--- libffi-3.0.13.orig/include/Makefile.am	2013-03-16 12:19:39.000000000 +0100
+++ libffi-3.0.13/include/Makefile.am	2013-12-05 16:33:48.000000000 +0100
@@ -5,5 +5,5 @@ AUTOMAKE_OPTIONS=foreign
 DISTCLEANFILES=ffitarget.h
 EXTRA_DIST=ffi.h.in ffi_common.h
 
-includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
+includesdir = $(prefix)/include
 nodist_includes_HEADERS = ffi.h ffitarget.h
