add non-standard m4's to mpd svn repository

git-svn-id: https://svn.musicpd.org/mpd/trunk@2655 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 207 insertions, 0 deletions

diff --git a/m4/libmikmod.m4 b/m4/libmikmod.m4
new file mode 100644
index 000000000..a87f6572d
--- /dev/null
+++ b/m4/libmikmod.m4
@@ -0,0 +1,207 @@
+# 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,[  --with-libmikmod-prefix=PFX   Prefix where libmikmod is installed (optional)],
+            libmikmod_config_prefix="$withval", libmikmod_config_prefix="")
+AC_ARG_WITH(libmikmod-exec-prefix,[  --with-libmikmod-exec-prefix=PFX Exec prefix where libmikmod is installed (optional)],
+            libmikmod_config_exec_prefix="$withval", libmikmod_config_exec_prefix="")
+AC_ARG_ENABLE(libmikmodtest, [  --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
+])