# Copyright (c) 1999-2001, 2002 by Red Hat, Inc. All rights reserved. # # THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED # OR IMPLIED. ANY USE IS AT YOUR OWN RISK. # # Permission is hereby granted to use or copy this program # for any purpose, provided the above notices are retained on all copies. # Permission to modify the code and to distribute modified code is granted, # provided the above notices are retained, and a notice that the code was # modified is included with the above copyright notice. # # Original author: Tom Tromey # 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(GC_CONFIGURE, [ dnl Default to --enable-multilib AC_ARG_ENABLE(multilib, [ --enable-multilib build many library versions (default)], [case "${enableval}" in yes) multilib=yes ;; no) multilib=no ;; *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; esac], [multilib=yes])dnl dnl We may get other options which we don't document: dnl --with-target-subdir, --with-multisrctop, --with-multisubdir dnl I needed to add the -n test to allow configuration in src directory - HB if test "[$]{srcdir}" = "."; then if test "[$]{with_target_subdir}" != "." -a -n "[$]{with_target_subdir}"; then gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1" else gc_basedir="[$]{srcdir}/[$]{with_multisrctop}$1" fi else gc_basedir="[$]{srcdir}/$1" fi AC_SUBST(gc_basedir) AC_CONFIG_AUX_DIR($gc_basedir/..) if :; then :; else # This overrides the previous occurrence for automake, but not for # autoconf, which is exactly what we want. AC_CONFIG_AUX_DIR(..) fi AC_CANONICAL_SYSTEM # This works around an automake problem. mkinstalldirs="`cd $ac_aux_dir && ${PWDCMD-pwd}`/mkinstalldirs" AC_SUBST(mkinstalldirs) AM_INIT_AUTOMAKE(gc, 6.1a1, no-define) # 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 # Likewise for AC_PROG_CXX. AC_DEFUN(LIB_AC_PROG_CXX, [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl dnl Fool anybody using AC_PROG_CXX. AC_PROVIDE([AC_PROG_CXX]) AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc) test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH]) AC_PROG_CXX_GNU if test $ac_cv_prog_gxx = yes; then GXX=yes dnl Check whether -g works, even if CXXFLAGS is set, in case the package dnl plays around with CXXFLAGS (such as to build both debugging and dnl normal versions of a library), tasteless as that idea is. ac_test_CXXFLAGS="${CXXFLAGS+set}" ac_save_CXXFLAGS="$CXXFLAGS" CXXFLAGS= AC_PROG_CXX_G if test "$ac_test_CXXFLAGS" = set; then CXXFLAGS="$ac_save_CXXFLAGS" elif test $ac_cv_prog_cxx_g = yes; then CXXFLAGS="-g -O2" else CXXFLAGS="-O2" fi else GXX= test "${CXXFLAGS+set}" = set || CXXFLAGS="-g" fi ]) LIB_AC_PROG_CXX # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't # run it explicitly here, it will be run implicitly before # NEWLIB_CONFIGURE, which doesn't work because that means that it will # be run before AC_CANONICAL_HOST. AC_CANONICAL_BUILD AC_CHECK_TOOL(AS, as) AC_CHECK_TOOL(AR, ar) AC_CHECK_TOOL(RANLIB, ranlib, :) AC_PROG_INSTALL AM_MAINTAINER_MODE # 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 $(EXEEXT). Moreover, the test for EXEEXT normally # fails, because we are probably configuring with a cross compiler # which can't create executables. So we include AC_EXEEXT to keep # automake happy, but we don't execute it, since we don't care about # the result. if false; then # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands # to nothing, so nothing would remain between `then' and `fi' if it # were not for the `:' below. : AC_EXEEXT fi . [$]{srcdir}/configure.host case [$]{gc_basedir} in /* | [A-Za-z]:[/\\]*) gc_flagbasedir=[$]{gc_basedir} ;; *) gc_flagbasedir='[$](top_builddir)/'[$]{gc_basedir} ;; esac gc_cflags="[$]{gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{gc_flagbasedir}/libc/include" case "${host}" in *-*-cygwin32*) gc_cflags="[$]{gc_cflags} -I[$]{gc_flagbasedir}/../winsup/include" ;; esac dnl gc_cflags="[$]{gc_cflags} -fno-builtin" GC_CFLAGS=${gc_cflags} AC_SUBST(GC_CFLAGS) ])) )))) sinclude(../libtool.m4) dnl The line below arranges for aclocal not to bring a definition of dnl AM_PROG_LIBTOOL into aclocal.m4, while still arranging for automake dnl to add a definition of LIBTOOL to Makefile.in. ifelse(yes,no,[AC_DEFUN([AM_PROG_LIBTOOL],[AC_SUBST(LIBTOOL)])])