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Thomas Vander Stichele9a8398d2001-12-17 19:04:24 +00001# Configure paths for AALIB
Thomas Vander Stichele8aa4f5c2002-05-27 20:08:14 +00002# touched up for clean output by Thomas Vander Stichele
Thomas Vander Stichele9a8398d2001-12-17 19:04:24 +00003# Jan Hubicka 4/22/2001
4# stolen from Sam Lantinga 9/21/99
5# stolen from Manish Singh
6# stolen back from Frank Belew
7# stolen from Manish Singh
8# Shamelessly stolen from Owen Taylor
9
10dnl AM_PATH_AALIB([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
11dnl Test for AALIB, and define AALIB_CFLAGS and AALIB_LIBS
12dnl
Thomas Vander Stichelefd831b82004-02-11 16:44:05 +000013AC_DEFUN([AM_PATH_AALIB],
Thomas Vander Stichele9a8398d2001-12-17 19:04:24 +000014[dnl
15dnl Get the cflags and libraries from the aalib-config script
16dnl
Thomas Vander Stichele8aa4f5c2002-05-27 20:08:14 +000017AC_ARG_WITH(aalib-prefix,
18 AC_HELP_STRING([--with-aalib-prefix=PFX],
Thomas Vander Stichele2825dab2002-05-27 20:37:17 +000019 [prefix where AALIB is installed (optional)]),
Thomas Vander Stichele8aa4f5c2002-05-27 20:08:14 +000020 aalib_prefix="$withval", aalib_prefix="")
21
22AC_ARG_WITH(aalib-exec-prefix,
23 AC_HELP_STRING([--with-aalib-exec-prefix=PFX],
Thomas Vander Stichele2825dab2002-05-27 20:37:17 +000024 [exec prefix where AALIB is installed (optional)]),
Thomas Vander Stichele8aa4f5c2002-05-27 20:08:14 +000025 aalib_exec_prefix="$withval", aalib_exec_prefix="")
26
27AC_ARG_ENABLE(aalibtest,
28 AC_HELP_STRING([--disable-aalibtest],
Thomas Vander Stichele2825dab2002-05-27 20:37:17 +000029 [do not try to compile and run a test AALIB program]),
Thomas Vander Stichele8aa4f5c2002-05-27 20:08:14 +000030 , enable_aalibtest=yes)
Thomas Vander Stichele9a8398d2001-12-17 19:04:24 +000031
32 if test x$aalib_exec_prefix != x ; then
33 aalib_args="$aalib_args --exec-prefix=$aalib_exec_prefix"
34 if test x${AALIB_CONFIG+set} != xset ; then
35 AALIB_CONFIG=$aalib_exec_prefix/bin/aalib-config
36 fi
37 fi
38 if test x$aalib_prefix != x ; then
39 aalib_args="$aalib_args --prefix=$aalib_prefix"
40 if test x${AALIB_CONFIG+set} != xset ; then
41 AALIB_CONFIG=$aalib_prefix/bin/aalib-config
42 fi
43 fi
44
45 AC_PATH_PROG(AALIB_CONFIG, aalib-config, no)
46 min_aalib_version=ifelse([$1], ,0.11.0,$1)
47 AC_MSG_CHECKING(for AALIB - version >= $min_aalib_version)
48 no_aalib=""
49 if test "$AALIB_CONFIG" = "no" ; then
50 no_aalib=yes
51 else
52 AALIB_CFLAGS=`$AALIB_CONFIG $aalibconf_args --cflags`
53 AALIB_LIBS=`$AALIB_CONFIG $aalibconf_args --libs`
54
55 aalib_major_version=`$AALIB_CONFIG $aalib_args --version | \
56 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
57 aalib_minor_version=`$AALIB_CONFIG $aalib_args --version | \
58 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
59 aalib_micro_version=`$AALIB_CONFIG $aalib_config_args --version | \
60 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
61 if test "x$enable_aalibtest" = "xyes" ; then
62 ac_save_CFLAGS="$CFLAGS"
63 ac_save_LIBS="$LIBS"
64 CFLAGS="$CFLAGS $AALIB_CFLAGS"
65 LIBS="$LIBS $AALIB_LIBS"
66dnl
67dnl Now check if the installed AALIB is sufficiently new. (Also sanity
68dnl checks the results of aalib-config to some extent
69dnl
70 rm -f conf.aalibtest
71 AC_TRY_RUN([
72#include <stdio.h>
73#include <stdlib.h>
74#include <string.h>
75#include "aalib.h"
76
77char*
78my_strdup (char *str)
79{
80 char *new_str;
81
82 if (str)
83 {
84 new_str = (char *)malloc ((strlen (str) + 1) * sizeof(char));
85 strcpy (new_str, str);
86 }
87 else
88 new_str = NULL;
89
90 return new_str;
91}
92
93int main (int argc, char *argv[])
94{
95 int major, minor, micro;
96 char *tmp_version;
97
98 /* This hangs on some systems (?)
