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 23058C678D5 for ; Sat, 11 Mar 2023 06:59:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229995AbjCKG66 (ORCPT ); Sat, 11 Mar 2023 01:58:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230043AbjCKG6s (ORCPT ); Sat, 11 Mar 2023 01:58:48 -0500 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 971FE4D2BD for ; Fri, 10 Mar 2023 22:58:35 -0800 (PST) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-536c039f859so77817127b3.21 for ; Fri, 10 Mar 2023 22:58:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1678517914; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=PA482r9MJe7vZyw+QOZf0rTvnugvk46HQTM8cqZhnKs=; b=tldDHr30uJ+HiUcXonL+iNvGzmn8jN/lqDwYD7A6znThCex6+p0hhXyH2E22r7ju24 AKhEubUuV2ehF+HSJjPO2WNGupZA5GO3JpYAXJpNraNPd7wa27oEdnCM+YdBFgcv5DKJ AsIoeg13+loP7lUeb/pjdh0s/uGID0gWNy3wlLtGsAkG6jn5JPbZ92vQKHkCzzWl/2Za 3MiqRrVtE4tceeZZ4X9S4TCY0MIHrZZCPHVUrf6aejhC2/SbfwSHLPygjhbnhP0J4LCi EKXq9nuSRtoMohBRC90vWQ8ldGj5RPu0mlDlZyx4M/gBKozzjbEps+beBWrfCdTGndQV SKNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678517914; 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=PA482r9MJe7vZyw+QOZf0rTvnugvk46HQTM8cqZhnKs=; b=GH9TwIcfVDH2h4uzDeAX9OEVya5qLTzGRc34kHfnGVm1MRB4KnE036fq9HL+zX2SEo 4SU6dDdgXNOKdxKF9pD7N8foEN0Cd8qDDiXrTvQo/eUg6ZKH9TRfo4XD9tzt+WAEgY6a QYLRrwcLyS5ri1RaAGZYuqvYktVLdojyLjLFvD4fc/bWIRNmrUaIJu4E4USkRVw/RO9/ cEn/GGI2h3J2Y9LDQ8qdlNAE3Yib5SWtbhsXNZDQGT2rZU701FKa1wCw1n58cybLsY+/ lWMdwD4Bq7uesnmvz/kM9T9iIcxVyXJy4d+lhdlZEbWk9Z/tjFWA/s52Rf8JcqV2+h8l cEiA== X-Gm-Message-State: AO0yUKVBvkGcy6byDuLbygjs7XQI1ysB8ssIYsmuzVYSZJ5ILnW0Q7h/ MCJt2DgTWQRqAdJAbgEcfBjWf5W5zCBg X-Google-Smtp-Source: AK7set9RA8SRXgCLcrsgukIbaEmnGpzcWQbxU3olQ8XTZGn0+orP5MYTuo3BIQ/YJ5keXXYT5pRAQOa65JN9 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:a11d:a763:a328:f2d6]) (user=irogers job=sendgmr) by 2002:a5b:ccf:0:b0:a6f:9156:5579 with SMTP id e15-20020a5b0ccf000000b00a6f91565579mr14131802ybr.12.1678517914694; Fri, 10 Mar 2023 22:58:34 -0800 (PST) Date: Fri, 10 Mar 2023 22:57:44 -0800 In-Reply-To: <20230311065753.3012826-1-irogers@google.com> Message-Id: <20230311065753.3012826-5-irogers@google.com> Mime-Version: 1.0 References: <20230311065753.3012826-1-irogers@google.com> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog Subject: [PATCH v1 04/13] perf build: Error if no libelf and NO_LIBELF isn't set From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Nathan Chancellor , Nick Desaulniers , Tom Rix , Roberto Sassu , Quentin Monnet , Andres Freund , Tiezhu Yang , Pavithra Gurushankar , Yang Jihong , Adrian Hunter , Leo Yan , "=?UTF-8?q?Martin=20Li=C5=A1ka?=" , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev Cc: Stephane Eranian , Ian Rogers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Building without libelf support is going disable a lot of functionality. Require that the NO_LIBELF=1 build option is passed if this is intentional. Signed-off-by: Ian Rogers --- tools/perf/Makefile.config | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index a68a3e9b47ae..5691e2ffb1b9 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -426,15 +426,7 @@ else LIBC_SUPPORT := 1 endif ifeq ($(LIBC_SUPPORT),1) - msg := $(warning No libelf found. Disables 'probe' tool, jvmti and BPF support in 'perf record'. Please install libelf-dev, libelf-devel or elfutils-libelf-devel); - - NO_LIBELF := 1 - NO_DWARF := 1 - NO_DEMANGLE := 1 - NO_LIBUNWIND := 1 - NO_LIBDW_DWARF_UNWIND := 1 - NO_LIBBPF := 1 - NO_JVMTI := 1 + msg := $(error ERROR: No libelf found. Disables 'probe' tool, jvmti and BPF support. Please install libelf-dev, libelf-devel, elfutils-libelf-devel or build with NO_LIBELF=1.) else ifneq ($(filter s% -fsanitize=address%,$(EXTRA_CFLAGS),),) ifneq ($(shell ldconfig -p | grep libasan >/dev/null 2>&1; echo $$?), 0) -- 2.40.0.rc1.284.g88254d51c5-goog