From patchwork Mon Sep 16 10:54:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 1162740 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="pNYUSbIS"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46X37g0cGhz9sR1 for ; Mon, 16 Sep 2019 20:55:59 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732474AbfIPKzz (ORCPT ); Mon, 16 Sep 2019 06:55:55 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:41132 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732451AbfIPKyq (ORCPT ); Mon, 16 Sep 2019 06:54:46 -0400 Received: by mail-lj1-f196.google.com with SMTP id f5so1272176ljg.8 for ; Mon, 16 Sep 2019 03:54:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=HSB3pC6OCIzwVYGBAJ0R7QI4CKajD+8ovp0KUKhem8g=; b=pNYUSbISKlAVLelxCU1TU78GP/FlR+e7TlMVVNr+WQfkvrUyOQytDZ1zL1iVg/OgZe 6p6VltOKoWLDC/bPlR07+PqlPVKShLC8jd3pdogkkTiie7b6Q6qbewuXTyHcmiDnXpI9 nexFhZb6QkDjPMIgqjqoAenm82Eo5FSyqbzu2mVY2gkxjWC6rA3RJouf7eW9/956lUwo n3ujW3x/Y0Utc6zd+V/GzPWYnPD5jAs+aoniDRHjpYyQyNDBZcy8WMo8xx8v4czDr4/y wSRreUWlENL/nESYpqKX4+K4UeYnvtu6ZqfqWthcs5MXxnIME71OVkCZMJ/i342wY9xE /9Qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=HSB3pC6OCIzwVYGBAJ0R7QI4CKajD+8ovp0KUKhem8g=; b=RSfEh30DtETp31ndXS6g1ul4oO4FBK8qqETpzr+BvX0VdRds5bahbgeD2Q1a2w1qtD FG7yPjXPggtSDHUqDbjPcsdFqizLvmZOkATrxladT/mIjzaEpuXYu9Lz0bCD/RO9KhyF Z44uJBHWeIBsVc941+UxBZuwdTlIwkkqCBP1OOPytphdFlTq6w0Sa1o3vPskNAQfl0Ef pxtfBCItPavRVgpZ1Avwpfu7nwi3KfcsoFi3XMZTfWG0L5FLcxfId+T9SJ3vab7EOKzV Mornlhznfp/R2hPP1m05roOUCBFxhwW28kOWLZtFFchRThRbeZGTT+AlW71/02O8GV/q dGew== X-Gm-Message-State: APjAAAWFJ8CusZ2OBZiDdFDdPI8+KWDwhaiZOvbsaysEikc3wvW80vHU 6fcjgFxvm14Di7dj1XyN4lkRKA== X-Google-Smtp-Source: APXvYqx/A2fPKX099Lb1d4EObHCdvUw6KNT4rOt0p0xKK+1FDVo7yE677tG2x5n4sDmWFNFZZiiWsQ== X-Received: by 2002:a2e:9b43:: with SMTP id o3mr13477947ljj.214.1568631284266; Mon, 16 Sep 2019 03:54:44 -0700 (PDT) Received: from localhost.localdomain (168-200-94-178.pool.ukrtel.net. [178.94.200.168]) by smtp.gmail.com with ESMTPSA id v1sm8987737lfq.89.2019.09.16.03.54.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 16 Sep 2019 03:54:43 -0700 (PDT) From: Ivan Khoronzhuk To: ast@kernel.org, daniel@iogearbox.net, yhs@fb.com, davem@davemloft.net, jakub.kicinski@netronome.com, hawk@kernel.org, john.fastabend@gmail.com Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, clang-built-linux@googlegroups.com, sergei.shtylyov@cogentembedded.com, Ivan Khoronzhuk Subject: [PATCH v3 bpf-next 03/14] samples: bpf: makefile: use --target from cross-compile Date: Mon, 16 Sep 2019 13:54:22 +0300 Message-Id: <20190916105433.11404-4-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190916105433.11404-1-ivan.khoronzhuk@linaro.org> References: <20190916105433.11404-1-ivan.khoronzhuk@linaro.org> Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org For cross compiling the target triple can be inherited from cross-compile prefix as it's done in CLANG_FLAGS from kernel makefile. So copy-paste this decision from kernel Makefile. Signed-off-by: Ivan Khoronzhuk Acked-by: Andrii Nakryiko --- samples/bpf/Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 43dee90dffa4..b59e77e2250e 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -195,7 +195,7 @@ BTF_PAHOLE ?= pahole # Detect that we're cross compiling and use the cross compiler ifdef CROSS_COMPILE HOSTCC = $(CROSS_COMPILE)gcc -CLANG_ARCH_ARGS = -target $(ARCH) +CLANG_ARCH_ARGS = --target=$(notdir $(CROSS_COMPILE:%-=%)) endif # Don't evaluate probes and warnings if we need to run make recursively