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diff --git a/cmake/FindGengetopt.cmake b/cmake/FindGengetopt.cmake
index b7bbfcc..9011e41 100644
--- a/cmake/FindGengetopt.cmake
+++ b/cmake/FindGengetopt.cmake
@@ -72,6 +72,7 @@ macro (WRAP_GGO GGO_SRCS)
set_source_files_properties(${${GGO_SRCS}} PROPERTIES GENERATED TRUE)
if(CMAKE_COMPILER_IS_GNUCXX)
find_program(DEFAULT_GCC gcc)
+ cmake_policy(SET CMP0153 OLD)
exec_program(${DEFAULT_GCC} ARGS "-dumpversion" OUTPUT_VARIABLE GCCVER)
if("${GCCVER}" VERSION_GREATER "4.5.2")
set_source_files_properties(${${GGO_SRCS}} PROPERTIES COMPILE_FLAGS "-Wno-unused-but-set-variable")
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