endif()
endif()
-string(REGEX MATCH "gcc" GCC "${CMAKE_C_COMPILER}")
-if(GCC)
+if(${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
exec_program("${CMAKE_C_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_C_VERSION")
exec_program("${CMAKE_CXX_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_CXX_VERSION")
string(REGEX MATCH "[0-9].[0-9].[0-9]" COMPILER_C_VERSION "${COMPILER_C_VERSION}")