summaryrefslogtreecommitdiff
path: root/m4/libmikmod.m4
blob: 18c4fc9ad16e939b32a10b6255e94275cb014f54 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
# Configure paths for libmikmod
#
# Derived from glib.m4 (Owen Taylor 97-11-3)
# Improved by Chris Butler
#

dnl AM_PATH_LIBMIKMOD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
dnl Test for libmikmod, and define LIBMIKMOD_CFLAGS, LIBMIKMOD_LIBS and
dnl LIBMIKMOD_LDADD
dnl
AC_DEFUN(AM_PATH_LIBMIKMOD,
[dnl 
dnl Get the cflags and libraries from the libmikmod-config script
dnl
AC_ARG_WITH(libmikmod-prefix,
  AC_HELP_STRING([--with-libmikmod-prefix=PFX],
                 [prefix where libmikmod is installed (optional)]),
  libmikmod_config_prefix="$withval", libmikmod_config_prefix="")

AC_ARG_WITH(libmikmod-exec-prefix, 
  AC_HELP_STRING([--with-libmikmod-exec-prefix=PFX],
                 [exec prefix where libmikmod is installed (optional)]),
  libmikmod_config_exec_prefix="$withval", libmikmod_config_exec_prefix="")

AC_ARG_ENABLE(libmikmodtest,
  AC_HELP_STRING([--disable-libmikmodtest],
                 [Do not try to compile and run a test libmikmod program]),
  , enable_libmikmodtest=yes)

  if test x$libmikmod_config_exec_prefix != x ; then
     libmikmod_config_args="$libmikmod_config_args --exec-prefix=$libmikmod_config_exec_prefix"
     if test x${LIBMIKMOD_CONFIG+set} != xset ; then
        LIBMIKMOD_CONFIG=$libmikmod_config_exec_prefix/bin/libmikmod-config
     fi
  fi
  if test x$libmikmod_config_prefix != x ; then
     libmikmod_config_args="$libmikmod_config_args --prefix=$libmikmod_config_prefix"
     if test x${LIBMIKMOD_CONFIG+set} != xset ; then
        LIBMIKMOD_CONFIG=$libmikmod_config_prefix/bin/libmikmod-config
     fi
  fi

  AC_PATH_PROG(LIBMIKMOD_CONFIG, libmikmod-config, no)
  min_libmikmod_version=ifelse([$1], ,3.1.5,$1)
  AC_MSG_CHECKING(for libmikmod - version >= $min_libmikmod_version)
  no_libmikmod=""
  if test "$LIBMIKMOD_CONFIG" = "no" ; then
    no_libmikmod=yes
  else
    LIBMIKMOD_CFLAGS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --cflags`
    LIBMIKMOD_LIBS=`$LIBMIKMOD_CONFIG $libmikmod_config_args --libs`
    LIBMIKMOD_LDADD=`$LIBMIKMOD_CONFIG $libmikmod_config_args --ldadd`
    libmikmod_config_major_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\1/'`
    libmikmod_config_minor_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\2/'`
    libmikmod_config_micro_version=`$LIBMIKMOD_CONFIG $libmikmod_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\).*/\3/'`
    if test "x$enable_libmikmodtest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
	  AC_LANG_SAVE
	  AC_LANG_C
      CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS $LIBMIKMOD_LDADD"
      LIBS="$LIBMIKMOD_LIBS $LIBS"
dnl
dnl Now check if the installed libmikmod is sufficiently new. (Also sanity
dnl checks the results of libmikmod-config to some extent
dnl
      rm -f conf.mikmodtest
      AC_TRY_RUN([
#include <mikmod.h>
#include <stdio.h>
#include <stdlib.h>

char* my_strdup (char *str)
{
  char *new_str;

  if (str) {
    new_str = malloc ((strlen (str) + 1) * sizeof(char));
    strcpy (new_str, str);
  } else
    new_str = NULL;

  return new_str;
}

int main()
{
  int major,minor,micro;
  int libmikmod_major_version,libmikmod_minor_version,libmikmod_micro_version;
  char *tmp_version;

  system("touch conf.mikmodtest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = my_strdup("$min_libmikmod_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_libmikmod_version");
     exit(1);
   }

  libmikmod_major_version=(MikMod_GetVersion() >> 16) & 255;
  libmikmod_minor_version=(MikMod_GetVersion() >>  8) & 255;
  libmikmod_micro_version=(MikMod_GetVersion()      ) & 255;

