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 ${enableval} for newlib-multithread option) ;;
57 esac], [newlib_multithread=yes])dnl
59 dnl Support --enable-newlib-iconv
60 AC_ARG_ENABLE(newlib-iconv,
61 [ --enable-newlib-iconv enable iconv library support],
62 [if test "${newlib_iconv+set}" != set; then
63 case "${enableval}" in
64 yes) newlib_iconv=yes ;;
65 no) newlib_iconv=no ;;
66 *) AC_MSG_ERROR(bad value ${enableval} for newlib-iconv option) ;;
68 fi], [newlib_iconv=${newlib_iconv}])dnl
70 dnl Support --enable-newlib-elix-level
71 AC_ARG_ENABLE(newlib-elix-level,
72 [ --enable-newlib-elix-level supply desired elix library level (1-4)],
73 [case "${enableval}" in
74 0) newlib_elix_level=0 ;;
75 1) newlib_elix_level=1 ;;
76 2) newlib_elix_level=2 ;;
77 3) newlib_elix_level=3 ;;
78 4) newlib_elix_level=4 ;;
79 *) AC_MSG_ERROR(bad value ${enableval} for newlib-elix-level option) ;;
80 esac], [newlib_elix_level=0])dnl
82 dnl Support --disable-newlib-io-float
83 AC_ARG_ENABLE(newlib-io-float,
84 [ --disable-newlib-io-float disable printf/scanf family float support],
85 [case "${enableval}" in
86 yes) newlib_io_float=yes ;;
87 no) newlib_io_float=no ;;
88 *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
89 esac], [newlib_io_float=yes])dnl
91 dnl Support --disable-newlib-supplied-syscalls
92 AC_ARG_ENABLE(newlib-supplied-syscalls,
93 [ --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],
94 [case "${enableval}" in
95 yes) newlib_may_supply_syscalls=yes ;;
96 no) newlib_may_supply_syscalls=no ;;
97 *) AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;
98 esac], [newlib_may_supply_syscalls=yes])dnl
100 AM_CONDITIONAL(MAY_SUPPLY_SYSCALLS, test x[$]{newlib_may_supply_syscalls} = xyes)
102 dnl We may get other options which we don't document:
103 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
105 test -z "[$]{with_target_subdir}" && with_target_subdir=.
107 if test "[$]{srcdir}" = "."; then
108 if test "[$]{with_target_subdir}" != "."; then
109 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
111 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
114 newlib_basedir="[$]{srcdir}/$1"
116 AC_SUBST(newlib_basedir)
120 AM_INIT_AUTOMAKE(newlib, 1.14.0)
122 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
123 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
124 # are probably using a cross compiler, which will not be able to fully
125 # link an executable. This should really be fixed in autoconf
128 AC_DEFUN(LIB_AC_PROG_CC,
129 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
130 AC_CHECK_PROG(CC, gcc, gcc)
131 if test -z "$CC"; then
132 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
133 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
138 if test $ac_cv_prog_gcc = yes; then
140 dnl Check whether -g works, even if CFLAGS is set, in case the package
141 dnl plays around with CFLAGS (such as to build both debugging and
142 dnl normal versions of a library), tasteless as that idea is.
143 ac_test_CFLAGS="${CFLAGS+set}"
144 ac_save_CFLAGS="$CFLAGS"
147 if test "$ac_test_CFLAGS" = set; then
148 CFLAGS="$ac_save_CFLAGS"
149 elif test $ac_cv_prog_cc_g = yes; then
156 test "${CFLAGS+set}" = set || CFLAGS="-g"
162 AC_CHECK_TOOL(AS, as)
163 AC_CHECK_TOOL(AR, ar)
164 AC_CHECK_TOOL(RANLIB, ranlib, :)
169 ac_given_INSTALL=$INSTALL
173 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
174 # at least currently, we never actually build a program, so we never
175 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
176 # fails, because we are probably configuring with a cross compiler
177 # which can't create executables. So we include AC_EXEEXT to keep
178 # automake happy, but we don't execute it, since we don't care about
184 . [$]{newlib_basedir}/configure.host
186 newlib_cflags="[$]{newlib_cflags} -fno-builtin"
188 NEWLIB_CFLAGS=${newlib_cflags}
189 AC_SUBST(NEWLIB_CFLAGS)
194 AM_CONDITIONAL(ELIX_LEVEL_0, test x[$]{newlib_elix_level} = x0)
195 AM_CONDITIONAL(ELIX_LEVEL_1, test x[$]{newlib_elix_level} = x1)
196 AM_CONDITIONAL(ELIX_LEVEL_2, test x[$]{newlib_elix_level} = x2)
197 AM_CONDITIONAL(ELIX_LEVEL_3, test x[$]{newlib_elix_level} = x3)
198 AM_CONDITIONAL(ELIX_LEVEL_4, test x[$]{newlib_elix_level} = x4)
200 AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
202 # Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
203 # use oext, which is set in configure.host based on the target platform.
