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mtd: Activate LTO compile option

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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>
(cherry picked from commit 1eb34b7287ed97ad1e2ae60a436babbb5c68076f)
This commit is contained in:
Hauke Mehrtens 2019-10-27 22:32:59 +01:00
parent c38074de92
commit 5cb845ebfe
1 changed files with 2 additions and 1 deletions
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3
package/system/mtd/Makefile
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@ -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