diff -up hostapd-0.6.9/hostapd/Makefile.orig hostapd-0.6.9/hostapd/Makefile
--- hostapd-0.6.9/hostapd/Makefile.orig 2009-12-16 18:16:19.000000000 -0500
+++ hostapd-0.6.9/hostapd/Makefile 2009-12-16 18:16:42.000000000 -0500
@@ -6,6 +6,8 @@ ifndef CFLAGS
CFLAGS = -MMD -O2 -Wall -g
endif
+CFLAGS += $(EXTRA_CFLAGS)
+
# define HOSTAPD_DUMP_STATE to include SIGUSR1 handler for dumping state to
# a file (undefine it, if you want to save in binary size)
CFLAGS += -DHOSTAPD_DUMP_STATE