| blob | 4054e593255ac7494dbf9bc42dcea80e241e7ea6 |
1 dnl aclocal.m4 generated automatically by aclocal 1.4
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 # Configure paths for SDL
14 # Sam Lantinga 9/21/99
15 # stolen from Manish Singh
16 # stolen back from Frank Belew
17 # stolen from Manish Singh
18 # Shamelessly stolen from Owen Taylor
20 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
21 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
22 dnl
23 AC_DEFUN(AM_PATH_SDL,
24 [dnl
25 dnl Get the cflags and libraries from the sdl-config script
26 dnl
27 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
28 sdl_prefix="$withval", sdl_prefix="")
29 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
30 sdl_exec_prefix="$withval", sdl_exec_prefix="")
31 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
32 , enable_sdltest=yes)
34 if test x$sdl_exec_prefix != x ; then
35 sdl_args="$sdl_args --exec-prefix=$sdl_exec_prefix"
36 if test x${SDL_CONFIG+set} != xset ; then
37 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
38 fi
39 fi
40 if test x$sdl_prefix != x ; then
41 sdl_args="$sdl_args --prefix=$sdl_prefix"
42 if test x${SDL_CONFIG+set} != xset ; then
43 SDL_CONFIG=$sdl_prefix/bin/sdl-config
44 fi
45 fi
47 AC_PATH_PROG(SDL_CONFIG, sdl-config, no)
48 min_sdl_version=ifelse([$1], ,0.11.0,$1)
49 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
50 no_sdl=""
51 if test "$SDL_CONFIG" = "no" ; then
52 no_sdl=yes
53 else
54 SDL_CFLAGS=`$SDL_CONFIG $sdlconf_args --cflags`
55 SDL_LIBS=`$SDL_CONFIG $sdlconf_args --libs`
57 sdl_major_version=`$SDL_CONFIG $sdl_args --version | \
58 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
59 sdl_minor_version=`$SDL_CONFIG $sdl_args --version | \
60 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
61 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
62 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
63 if test "x$enable_sdltest" = "xyes" ; then
64 ac_save_CFLAGS="$CFLAGS"
65 ac_save_LIBS="$LIBS"
66 CFLAGS="$CFLAGS $SDL_CFLAGS"
67 LIBS="$LIBS $SDL_LIBS"
68 dnl
69 dnl Now check if the installed SDL is sufficiently new. (Also sanity
70 dnl checks the results of sdl-config to some extent
71 dnl
72 rm -f conf.sdltest
73 AC_TRY_RUN([
74 #include <stdio.h>
75 #include <stdlib.h>
76 #include <string.h>
77 #include <SDL/SDL.h>
79 char*
80 my_strdup (char *str)
81 {
82 char *new_str;
84 if (str)
85 {
86 new_str = malloc ((strlen (str) + 1) * sizeof(char));
87 strcpy (new_str, str);
88 }
89 else
90 new_str = NULL;
92 return new_str;
93 }
95 int main (int argc, char *argv[])
96 {
97 int major, minor, micro;
98 char *tmp_version;
100 /* This hangs on some systems (?)
101 system ("touch conf.sdltest");
102 */
103 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
105 /* HP/UX 9 (%@#!) writes to sscanf strings */
106 tmp_version = my_strdup("$min_sdl_version");
107 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) {
108 printf("%s, bad version string\n", "$min_sdl_version");
109 exit(1);
110 }
112 if (($sdl_major_version > major) ||
113 (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
114 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
115 {
116 return 0;
117 }
118 else
119 {
120 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
121 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
122 printf("*** best to upgrade to the required version.\n");
123 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
124 printf("*** to point to the correct copy of sdl-config, and remove the file\n");
125 printf("*** config.cache before re-running configure\n");
126 return 1;
127 }
128 }
130 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
131 CFLAGS="$ac_save_CFLAGS"
132 LIBS="$ac_save_LIBS"
133 fi
134 fi
135 if test "x$no_sdl" = x ; then
136 AC_MSG_RESULT(yes)
137 ifelse([$2], , :, [$2])
138 else
139 AC_MSG_RESULT(no)
140 if test "$SDL_CONFIG" = "no" ; then
141 echo "*** The sdl-config script installed by SDL could not be found"
142 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
143 echo "*** your path, or set the SDL_CONFIG environment variable to the"
144 echo "*** full path to sdl-config."
145 else
146 if test -f conf.sdltest ; then
147 :
148 else
149 echo "*** Could not run SDL test program, checking why..."
