--- nfs-ganesha-2.3-rc5/src/CMakeLists.txt.orig	2015-10-05 07:32:38.294664072 -0400
+++ nfs-ganesha-2.3-rc5/src/CMakeLists.txt	2015-10-08 14:20:40.238664072 -0400
@@ -20,7 +20,7 @@
 set(GANESHA_MINOR_VERSION 3)
 
 # needs to come after project()
-IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+IF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR CMAKE_INSTALL_PREFIX STREQUAL "/usr")
 	SET(CMAKE_INSTALL_PREFIX "/usr" CACHE PATH "Install prefix for common files" FORCE)
 	message(STATUS "override default CMAKE_INSTALL_PREFIX = ${CMAKE_INSTALL_PREFIX}")
 	SET(SYSCONFDIR "/etc" CACHE PATH "Install prefix for common files" FORCE)
@@ -29,7 +29,7 @@
 	message(STATUS "was set CMAKE_INSTALL_PREFIX = ${CMAKE_INSTALL_PREFIX}")
 	SET(SYSCONFDIR "${CMAKE_INSTALL_PREFIX}/etc" CACHE PATH "Install prefix for common files" FORCE)
 	SET(SYSSTATEDIR "${CMAKE_INSTALL_PREFIX}/var" CACHE PATH "Install prefix for common files" FORCE)
-ENDIF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+ENDIF(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT OR CMAKE_INSTALL_PREFIX STREQUAL "/usr")
 # Patch level is always ".0" for mainline (master).  It is blank for development.
 # When starting a stable maintenance branch, this becomes ".N"
 # where N is monotonically increasing starting at 1. Remember to include the "." !!