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comparison acinclude/esd.m4 @ 3342:3da232c5980a

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Split acinclude.m4 into its constituent parts for easy upgrading
author Sam Lantinga <slouken@libsdl.org>
date Sun, 04 Oct 2009 20:44:04 +0000
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3341:710139a1692d 3342:3da232c5980a
1 ##############################################################################
2 #
3 # --- esd.m4 ---
4 #
5 # Configure paths for ESD
6 # Manish Singh 98-9-30
7 # stolen back from Frank Belew
8 # stolen from Manish Singh
9 # Shamelessly stolen from Owen Taylor
10
11 dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
12 dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
13 dnl
14 AC_DEFUN([AM_PATH_ESD],
15 [dnl
16 dnl Get the cflags and libraries from the esd-config script
17 dnl
18 AC_ARG_WITH(esd-prefix,[ --with-esd-prefix=PFX Prefix where ESD is installed (optional)],
19 esd_prefix="$withval", esd_prefix="")
20 AC_ARG_WITH(esd-exec-prefix,[ --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
21 esd_exec_prefix="$withval", esd_exec_prefix="")
22 AC_ARG_ENABLE(esdtest, [ --disable-esdtest Do not try to compile and run a test ESD program],
23 , enable_esdtest=yes)
24
25 if test x$esd_exec_prefix != x ; then
26 esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
27 if test x${ESD_CONFIG+set} != xset ; then
28 ESD_CONFIG=$esd_exec_prefix/bin/esd-config
29 fi
30 fi
31 if test x$esd_prefix != x ; then
32 esd_args="$esd_args --prefix=$esd_prefix"
33 if test x${ESD_CONFIG+set} != xset ; then
34 ESD_CONFIG=$esd_prefix/bin/esd-config
35 fi
36 fi
37
38 AC_PATH_PROG(ESD_CONFIG, esd-config, no)
39 min_esd_version=ifelse([$1], ,0.2.7,$1)
40 AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
41 no_esd=""
42 if test "$ESD_CONFIG" = "no" ; then
43 no_esd=yes
44 else
45 ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
46 ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
47
48 esd_major_version=`$ESD_CONFIG $esd_args --version | \
49 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
50 esd_minor_version=`$ESD_CONFIG $esd_args --version | \
51 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
52 esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
53 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
54 if test "x$enable_esdtest" = "xyes" ; then
55 ac_save_CFLAGS="$CFLAGS"
56 ac_save_LIBS="$LIBS"
57 CFLAGS="$CFLAGS $ESD_CFLAGS"
58 LIBS="$LIBS $ESD_LIBS"
59 dnl
60 dnl Now check if the installed ESD is sufficiently new. (Also sanity
61 dnl checks the results of esd-config to some extent
62 dnl
63 rm -f conf.esdtest
64 AC_TRY_RUN([
65 #include <stdio.h>
66 #include <stdlib.h>
67 #include <string.h>
68 #include <esd.h>
69
70 char*
71 my_strdup (char *str)
72 {
73 char *new_str;
74
75 if (str)
76 {
77 new_str = malloc ((strlen (str) + 1) * sizeof(char));
78 strcpy (new_str, str);
79 }
80 else
81 new_str = NULL;
82
83 return new_str;
84 }
85
86 int main ()
87 {
88 int major, minor, micro;
89 char *tmp_version;
90
91 system ("touch conf.esdtest");
92
93 /* HP/UX 9 (%@#!) writes to sscanf strings */
94 tmp_version = my_strdup("$min_esd_version");
95 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
96 printf("%s, bad version string\n", "$min_esd_version");
97 exit(1);
98 }
99
100 if (($esd_major_version > major) ||
101 (($esd_major_version == major) && ($esd_minor_version > minor)) ||
102 (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
103 {
104 return 0;
105 }
106 else
107 {
108 printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
109 printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
110 printf("*** best to upgrade to the required version.\n");
111 printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
112 printf("*** to point to the correct copy of esd-config, and remove the file\n");
113 printf("*** config.cache before re-running configure\n");
114 return 1;
115 }
116 }
117
118 ],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
119 CFLAGS="$ac_save_CFLAGS"
120 LIBS="$ac_save_LIBS"
121 fi
122 fi
123 if test "x$no_esd" = x ; then
124 AC_MSG_RESULT(yes)
125 ifelse([$2], , :, [$2])
126 else
127 AC_MSG_RESULT(no)
128 if test "$ESD_CONFIG" = "no" ; then
129 echo "*** The esd-config script installed by ESD could not be found"
130 echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
131 echo "*** your path, or set the ESD_CONFIG environment variable to the"
132 echo "*** full path to esd-config."
133 else
134 if test -f conf.esdtest ; then
135 :
136 else
137 echo "*** Could not run ESD test program, checking why..."
138 CFLAGS="$CFLAGS $ESD_CFLAGS"
139 LIBS="$LIBS $ESD_LIBS"
140 AC_TRY_LINK([
141 #include <stdio.h>
142 #include <esd.h>
143 ], [ return 0; ],
144 [ echo "*** The test program compiled, but did not run. This usually means"
145 echo "*** that the run-time linker is not finding ESD or finding the wrong"
146 echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
147 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
148 echo "*** to the installed location Also, make sure you have run ldconfig if that"
149 echo "*** is required on your system"
150 echo "***"
151 echo "*** If you have an old version installed, it is best to remove it, although"
152 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
153 [ echo "*** The test program failed to compile or link. See the file config.log for the"
154 echo "*** exact error that occured. This usually means ESD was incorrectly installed"
155 echo "*** or that you have moved ESD since it was installed. In the latter case, you"
156 echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
157 CFLAGS="$ac_save_CFLAGS"
158 LIBS="$ac_save_LIBS"
159 fi
160 fi
161 ESD_CFLAGS=""
162 ESD_LIBS=""
163 ifelse([$3], , :, [$3])
164 fi
165 AC_SUBST(ESD_CFLAGS)
166 AC_SUBST(ESD_LIBS)
167 rm -f conf.esdtest
168 ])