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 10515ECE58D for ; Fri, 11 Oct 2019 00:29:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E0A6421929 for ; Fri, 11 Oct 2019 00:29:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="lgPdUOsd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727894AbfJKA3T (ORCPT ); Thu, 10 Oct 2019 20:29:19 -0400 Received: from mail-lf1-f66.google.com ([209.85.167.66]:44136 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727692AbfJKA2g (ORCPT ); Thu, 10 Oct 2019 20:28:36 -0400 Received: by mail-lf1-f66.google.com with SMTP id q12so5707496lfc.11 for ; Thu, 10 Oct 2019 17:28:33 -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=03GhUEVVPKzA4TMKrHg2hN3Csg5CX1o2irsu+gSocso=; b=lgPdUOsdWvm3NrU+k0qDkNxtB02GwhSc5KwzTrCweHYaxGN3NwSL194iDLlMKbHnkv HQsLrmFRtK/MtY3s/t6lnF+dn79c9z+krOQUQchJEDuQ1x5wj40QtHKQGOOzwMr6pRkZ m5Vkk9C5vFXa/NWObQzlISQO4YdbJs44MBjE2Xjous5QWHXDZlr5DcIOTBFHkyeEGG61 WF5Q7LTNZe3DrJVHzyS/VSxTW8rou+w2JR/RdhCDReKxj3Ac/8BRWjvZzNJle1gTsy0r gvhuogyNpORJ/IMHS8eJ+Y6UViz1GyjAt2gUp2tjQrsb1BfdiOFJaLYy7NLhBHyRChj0 y2Pw== 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=03GhUEVVPKzA4TMKrHg2hN3Csg5CX1o2irsu+gSocso=; b=n9RW8jwaI8Bi+zT+bWhAqVQGEPlNrAp7AtJET4jGEpOnJAfVg13KBIvvy+Axnnhr4P vY4KOw4lR8xsccK81PESlV+EZ1XLfuIGqWGSBAzf0a+ZwVqih/CaPFESlu+FX8ix0kzV o1YDoX3Afk43B52lY5Iz2Rs7p52da1ereMrGqL7QCCdneRCL5WTcQRKJc+kMHimuZJa/ 3Q928yyMgSd0z1PbjTRd2+Ssr2RMAOL2zb4NPxensrerE2cVlPDCOWxZqpyVwGep/Z0p /naoUPRrzk7bE+XSyvs3UGvWrmPkRNBQYFsmyeP4tZn8zRKIElLLDX7xgICXAG2qzy2k FAGA== X-Gm-Message-State: APjAAAUUxTm+yvtq38Ln9tiMi1/NsDCczb07L93cH4sXFlydVd8zI8+A xPpqoAqe98VWsGOgPzgvfzzPwA== X-Google-Smtp-Source: APXvYqy0DvtjgGiKI7+n5Ix8WqhnukzK5KufDqlv4+eYNhjK3Y4l+UKA9J1K50qMit1NFTou4C7DEA== X-Received: by 2002:ac2:43d9:: with SMTP id u25mr7678515lfl.142.1570753713044; Thu, 10 Oct 2019 17:28:33 -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.45.2019.10.10.17.28.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Oct 2019 17:28:32 -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 09/15] samples/bpf: use own flags but not HOSTCFLAGS Date: Fri, 11 Oct 2019 03:28:02 +0300 Message-Id: <20191011002808.28206-10-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: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org While compiling natively, the host's cflags and ldflags are equal to ones used from HOSTCFLAGS and HOSTLDFLAGS. When cross compiling it should have own, used for target arch. While verification, for arm, arm64 and x86_64 the following flags were used always: -Wall -O2 -fomit-frame-pointer -Wmissing-prototypes -Wstrict-prototypes So, add them as they were verified and used before adding Makefile.target and lets omit "-fomit-frame-pointer" as were proposed while review, as no sense in such optimization for samples. Signed-off-by: Ivan Khoronzhuk --- samples/bpf/Makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/samples/bpf/Makefile b/samples/bpf/Makefile index 91bfb421c278..57a15ff938a6 100644 --- a/samples/bpf/Makefile +++ b/samples/bpf/Makefile @@ -176,8 +176,10 @@ BPF_EXTRA_CFLAGS := $(ARM_ARCH_SELECTOR) TPROGS_CFLAGS += $(ARM_ARCH_SELECTOR) endif -TPROGS_LDLIBS := $(KBUILD_HOSTLDLIBS) -TPROGS_CFLAGS += $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) +TPROGS_CFLAGS += -Wall -O2 +TPROGS_CFLAGS += -Wmissing-prototypes +TPROGS_CFLAGS += -Wstrict-prototypes + TPROGS_CFLAGS += -I$(objtree)/usr/include TPROGS_CFLAGS += -I$(srctree)/tools/lib/bpf/ TPROGS_CFLAGS += -I$(srctree)/tools/testing/selftests/bpf/ -- 2.17.1