@@ -1,4 +1,4 @@
-# $NetBSD: mozilla-common.mk,v 1.50 2015/03/05 13:29:41 ryoon Exp $
+# $NetBSD: mozilla-common.mk,v 1.51 2015/03/17 03:19:08 ryoon Exp $
 #
 # common Makefile fragment for mozilla packages based on gecko 2.0.
 #
@@ -21,6 +21,7 @@
 .if ${MACHINE_ARCH} == "i386"
 # Fix for PR pkg/48152.
 CPPFLAGS+=		-march=i486
+# This is required for SSE2 code under i386.
 CPPFLAGS+=		-mstackrealign
 .endif