[PATCH 06/15] efi/libstub: disable clang LTO

From: Sami Tolvanen
Date: Fri Nov 03 2017 - 13:17:01 EST


With CONFIG_CLANG_LTO, we produce LLVM IR instead of object files. Since LTO
is not really needed here and the Makefile assumes we produce an object file,
disable LTO for libstub.

Signed-off-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
---
drivers/firmware/efi/libstub/Makefile | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index 2371a92808be..5146eee677ce 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -20,7 +20,8 @@ cflags-$(CONFIG_EFI_ARMSTUB) += -I$(srctree)/scripts/dtc/libfdt
KBUILD_CFLAGS := $(cflags-y) -DDISABLE_BRANCH_PROFILING \
-D__NO_FORTIFY \
$(call cc-option,-ffreestanding) \
- $(call cc-option,-fno-stack-protector)
+ $(call cc-option,-fno-stack-protector) \
+ $(DISABLE_LTO)

GCOV_PROFILE := n
KASAN_SANITIZE := n
--
2.15.0.403.gc27cc4dac6-goog