[XS] Change in coreboot[main]: lib: Compile memcpy and memset without LTO

[Arthur Heymans (Code Review)]

Arthur Heymans has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/84335?usp=email )

Change subject: lib: Compile memcpy and memset without LTO
......................................................................

lib: Compile memcpy and memset without LTO

GCC + LTO gets confused about this symbol not being present if compiled
with LTO.

Change-Id: Ieecd198932545d1ac2bbe0354183519c544ff971
Signed-off-by: Arthur Heymans 
---
M src/lib/Makefile.mk
1 file changed, 4 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/35/84335/1

diff --git a/src/lib/Makefile.mk b/src/lib/Makefile.mk
index 40df2b8..aa7e3b9 100644
--- a/src/lib/Makefile.mk
+++ b/src/lib/Makefile.mk
@@ -34,6 +34,10 @@
 # Must reset CCACHE_EXTRAFILES or make applies it transitively to dependencies.
 $(objcbfs)/bootblock.lz4: CCACHE_EXTRAFILES=

+TARGETS := decompressor bootblock verstage romstage ramstage
+$(foreach target,$(TARGETS),$(eval $(call src-to-obj,$(target),$(dir)/memcpy.c): CFLAGS_$(target) += -fno-lto))
+$(foreach target,$(TARGETS),$(eval $(call src-to-obj,$(target),$(dir)/memset.c): CFLAGS_$(target) += -fno-lto))
+
 decompressor-y += delay.c
 decompressor-$(CONFIG_GENERIC_GPIO_LIB) += gpio.c
 decompressor-y += memchr.c