Update system.cmake

cmake/system.cmake

@@ -46,13 +46,15 @@ endif ()
 
 if (DEFINED TARGET)
   if (${TARGET} STREQUAL "COOPERLAKE" AND NOT NO_AVX512)
-    if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
+#    if (${CMAKE_C_COMPILER_ID} STREQUAL "GNU")
       execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
         if (${GCC_VERSION} VERSION_GREATER 10.1 OR ${GCC_VERSION} VERSION_EQUAL 10.1)
           set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=cooperlake")
         else()
           set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -march=skylake-avx512")
         endif()
+#    elseif (${CMAKE_C_COMPILER_ID} STREQUAL "CLANG")
+#      set (KERNEL_DEFINITIONS "${KERNEL_DEFINITIONS} -mavx2")
     endif()    
   endif()
   if (${TARGET} STREQUAL "SKYLAKEX" AND NOT NO_AVX512)