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author | Starla Insigna <starla4444@gmail.com> | 2013-08-25 17:07:35 -0400 |
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committer | Starla Insigna <starla4444@gmail.com> | 2013-08-25 17:07:35 -0400 |
commit | d47da18958b5214def5127e201f60668c566d9bb (patch) | |
tree | 00751c11ff7d44c9e8bd56e0f4c670bb337095aa /acinclude.m4 | |
parent | 387685d34e6c4ebee776a700a01fed4df05446be (diff) | |
download | mazeoflife-d47da18958b5214def5127e201f60668c566d9bb.tar.gz mazeoflife-d47da18958b5214def5127e201f60668c566d9bb.tar.bz2 mazeoflife-d47da18958b5214def5127e201f60668c566d9bb.zip |
Moved to an autoconf-based build system
Diffstat (limited to 'acinclude.m4')
-rw-r--r-- | acinclude.m4 | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 new file mode 100644 index 0000000..0d44c45 --- /dev/null +++ b/acinclude.m4 | |||
@@ -0,0 +1,185 @@ | |||
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 | if test x$sdl_exec_prefix != x ; then | ||
25 | sdl_config_args="$sdl_config_args --exec-prefix=$sdl_exec_prefix" | ||
26 | if test x${SDL_CONFIG+set} != xset ; then | ||
27 | SDL_CONFIG=$sdl_exec_prefix/bin/sdl-config | ||
28 | fi | ||
29 | fi | ||
30 | if test x$sdl_prefix != x ; then | ||
31 | sdl_config_args="$sdl_config_args --prefix=$sdl_prefix" | ||
32 | if test x${SDL_CONFIG+set} != xset ; then | ||
33 | SDL_CONFIG=$sdl_prefix/bin/sdl-config | ||
34 | fi | ||
35 | fi | ||
36 | |||
37 | as_save_PATH="$PATH" | ||
38 | if test "x$prefix" != xNONE; then | ||
39 | PATH="$prefix/bin:$prefix/usr/bin:$PATH" | ||
40 | fi | ||
41 | AC_PATH_PROG(SDL_CONFIG, sdl-config, no, [$PATH]) | ||
42 | PATH="$as_save_PATH" | ||
43 | min_sdl_version=ifelse([$1], ,0.11.0,$1) | ||
44 | AC_MSG_CHECKING(for SDL - version >= $min_sdl_version) | ||
45 | no_sdl="" | ||
46 | if test "$SDL_CONFIG" = "no" ; then | ||
47 | no_sdl=yes | ||
48 | else | ||
49 | SDL_CFLAGS=`$SDL_CONFIG $sdl_config_args --cflags` | ||
50 | SDL_LIBS=`$SDL_CONFIG $sdl_config_args --libs` | ||
51 | |||
52 | sdl_major_version=`$SDL_CONFIG $sdl_config_args --version | \ | ||
53 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | ||
54 | sdl_minor_version=`$SDL_CONFIG $sdl_config_args --version | \ | ||
55 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | ||
56 | sdl_micro_version=`$SDL_CONFIG $sdl_config_args --version | \ | ||
57 | sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | ||
58 | if test "x$enable_sdltest" = "xyes" ; then | ||
59 | ac_save_CFLAGS="$CFLAGS" | ||
60 | ac_save_CXXFLAGS="$CXXFLAGS" | ||
61 | ac_save_LIBS="$LIBS" | ||
62 | CFLAGS="$CFLAGS $SDL_CFLAGS" | ||
63 | CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" | ||
64 | LIBS="$LIBS $SDL_LIBS" | ||
65 | dnl | ||
66 | dnl Now check if the installed SDL is sufficiently new. (Also sanity | ||
67 | dnl checks the results of sdl-config to some extent | ||
68 | dnl | ||
69 | rm -f conf.sdltest | ||
70 | AC_TRY_RUN([ | ||
71 | #include <stdio.h> | ||
72 | #include <stdlib.h> | ||
73 | #include <string.h> | ||
74 | #include "SDL.h" | ||
75 | |||
76 | char* | ||
77 | my_strdup (char *str) | ||
78 | { | ||
79 | char *new_str; | ||
80 | |||
81 | if (str) | ||
82 | { | ||
83 | new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char)); | ||
84 | strcpy (new_str, str); | ||
85 | } | ||
86 | else | ||
87 | new_str = NULL; | ||
88 | |||
89 | return new_str; | ||
90 | } | ||
91 | |||
92 | int main (int argc, char *argv[]) | ||
93 | { | ||
94 | int major, minor, micro; | ||
95 | char *tmp_version; | ||
96 | |||
97 | /* This hangs on some systems (?) | ||
98 | system ("touch conf.sdltest"); | ||
99 | */ | ||
100 | { FILE *fp = fopen("conf.sdltest", "a"); if ( fp ) fclose(fp); } | ||
101 | |||
102 | /* HP/UX 9 (%@#!) writes to sscanf strings */ | ||
