1 dnl aclocal.m4 generated automatically by aclocal 1.4-p6
3 dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11 dnl PARTICULAR PURPOSE.
13 dnl This provides configure definitions used by all the newlib
14 dnl configure.in files.
16 dnl Basic newlib configury. This calls basic introductory stuff,
17 dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
18 dnl configure.host. The only argument is the relative path to the top
21 AC_DEFUN(NEWLIB_CONFIGURE,
23 dnl Default to --enable-multilib
24 AC_ARG_ENABLE(multilib,
25 [ --enable-multilib build many library versions (default)],
26 [case "${enableval}" in
29 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
30 esac], [multilib=yes])dnl
32 dnl Support --enable-target-optspace
33 AC_ARG_ENABLE(target-optspace,
34 [ --enable-target-optspace optimize for space],
35 [case "${enableval}" in
36 yes) target_optspace=yes ;;
37 no) target_optspace=no ;;
38 *) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
39 esac], [target_optspace=])dnl
41 dnl Support --enable-malloc-debugging - currently only supported for Cygwin
42 AC_ARG_ENABLE(malloc-debugging,
43 [ --enable-malloc-debugging indicate malloc debugging requested],
44 [case "${enableval}" in
45 yes) malloc_debugging=yes ;;
46 no) malloc_debugging=no ;;
47 *) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
48 esac], [malloc_debugging=])dnl
50 dnl Support --enable-newlib-multithread
51 AC_ARG_ENABLE(newlib-multithread,
52 [ --enable-newlib-multithread enable support for multiple threads],
53 [case "${enableval}" in
54 yes) newlib_multithread=yes ;;
55 no) newlib_multithread=no ;;
56 *) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;;
57 esac], [newlib_multithread=yes])dnl
59 dnl Support --enable-newlib-elix-level
60 AC_ARG_ENABLE(newlib-elix-level,
61 [ --enable-newlib-elix-level supply desired elix library level (1-4)],
62 [case "${enableval}" in
63 0) newlib_elix_level=0 ;;
64 1) newlib_elix_level=1 ;;
65 2) newlib_elix_level=2 ;;
66 3) newlib_elix_level=3 ;;
67 4) newlib_elix_level=4 ;;
68 *) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;;
69 esac], [newlib_elix_level=0])dnl
71 dnl Support --disable-newlib-io-float
72 AC_ARG_ENABLE(newlib-io-float,
73 [ --disable-newlib-io-float disable printf/scanf family float support],
74 [case "${enableval}" in
75 yes) newlib_io_float=yes ;;
76 no) newlib_io_float=no ;;
77 *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
78 esac], [newlib_io_float=yes])dnl
80 dnl Support --disable-newlib-supplied-syscalls
81 AC_ARG_ENABLE(newlib-supplied-syscalls,
82 [ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
83 [case "${enableval}" in
84 yes) newlib_may_supply_syscalls=yes ;;
85 no) newlib_may_supply_syscalls=no ;;
86 *) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
87 esac], [newlib_may_supply_syscalls=yes])dnl
89 AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
91 dnl We may get other options which we don't document:
92 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
94 test -z "[$]{with_target_subdir}" && with_target_subdir=.
96 if test "[$]{srcdir}" = "."; then
97 if test "[$]{with_target_subdir}" != "."; then
98 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
100 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
103 newlib_basedir="[$]{srcdir}/$1"
105 AC_SUBST(newlib_basedir)
109 AM_INIT_AUTOMAKE(newlib, 1.12.0)
111 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
112 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
113 # are probably using a cross compiler, which will not be able to fully
114 # link an executable. This should really be fixed in autoconf
117 AC_DEFUN(LIB_AC_PROG_CC,
118 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
119 AC_CHECK_PROG(CC, gcc, gcc)
120 if test -z "$CC"; then
121 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
122 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
127 if test $ac_cv_prog_gcc = yes; then
129 dnl Check whether -g works, even if CFLAGS is set, in case the package
130 dnl plays around with CFLAGS (such as to build both debugging and
131 dnl normal versions of a library), tasteless as that idea is.
132 ac_test_CFLAGS="${CFLAGS+set}"
133 ac_save_CFLAGS="$CFLAGS"
136 if test "$ac_test_CFLAGS" = set; then
137 CFLAGS="$ac_save_CFLAGS"
138 elif test $ac_cv_prog_cc_g = yes; then
145 test "${CFLAGS+set}" = set || CFLAGS="-g"
151 AC_CHECK_TOOL(AS, as)
152 AC_CHECK_TOOL(AR, ar)
153 AC_CHECK_TOOL(RANLIB, ranlib, :)
159 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
160 # at least currently, we never actually build a program, so we never
161 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
162 # fails, because we are probably configuring with a cross compiler
163 # which can't create executables. So we include AC_EXEEXT to keep
164 # automake happy, but we don't execute it, since we don't care about
170 . [$]{newlib_basedir}/configure.host
172 newlib_cflags="[$]{newlib_cflags} -fno-builtin"
174 NEWLIB_CFLAGS=${newlib_cflags}
175 AC_SUBST(NEWLIB_CFLAGS)
180 AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
181 AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
182 AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
183 AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
184 AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
186 AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
188 # Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
189 # use oext, which is set in configure.host based on the target platform.
