--- mozjs17.0.0.orig/js/src/js.pc.in	2013-03-25 21:34:20.000000000 +0100
+++ mozjs17.0.0/js/src/js.pc.in	2014-01-10 10:18:19.000000000 +0100
@@ -1,7 +1,7 @@
 #filter substitution
 prefix=@prefix@
-libdir=@libdir@
-includedir=@includedir@
+libdir=${prefix}/lib
+includedir=${prefix}/include
 
 Name: SpiderMonkey @MOZILLA_VERSION@
 Description: The Mozilla library for JavaScript