Merge pull request #2378 from martin-frbg/issue2377

Add -march option for AVX512 in cmake as well

Author: martin-frbg

cmake/cc.cmake

@@ -96,3 +96,10 @@ if (${CMAKE_C_COMPILER_ID} STREQUAL "SUN")
   endif ()
 endif ()
 
+if (${CORE} STREQUAL "SKYLAKEX")
+  if (NOT DYNAMIC_ARCH)
+    if (NOT NO_AVX512)
+      set (CCOMMON_OPT = "${CCOMMON_OPT} -march=skylake-avx512")
+    endif ()
+  endif ()
+endif ()