99 system ("touch conf.aalibtest");
100 */
101 { FILE *fp = fopen("conf.aalibtest", "a"); if ( fp ) fclose(fp); }
102
103 /* HP/UX 9 (%@#!) writes to sscanf strings */
104 tmp_version = my_strdup("$min_aalib_version");
105 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
106 printf("%s, bad version string\n", "$min_aalib_version");
107 exit(1);
108 }
109
110 if (($aalib_major_version > major) ||
111 (($aalib_major_version == major) && ($aalib_minor_version > minor)) ||
112 (($aalib_major_version == major) && ($aalib_minor_version == minor) && ($aalib_micro_version >= micro)))
113 {
114 return 0;
115 }
116 else
117 {
118 printf("\n*** 'aalib-config --version' returned %d.%d.%d, but the minimum version\n", $aalib_major_version, $aalib_minor_version, $aalib_micro_version);
119 printf("*** of AALIB required is %d.%d.%d. If aalib-config is correct, then it is\n", major, minor, micro);
120 printf("*** best to upgrade to the required version.\n");
121 printf("*** If aalib-config was wrong, set the environment variable AALIB_CONFIG\n");
122 printf("*** to point to the correct copy of aalib-config, and remove the file\n");
123 printf("*** config.cache before re-running configure\n");
124 return 1;
125 }
126}
127
128],, no_aalib=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
129 CFLAGS="$ac_save_CFLAGS"
130 LIBS="$ac_save_LIBS"
131 fi
132 fi
133 if test "x$no_aalib" = x ; then
134 AC_MSG_RESULT(yes)
135 ifelse([$2], , :, [$2])
136 else
137 AC_MSG_RESULT(no)
138 if test "$AALIB_CONFIG" = "no" ; then
139 echo "*** The aalib-config script installed by AALIB could not be found"
140 echo "*** If AALIB was installed in PREFIX, make sure PREFIX/bin is in"
141 echo "*** your path, or set the AALIB_CONFIG environment variable to the"
142 echo "*** full path to aalib-config."
143 else
144 if test -f conf.aalibtest ; then
145 :
146 else
147 echo "*** Could not run AALIB test program, checking why..."
148 CFLAGS="$CFLAGS $AALIB_CFLAGS"
149 LIBS="$LIBS $AALIB_LIBS"
150 AC_TRY_LINK([
151#include <stdio.h>
152#include "AALIB.h"
153], [ return 0; ],
154 [ echo "*** The test program compiled, but did not run. This usually means"
155 echo "*** that the run-time linker is not finding AALIB or finding the wrong"
156 echo "*** version of AALIB. If it is not finding AALIB, you'll need to set your"
157 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
158 echo "*** to the installed location Also, make sure you have run ldconfig if that"
159 echo "*** is required on your system"
160 echo "***"
161 echo "*** If you have an old version installed, it is best to remove it, although"
162 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
163 [ echo "*** The test program failed to compile or link. See the file config.log for the"
164 echo "*** exact error that occured. This usually means AALIB was incorrectly installed"
165 echo "*** or that you have moved AALIB since it was installed. In the latter case, you"
166 echo "*** may want to edit the aalib-config script: $AALIB_CONFIG" ])
167 CFLAGS="$ac_save_CFLAGS"
168 LIBS="$ac_save_LIBS"
169 fi
170 fi
171 AALIB_CFLAGS=""
172 AALIB_LIBS=""
173 ifelse([$3], , :, [$3])
174 fi
175 AC_SUBST(AALIB_CFLAGS)
176 AC_SUBST(AALIB_LIBS)
177 rm -f conf.aalibtest
178])