103 | tmp_version = my_strdup("$min_sdl_version"); | ||
104 | if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | ||
105 | printf("%s, bad version string\n", "$min_sdl_version"); | ||
106 | exit(1); | ||
107 | } | ||
108 | |||
109 | if (($sdl_major_version > major) || | ||
110 | (($sdl_major_version == major) && ($sdl_minor_version > minor)) || | ||
111 | (($sdl_major_version == major) && ($sdl_minor_version == minor) && ($sdl_micro_version >= micro))) | ||
112 | { | ||
113 | return 0; | ||
114 | } | ||
115 | else | ||
116 | { | ||
117 | printf("\n*** 'sdl-config --version' returned %d.%d.%d, but the minimum version\n", $sdl_major_version, $sdl_minor_version, $sdl_micro_version); | ||
118 | printf("*** of SDL required is %d.%d.%d. If sdl-config is correct, then it is\n", major, minor, micro); | ||
119 | printf("*** best to upgrade to the required version.\n"); | ||
120 | printf("*** If sdl-config was wrong, set the environment variable SDL_CONFIG\n"); | ||
121 | printf("*** to point to the correct copy of sdl-config, and remove the file\n"); | ||
122 | printf("*** config.cache before re-running configure\n"); | ||
123 | return 1; | ||
124 | } | ||
125 | } | ||
126 | |||
127 | ],, no_sdl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | ||
128 | CFLAGS="$ac_save_CFLAGS" | ||
129 | CXXFLAGS="$ac_save_CXXFLAGS" | ||
130 | LIBS="$ac_save_LIBS" | ||
131 | fi | ||
132 | fi | ||
133 | if test "x$no_sdl" = x ; then | ||
134 | AC_MSG_RESULT(yes) | ||
135 | ifelse([$2], , :, [$2]) | ||
136 | else | ||
137 | AC_MSG_RESULT(no) | ||
138 | if test "$SDL_CONFIG" = "no" ; then | ||
139 | echo "*** The sdl-config script installed by SDL could not be found" | ||
140 | echo "*** If SDL was installed in PREFIX, make sure PREFIX/bin is in" | ||
141 | echo "*** your path, or set the SDL_CONFIG environment variable to the" | ||
142 | echo "*** full path to sdl-config." | ||
143 | else | ||
144 | if test -f conf.sdltest ; then | ||
145 | : | ||
146 | else | ||
147 | echo "*** Could not run SDL test program, checking why..." | ||
148 | CFLAGS="$CFLAGS $SDL_CFLAGS" | ||
149 | CXXFLAGS="$CXXFLAGS $SDL_CFLAGS" | ||
150 | LIBS="$LIBS $SDL_LIBS" | ||
151 | AC_TRY_LINK([ | ||
152 | #include <stdio.h> | ||
153 | #include "SDL.h" | ||
154 | |||
155 | int main(int argc, char *argv[]) | ||
156 | { return 0; } | ||
157 | #undef main | ||
158 | #define main K_and_R_C_main | ||
159 | ], [ return 0; ], | ||
160 | [ echo "*** The test program compiled, but did not run. This usually means" | ||
161 | echo "*** that the run-time linker is not finding SDL or finding the wrong" | ||
162 | echo "*** version of SDL. If it is not finding SDL, you'll need to set your" | ||
163 | echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | ||
164 | echo "*** to the installed location Also, make sure you have run ldconfig if that" | ||
165 | echo "*** is required on your system" | ||
166 | echo "***" | ||
167 | echo "*** If you have an old version installed, it is best to remove it, although" | ||
168 | echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], | ||
169 | [ echo "*** The test program failed to compile or link. See the file config.log for the" | ||
170 | echo "*** exact error that occured. This usually means SDL was incorrectly installed" | ||
171 | echo "*** or that you have moved SDL since it was installed. In the latter case, you" | ||
172 | echo "*** may want to edit the sdl-config script: $SDL_CONFIG" ]) | ||
173 | CFLAGS="$ac_save_CFLAGS" | ||
174 | CXXFLAGS="$ac_save_CXXFLAGS" | ||
175 | LIBS="$ac_save_LIBS" | ||
176 | fi | ||
177 | fi | ||
178 | SDL_CFLAGS="" | ||
179 | SDL_LIBS="" | ||
180 | ifelse([$3], , :, [$3]) | ||
181 | fi | ||
182 | AC_SUBST(SDL_CFLAGS) | ||
183 | AC_SUBST(SDL_LIBS) | ||
184 | rm -f conf.sdltest | ||
185 | ]) \ No newline at end of file | ||