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FROMLIST: efi/libstub: disable LTO

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

Bug: 145210207
Change-Id: Ie8b570c05995eb0fdb272ef9d1afc444449e57c9
Link: https://lore.kernel.org/lkml/20201211184633.3213045-13-samitolvanen@google.com/
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Sami Tolvanen
2017-05-01 11:08:05 -07:00
parent beab453713
commit 004d72144e
1 changed files with 2 additions and 0 deletions
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2
drivers/firmware/efi/libstub/Makefile
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@@ -38,6 +38,8 @@ KBUILD_CFLAGS := $(cflags-y) -Os -DDISABLE_BRANCH_PROFILING \
# remove SCS flags from all objects in this directory
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_SCS), $(KBUILD_CFLAGS))
# disable LTO
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_LTO), $(KBUILD_CFLAGS))
GCOV_PROFILE := n
# Sanitizer runtimes are unavailable and cannot be linked here.