summaryrefslogtreecommitdiff
path: root/acinclude.m4
diff options
context:
space:
mode:
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m4182
1 files changed, 182 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..abea23b
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,182 @@
+# Copyright (c) 1999-2001 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)
+
+AC_CANONICAL_SYSTEM
+
+AM_INIT_AUTOMAKE(gc, 6.0, 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)])])