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scripts/mod: disable LTO for empty.c

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With CONFIG_LTO_CLANG, clang generates LLVM IR instead of ELF object
files. As empty.o is used for probing target properties, disable LTO
for it to produce an object file instead.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201211184633.3213045-12-samitolvanen@google.com
This commit is contained in:
Sami Tolvanen 2020-12-11 10:46:28 -08:00 committed by Kees Cook
parent 7ac204b545
commit d23dddf86a
1 changed files with 1 additions and 0 deletions
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scripts/mod/Makefile
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@ -1,5 +1,6 @@
# SPDX-License-Identifier: GPL-2.0 # SPDX-License-Identifier: GPL-2.0
OBJECT_FILES_NON_STANDARD := y OBJECT_FILES_NON_STANDARD := y
CFLAGS_REMOVE_empty.o += $(CC_FLAGS_LTO)
hostprogs-always-y += modpost mk_elfconfig hostprogs-always-y += modpost mk_elfconfig
always-y += empty.o always-y += empty.o