150 CFLAGS="$CFLAGS $SDL_CFLAGS"
151 LIBS="$LIBS $SDL_LIBS"
152 AC_TRY_LINK([
153 #include <stdio.h>
154 #include <SDL/SDL.h>
155 ], [ return 0; ],
156 [ echo "*** The test program compiled, but did not run. This usually means"
157 echo "*** that the run-time linker is not finding SDL or finding the wrong"
158 echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
159 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
160 echo "*** to the installed location Also, make sure you have run ldconfig if that"
161 echo "*** is required on your system"
162 echo "***"
163 echo "*** If you have an old version installed, it is best to remove it, although"
164 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
165 [ echo "*** The test program failed to compile or link. See the file config.log for the"
166 echo "*** exact error that occured. This usually means SDL was incorrectly installed"
167 echo "*** or that you have moved SDL since it was installed. In the latter case, you"
168 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
169 CFLAGS="$ac_save_CFLAGS"
170 LIBS="$ac_save_LIBS"
171 fi
172 fi
173 SDL_CFLAGS=""
174 SDL_LIBS=""
175 ifelse([$3], , :, [$3])
176 fi
177 AC_SUBST(SDL_CFLAGS)
178 AC_SUBST(SDL_LIBS)
179 rm -f conf.sdltest
180 ])
182 # Do all the work for Automake. This macro actually does too much --
183 # some checks are only needed if your package does certain things.
184 # But this isn't really a big deal.
186 # serial 1
188 dnl Usage:
189 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
191 AC_DEFUN(AM_INIT_AUTOMAKE,
192 [AC_REQUIRE([AC_PROG_INSTALL])
193 PACKAGE=[$1]
194 AC_SUBST(PACKAGE)
195 VERSION=[$2]
196 AC_SUBST(VERSION)
197 dnl test to see if srcdir already configured
198 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
199 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
200 fi
201 ifelse([$3],,
202 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
203 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
204 AC_REQUIRE([AM_SANITY_CHECK])
205 AC_REQUIRE([AC_ARG_PROGRAM])
206 dnl FIXME This is truly gross.
207 missing_dir=`cd $ac_aux_dir && pwd`
208 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
209 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
210 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
211 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
212 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
213 AC_REQUIRE([AC_PROG_MAKE_SET])])
215 #
216 # Check to make sure that the build environment is sane.
217 #
219 AC_DEFUN(AM_SANITY_CHECK,
220 [AC_MSG_CHECKING([whether build environment is sane])
221 # Just in case
222 sleep 1
223 echo timestamp > conftestfile
224 # Do `set' in a subshell so we don't clobber the current shell's
225 # arguments. Must try -L first in case configure is actually a
226 # symlink; some systems play weird games with the mod time of symlinks
227 # (eg FreeBSD returns the mod time of the symlink's containing
228 # directory).
229 if (
230 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
231 if test "[$]*" = "X"; then
232 # -L didn't work.
233 set X `ls -t $srcdir/configure conftestfile`
234 fi
235 if test "[$]*" != "X $srcdir/configure conftestfile" \
236 && test "[$]*" != "X conftestfile $srcdir/configure"; then
238 # If neither matched, then we have a broken ls. This can happen
239 # if, for instance, CONFIG_SHELL is bash and it inherits a
240 # broken ls alias from the environment. This has actually
241 # happened. Such a system could not be considered "sane".
242 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
243 alias in your environment])
244 fi
246 test "[$]2" = conftestfile
247 )
248 then
249 # Ok.
250 :
251 else
252 AC_MSG_ERROR([newly created file is older than distributed files!
253 Check your system clock])
254 fi
255 rm -f conftest*
256 AC_MSG_RESULT(yes)])
258 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
259 dnl The program must properly implement --version.
260 AC_DEFUN(AM_MISSING_PROG,
261 [AC_MSG_CHECKING(for working $2)
262 # Run test in a subshell; some versions of sh will print an error if
263 # an executable is not found, even if stderr is redirected.
264 # Redirect stdin to placate older versions of autoconf. Sigh.
265 if ($2 --version) < /dev/null > /dev/null 2>&1; then
266 $1=$2
267 AC_MSG_RESULT(found)
268 else
269 $1="$3/missing $2"
270 AC_MSG_RESULT(missing)
271 fi
272 AC_SUBST($1)])
274 # Define a conditional.
276 AC_DEFUN(AM_CONDITIONAL,
277 [AC_SUBST($1_TRUE)
278 AC_SUBST($1_FALSE)
279 if $2; then
280 $1_TRUE=
281 $1_FALSE='#'
282 else
283 $1_TRUE='#'
284 $1_FALSE=
285 fi])