From nobody Mon Feb 9 02:57:03 2026 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BCC62147EA for ; Thu, 24 Apr 2025 12:00:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745496040; cv=none; b=LTmeOzyUEw6Gi63mC/npUdvxGoyD7hxIq4O9y3PX7qB1yE/Z2m69knwLm5qHRXohd+VBDYuxoAC+X8K28UBfNqcc+22FN+FK6cect2+dKxaIv2PdbQNT74z+r3uaARyOiXDxZtEARfaqCkBD95awzFf73IJZzjY8se/WtRxGO3w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745496040; c=relaxed/simple; bh=HLNqQlI1CMx/CXGHhy0Wdu+xi9GeSZuybgPqpVktToM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=XV/jafw1znQLLoonrn+svlN2U6ZUWUmrQ0vuZPy+n9ORkWV6Bbrl7ZFaldenSNGXDsueePlGOr+HeV+90RP4qcjt5oRqkwzONb7JMg1GmtYu0AU5efZsU2ddVEeWPy3LYrDJTbzanbfzcxaBAM/nI6cXTGFIzygIQEKd5AKPcSA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=2ZCcyZp9; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=ACgUkYhT; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="2ZCcyZp9"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="ACgUkYhT" From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1745496037; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=cYkuCG5H6LWZm72zl+Zxot+183U8iOXDTJhedaNHA+U=; b=2ZCcyZp9OY30YTaJrDkOFnExzqzCs34BvjgK5HosWbPtzaLs5zCGZQILdxm29UxqG4p7vx 3sZTsoNhiVchmQ56tsF2zm9WWJK/27GkQBxJbUFA4gEpnrqRDDAFjrxQMRDpj4xSJEjjah rzAsz+XI9WIrQyrpDSPaUSD7rDmXLufeTYXC9BSJkYhUISrXzuahoYkX/B/tgJmuNY3O+G /05QsFF6ZNZ665MdSe8loTbLA4jlHhc+vpKCyjr7cIBmjYI7kKqGAALWwriThsGvQODJqN ts+KHtfuISBa9juPWG3I3R4sLnxIU7or7vOEPrkYJXeeecv76nU5ocU222XpJQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1745496037; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=cYkuCG5H6LWZm72zl+Zxot+183U8iOXDTJhedaNHA+U=; b=ACgUkYhTh2deA3IEiPDRoBvSlyLlLLBZnQya9psGdGQc8/F2uapRjg5m/EnJPnTu45NBKM YAlJLYghjN+bmUCg== Date: Thu, 24 Apr 2025 14:00:36 +0200 Subject: [PATCH] tools/build: Fix s390(x) cross-compilation with clang Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250424-tools-cross-s390-v1-1-d3ec4b43df12@linutronix.de> X-B4-Tracking: v=1; b=H4sIAOMnCmgC/x3MSwqAMAwA0atI1gZqWvFzFXFRNGpArDQigvTuF pdvMfOCchRW6IsXIt+iEo6Mqixg2vyxMsqcDWSoNo4cXiHsilMMqqi2M9hY9p5mR621kLMz8iL PvxzGlD7PzKfBYgAAAA== X-Change-ID: 20250424-tools-cross-s390-73eaa2d42833 To: Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Andrii Nakryiko , Quentin Monnet , Jean-Philippe Brucker Cc: linux-kernel@vger.kernel.org, llvm@lists.linux.dev, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1745496037; l=1553; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=HLNqQlI1CMx/CXGHhy0Wdu+xi9GeSZuybgPqpVktToM=; b=65HA/ft2uYY63g/+4+aOIwgDJhS16XpdO0onql1CmYt0sjJ9rRMGNAW9vdbM5kTkak60jT8bB B/1nxqQ6CcpC+NOakogw59qgLksRrTXG8Pz3d9vqRGEtfBZRYY3FUqA X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= The heuristic to derive a clang target triple from a GCC one does not work for s390. GCC uses "s390-linux" while clang expects "s390x-linux" or "powerz-linux". Add an explicit override. Signed-off-by: Thomas Wei=C3=9Fschuh --- There doesn't seem to be a formal maintainer for this file. Maybe the clang/llvm maintainers can pick it up. --- tools/scripts/Makefile.include | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/scripts/Makefile.include b/tools/scripts/Makefile.include index 5158250988cea8eabb0b2add34bae28c273cb997..ded48263dd5e05e174316eda7b3= 09804923e9711 100644 --- a/tools/scripts/Makefile.include +++ b/tools/scripts/Makefile.include @@ -101,7 +101,9 @@ else ifneq ($(CROSS_COMPILE),) # Allow userspace to override CLANG_CROSS_FLAGS to specify their own # sysroots and flags or to avoid the GCC call in pure Clang builds. ifeq ($(CLANG_CROSS_FLAGS),) -CLANG_CROSS_FLAGS :=3D --target=3D$(notdir $(CROSS_COMPILE:%-=3D%)) +CLANG_TARGET :=3D $(notdir $(CROSS_COMPILE:%-=3D%)) +CLANG_TARGET :=3D $(subst s390-linux,s390x-linux,$(CLANG_TARGET)) +CLANG_CROSS_FLAGS :=3D --target=3D$(CLANG_TARGET) GCC_TOOLCHAIN_DIR :=3D $(dir $(shell which $(CROSS_COMPILE)gcc 2>/dev/null= )) ifneq ($(GCC_TOOLCHAIN_DIR),) CLANG_CROSS_FLAGS +=3D --prefix=3D$(GCC_TOOLCHAIN_DIR)$(notdir $(CROSS_COM= PILE)) --- base-commit: 0af2f6be1b4281385b618cb86ad946eded089ac8 change-id: 20250424-tools-cross-s390-73eaa2d42833 Best regards, --=20 Thomas Wei=C3=9Fschuh