From patchwork Wed Oct 9 20:41:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ivan Khoronzhuk X-Patchwork-Id: 1174037 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@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=netdev-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="pzdPyL78"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46pR3H0r2Lz9sPF for ; Thu, 10 Oct 2019 07:42:03 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732169AbfJIUmB (ORCPT ); Wed, 9 Oct 2019 16:42:01 -0400 Received: from mail-lj1-f193.google.com ([209.85.208.193]:45145 "EHLO mail-lj1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732170AbfJIUmA (ORCPT ); Wed, 9 Oct 2019 16:42:00 -0400 Received: by mail-lj1-f193.google.com with SMTP id q64so3848538ljb.12 for ; Wed, 09 Oct 2019 13:41:59 -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=ZSbYJ+tLtfDuMSVqb7LwJbRD3u314/MfD3p1keHf2Mw=; b=pzdPyL78q/gbChT77HCP7gSmJXWVdEWKYJQzr4nN7gdvvWnYwHoI8e+zFj+6pgj6yb K8kXXGGo9S629wH2TsCb/WtRqZmXgJJ70q3HTxWrCTT/7iMCwuiKj7zudoSmlfGB+PAI /45wQ4KP7k11v6we53lk8hhEeehY1QX9SjVDv/VQv1jaHINDd6U4g/QtWhYfubjHDXgp XTVVibyKnEQzXFUc37axnMinQOpbyw7ku8dOxYuTW/BDJAeS00IL5E1xmBcZliiAeCXU ntHfGa4HfaPvseNHg7XszDFS0voyh5uMx9tMPpL6EIkU9r4TMaGMpMFzfb6wZW5PrWf4 cALg== 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=ZSbYJ+tLtfDuMSVqb7LwJbRD3u314/MfD3p1keHf2Mw=; b=kunbN/HQtZbKteno6iog/52X0ZrUqjwdx7PKjXXapvAwN4BxrJdcaVV3XzP4nQ+RPD 5PK66zQxwmzxKceXQ0Mh7Saq9TGdgij57/C8m3mv6YhrYK05C/2VD1KL/JToa3dEh7xW mN+l/YHopFyP5J9XsFmQSwJ9GOYkseSbAxRuDdmFcgGQSokPKs91BrElLH04eNhwxMUy JdcZ0ZyAfKlX17GFk11txpnI0MObAucr4aFEect699mu0sVmiMukn0Q2hLYz4TjY428E z6g3tNmooBOdMJTpgAOnNLNC6FmL6iwRUBgp6tNuZi+VTBF1FXm6/mjqu+lmxJzIrGdo JMGg== X-Gm-Message-State: APjAAAUhVO5PAQS37a/IjoPaN2Yc1ipz+LNLbI6F3/mJ+Ey7J2vTaoNK P5+kxCnU9gz8agHoVzQ6YDwkYg== X-Google-Smtp-Source: APXvYqw28C/ieWvRsyR1+UMEt2bz2E5FWkQj5sxBQdPyN7lcnh1XII6n052wtVOlBKbSfxiLGW1YSg== X-Received: by 2002:a2e:86cd:: with SMTP id n13mr3689328ljj.252.1570653718918; Wed, 09 Oct 2019 13:41:58 -0700 (PDT) Received: from localhost.localdomain (168-200-94-178.pool.ukrtel.net. [178.94.200.168]) by smtp.gmail.com with ESMTPSA id h3sm730871ljf.12.2019.10.09.13.41.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Oct 2019 13:41:58 -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, ilias.apalodimas@linaro.org, sergei.shtylyov@cogentembedded.com, Ivan Khoronzhuk Subject: [PATCH v4 bpf-next 14/15] samples/bpf: add sysroot support Date: Wed, 9 Oct 2019 23:41:33 +0300 Message-Id: <20191009204134.26960-15-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191009204134.26960-1-ivan.khoronzhuk@linaro.org> References: <20191009204134.26960-1-ivan.khoronzhuk@linaro.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Basically it only enables that was added by previous couple fixes. Sysroot contains correct libs installed and its headers. Useful when working with NFC or virtual machine. Usage example: clean (on demand) make ARCH=arm -C samples/bpf clean make ARCH=arm -C tools clean make ARCH=arm clean configure and install headers: make ARCH=arm defconfig make ARCH=arm headers_install build samples/bpf: make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- samples/bpf/ \ SYSROOT="path/to/sysroot" Signed-off-by: Ivan Khoronzhuk --- samples/bpf/Makefile | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 6b161326ac67..4df11ddb9c75 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -187,6 +187,11 @@ TPROGS_CFLAGS += -I$(srctree)/tools/lib/ TPROGS_CFLAGS += -I$(srctree)/tools/include TPROGS_CFLAGS += -I$(srctree)/tools/perf +ifdef SYSROOT +TPROGS_CFLAGS += --sysroot=$(SYSROOT) +TPROGS_LDFLAGS := -L$(SYSROOT)/usr/lib +endif + TPROGCFLAGS_bpf_load.o += -Wno-unused-variable TPROGS_LDLIBS += $(LIBBPF) -lelf