Add LDFLAGS variable to Makefile, make sure the extra linker flags can be passed.

Upstream-Status: Pending

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>

diff --git a/Makefile b/Makefile
index 0c56ade..79f2e2b 100644
--- a/Makefile
+++ b/Makefile
@@ -68,17 +68,17 @@ clean :
 	rm -f ${CONF_SCRIPTS} ${AOE_PING_OBJ} ${AOE_CFG_OBJ} ${SANCHECK_OBJ} ${PROGS}
 
 aoeping : ${AOE_PING_OBJ}
-	${CC} ${CFLAGS} -o $@ ${AOE_PING_OBJ}
+	${CC} ${CFLAGS} ${LDFLAGS} -o $@ ${AOE_PING_OBJ}
 aoeping.o : aoeping.c dat.h fns.h
 	${CC} ${CFLAGS} -o $@ -c $<
 linux.o : linux.c config.h
 	${CC} ${CFLAGS} -o $@ -c $<
 aoecfg: ${AOE_CFG_OBJ}
-	${CC} ${CFLAGS} -o $@ ${AOE_CFG_OBJ}
+	${CC} ${CFLAGS} ${LDFLAGS} -o $@ ${AOE_CFG_OBJ}
 aoecfg.o : aoecfg.c dat.h fns.h
 	${CC} ${CFLAGS} -o $@ -c $<
 aoe-sancheck : ${SANCHECK_OBJ}
-	-$(CC) $(CFLAGS) -o $@ ${SANCHECK_OBJ} $(SANCHECKLIBS)
+	-$(CC) $(CFLAGS) ${LDFLAGS} -o $@ ${SANCHECK_OBJ} $(SANCHECKLIBS)
 aoe-sancheck.o : aoe-sancheck.c
 	-$(CC) $(CFLAGS) -o $@ -c $<