--- /dev/null
+--- darktable-1.4.2/cmake/modules/FindGTK2.cmake~ 2014-04-22 16:59:56.000000000 +0000
++++ darktable-1.4.2/cmake/modules/FindGTK2.cmake 2015-07-16 20:31:39.503966178 +0000
+@@ -173,8 +173,10 @@
+ # look in debian/ubuntu multi-arch path (needs cmake >= 2.85~rc2)
+ /usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
+ /usr/local/lib64
++ /usr/local/libx32
+ /usr/local/lib
+ /usr/lib64
++ /usr/libx32
+ /usr/lib
+ /opt/local/include
+ /opt/local/lib