diff -up libffi-3.1/libffi.pc.in.fixpath libffi-3.1/libffi.pc.in
--- libffi-3.1/libffi.pc.in.fixpath	2014-04-25 19:45:13.000000000 +0200
+++ libffi-3.1/libffi.pc.in	2014-06-12 12:06:06.000000000 +0200
@@ -1,11 +1,10 @@
 prefix=@prefix@
 exec_prefix=@exec_prefix@
 libdir=@libdir@
-toolexeclibdir=@toolexeclibdir@
-includedir=${libdir}/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
+includedir=@includedir@
 
 Name: @PACKAGE_NAME@
 Description: Library supporting Foreign Function Interfaces
 Version: @PACKAGE_VERSION@
-Libs: -L${toolexeclibdir} -lffi
+Libs: -L${libdir} -lffi
 Cflags: -I${includedir}