diff -up ./assimp.pc.in.pkgconfig ./assimp.pc.in
--- ./assimp.pc.in.pkgconfig	2011-12-16 20:06:44.272286603 -0500
+++ ./assimp.pc.in	2011-12-16 20:07:06.063011349 -0500
@@ -1,7 +1,7 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-exec_prefix=@CMAKE_INSTALL_PREFIX@/@BIN_INSTALL_DIR@
-libdir=@CMAKE_INSTALL_PREFIX@/@LIB_INSTALL_DIR@
-includedir=@CMAKE_INSTALL_PREFIX@/@INCLUDE_INSTALL_DIR@/assimp
+exec_prefix=@BIN_INSTALL_DIR@
+libdir=@LIB_INSTALL_DIR@
+includedir=@INCLUDE_INSTALL_DIR@/assimp
 
 Name: @CMAKE_PROJECT_NAME@
 Description: Import various well-known 3D model formats in an uniform manner.