| Message ID | 20180220215954.4092811-8-arnd@arndb.de |
|---|---|
| State | New |
| Headers | show |
| Series | ARM: hacks for link-time optimization | expand |
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile index 7b3ba40f0745..cc4c53f1ff0a 100644 --- a/drivers/firmware/efi/libstub/Makefile +++ b/drivers/firmware/efi/libstub/Makefile @@ -20,7 +20,9 @@ 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
Building the EFI stub on 32-bit ARM with LTO resulted in a build error: arm-linux-gnueabi-ld: drivers/firmware/efi/libstub/arm-stub.stub.o: plugin needed to handle lto object arch/arm/boot/compressed/head.o: In function `efi_stub_entry': Locally disabling LTO for this directory seems to do the trick. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/firmware/efi/libstub/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) -- 2.9.0