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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF2F6C3DA78 for ; Mon, 16 Jan 2023 01:01:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231737AbjAPBBj (ORCPT ); Sun, 15 Jan 2023 20:01:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231710AbjAPBBh (ORCPT ); Sun, 15 Jan 2023 20:01:37 -0500 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 019C7A25C for ; Sun, 15 Jan 2023 17:01:35 -0800 (PST) Received: by mail-pf1-x449.google.com with SMTP id cr14-20020a056a000f0e00b0058da951c487so180881pfb.0 for ; Sun, 15 Jan 2023 17:01:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=tHhCz4k6MsqFldWGTt35hGeLdTBertltyGAk8DkitQI=; b=oVMWfsW34/mGzPMwBFwgP503Mmst6dTXQwRmf7yhjQV3T611RrXu8SUNd69diz8msL k2m6ORMzKffSio7JKlJDYGbJNzNcYNM/zi4Lh+Neq+n+22h8KgrCElrqrFrNrnrW9Fwt 4Q0aMoJtNkCMGnvh5OijMMjPPrdIaHndXZd6eLelQTfo1IFemkORMu4h77rN+LVcOu6N pgHQSYw04OOZlUZjQ0ilOFIuOJMHbrpCoEgdIhWSmdlrkjyOIUDGbWBQLdvu3u2qmQbX mHHPhWZK+IL4rEZKsQXiNAi2erx1zf9lypve5krMuoHLn300TU+ofqNc6LiwuoX1klx+ 5Kkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=tHhCz4k6MsqFldWGTt35hGeLdTBertltyGAk8DkitQI=; b=EL1sz+Be8ZHHvygvdGj4dDCy8wRVYN5yVEi+1fB9djI3m48nLRT7RDNb87uUQowtV2 Uhl34V4j3CAqSIIV9wcRmyprq/ea4TivKETxiCQq58hDm6ZJ0ng9W+Sp+QYeNkrRrT3F nHD3rPkFrrWD/QA0ma2BmphNNTc5nD/k7KH5HT3T4UH1C6yoTzyYUd8bNPnwS/AUjC7J qEipzIqgiSB+anasFTDtpyB6dAOhLSk9Y9TtGml4hJFhTwt9J70slkvFqU3Ki0xatIX2 wP3emVdnGkxA80e2B8hL58eM5dA1VUojiby6uOrxFZfn1GQqAHDF6anEtLyhDpLEsM7t h3Lw== X-Gm-Message-State: AFqh2kq2f5FhgmuZxv8IE3m0OROPzFWerf+6/Oz9kvN4JSJhpdlrMaZL nMQKJG0A33YUw0NqKIjACbsOpPvXTDfS X-Google-Smtp-Source: AMrXdXvaEANIV4ydnJVEVN/4TOnTdYZRjSst6vBFoO6VrG5s9o9TicPq79sqg2G3TQ4ogM26FcqU7DZSUxLt X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:79e:5e8e:382c:e7ce]) (user=irogers job=sendgmr) by 2002:a17:90b:264d:b0:226:1564:643c with SMTP id pa13-20020a17090b264d00b002261564643cmr5421842pjb.206.1673830895350; Sun, 15 Jan 2023 17:01:35 -0800 (PST) Date: Sun, 15 Jan 2023 17:01:13 -0800 In-Reply-To: <20230116010115.490713-1-irogers@google.com> Message-Id: <20230116010115.490713-2-irogers@google.com> Mime-Version: 1.0 References: <20230116010115.490713-1-irogers@google.com> X-Mailer: git-send-email 2.39.0.314.g84b9a713c41-goog Subject: [PATCH v2 1/3] tools build: Pass libbpf feature only if libbpf 1.0+ From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Andres Freund , Quentin Monnet , Roberto Sassu , Christy Lee , Andrii Nakryiko , Adrian Hunter , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org Cc: Ian Rogers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org libbpf 1.0 represented a cleanup and stabilization of APIs. Simplify development by only passing the feature test if libbpf 1.0 is installed. Signed-off-by: Ian Rogers --- tools/build/feature/test-libbpf.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/build/feature/test-libbpf.c b/tools/build/feature/test-libbpf.c index a508756cf4cc..cd9989f52119 100644 --- a/tools/build/feature/test-libbpf.c +++ b/tools/build/feature/test-libbpf.c @@ -1,6 +1,10 @@ // SPDX-License-Identifier: GPL-2.0 #include +#if !defined(LIBBPF_MAJOR_VERSION) || (LIBBPF_MAJOR_VERSION < 1) +#error At least libbpf 1.0 is required for Linux tools. +#endif + int main(void) { return bpf_object__open("test") ? 0 : -1; -- 2.39.0.314.g84b9a713c41-goog