FROMLIST: scripts/mod: disable LTO for empty.c

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.

Bug: 62093296
Bug: 67506682
Change-Id: I0c7ac7ee0134465cac4a8c3a9c7e8b6347076a2b
(am from https://patchwork.kernel.org/patch/10060317/)
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>

diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index 42c5d50f2bccf1d3ed8de3366526ae8279c31eb9..e014b2fdd06993637de6d5ac8aa98b7de5d5e725 100644 (file)
--- 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