From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33239) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WkCsH-000063-P7 for qemu-devel@nongnu.org; Tue, 13 May 2014 09:36:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WkCsC-0005qZ-BE for qemu-devel@nongnu.org; Tue, 13 May 2014 09:36:05 -0400 Received: from mx-v6.kamp.de ([2a02:248:0:51::16]:57324 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WkCsC-0005qO-1D for qemu-devel@nongnu.org; Tue, 13 May 2014 09:36:00 -0400 Message-ID: <53721FB3.8020407@kamp.de> Date: Tue, 13 May 2014 15:35:47 +0200 From: Peter Lieven MIME-Version: 1.0 References: <1399813620-26668-1-git-send-email-mjt@msgid.tls.msk.ru> <53721867.5080404@kamp.de> <20140513131909.GA28745@T430.nay.redhat.com> In-Reply-To: <20140513131909.GA28745@T430.nay.redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] block/nfs: use per-object vars and make it modular List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Fam Zheng Cc: Michael Tokarev , qemu-devel@nongnu.org On 13.05.2014 15:19, Fam Zheng wrote: > On Tue, 05/13 15:04, Peter Lieven wrote: >> On 11.05.2014 15:07, Michael Tokarev wrote: >>> nfs block module uses libnfs and uses pkg-config to determine >>> its build information. Somehow it used only --libs, not --cflags, >>> and added those libs into global $LIBS, instead of using per-object >>> variable. >> the missing cflags stuff was due to a bug in the libnfs.pc file. >> >> https://github.com/sahlberg/libnfs/commit/d47c989d886e5398143d43d3b6d25fdf7210cb11 >> >> as there where no special flags I dropped it. this was before we realized >> that we had to depend on a newer libnfs version anyway. thanks for spotting this. >> >>> Use both --libs and --cflags, use them as per-object variable, >>> and finally make block/nfs.o to be modular. >> can you explain the modular stuff? > As what is possible with iscsi, gluster and curl now, with this change nfs.o is > possible to be built to a separate block-nfs.so, if configured as > --enable-modules, and loaded on program start. Aah okay. This is something new and not something I did wrong when the patch was submitted? Peter