpp_toolexecdir=no +glibcpp_toolexeclibdir=no +glibcpp_prefixdir=${prefix} + +AC_MSG_CHECKING([for interface version number]) +libstdcxx_interface=$INTERFACE +AC_MSG_RESULT($libstdcxx_interface) + +# Process the option "--enable-version-specific-runtime-libs" +AC_MSG_CHECKING([for --enable-version-specific-runtime-libs]) +AC_ARG_ENABLE(version-specific-runtime-libs, +[ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ], +[case "$enableval" in + yes) version_specific_libs=yes ;; + no) version_specific_libs=no ;; + *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);; + esac], +version_specific_libs=no)dnl +# Option set, now we can test it. +AC_MSG_RESULT($version_specific_libs) + +gcc_version_trigger=${srcdir}/../gcc/version.c +gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([[^ \"]]*\)[[ \"]].*/\1/'` +gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'` +AC_SUBST(gcc_version) +AC_SUBST(gcc_version_trigger) + +if test $version_specific_libs = yes; then + # Need the gcc compiler version to know where to install libraries + # and header files if --enable-version-specific-runtime-libs option + # is selected. + changequote(,)dnl + glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)' + changequote([,])dnl +fi + +# Calculate glibcpp_toolexecdir, glibcpp_toolexeclibdir +# Install a library built with a cross compiler in tooldir, not libdir. +if test x"$glibcpp_toolexecdir" = x"no"; then + if test -n "$with_cross_host" && + test x"$with_cross_host" != x"no"; then + glibcpp_toolexecdir='$(exec_prefix)/$(target_alias)' + glibcpp_toolexeclibdir='$(toolexecdir)/lib$(MULTISUBDIR)' + else + glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)' + glibcpp_toolexeclibdir='$(libdir)$(MULTISUBDIR)' + fi +fi + +AC_SUBST(glibcpp_prefixdir) +AC_SUBST(glibcpp_toolexecdir) +AC_SUBST(glibcpp_toolexeclibdir) +]) + +sinclude(../libtool.m4) +dnl The lines below arrange for aclocal not to bring an installed +dnl libtool.m4 into aclocal.m4, while still arranging for automake to +dnl add a definition of LIBTOOL to Makefile.in. +ifelse(,,,[AC_SUBST(LIBTOOL) +AC_DEFUN([AM_PROG_LIBTOOL]) +AC_DEFUN([AC_LIBTOOL_DLOPEN]) +AC_DEFUN([AC_PROG_LD]) +]) |
