+########
+## GCC #
+########
+exec_program("${CMAKE_C_COMPILER} --version" OUTPUT_VARIABLE "COMPILER_C_VERSION")
+string(REGEX MATCH "[0-9].[0-9].[0-9]" COMPILER_C_VERSION "${COMPILER_C_VERSION}")
+string(REGEX MATCH "^[0-9].[0-9]" COMPILER_C_VERSION_MAJOR_MINOR "${COMPILER_C_VERSION}")
+string(REPLACE "${COMPILER_C_VERSION_MAJOR_MINOR}." "" COMPILER_C_VERSION_PATCH "${COMPILER_C_VERSION}")
+