From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5E44C4360C for ; Fri, 11 Oct 2019 00:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1EAE214E0 for ; Fri, 11 Oct 2019 00:28:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="YEWRAAeP" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727869AbfJKA2x (ORCPT ); Thu, 10 Oct 2019 20:28:53 -0400 Received: from mail-lf1-f65.google.com ([209.85.167.65]:42484 "EHLO mail-lf1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727789AbfJKA2m (ORCPT ); Thu, 10 Oct 2019 20:28:42 -0400 Received: by mail-lf1-f65.google.com with SMTP id c195so5710144lfg.9 for ; Thu, 10 Oct 2019 17:28:40 -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=YEWRAAeP4o9HHLefGfaSlerG740LF6GtTrZy66djivNZSPXT2LBKGX5D/yhlmqrqM+ L34Z9JhgWajti0FN3n8kYiabDXezUUK4PqM1gd8sR+MKr0ChD9NupqJwZmQTj7twHTdF dHgGXTZ2cHg7b/c8pXz6c8Enr6iA/I+lnsC3C+lrCF+LHqDLQy7x2dRHtJsVOrbqDS3j daeTThbrpUYNT9YcwYABSYd1h1z/INp//Dh+VQW26ASB/eSFZvjaRl4W3m3yBL3cMnJp udb+u8gkI9g3tPg+Jv5fVOQHAUlMKfUTubwdRuExHcN3URxlHoKGRLzwD696KoEF6F1M 4HBg== 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=UShnjbKllAFitfk08jd6L3Kiyk2yza6pGgnfuy6JAypUJvy9h/liDhv2vCWLZjjLc1 igkIgVzU/0nV5zSpR24NgUVME9okuAr34S+fosCxRHgURF+AAE2pM3QmqP3sn1QRhW+C MrXXTBQhjUp+XKa4+9AtPASQ/fGyu8aOWRVr3E2lq/8MvpXkHtlSrkP31dLFOIR+xst/ ScELi3iwDeBDZuDcKDOQAvBHIWhISFgx7D/6O99kaTzdzAxDkMiDmo2u4eDx7vrURhLy yZhjsmEsVDTQUtuYOVnt/v5VU9dCXO128ZcsAdgWEOvnrh35NmuuYTi/FA670DR+d2SF 9gUg== X-Gm-Message-State: APjAAAX8a3dRShgrv4jVSscEYdPllukrCz1lzug1xVgmCskkR5M0ea/J harVjtohTsL6LPW05quDZBwEdw== X-Google-Smtp-Source: APXvYqyhcISOx5eMOkg9jdNeGYeWkSYpsgitJe+y4Aafu4AVaZ4KPx/+QyNm04qefphEXSuPuAwzpg== X-Received: by 2002:ac2:5468:: with SMTP id e8mr7357520lfn.12.1570753719752; Thu, 10 Oct 2019 17:28:39 -0700 (PDT) Received: from localhost.localdomain (88-201-94-178.pool.ukrtel.net. [178.94.201.88]) by smtp.gmail.com with ESMTPSA id 126sm2367010lfh.45.2019.10.10.17.28.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 17:28:39 -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 v5 bpf-next 14/15] samples/bpf: add sysroot support Date: Fri, 11 Oct 2019 03:28:07 +0300 Message-Id: <20191011002808.28206-15-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191011002808.28206-1-ivan.khoronzhuk@linaro.org> References: <20191011002808.28206-1-ivan.khoronzhuk@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 -- 2.17.1