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[05/15] scripts/mod: disable LTO for empty.c

Message ID 20171103171203.107569-6-samitolvanen@google.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sami Tolvanen Nov. 3, 2017, 5:11 p.m. UTC 
With CONFIG_CLANG_LTO, 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>
---
 scripts/mod/Makefile | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index 42c5d50f2bcc..e014b2fdd069 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -1,5 +1,6 @@ 
 # SPDX-License-Identifier: GPL-2.0
 OBJECT_FILES_NON_STANDARD := y
+CFLAGS_empty.o += $(DISABLE_LTO)
 
 hostprogs-y	:= modpost mk_elfconfig
 always		:= $(hostprogs-y) empty.o