From a4d798e8dd61a65078d7bdfea3418cb699c47163 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 27 Oct 2019 22:38:53 +0100
Subject: [PATCH] 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>
(cherry picked from commit 6ffd8a8f92ab5337ab967ab2922d7de7f0480bc9)
---
 package/system/usign/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/package/system/usign/Makefile b/package/system/usign/Makefile
index a2c97a8d7c..b27282698f 100644
--- 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