[openwrt/openwrt] lldpd: enable LTO

[LEDE Commits]

stintel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/e4d7e7b3e459e64046625ddd6db9f806c05dfecb

commit e4d7e7b3e459e64046625ddd6db9f806c05dfecb
Author: Stijn Tintel <stijn at linux-ipv6.be>
AuthorDate: Mon Apr 5 18:30:45 2021 +0300

    lldpd: enable LTO
    
    Size difference on mips_4kec:
    W/o LTO: 139674
    W/ LTO:  120196
    
    Signed-off-by: Stijn Tintel <stijn at linux-ipv6.be>
    Suggested-by: Lucian Cristian <lucian.cristian at gmail.com>
---
 package/network/services/lldpd/Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/package/network/services/lldpd/Makefile b/package/network/services/lldpd/Makefile
index 5f5ff89740..7b9bcccd4d 100644
--- a/package/network/services/lldpd/Makefile
+++ b/package/network/services/lldpd/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=lldpd
 PKG_VERSION:=1.0.9
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://media.luffy.cx/files/lldpd
@@ -110,4 +110,7 @@ CONFIGURE_ARGS += \
 	$(if $(CONFIG_LLDPD_WITH_SNMP),--with-snmp,) \
 	$(if $(CONFIG_USE_GLIBC),,--without-libbsd)
 
+TARGET_CFLAGS += -flto
+TARGET_LDFLAGS += -flto
+
 $(eval $(call BuildPackage,lldpd))