--- a/var/db/repos/gentoo/media-libs/gegl/gegl-0.4.26.ebuild
+++ b/var/db/repos/gentoo/media-libs/gegl/gegl-0.4.26.ebuild
@@ -108,6 +108,13 @@ src_prepare() {
 
        gnome2_environment_reset
 
+       cd "${S}/opencl"
+       for file in *.cl; do
+               if [ -f "$file" ]; then
+               python cltostring.py $file
+               fi
+       done
+
        use vala && vala_src_prepare
 }