linux-kernel - [PATCH v1 1/4] selftests/nolibc: allow use x86

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Message-Id: <4b0af38b9a799835b1bb89445da7a40b0df79b54.1691263493.git.falcon@tinylab.org>
Date:   Sun,  6 Aug 2023 03:38:01 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     w@....eu
Cc:     falcon@...ylab.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, tanyuan@...ylab.org,
        thomas@...ch.de
Subject: [PATCH v1 1/4] selftests/nolibc: allow use x86_64 toolchain for i386

This allows to share the same x86_64 toolchain for i386 architecture.

Pass '-m32' CFLAGS to tell x86_64 toolchains to generate i386 executable.

Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
---
 tools/testing/selftests/nolibc/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index b4171a754eb2..e2b02761ad44 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -122,6 +122,7 @@ else
 Q=@
 endif
 
+CFLAGS_i386 = -m32
 CFLAGS_ppc = -m32 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
 CFLAGS_ppc64 = -m64 -mbig-endian -mno-vsx $(call cc-option,-mmultiple)
 CFLAGS_ppc64le = -m64 -mlittle-endian -mno-vsx $(call cc-option,-mabi=elfv2)
-- 
2.25.1