diff -up FANN-2.2.0-Source/CMakeLists.txt.pkgconfig FANN-2.2.0-Source/CMakeLists.txt
--- FANN-2.2.0-Source/CMakeLists.txt.pkgconfig	2012-04-24 14:33:08.201999985 +0200
+++ FANN-2.2.0-Source/CMakeLists.txt	2012-04-24 14:33:52.907999769 +0200
@@ -16,7 +16,7 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_BINA
 
 configure_file( ${CMAKE_SOURCE_DIR}/cmake/fann.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/fann.pc @ONLY )
 
-SET(PKGCONFIG_INSTALL_DIR /lib/pkgconfig)
+#SET(PKGCONFIG_INSTALL_DIR /lib/pkgconfig)
 
 ########### install files ###############