Stefan Fiedler:

package/base/libpng/libpng.conf

@@ -0,0 +1,7 @@
+libpng_postmake ()
+{
+	# this fixes building cups against latest libpng
+	ln -svf libpng.so.3.12.0 $root/usr/lib/libpng.so
+}
+
+hook_add postmake 5 libpng_postmake

package/gnome2/gimp/gimp-2.2.11-libpng_fix-1.patch

@@ -0,0 +1,31 @@
+Submitted By:            Randy McMurchy <randy_at_linuxfromscratch_dot_org>
+Date:                    2006-05-27
+Initial Package Version: 2.2.11
+Upstream Status:         In upstream CVS
+Origin:                  Upstream CVS
+Description:             Fixes an issue with Gimp using a deprecated libpng
+                         function no longer available in >= libpng-1.2.9
+
+$Id: gimp-2.2.11-libpng_fix-1.patch 1546 2006-05-27 23:44:49Z randy $
+
+
+--- gimp-2.2.11-orig/plug-ins/common/png.c	2004-11-23 14:28:43.000000000 +0000
++++ gimp-2.2.11/plug-ins/common/png.c	2006-05-27 23:08:02.000000000 +0000
+@@ -1012,7 +1012,7 @@
+    * Done with the file...
+    */
+ 
+-  png_read_destroy (pp, info, NULL);
++  png_destroy_read_struct (&pp, &info, NULL);
+ 
+   g_free (pixel);
+   g_free (pixels);
+@@ -1441,7 +1441,7 @@
+     };
+ 
+   png_write_end (pp, info);
+-  png_write_destroy (pp);
++  png_destroy_write_struct (&pp, &info);
+ 
+   g_free (pixel);
+   g_free (pixels);