1 files changed, 2 insertions, 0 deletions
diff --git a/configure b/configure
index 5f9135fff1..386c0cdfde 100755
--- a/configure
+++ b/configure
@@ -2425,6 +2425,8 @@ elif test -z "$CFLAGS" ; then
     CFLAGS="-O2 $_march $_mcpu $_pipe -fomit-frame-pointer -wd167 -wd556 -wd144"
   elif test "$cc_vendor" = "sun" ; then
     CFLAGS="-O2 $_march $_mcpu $_pipe -xc99 -xregs=frameptr"
+  elif test "$cc_vendor" = "clang"; then
+    CFLAGS="-O2 $_march $_pipe"
   elif test "$cc_vendor" != "gnu" ; then
     CFLAGS="-O2 $_march $_mcpu $_pipe"
   else