$FreeBSD: ports/graphics/glew/files/patch-Makefile,v 1.6 2005/03/06 22:42:41 pav Exp $

--- Makefile.orig
+++ Makefile
@@ -61,7 +61,7 @@
 STRIP = -s
 endif
 INCLUDE = -Iinclude
-CFLAGS = $(OPT) $(WARN) $(INCLUDE) $(CFLAGS.EXTRA)
+CFLAGS += $(OPT) $(WARN) $(INCLUDE) $(CFLAGS.EXTRA)
 
 LIB.SRCS = src/glew.c
 LIB.OBJS = $(LIB.SRCS:.c=.o)