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From: "Thomas Weißschuh" <linux@weissschuh.net>
To: Willy Tarreau <w@1wt.eu>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,  Shuah Khan <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kselftest@vger.kernel.org,
	"Thomas Weißschuh" <linux@weissschuh.net>
Subject: [PATCH v2 1/4] selftests/nolibc: allow building i386 with multiarch compiler
Date: Sun, 17 Sep 2023 17:36:16 +0200	[thread overview]
Message-ID: <20230917-nolibc-syscall-nr-v2-1-03863d509b9a@weissschuh.net> (raw)
In-Reply-To: <20230917-nolibc-syscall-nr-v2-0-03863d509b9a@weissschuh.net>

When building with a multiarch-capable compiler, like those provided by
common distributions the -m32 argument is required to build 32bit code.

Wrap it in cc-option in case the compiler is not multiarch-capable.

Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
 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 689658f81a19..19096a9ded55 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -113,6 +113,7 @@ else
 Q=@
 endif
 
+CFLAGS_i386 = $(call cc-option,-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)

-- 
2.42.0


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WARNING: multiple messages have this Message-ID (diff)
From: "Thomas Weißschuh" <linux@weissschuh.net>
To: Willy Tarreau <w@1wt.eu>,
	Paul Walmsley <paul.walmsley@sifive.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>, Shuah Khan <shuah@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	linux-kselftest@vger.kernel.org,
	"Thomas Weißschuh" <linux@weissschuh.net>
Subject: [PATCH v2 1/4] selftests/nolibc: allow building i386 with multiarch compiler
Date: Sun, 17 Sep 2023 17:36:16 +0200	[thread overview]
Message-ID: <20230917-nolibc-syscall-nr-v2-1-03863d509b9a@weissschuh.net> (raw)
In-Reply-To: <20230917-nolibc-syscall-nr-v2-0-03863d509b9a@weissschuh.net>

When building with a multiarch-capable compiler, like those provided by
common distributions the -m32 argument is required to build 32bit code.

Wrap it in cc-option in case the compiler is not multiarch-capable.

Acked-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
---
 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 689658f81a19..19096a9ded55 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -113,6 +113,7 @@ else
 Q=@
 endif
 
+CFLAGS_i386 = $(call cc-option,-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)

-- 
2.42.0


  reply	other threads:[~2023-09-17 15:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-17 15:36 [PATCH v2 0/4] tools/nolibc: cleanups for syscall fallbacks Thomas Weißschuh
2023-09-17 15:36 ` Thomas Weißschuh
2023-09-17 15:36 ` Thomas Weißschuh [this message]
2023-09-17 15:36   ` [PATCH v2 1/4] selftests/nolibc: allow building i386 with multiarch compiler Thomas Weißschuh
2023-09-17 15:36 ` [PATCH v2 2/4] tools/nolibc: avoid unused parameter warnings for ENOSYS fallbacks Thomas Weißschuh
2023-09-17 15:36   ` Thomas Weißschuh
2023-09-18 16:19   ` Willy Tarreau
2023-09-18 16:19     ` Willy Tarreau
2023-09-18 19:09     ` Thomas Weißschuh
2023-09-18 19:09       ` Thomas Weißschuh
2023-09-17 15:36 ` [PATCH v2 3/4] tools/nolibc: don't define new syscall number Thomas Weißschuh
2023-09-17 15:36   ` Thomas Weißschuh
2023-09-17 15:36 ` [PATCH v2 4/4] tools/nolibc: automatically detect necessity to use pselect6 Thomas Weißschuh
2023-09-17 15:36   ` Thomas Weißschuh

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