diff --git a/cmake/CFlagsToVar.cmake b/cmake/CFlagsToVar.cmake
index 67c899d47..b6b1af6bd 100644
--- a/cmake/CFlagsToVar.cmake
+++ b/cmake/CFlagsToVar.cmake
@@ -1,5 +1,8 @@
 function(CFlagsToVar NAME)
 	set(C_FLAGS ${CMAKE_C_FLAGS})
+	string(REPLACE "${CMAKE_SOURCE_DIR}" "<src dir>" C_FLAGS "${C_FLAGS}")
+	string(REPLACE "${CMAKE_BINARY_DIR}" "<build dir>" C_FLAGS "${C_FLAGS}")
+
 	if (CMAKE_BUILD_TYPE)
 	    string(TOUPPER "${CMAKE_BUILD_TYPE}" CAPS_BUILD_TYPE)
 	    string(APPEND C_FLAGS " ${CMAKE_C_FLAGS_${CAPS_BUILD_TYPE}}")