From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:38631) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SE1Ro-0007Dj-3S for qemu-devel@nongnu.org; Sat, 31 Mar 2012 12:46:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SE1Rl-0006ZD-Ft for qemu-devel@nongnu.org; Sat, 31 Mar 2012 12:46:39 -0400 Received: from mo-p00-ob.rzone.de ([81.169.146.160]:32880) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SE1Rl-0006Yc-6I for qemu-devel@nongnu.org; Sat, 31 Mar 2012 12:46:37 -0400 Date: Sat, 31 Mar 2012 18:46:27 +0200 From: Olaf Hering Message-ID: <20120331164627.GA23873@aepfle.de> References: <20120330152436.GA31016@aepfle.de> <4F772590.2000603@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4F772590.2000603@suse.de> Subject: Re: [Qemu-devel] [PATCH] qemu/configure: fix CFLAGS handling for i386 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Andreas =?utf-8?Q?F=C3=A4rber?= Cc: xen-devel@lists.xensource.com, Erik Blake , qemu-devel@nongnu.org On Sat, Mar 31, Andreas Färber wrote: > This is the only usage of += outside Makefile fragments, so I wonder if > its use may have been by accident. Is it safe in a POSIX context? > Or should we better use CFLAGS="$CFLAGS -march=486"? Now that I look at the shebang, configure is a sh script and += is most likely a bash feature. So your suggestion for the assignment is correct. Olaf