--- a/libffi.pc.in
+++ b/libffi.pc.in
-@@ -1,7 +1,7 @@
+@@ -1,10 +1,10 @@
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
-includedir=${libdir}/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
-+includedir=${prefix}/include
++includedir=@includedir@
Name: @PACKAGE_NAME@
Description: Library supporting Foreign Function Interfaces
+ Version: @PACKAGE_VERSION@
+-Libs: -L${libdir} -lffi
+-Cflags: -I${includedir}
++Libs: -lffi
++Cflags:
+--- a/include/Makefile.am
++++ b/include/Makefile.am
+@@ -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 = $(includedir)
+ nodist_includes_HEADERS = ffi.h ffitarget.h
+--- a/include/Makefile.in
++++ b/include/Makefile.in
+@@ -250,7 +250,7 @@ top_srcdir = @top_srcdir@
+ AUTOMAKE_OPTIONS = foreign
+ DISTCLEANFILES = ffitarget.h
+ EXTRA_DIST = ffi.h.in ffi_common.h
+-includesdir = $(libdir)/@PACKAGE_NAME@-@PACKAGE_VERSION@/include
++includesdir = $(includedir)
+ nodist_includes_HEADERS = ffi.h ffitarget.h
+ all: all-am
+