210 AC_SUBST(libm_machine_dir)
211 AC_SUBST(machine_dir)
215 # Do all the work for Automake. This macro actually does too much --
216 # some checks are only needed if your package does certain things.
217 # But this isn't really a big deal.
222 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
224 AC_DEFUN([AM_INIT_AUTOMAKE],
225 [AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
226 AC_REQUIRE([AC_PROG_INSTALL])
231 dnl test to see if srcdir already configured
232 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
233 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
236 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
237 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
238 AC_REQUIRE([AM_SANITY_CHECK])
239 AC_REQUIRE([AC_ARG_PROGRAM])
240 dnl FIXME This is truly gross.
241 missing_dir=`cd $ac_aux_dir && pwd`
242 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version}, $missing_dir)
243 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
244 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version}, $missing_dir)
245 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
246 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
247 AC_REQUIRE([AC_PROG_MAKE_SET])])
249 # Copyright 2002 Free Software Foundation, Inc.
251 # This program is free software; you can redistribute it and/or modify
252 # it under the terms of the GNU General Public License as published by
253 # the Free Software Foundation; either version 2, or (at your option)
256 # This program is distributed in the hope that it will be useful,
257 # but WITHOUT ANY WARRANTY; without even the implied warranty of
258 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
259 # GNU General Public License for more details.
261 # You should have received a copy of the GNU General Public License
262 # along with this program; if not, write to the Free Software
263 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
265 # AM_AUTOMAKE_VERSION(VERSION)
266 # ----------------------------
267 # Automake X.Y traces this macro to ensure aclocal.m4 has been
268 # generated from the m4 files accompanying Automake X.Y.
269 AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.4"])
271 # AM_SET_CURRENT_AUTOMAKE_VERSION
272 # -------------------------------
273 # Call AM_AUTOMAKE_VERSION so it can be traced.
274 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
275 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
276 [AM_AUTOMAKE_VERSION([1.4-p6])])
279 # Check to make sure that the build environment is sane.
282 AC_DEFUN([AM_SANITY_CHECK],
283 [AC_MSG_CHECKING([whether build environment is sane])
286 echo timestamp > conftestfile
287 # Do `set' in a subshell so we don't clobber the current shell's
288 # arguments. Must try -L first in case configure is actually a
289 # symlink; some systems play weird games with the mod time of symlinks
290 # (eg FreeBSD returns the mod time of the symlink's containing
293 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
294 if test "[$]*" = "X"; then
296 set X `ls -t $srcdir/configure conftestfile`
298 if test "[$]*" != "X $srcdir/configure conftestfile" \
299 && test "[$]*" != "X conftestfile $srcdir/configure"; then
301 # If neither matched, then we have a broken ls. This can happen
302 # if, for instance, CONFIG_SHELL is bash and it inherits a
303 # broken ls alias from the environment. This has actually
304 # happened. Such a system could not be considered "sane".
305 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
306 alias in your environment])
309 test "[$]2" = conftestfile
315 AC_MSG_ERROR([newly created file is older than distributed files!
316 Check your system clock])
321 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
322 dnl The program must properly implement --version.
323 AC_DEFUN([AM_MISSING_PROG],
324 [AC_MSG_CHECKING(for working $2)
325 # Run test in a subshell; some versions of sh will print an error if
326 # an executable is not found, even if stderr is redirected.
327 # Redirect stdin to placate older versions of autoconf. Sigh.
328 if ($2 --version) < /dev/null > /dev/null 2>&1; then
333 AC_MSG_RESULT(missing)
337 # Define a conditional.
339 AC_DEFUN([AM_CONDITIONAL],
350 # Add --enable-maintainer-mode option to configure.
355 AC_DEFUN([AM_MAINTAINER_MODE],
356 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
357 dnl maintainer-mode is disabled by default
358 AC_ARG_ENABLE(maintainer-mode,
359 [ --enable-maintainer-mode enable make rules and dependencies not useful
360 (and sometimes confusing) to the casual installer],
361 USE_MAINTAINER_MODE=$enableval,
362 USE_MAINTAINER_MODE=no)
363 AC_MSG_RESULT($USE_MAINTAINER_MODE)
364 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
365 MAINT=$MAINTAINER_MODE_TRUE