/[pcsx2_0.9.7]/trunk/3rdparty/SDL-1.3.0-5387/sdl.m4
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Contents of /trunk/3rdparty/SDL-1.3.0-5387/sdl.m4

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Revision 401 - (show annotations) (download)
Fri Feb 25 17:31:09 2011 UTC (9 years, 9 months ago) by william
File size: 7008 byte(s)
Auto Commited Import of: pcsx2-0.9.7-DEBUG (upstream: v0.9.7.4358 local: v0.9.7.313-latest) in ./trunk
1 # Configure paths for SDL
2 # Sam Lantinga 9/21/99
3 # stolen from Manish Singh
4 # stolen back from Frank Belew
5 # stolen from Manish Singh
6 # Shamelessly stolen from Owen Taylor
7
8 # serial 1
9
10 dnl AM_PATH_SDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
11 dnl Test for SDL, and define SDL_CFLAGS and SDL_LIBS
12 dnl
13 AC_DEFUN([AM_PATH_SDL],
14 [dnl
15 dnl Get the cflags and libraries from the sdl-config script
16 dnl
17 AC_ARG_WITH(sdl-prefix,[ --with-sdl-prefix=PFX Prefix where SDL is installed (optional)],
18 sdl_prefix="$withval", sdl_prefix="")
19 AC_ARG_WITH(sdl-exec-prefix,[ --with-sdl-exec-prefix=PFX Exec prefix where SDL is installed (optional)],
20 sdl_exec_prefix="$withval", sdl_exec_prefix="")
21 AC_ARG_ENABLE(sdltest, [ --disable-sdltest Do not try to compile and run a test SDL program],
22 , enable_sdltest=yes)
23
24 min_sdl_version=ifelse([$1], ,1.2.0,$1)
25
26 if test "x$sdl_prefix$sdl_exec_prefix" = x ; then
27 PKG_CHECK_MODULES(SDL, [sdl >= $min_sdl_version],
28 [sdl_pc=yes],
29 [dnl
30 AC_MSG_RESULT(no)
31 sdl_pc=no
32 ])
33 else
34 sdl_pc=no
35 if test x$sdl_exec_prefix != x ; then
36 sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix"
37 if test x${SDL_CONFIG+set} != xset ; then
38 SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config
39 fi
40 fi
41 if test x$sdl_prefix != x ; then
42 sdl_config_args="$sdl_config_args --prefix=$sdl_prefix"
43 if test x${SDL_CONFIG+set} != xset ; then
44 SDL_CONFIG=$sdl_prefix/bin/sdl-config
45 fi
46 fi
47 fi
48
49 if test "x$sdl_pc" = xyes ; then
50 no_sdl=""
51 SDL_CONFIG="pkg-config sdl"
52 else
53 as_save_PATH="$PATH"
54 if test "x$prefix" != xNONE && test "$cross_compiling" != yes; then
55 PATH="$prefix/bin:$prefix/usr/bin:$PATH"
56 fi
57 AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH])
58 PATH="$as_save_PATH"
59 AC_MSG_CHECKING(for SDL - version >= $min_sdl_version)
60 no_sdl=""
61
62 if test "$SDL_CONFIG" = "no" ; then
63 no_sdl=yes
64 else
65 SDL_CFLAGS=`$SDL_CONFIG $sdl_config_args --cflags`
66 SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs`
67
68 sdl_major_version=`$SDL_CONFIG $sdl_config_args --version | \
69 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
70 sdl_minor_version=`$SDL_CONFIG $sdl_config_args --version | \
71 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
72 sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \
73 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
74 if test "x$enable_sdltest" = "xyes" ; then
75 ac_save_CFLAGS="$CFLAGS"
76 ac_save_CXXFLAGS="$CXXFLAGS"
77 ac_save_LIBS="$LIBS"
78 CFLAGS="$CFLAGS $SDL_CFLAGS"
79 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
80 LIBS="$LIBS $SDL_LIBS"
81 dnl
82 dnl Now check if the installed SDL is sufficiently new. (Also sanity
83 dnl checks the results of sdl-config to some extent
84 dnl
85 rm -f conf.sdltest
86 AC_TRY_RUN([
87 #include <stdio.h>
88 #include <stdlib.h>
89 #include <string.h>
90 #include "SDL.h"
91
92 char*
93 my_strdup (char *str)
94 {
95 char *new_str;
96
97 if (str)
98 {
99 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
100 strcpy (new_str, str);
101 }
102 else
103 new_str = NULL;
104
105 return new_str;
106 }
107
108 int main (int argc, char *argv[])
109 {
110 int major, minor, micro;
111 char *tmp_version;
112
113 /* This hangs on some systems (?)
