1 dnl aclocal.m4 generated automatically by aclocal 1.4-p4
3 dnl Copyright (C) 1994, 1995-8, 1999 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 # Like AC_CONFIG_HEADER, but automatically create stamp file.
15 AC_DEFUN(AM_CONFIG_HEADER,
17 AC_CONFIG_HEADER([$1])
18 dnl When config.status generates a header, we must update the stamp-h file.
19 dnl This file resides in the same directory as the config header
20 dnl that is generated. We must strip everything past the first ":",
21 dnl and everything past the last "/".
22 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
23 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
24 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
26 for am_file in <<$1>>; do
27 case " <<$>>CONFIG_HEADERS " in
28 *" <<$>>am_file "*<<)>>
29 echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
32 am_indx=`expr "<<$>>am_indx" + 1`
36 # Do all the work for Automake. This macro actually does too much --
37 # some checks are only needed if your package does certain things.
38 # But this isn't really a big deal.
43 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
45 AC_DEFUN(AM_INIT_AUTOMAKE,
46 [AC_REQUIRE([AC_PROG_INSTALL])
51 dnl test to see if srcdir already configured
52 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
53 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
56 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
57 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
58 AC_REQUIRE([AM_SANITY_CHECK])
59 AC_REQUIRE([AC_ARG_PROGRAM])
60 dnl FIXME This is truly gross.
61 missing_dir=`cd $ac_aux_dir && pwd`
62 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
63 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
64 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
65 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
66 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
67 AC_REQUIRE([AC_PROG_MAKE_SET])])
70 # Check to make sure that the build environment is sane.
73 AC_DEFUN(AM_SANITY_CHECK,
74 [AC_MSG_CHECKING([whether build environment is sane])
77 echo timestamp > conftestfile
78 # Do `set' in a subshell so we don't clobber the current shell's
79 # arguments. Must try -L first in case configure is actually a
80 # symlink; some systems play weird games with the mod time of symlinks
81 # (eg FreeBSD returns the mod time of the symlink's containing
84 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
85 if test "[$]*" = "X"; then
87 set X `ls -t $srcdir/configure conftestfile`
89 if test "[$]*" != "X $srcdir/configure conftestfile" \
90 && test "[$]*" != "X conftestfile $srcdir/configure"; then
92 # If neither matched, then we have a broken ls. This can happen
93 # if, for instance, CONFIG_SHELL is bash and it inherits a
94 # broken ls alias from the environment. This has actually
95 # happened. Such a system could not be considered "sane".
96 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
97 alias in your environment])
100 test "[$]2" = conftestfile
106 AC_MSG_ERROR([newly created file is older than distributed files!
107 Check your system clock])
112 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
113 dnl The program must properly implement --version.
114 AC_DEFUN(AM_MISSING_PROG,
115 [AC_MSG_CHECKING(for working $2)
116 # Run test in a subshell; some versions of sh will print an error if
117 # an executable is not found, even if stderr is redirected.
118 # Redirect stdin to placate older versions of autoconf. Sigh.
119 if ($2 --version) < /dev/null > /dev/null 2>&1; then
124 AC_MSG_RESULT(missing)
128 # Add --enable-maintainer-mode option to configure.
133 AC_DEFUN(AM_MAINTAINER_MODE,
134 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
135 dnl maintainer-mode is disabled by default
136 AC_ARG_ENABLE(maintainer-mode,
137 [ --enable-maintainer-mode enable make rules and dependencies not useful
138 (and sometimes confusing) to the casual installer],
139 USE_MAINTAINER_MODE=$enableval,
140 USE_MAINTAINER_MODE=no)
141 AC_MSG_RESULT($USE_MAINTAINER_MODE)
142 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
143 MAINT=$MAINTAINER_MODE_TRUE
148 # Define a conditional.
150 AC_DEFUN(AM_CONDITIONAL,
162 # This test replaces the one in autoconf.
