From patchwork Wed Oct 4 15:53:12 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Jackson X-Patchwork-Id: 9985015 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6371F6028E for ; Wed, 4 Oct 2017 15:58:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5643E28B49 for ; Wed, 4 Oct 2017 15:58:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B25128B4B; Wed, 4 Oct 2017 15:58:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C5B5B28B49 for ; Wed, 4 Oct 2017 15:58:55 +0000 (UTC) Received: from localhost ([::1]:35789 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzm4U-00080s-U1 for patchwork-qemu-devel@patchwork.kernel.org; Wed, 04 Oct 2017 11:58:54 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41814) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dzlzB-00047m-Pw for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:53:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dzlzA-0006xL-Vo for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:53:25 -0400 Received: from smtp.citrix.com ([66.165.176.89]:37067) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1dzlzA-0006rl-Oo for qemu-devel@nongnu.org; Wed, 04 Oct 2017 11:53:24 -0400 X-IronPort-AV: E=Sophos;i="5.42,477,1500940800"; d="scan'208";a="442505291" From: Ian Jackson To: Date: Wed, 4 Oct 2017 16:53:12 +0100 Message-ID: <1507132392-25051-9-git-send-email-ian.jackson@eu.citrix.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1507132392-25051-1-git-send-email-ian.jackson@eu.citrix.com> References: <1507132392-25051-1-git-send-email-ian.jackson@eu.citrix.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 66.165.176.89 Subject: [Qemu-devel] [PATCH 8/8] RFC configure: do_compiler: Dump some extra info under bash X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , Stefano Stabellini , Ian Jackson , Ross Lagerwall , =Anthony PERARD , xen-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This makes it much easier to find a particular thing in config.log. The information may be lacking in other shells, resulting in harmless empty output. (This is why we don't use the proper ${FUNCNAME[*]} array syntax - other shells will choke on that.) The extra output is only printed if configure is run with bash. The something), it is necessary to say bash ./configure to get the extra debug info in the log. Signed-off-by: Ian Jackson --- configure | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/configure b/configure index 6f691df..21a2b15 100755 --- a/configure +++ b/configure @@ -60,6 +60,10 @@ do_compiler() { # is compiler binary to execute. local compiler="$1" shift + echo >>config.log " +funcs: ${FUNCNAME} +lines: ${BASH_LINENO} +files: ${BASH_SOURCE}" echo $compiler "$@" >> config.log $compiler "$@" >> config.log 2>&1 || return $? # Test passed. If this is an --enable-werror build, rerun