114 system ("touch conf.sdltest");
115 */
116 { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); }
117
118 /* HP/UX 9 (%@#!) writes to sscanf strings */
119 tmp_version = my_strdup("$min_sdl_version");
120 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
121 printf("%s, bad version string\n", "$min_sdl_version");
122 exit(1);
123 }
124
125 if (($sdl_major_version > major) ||
126 (($sdl_major_version == major) && ($sdl_minor_version > minor)) ||
127 (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro)))
128 {
129 return 0;
130 }
131 else
132 {
133 printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version);
134 printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro);
135 printf("*** best to upgrade to the required version.\n");
136 printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n");
137 printf("*** to point to the correct copy of sdl-config, and remove the file\n");
138 printf("*** config.cache before re-running configure\n");
139 return 1;
140 }
141 }
142
143 ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
144 CFLAGS="$ac_save_CFLAGS"
145 CXXFLAGS="$ac_save_CXXFLAGS"
146 LIBS="$ac_save_LIBS"
147 fi
148 fi
149 if test "x$no_sdl" = x ; then
150 AC_MSG_RESULT(yes)
151 else
152 AC_MSG_RESULT(no)
153 fi
154 fi
155 if test "x$no_sdl" = x ; then
156 ifelse([$2], , :, [$2])
157 else
158 if test "$SDL_CONFIG" = "no" ; then
159 echo "*** The sdl-config script installed by SDL could not be found"
160 echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in"
161 echo "*** your path, or set the SDL_CONFIG environment variable to the"
162 echo "*** full path to sdl-config."
163 else
164 if test -f conf.sdltest ; then
165 :
166 else
167 echo "*** Could not run SDL test program, checking why..."
168 CFLAGS="$CFLAGS $SDL_CFLAGS"
169 CXXFLAGS="$CXXFLAGS $SDL_CFLAGS"
170 LIBS="$LIBS $SDL_LIBS"
171 AC_TRY_LINK([
172 #include <stdio.h>
173 #include "SDL.h"
174
175 int main(int argc, char *argv[])
176 { return 0; }
177 #undef main
178 #define main K_and_R_C_main
179 ], [ return 0; ],
180 [ echo "*** The test program compiled, but did not run. This usually means"
181 echo "*** that the run-time linker is not finding SDL or finding the wrong"
182 echo "*** version of SDL. If it is not finding SDL, you'll need to set your"
183 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
184 echo "*** to the installed location Also, make sure you have run ldconfig if that"
185 echo "*** is required on your system"
186 echo "***"
187 echo "*** If you have an old version installed, it is best to remove it, although"
188 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
189 [ echo "*** The test program failed to compile or link. See the file config.log for the"
190 echo "*** exact error that occured. This usually means SDL was incorrectly installed"
191 echo "*** or that you have moved SDL since it was installed. In the latter case, you"
192 echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ])
193 CFLAGS="$ac_save_CFLAGS"
194 CXXFLAGS="$ac_save_CXXFLAGS"
195 LIBS="$ac_save_LIBS"
196 fi
197 fi
198 SDL_CFLAGS=""
199 SDL_LIBS=""
200 ifelse([$3], , :, [$3])
201 fi
202 AC_SUBST(SDL_CFLAGS)
203 AC_SUBST(SDL_LIBS)
204 rm -f conf.sdltest
205 ])

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