siddec checks that work not extremely robust, but functional

Original commit message from CVS:
siddec checks that work
not extremely robust, but functional

1 files changed, 23 insertions, 117 deletions

diff --git a/m4/gst-sid.m4 b/m4/gst-sid.m4
index fa93086c4..a9d9543fe 100644
--- a/m4/gst-sid.m4
+++ b/m4/gst-sid.m4
@@ -1,133 +1,39 @@
-dnl FIXME: the longest macro for one of the small plugins ?
-dnl there must be a way to make this simpler !
-dnl sidplay stuff (taken from xmms)
-AC_DEFUN(AC_FIND_FILE,
-[ 
-  $3=NO
-  for i in $2; do
-    for j in $1; do
-      if test -r "$i/$j"; then
-        $3=$i
-        break 2
-      fi
-    done
-  done
-])
+dnl check for sidplay
 
-AC_DEFUN(AC_PATH_LIBSIDPLAY,
+AC_DEFUN(GST_PATH_SIDPLAY,
 [
-AC_MSG_CHECKING([for SIDPLAY includes and library])
-ac_sidplay_cflags=NO
-ac_sidplay_library=NO
-sidplay_cflags=""
-sidplay_library=""
-AC_ARG_WITH(sidplay-includes,
-  [  --with-sidplay-includes=DIR
-                          where the sidplay includes are located],
-  [ac_sidplay_cflags="$withval"
-  ])
+AC_MSG_CHECKING([for libsidplay])
 
-AC_ARG_WITH(sidplay-library,
-  [  --with-sidplay-library=DIR
-                          where the sidplay library is installed],
-  [ac_sidplay_library="$withval"
-  ])
-  
-if test "$ac_sidplay_cflags" = NO || test "$ac_sidplay_library" = NO; then
+AC_LANG_PUSH(C++)
 
-#search common locations
-    
-AC_CACHE_VAL(ac_cv_have_sidplay,
-[
-sidplay_incdirs="$ac_sidplay_cflags /usr/include /usr/local/include /usr/lib/sidplay/include /usr/local/lib/sidplay/include"
-AC_FIND_FILE(sidplay/sidtune.h,$sidplay_incdirs,sidplay_foundincdir)
-sidplay_libdirs="$ac_sidplay_library /usr/lib /usr/local/lib /usr/lib/sidplay /usr/local/lib/sidplay"
-AC_FIND_FILE(libsidplay.so libsidplay.so.1 libsidplay.so.1.36 libsidplay.so.1.37,$sidplay_libdirs,sidplay_foundlibdir)
-ac_sidplay_library=$sidplay_foundlibdir
+AC_CHECK_HEADER(sidplay/player.h, HAVE_SIDPLAY="yes", HAVE_SIDPLAY="no")
 
-if test "$ac_sidplay_cflags" = NO || test "$ac_sidplay_library" = NO; then
-  ac_cv_have_sidplay="have_sidplay=no"
-  ac_sidplay_notfound=""
-  if test "$ac_sidplay_cflags" = NO; then
-    if test "$ac_sidplay_library" = NO; then
-      ac_sidplay_notfound="(headers and library)";
-    else
-      ac_sidplay_notfound="(headers)";
-    fi
-  else
-    ac_sidplay_notfound="(library)";
-  fi
-  eval "$ac_cv_have_sidplay"
-  AC_MSG_RESULT([$have_sidplay])
-else
-  have_sidplay=yes
-fi
-      
-])  dnl AC_CACHE_VAL(ac_cv_have_sidplay,
-else  
-  have_sidplay=yes
-fi  dnl if (have_to_search)
-  
-eval "$ac_cv_have_sidplay"
-if test "$have_sidplay" != yes; then
-  AC_MSG_RESULT([$have_sidplay]);
-else  
-  ac_cv_have_sidplay="have_sidplay=yes \
-    ac_sidplay_cflags=$ac_sidplay_cflags 
-ac_sidplay_library=$ac_sidplay_library"
-  AC_MSG_RESULT([library $ac_sidplay_library, headers $ac_sidplay_cflags])
+if test $HAVE_SIDPLAY = "yes"; then
+  SIDPLAY_LIBS="-lsidplay"
 
-  sidplay_library=$ac_sidplay_library
-  sidplay_cflags=$ac_sidplay_cflags
-  SIDPLAY_LIBS="-L$sidplay_library -lsidplay"
-  all_libraries="$SIDPLAY_LIBS $all_libraries"
-  SIDPLAY_CFLAGS="-I$sidplay_cflags"
-  all_includes="$SIDPLAY_CFLAGS $all_includes"
-fi
-  
-dnl Test compilation.
-  
-AC_MSG_CHECKING([whether -lsidplay works])
-ac_cxxflags_safe=$CXXFLAGS
-ac_ldflags_safe=$LDFLAGS
-ac_libs_safe=$LIBS
-  
-CXXFLAGS="$CXXFLAGS -I$sidplay_cflags"
-LDFLAGS="$LDFLAGS -L$sidplay_library"
-LIBS="-lsidplay"
+  AC_MSG_CHECKING([whether -lsidplay works])
+  ac_libs_safe=$LIBS
 
-AC_CACHE_VAL(ac_cv_sidplay_works,
-[
+  LIBS="-lsidplay"
 
-  AC_LANG_CPLUSPLUS
   AC_TRY_RUN([
     #include <sidplay/player.h>
-  
     int main()
-    {
-      sidTune tune = sidTune(0);
-    }
+    { sidTune tune = sidTune(0);  }
     ],
-    ac_cv_sidplay_works="yes",
-    ac_cv_sidplay_works="no",
-    ac_cv_sidplay_works="no")
-  AC_LANG_C
-])
-    
-CXXFLAGS="$ac_cxxflags_safe"
-LDFLAGS="$ac_ldflags_safe"
-LIBS="$ac_libs_safe"
-      
-AC_MSG_RESULT([$ac_cv_sidplay_works])
+    HAVE_SIDPLAY="yes",
+    HAVE_SIDPLAY="no",
+    HAVE_SIDPLAY="no")
+
+  LIBS="$ac_libs_safe"
 
-  have_sidplay=no
+  AC_MSG_RESULT([$HAVE_SIDPLAY])
 fi
-  
-AC_SUBST(SIDPLAY_CFLAGS)  
+
+SIDPLAY_CFLAGS=
+SIDPLAY_LIBS="-lsidplay"
+AC_SUBST(SIDPLAY_CFLAGS)
 AC_SUBST(SIDPLAY_LIBS)
-      
-AC_SUBST(sidplay_library)
-AC_SUBST(sidplay_cflags)
-  
-])
 
+AC_LANG_POP(C++)
+])