if (CMAKE_COMPILER_IS_GNUCC) execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION) string(REGEX MATCHALL "[0-9]+" GCC_VERSION_COMPONENTS ${GCC_VERSION}) list(GET GCC_VERSION_COMPONENTS 0 GCC_MAJOR) list(GET GCC_VERSION_COMPONENTS 1 GCC_MINOR) message(STATUS ${GCC_MAJOR}) message(STATUS ${GCC_MINOR}) endif()