diff -up ./src/CMakeLists.txt.el6 ./src/CMakeLists.txt
--- ./src/CMakeLists.txt.el6	2015-05-17 14:56:16.968234732 -0400
+++ ./src/CMakeLists.txt	2015-05-17 14:57:15.894525737 -0400
@@ -55,7 +55,7 @@ else ()
   endif ()
 endif ()
 
-if (CMAKE_VERSION VERSION_GREATER 2.8.11)
+if (CMAKE_VERSION VERSION_GREATER 2.8.11.2)
   if (GEOGRAPHICLIB_SHARED_LIB)
     target_include_directories (${PROJECT_SHARED_LIBRARIES} INTERFACE
       $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>