-march=cooperlake requires gcc10

cmake/cc.cmake

@@ -107,7 +107,10 @@ endif ()
 if (${CORE} STREQUAL "COOPERLAKE")
   if (NOT DYNAMIC_ARCH)
     if (NOT NO_AVX512)
-      set (CCOMMON_OPT = "${CCOMMON_OPT} -march=cooperlake")
+      execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+      if (${GCC_VERSION} VERSION_GREATER 10.1 OR ${GCC_VERSION} VERSION_EQUAL 10.1)
+        set (CCOMMON_OPT = "${CCOMMON_OPT} -march=cooperlake")
+      endif()  
     endif ()
   endif ()
 endif ()