From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8454 invoked by alias); 28 Mar 2006 23:13:21 -0000 Received: (qmail 8445 invoked by uid 22791); 28 Mar 2006 23:13:20 -0000 X-Spam-Check-By: sourceware.org Received: from ns.suse.de (HELO mx1.suse.de) (195.135.220.2) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 28 Mar 2006 23:13:18 +0000 Received: from Relay1.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.suse.de (Postfix) with ESMTP id 002FFEAD6; Wed, 29 Mar 2006 01:13:15 +0200 (CEST) From: Andreas Schwab To: Randolph Chung Cc: gdb-patches@sources.redhat.com Subject: Re: [patch] Compile fix for 64-bit HPUX References: <44264D9D.5070305@tausq.org> <20060328221249.GD10392@nevyn.them.org> X-Yow: All I can think of is a platter of organic PRUNE CRISPS being trampled by an army of swarthy, Italian LOUNGE SINGERS... Date: Wed, 29 Mar 2006 00:18:00 -0000 In-Reply-To: <20060328221249.GD10392@nevyn.them.org> (Daniel Jacobowitz's message of "Tue, 28 Mar 2006 17:12:49 -0500") Message-ID: User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-IsSubscribed: yes Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2006-03/txt/msg00333.txt.bz2 Daniel Jacobowitz writes: >> + oldcflags="${CFLAGS-}" > > What's ${foo-}? I don't see it in my bash or dash docs. In (bash)Shell Parameter Expansion, the paragraph before the table: When not performing substring expansion, Bash tests for a parameter that is unset or null; omitting the colon results in a test only for a ^^^^^^^^^^^^^^^^^^ parameter that is unset. Andreas. -- Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany PGP key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."