Don't set RPATH on installed libraries on Linux

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bb9f90c..f232a81 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -212,8 +212,10 @@
 ADD_DEFINITIONS("-DHAVE_CONFIG_H")
 
 # rpath handling: use rpath in installed binaries
-SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
-SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+IF(NOT CMAKE_SYSTEM_NAME MATCHES Linux)
+	SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+	SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+ENDIF(NOT CMAKE_SYSTEM_NAME MATCHES Linux)
 
 # Testing
 ENABLE_TESTING()