usign: Activate LTO compile option

This decreases the size of the usign application by 16% on MIPS BE.

old:
24,597 /usr/bin/usign

new:
20,501 /usr/bin/usign

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/package/system/usign/Makefile b/package/system/usign/Makefile
index 836b1524d3136855befe92c3b435b77f5bb82ff9..ab7fda33a36beff61b86529ce5f39541c53ef5e1 100644 (file)
--- a/package/system/usign/Makefile
+++ b/package/system/usign/Makefile
@@ -30,6 +30,9 @@ define Package/usign
   TITLE:=OpenWrt signature verification utility
 endef
 
+TARGET_CFLAGS += -flto
+TARGET_LDFLAGS += -flto=jobserver
+
 CMAKE_OPTIONS += \
        -DUSE_LIBUBOX=on