Merge pull request #2989 from martin-frbg/cmake-fma

Fix missing -mfma compiler flag in cmake builds without DYNAMIC_ARCH

Author: martin-frbg

cmake/cc.cmake

@@ -124,6 +124,9 @@ if (NOT DYNAMIC_ARCH)
 	if (HAVE_AVX)
         set (CCOMMON_OPT  "${CCOMMON_OPT} -mavx")
 	endif ()
+	if (HAVE_FMA3)
+	set (CCOMMON_OPT  "${CCOMMON_OPT} -mfma")
+	endif ()
 	if (HAVE_SSE)
 	set (CCOMMON_OPT  "${CCOMMON_OPT} -msse")
 	endif ()