| Message ID | 20171115213428.22559-15-samitolvanen@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show
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Wed, 15 Nov 2017 13:35:05 -0800 (PST) From: Sami Tolvanen <samitolvanen@google.com> To: Alex Matveev <alxmtvv@gmail.com>, Andi Kleen <ak@linux.intel.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, Greg Hackmann <ghackmann@google.com>, Kees Cook <keescook@chromium.org>, linux-arm-kernel@lists.infradead.org, linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>, Masahiro Yamada <yamada.masahiro@socionext.com>, Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>, Michal Marek <michal.lkml@markovi.net>, Nick Desaulniers <ndesaulniers@google.com>, Yury Norov <ynorov@caviumnetworks.com>, Matthias Kaehlcke <mka@chromium.org> Subject: [PATCH v2 14/18] scripts/mod: disable LTO for empty.c Date: Wed, 15 Nov 2017 13:34:24 -0800 Message-Id: <20171115213428.22559-15-samitolvanen@google.com> X-Mailer: git-send-email 2.15.0.448.gf294e3d99a-goog In-Reply-To: <20171115213428.22559-1-samitolvanen@google.com> References: <20171115213428.22559-1-samitolvanen@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171115_133526_198202_54A06B53 X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. 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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
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> --- scripts/mod/Makefile | 1 + 1 file changed, 1 insertion(+)