linux-kernel - [PATCH v2 1/7] selftests/nolibc: allow use x86

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Message-Id: <d4127ef6f629d48928ea0bf60a131b3c09f5909a.1691783604.git.falcon@tinylab.org>
Date:   Sat, 12 Aug 2023 04:28:09 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     falcon@...ylab.org, w@....eu
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        tanyuan@...ylab.org, thomas@...ch.de
Subject: [PATCH v2 1/7] 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 76c387a20811..98d0a619d49d 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -125,6 +125,7 @@ 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