375ecde
diff -up gavl-1.1.1/configure.ac.gdither gavl-1.1.1/configure.ac
375ecde
--- gavl-1.1.1/configure.ac.gdither	2009-07-13 22:42:38.000000000 +0200
375ecde
+++ gavl-1.1.1/configure.ac	2009-10-28 00:02:31.461428785 +0100
375ecde
@@ -217,6 +217,27 @@ TOP_SRCDIR=`cd ${srcdir} && pwd` 
4e3ea8e
 AC_SUBST(TOP_SRCDIR)
4e3ea8e
 
4e3ea8e
 dnl
4e3ea8e
+dnl System libraries
4e3ea8e
+dnl
4e3ea8e
+
4e3ea8e
+AC_ARG_ENABLE(libgdither,
4e3ea8e
+  [  --enable-libgdither	System libgdither (experimental)])
4e3ea8e
+if test "${enable_libgdither}" = "yes"
4e3ea8e
+then
4e3ea8e
+  PKG_CHECK_MODULES(LIBGDITHER, libgdither,
4e3ea8e
+    [
4e3ea8e
+      AC_DEFINE(HAVE_LIBGDITHER, 1, [Define to 1 if you have the `libgdither' library (-lgdither).])
4e3ea8e
+      have_libgdither="true"
4e3ea8e
+    ],
4e3ea8e
+    [
4e3ea8e
+      have_libgdither="false"
4e3ea8e
+    ]
4e3ea8e
+  )
4e3ea8e
+fi
4e3ea8e
+AM_CONDITIONAL(HAVE_LIBGDITHER, [test x$have_libgdither = xtrue])
4e3ea8e
+
4e3ea8e
+
4e3ea8e
+dnl
4e3ea8e
 dnl Output variables
4e3ea8e
 dnl
4e3ea8e
 
375ecde
diff -up gavl-1.1.1/gavl/Makefile.am.gdither gavl-1.1.1/gavl/Makefile.am
375ecde
--- gavl-1.1.1/gavl/Makefile.am.gdither	2009-05-13 17:10:37.000000000 +0200
375ecde
+++ gavl-1.1.1/gavl/Makefile.am	2009-10-28 00:04:37.837435280 +0100
375ecde
@@ -40,8 +40,15 @@ threednow_libs = 
4e3ea8e
 threednow_subdirs =
4e3ea8e
 endif
4e3ea8e
 
4e3ea8e
+if HAVE_LIBGDITHER
4e3ea8e
+  MAYBE_LIBGDITHER_LA = @LIBGDITHER_LIBS@
4e3ea8e
+else
4e3ea8e
+  MAYBE_LIBGDITHER = libgdither
4e3ea8e
+  MAYBE_LIBGDITHER_LA = libgdither/libgdither.la
4e3ea8e
+endif
4e3ea8e
+
4e3ea8e
 
4e3ea8e
-SUBDIRS = hq c libgdither libsamplerate $(mmx_subdirs) \
4e3ea8e
+SUBDIRS = hq c $(MAYBE_LIBGDITHER) libsamplerate $(mmx_subdirs) \
4e3ea8e
 $(sse_subdirs) \
4e3ea8e
 $(sse2_subdirs) \
4e3ea8e
 $(sse3_subdirs) \
375ecde
@@ -109,7 +116,7 @@ $(sse3_libs) \
4e3ea8e
 $(threednow_libs) \
4e3ea8e
 c/libgavl_c.la \
4e3ea8e
 hq/libgavl_hq.la \
4e3ea8e
-libgdither/libgdither.la \
4e3ea8e
+$(MAYBE_LIBGDITHER_LA) \
4e3ea8e
 libsamplerate/libsamplerate.la \
375ecde
 @LIBGAVL_LIBS@ \
4e3ea8e
 -lm