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 5EA29C433FE for ; Thu, 17 Nov 2022 22:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241251AbiKQWFh (ORCPT ); Thu, 17 Nov 2022 17:05:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241088AbiKQWFF (ORCPT ); Thu, 17 Nov 2022 17:05:05 -0500 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ECCD01F2D7 for ; Thu, 17 Nov 2022 14:03:49 -0800 (PST) Received: by mail-yb1-xb49.google.com with SMTP id e8-20020a5b0cc8000000b006bca0fa3ab6so2807098ybr.0 for ; Thu, 17 Nov 2022 14:03:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:from:to:cc:subject :date:message-id:reply-to; bh=lfxYDuXklSdFBnB842iyXLpCafR1Yynr/t8/u3lWnLk=; b=QB6NtROf6U1rxz3MyBkb7hyXnsEAUKn8Yt7U8Js/VGrXwQui98OWbEU535c27I3kV4 cvi1UMKhtUodANPnqcN9MZfZG7RB5/e1U81ZDY8y9TP1DQuxEisw6ZNl6Uo0vX5ALiNC hYAFvtbhHBZwcR2Uq42KK2KnkeD7Rb+sH79PCGMl0pcaHtfrHDdumqzv7upUM1Y5Ahha rFlnLIvVk3OJR2Q3L7iCbGWmoU8wXyS9fKP5aiLtPszslHHZmg49vcpgskGqmYLRCM+2 wiClBH8WViK/yNDBnKbQvt1kuLEyfHPbRaSaOZmZ6SG77F4PK3TaAlF/1Q+C3XNo1THY xwNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:mime-version:message-id:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=lfxYDuXklSdFBnB842iyXLpCafR1Yynr/t8/u3lWnLk=; b=4UDtcJvFKXUWjuA1UQRkrZUl7NePa6Do+BdCgzSnDiQ+T0qNw6Dzy9lSAdL6Hwv1zw Rc8otu1NLGTZ5Au+01Ukxqp7KhGMyV5Za7ljrvxq7U4pnL9USv1waROAC4qIl1rf6qcZ 7w5zynW++Vlnxm/sQ94BvEg5V4ATSyoxSWbbPj5IwzBh0NHVXqyQgnJpN5OIZBf3begU rqHFgS0Rqc9gCV3vkpmvJqC45aNsXiCgYVwVK0tSP7EysRmtw8We89V8Jt++jXfloGNN T4SISqSWNjrnDHgS4Zm36SLwWbl+5zlpZH3M4pGIpfCISrvGfTz6SGQUAs6ZZIo3njmu am/g== X-Gm-Message-State: ANoB5plfvARA4iv3IwQ8DeoNqGzPntnXMqzz8+EM+4NAUOCtMCHwCsLZ KHm0qSAhsuemG0oh97Aw5OArjzVFB6XW X-Google-Smtp-Source: AA0mqf6jZaYoAVCrlYwRZY8eE8TGFmtwjrHL90Yo9gR5Yof6nlyvd2wV12j+TFtuN3SnPLeBkHN3eGgbrpnn X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:3f1e:c462:d6b8:fba8]) (user=irogers job=sendgmr) by 2002:a0d:fb83:0:b0:373:65e2:ad91 with SMTP id l125-20020a0dfb83000000b0037365e2ad91mr4098454ywf.66.1668722628801; Thu, 17 Nov 2022 14:03:48 -0800 (PST) Date: Thu, 17 Nov 2022 14:03:36 -0800 Message-Id: <20221117220339.341290-1-irogers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.38.1.584.g0f3c55d4c2-goog Subject: [PATCH v1 0/3] objtool build improvements From: Ian Rogers To: Josh Poimboeuf , Peter Zijlstra , Nathan Chancellor , Nick Desaulniers , Tom Rix , linux-kernel@vger.kernel.org, llvm@lists.linux.dev Cc: Stephane Eranian , Andrii Nakryiko , Jiri Olsa , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Install libsubcmd and then get headers from there, this avoids inadvertent dependencies on things in tools/lib. Fix V=1 support. Clean up how HOSTCC is used to override CC to avoid CFLAGS being set for say gcc, and then CC being overridden to clang. Support HOSTCFLAGS as a make option. Ian Rogers (3): objtool: Install libsubcmd in build objtool: Properly support make V=1 objtool: Alter how HOSTCC is forced tools/objtool/Build | 2 -- tools/objtool/Makefile | 68 +++++++++++++++++++++++++++++------------- 2 files changed, 48 insertions(+), 22 deletions(-) -- 2.38.1.584.g0f3c55d4c2-goog