  if ((libmikmod_major_version != $libmikmod_config_major_version) ||
      (libmikmod_minor_version != $libmikmod_config_minor_version) ||
      (libmikmod_micro_version != $libmikmod_config_micro_version))
    {
      printf("\n*** 'libmikmod-config --version' returned %d.%d.%d, but libmikmod (%d.%d.%d)\n", 
             $libmikmod_config_major_version, $libmikmod_config_minor_version, $libmikmod_config_micro_version,
             libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version);
      printf ("*** was found! If libmikmod-config was correct, then it is best\n");
      printf ("*** to remove the old version of libmikmod. You may also be able to fix the error\n");
      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
      printf("*** required on your system.\n");
      printf("*** If libmikmod-config was wrong, set the environment variable LIBMIKMOD_CONFIG\n");
      printf("*** to point to the correct copy of libmikmod-config, and remove the file config.cache\n");
      printf("*** before re-running configure\n");
    } 
  else if ((libmikmod_major_version != LIBMIKMOD_VERSION_MAJOR) ||
	   (libmikmod_minor_version != LIBMIKMOD_VERSION_MINOR) ||
           (libmikmod_micro_version != LIBMIKMOD_REVISION))
    {
      printf("*** libmikmod header files (version %d.%d.%d) do not match\n",
	     LIBMIKMOD_VERSION_MAJOR, LIBMIKMOD_VERSION_MINOR, LIBMIKMOD_REVISION);
      printf("*** library (version %d.%d.%d)\n",
	     libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version);
    }
  else
    {
      if ((libmikmod_major_version > major) ||
        ((libmikmod_major_version == major) && (libmikmod_minor_version > minor)) ||
        ((libmikmod_major_version == major) && (libmikmod_minor_version == minor) && (libmikmod_micro_version >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of libmikmod (%d.%d.%d) was found.\n",
               libmikmod_major_version, libmikmod_minor_version, libmikmod_micro_version);
        printf("*** You need a version of libmikmod newer than %d.%d.%d.\n",
	       major, minor, micro);
        printf("***\n");
        printf("*** If you have already installed a sufficiently new version, this error\n");
        printf("*** probably means that the wrong copy of the libmikmod-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of libmikmod, but you can also set the LIBMIKMOD_CONFIG environment to point to the\n");
        printf("*** correct copy of libmikmod-config. (In this case, you will have to\n");
        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
        printf("*** so that the correct libraries are found at run-time))\n");
      }
    }
  return 1;
}
],, no_libmikmod=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
	   AC_LANG_RESTORE
     fi
  fi
  if test "x$no_libmikmod" = x ; then
     AC_MSG_RESULT([yes, `$LIBMIKMOD_CONFIG --version`])
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     if test "$LIBMIKMOD_CONFIG" = "no" ; then
       echo "*** The libmikmod-config script installed by libmikmod could not be found"
       echo "*** If libmikmod was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the LIBMIKMOD_CONFIG environment variable to the"
       echo "*** full path to libmikmod-config."
     else
       if test -f conf.mikmodtest ; then
        :
       else
          echo "*** Could not run libmikmod test program, checking why..."
          CFLAGS="$CFLAGS $LIBMIKMOD_CFLAGS"
          LIBS="$LIBS $LIBMIKMOD_LIBS"
		  AC_LANG_SAVE
		  AC_LANG_C
          AC_TRY_LINK([
#include <mikmod.h>
#include <stdio.h>
],      [ return (MikMod_GetVersion()!=0); ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding libmikmod or finding the wrong"
          echo "*** version of libmikmod. If it is not finding libmikmod, you'll need to set your"
          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
          echo "*** to the installed location. Also, make sure you have run ldconfig if that"
          echo "*** is required on your system."
	  echo "***"
          echo "*** If you have an old version installed, it is best to remove it, although"
          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
        [ echo "*** The test program failed to compile or link. See the file config.log for the"
          echo "*** exact error that occured. This usually means libmikmod was incorrectly installed"
          echo "*** or that you have moved libmikmod since it was installed. In the latter case, you"
          echo "*** may want to edit the libmikmod-config script: $LIBMIKMOD_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
		  AC_LANG_RESTORE
       fi
     fi
     LIBMIKMOD_CFLAGS=""
     LIBMIKMOD_LIBS=""
     LIBMIKMOD_LDADD=""
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(LIBMIKMOD_CFLAGS)
  AC_SUBST(LIBMIKMOD_LIBS)
  AC_SUBST(LIBMIKMOD_LDADD)
  rm -f conf.mikmodtest
])