diff --git a/Modules/CheckCSourceCompiles.cmake b/Modules/CheckCSourceCompiles.cmake
index 35a4bdc56..ec7432509 100644
--- a/Modules/CheckCSourceCompiles.cmake
+++ b/Modules/CheckCSourceCompiles.cmake
@@ -36,7 +36,7 @@ MACRO(CHECK_C_SOURCE_COMPILES SOURCE VAR)
       ${CMAKE_BINARY_DIR}
       ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.c
       COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS 
+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
       "${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}"
       "${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}"
       OUTPUT_VARIABLE OUTPUT)
diff --git a/Modules/CheckCXXSourceCompiles.cmake b/Modules/CheckCXXSourceCompiles.cmake
index 30a97af87..52a2217cc 100644
--- a/Modules/CheckCXXSourceCompiles.cmake
+++ b/Modules/CheckCXXSourceCompiles.cmake
@@ -36,7 +36,7 @@ MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
       ${CMAKE_BINARY_DIR}
       ${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/src.cxx
       COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-      CMAKE_FLAGS 
+      CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_FUNCTION_DEFINITIONS}
       "${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
       "${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
       OUTPUT_VARIABLE OUTPUT)