1 # Copyright (c) 1995, 1996 Cygnus Support
3 # The authors hereby grant permission to use, copy, modify, distribute,
4 # and license this software and its documentation for any purpose, provided
5 # that existing copyright notices are retained in all copies and that this
6 # notice is included verbatim in any distributions. No written agreement,
7 # license, or royalty fee is required for any of the authorized uses.
8 # Modifications to this software may be copyrighted by their authors
9 # and need not follow the licensing terms described here, provided that
10 # the new terms are clearly indicated on the first page of each file where
13 # Process this file with autoconf to produce a configure script.
16 AC_INIT(cygmon-salib.c)
18 if test "${enable_shared}" = "yes" ; then
19 echo "Shared libraries not supported for cross compiling, ignored"
22 if test "$srcdir" = "." ; then
23 if test "${with_target_subdir}" != "." ; then
24 libgloss_topdir="${srcdir}/${with_multisrctop}../../.."
26 libgloss_topdir="${srcdir}/${with_multisrctop}../.."
29 libgloss_topdir="${srcdir}/../.."
31 AC_CONFIG_AUX_DIR($libgloss_topdir)
38 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
39 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
40 # are building a library that must be included in all links, so we
41 # can't link an executable until this lib is built.
42 # autoconf should provide a way to do this.
44 AC_DEFUN(LIB_AC_PROG_CC,
45 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
46 AC_CHECK_PROG(CC, gcc, gcc)
47 if test -z "$CC"; then
48 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
49 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
54 if test $ac_cv_prog_gcc = yes; then
56 dnl Check whether -g works, even if CFLAGS is set, in case the package
57 dnl plays around with CFLAGS (such as to build both debugging and
58 dnl normal versions of a library), tasteless as that idea is.
59 ac_test_CFLAGS="${CFLAGS+set}"
60 ac_save_CFLAGS="$CFLAGS"
63 if test "$ac_test_CFLAGS" = set; then
64 CFLAGS="$ac_save_CFLAGS"
65 elif test $ac_cv_prog_cc_g = yes; then
72 test "${CFLAGS+set}" = set || CFLAGS="-g"
94 AC_SUBST(NEED_UNDERSCORE)
97 host_makefile_frag=${srcdir}/../config/default.mh
99 dnl We have to assign the same value to other variables because autoconf
100 dnl doesn't provide a mechanism to substitute a replacement keyword with
101 dnl arbitrary data or pathnames.
103 host_makefile_frag_path=$host_makefile_frag
104 AC_SUBST(host_makefile_frag_path)
105 AC_SUBST_FILE(host_makefile_frag)
108 . ${libgloss_topdir}/config-ml.in,
111 ac_configure_args="${ac_configure_args} --enable-multilib"
112 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
113 libgloss_topdir=${libgloss_topdir}