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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no 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 91C73C433DB for ; Wed, 13 Jan 2021 12:40:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 505F32339F for ; Wed, 13 Jan 2021 12:40:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726693AbhAMMkj (ORCPT ); Wed, 13 Jan 2021 07:40:39 -0500 Received: from mx1.emlix.com ([136.243.223.33]:34684 "EHLO mx1.emlix.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725747AbhAMMkj (ORCPT ); Wed, 13 Jan 2021 07:40:39 -0500 Received: from mailer.emlix.com (p5098be52.dip0.t-ipconnect.de [80.152.190.82]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.emlix.com (Postfix) with ESMTPS id 3E5D15FA09; Wed, 13 Jan 2021 13:39:57 +0100 (CET) From: Rolf Eike Beer To: linux-kernel@vger.kernel.org, Alistair Delva Cc: kernel-team@android.com, linux-kbuild@vger.kernel.org, Masahiro Yamada Subject: Re: [PATCH] kbuild: improve libelf detection Date: Wed, 13 Jan 2021 13:39:53 +0100 Message-ID: <1773849.ZV7lO1mt4u@devpool47> Organization: emlix GmbH In-Reply-To: <20210112190010.1582888-1-adelva@google.com> References: <20210112190010.1582888-1-adelva@google.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1932816.7BvnNAJlAO"; micalg="pgp-sha256"; protocol="application/pgp-signature" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --nextPart1932816.7BvnNAJlAO Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8"; protected-headers="v1" From: Rolf Eike Beer To: linux-kernel@vger.kernel.org, Alistair Delva Cc: kernel-team@android.com, linux-kbuild@vger.kernel.org, Masahiro Yamada Subject: Re: [PATCH] kbuild: improve libelf detection Date: Wed, 13 Jan 2021 13:39:53 +0100 Message-ID: <1773849.ZV7lO1mt4u@devpool47> Organization: emlix GmbH In-Reply-To: <20210112190010.1582888-1-adelva@google.com> References: <20210112190010.1582888-1-adelva@google.com> Am Dienstag, 12. Januar 2021, 20:00:10 CET schrieb Alistair Delva: > When `pkg-config --libs' wasn't used or didn't return anything useful, > the test for libelf would fail even if the headers and libraries were > available to kbuild via KBUILD_HOSTCFLAGS and KBUILD_HOSTLDFLAGS. >=20 > This makes the check in the core Makefile match the check that is done > in tools/objtool/Makefile. Specifically, the C compiler is passed the > full KBUILD_HOSTCFLAGS and KBUILD_HOSTLDFLAGS, which may have set up > additional sysroot/include/library search paths to find libelf. Sounds plausible. =2D-=20 Rolf Eike Beer, emlix GmbH, http://www.emlix.com =46on +49 551 30664-0, Fax +49 551 30664-11 Gothaer Platz 3, 37083 G=C3=B6ttingen, Germany Sitz der Gesellschaft: G=C3=B6ttingen, Amtsgericht G=C3=B6ttingen HR B 3160 Gesch=C3=A4ftsf=C3=BChrung: Heike Jordan, Dr. Uwe Kracke =E2=80=93 Ust-IdNr= =2E: DE 205 198 055 emlix - smart embedded open source --nextPart1932816.7BvnNAJlAO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iLMEAAEIAB0WIQQ/Uctzh31xzAxFCLur5FH7Xu2t/AUCX/7qGQAKCRCr5FH7Xu2t /Pt8A/9VXf5zZ6AIu08yd945F+E9KewLjbsziI+YZ6uQy8ZEhNNLCVz8KgM3l5dV fxsFt1v1/Hpg4iIiAYtU4i6PFkM3YsfSp+2tWJyAU8snM3iewOnkL7z4m09EAs4H jUZWATfm+DK+CBkAlS9UZd+Dr99AOw1kGvWkSEm6FdT0LNXHbw== =tr7/ -----END PGP SIGNATURE----- --nextPart1932816.7BvnNAJlAO--