Clifford Wolf:

package/mathieu/gtkam/gtkam.conf

@@ -0,0 +1,4 @@
+
+# this package needs an -rpath linker option to build successfully
+makeopt="$makeopt LDFLAGS='`pkg-config --libs-only-L gimp-2.0 | sed 's/-L/-Wl,-rpath /g'`'"
+