163 # Currently this macro should have the same name as the autoconf macro
164 # because gettext's gettext.m4 (distributed in the automake package)
165 # still uses it. Otherwise, the use in gettext.m4 makes autoheader
166 # give these diagnostics:
167 # configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
168 # configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
170 undefine([AC_ISC_POSIX])
172 AC_DEFUN([AC_ISC_POSIX],
174 dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
175 AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
179 # Configure paths for SDL
180 # Sam Lantinga 9/21/99
181 # stolen from Manish Singh
182 # stolen back from Frank Belew
183 # stolen from Manish Singh
184 # Shamelessly stolen from Owen Taylor
186 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
187 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
189 AC_DEFUN(AM_PATH_SDL,
191 dnl Get the cflags and libraries from the sdl-config script
193 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
194 sdl_prefix="$withval", sdl_prefix="")
195 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
196 sdl_exec_prefix="$withval", sdl_exec_prefix="")
197 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
198 , enable_sdltest=yes)
200 if test x$sdl_exec_prefix != x ; then
201 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
202 if test x${SDL_CONFIG+set} != xset ; then
203 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
206 if test x$sdl_prefix != x ; then
207 sdl_args="$sdl_args --prefix=$sdl_prefix"
208 if test x${SDL_CONFIG+set} != xset ; then
209 SDL_CONFIG=$sdl_prefix/bin/sdl-config
213 AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
214 min_sdl_version=ifelse([$1], ,0.11.0,$1)
215 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
217 if test "$SDL_CONFIG" = "no" ; then
220 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
221 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
223 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
224 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
225 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
226 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
227 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
228 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
229 if test "x$enable_sdltest" = "xyes" ; then
230 ac_save_CFLAGS="$CFLAGS"
232 CFLAGS="$CFLAGS $SDL_CFLAGS"
233 LIBS="$LIBS $SDL_LIBS"
235 dnl Now check if the installed SDL is sufficiently new. (Also sanity
236 dnl checks the results of sdl-config to some extent
246 my_strdup (char *str)
252 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
253 strcpy (new_str, str);
261 int main (int argc, char *argv[])
263 int major, minor, micro;
266 /* This hangs on some systems (?)
267 system ("touch conf.sdltest");
269 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
271 /* HP/UX 9 (%@#!) writes to sscanf strings */
272 tmp_version = my_strdup("$min_sdl_version");
273 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
274 printf("%s, bad version string\n", "$min_sdl_version");
278 if (($sdl_major_version > major) ||
279 (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
280 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
286 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
287 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
288 printf("*** best to upgrade to the required version.\n");
289 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
290 printf("*** to point to the correct copy of sdl-config, and remove the file\n");
291 printf("*** config.cache before re-running configure\n");
296 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
297 CFLAGS="$ac_save_CFLAGS"
301 if test "x$no_sdl" = x ; then
303 ifelse([$2], , :, [$2])
306 if test "$SDL_CONFIG" = "no" ; then
307 echo "*** The sdl-config script installed by SDL could not be found"
308 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
309 echo "*** your path, or set the SDL_CONFIG environment variable to the"
310 echo "*** full path to sdl-config."
312 if test -f conf.sdltest ; then
315 echo "*** Could not run SDL test program, checking why..."
316 CFLAGS="$CFLAGS $SDL_CFLAGS"
317 LIBS="$LIBS $SDL_LIBS"
322 int main(int argc, char *argv[])
325 #define main K_and_R_C_main
327 [ echo "*** The test program compiled, but did not run. This usually means"
328 echo "*** that the run-time linker is not finding SDL or finding the wrong"
329 echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
330 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
331 echo "*** to the installed location Also, make sure you have run ldconfig if that"
332 echo "*** is required on your system"
334 echo "*** If you have an old version installed, it is best to remove it, although"
335 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
336 [ echo "*** The test program failed to compile or link. See the file config.log for the"
337 echo "*** exact error that occured. This usually means SDL was incorrectly installed"
338 echo "*** or that you have moved SDL since it was installed. In the latter case, you"
339 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
340 CFLAGS="$ac_save_CFLAGS"
346 ifelse([$3], , :, [$3])