196 AC_SUBST(libm_machine_dir)
197 AC_SUBST(machine_dir)
201 # Do all the work for Automake. This macro actually does too much --
202 # some checks are only needed if your package does certain things.
203 # But this isn't really a big deal.
208 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
210 AC_DEFUN([AM_INIT_AUTOMAKE],
211 [AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
212 AC_REQUIRE([AC_PROG_INSTALL])
217 dnl test to see if srcdir already configured
218 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
219 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
222 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
223 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
224 AC_REQUIRE([AM_SANITY_CHECK])
225 AC_REQUIRE([AC_ARG_PROGRAM])
226 dnl FIXME This is truly gross.
227 missing_dir=`cd $ac_aux_dir && pwd`
228 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version}, $missing_dir)
229 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
230 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version}, $missing_dir)
231 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
232 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
233 AC_REQUIRE([AC_PROG_MAKE_SET])])
235 # Copyright 2002 Free Software Foundation, Inc.
237 # This program is free software; you can redistribute it and/or modify
238 # it under the terms of the GNU General Public License as published by
239 # the Free Software Foundation; either version 2, or (at your option)
242 # This program is distributed in the hope that it will be useful,
243 # but WITHOUT ANY WARRANTY; without even the implied warranty of
244 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
245 # GNU General Public License for more details.
247 # You should have received a copy of the GNU General Public License
248 # along with this program; if not, write to the Free Software
249 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
251 # AM_AUTOMAKE_VERSION(VERSION)
252 # ----------------------------
253 # Automake X.Y traces this macro to ensure aclocal.m4 has been
254 # generated from the m4 files accompanying Automake X.Y.
255 AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.4"])
257 # AM_SET_CURRENT_AUTOMAKE_VERSION
258 # -------------------------------
259 # Call AM_AUTOMAKE_VERSION so it can be traced.
260 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
261 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
262 [AM_AUTOMAKE_VERSION([1.4-p6])])
265 # Check to make sure that the build environment is sane.
268 AC_DEFUN([AM_SANITY_CHECK],
269 [AC_MSG_CHECKING([whether build environment is sane])
272 echo timestamp > conftestfile
273 # Do `set' in a subshell so we don't clobber the current shell's
274 # arguments. Must try -L first in case configure is actually a
275 # symlink; some systems play weird games with the mod time of symlinks
276 # (eg FreeBSD returns the mod time of the symlink's containing
279 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
280 if test "[$]*" = "X"; then
282 set X `ls -t $srcdir/configure conftestfile`
284 if test "[$]*" != "X $srcdir/configure conftestfile" \
285 && test "[$]*" != "X conftestfile $srcdir/configure"; then
287 # If neither matched, then we have a broken ls. This can happen
288 # if, for instance, CONFIG_SHELL is bash and it inherits a
289 # broken ls alias from the environment. This has actually
290 # happened. Such a system could not be considered "sane".
291 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
292 alias in your environment])
295 test "[$]2" = conftestfile
301 AC_MSG_ERROR([newly created file is older than distributed files!
302 Check your system clock])
307 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
308 dnl The program must properly implement --version.
309 AC_DEFUN([AM_MISSING_PROG],
310 [AC_MSG_CHECKING(for working $2)
311 # Run test in a subshell; some versions of sh will print an error if
312 # an executable is not found, even if stderr is redirected.
313 # Redirect stdin to placate older versions of autoconf. Sigh.
314 if ($2 --version) < /dev/null > /dev/null 2>&1; then
319 AC_MSG_RESULT(missing)
323 # Define a conditional.
325 AC_DEFUN([AM_CONDITIONAL],
336 # Add --enable-maintainer-mode option to configure.
341 AC_DEFUN([AM_MAINTAINER_MODE],
342 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
343 dnl maintainer-mode is disabled by default
344 AC_ARG_ENABLE(maintainer-mode,
345 [ --enable-maintainer-mode enable make rules and dependencies not useful
346 (and sometimes confusing) to the casual installer],
347 USE_MAINTAINER_MODE=$enableval,
348 USE_MAINTAINER_MODE=no)
349 AC_MSG_RESULT($USE_MAINTAINER_MODE)
350 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
351 MAINT=$MAINTAINER_MODE_TRUE