mtd: Activate LTO compile option

This decreases the size of the mtd application by 25% on MIPS BE.

old:
20,597 /sbin/mtd

new:
16,421 /sbin/mtd

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2019-10-27 22:32:59 +01:00
parent 6596c95eca
commit 1eb34b7287

View File

@ -36,7 +36,8 @@ endef
target=$(firstword $(subst -, ,$(BOARD)))
MAKE_FLAGS += TARGET="$(target)"
TARGET_CFLAGS := $(TARGET_CFLAGS) -Dtarget_$(target)=1 -Wall
TARGET_CFLAGS += -Dtarget_$(target)=1 -Wall -flto
TARGET_LDFLAGS += -flto=jobserver
ifdef CONFIG_MTD_REDBOOT_PARTS
MAKE_FLAGS += FIS_SUPPORT=1