From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v2] devtools: add test script for meson builds Date: Tue, 29 May 2018 12:38:14 +0200 Message-ID: <3902265.nh2GMnEBpQ@xps> References: <20180424123255.204330-1-bruce.richardson@intel.com> <1832507.I1aXYWBlau@xps> <20180528132023.GB8752@bricha3-MOBL.ger.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: dev@dpdk.org To: Bruce Richardson Return-path: Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by dpdk.org (Postfix) with ESMTP id 29543200 for ; Tue, 29 May 2018 12:38:16 +0200 (CEST) In-Reply-To: <20180528132023.GB8752@bricha3-MOBL.ger.corp.intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 28/05/2018 15:20, Bruce Richardson: > On Mon, May 28, 2018 at 12:26:24PM +0200, Thomas Monjalon wrote: > > 28/05/2018 11:33, Bruce Richardson: > > > On Sat, May 26, 2018 at 11:32:53AM +0200, Thomas Monjalon wrote: > > > > 25/05/2018 17:18, Bruce Richardson: > > > > > On Fri, May 25, 2018 at 04:51:58PM +0200, Thomas Monjalon wrote: > > > > > > +load_config () +{ + reset_env + . $(dirname $(readlink -e > > > > > > $0))/load-devel-config + MESON=${MESON:-meson} +} > > > > > Why does this need to be done each time? > > > > > > > > Because the config could be different for each build (see above). > > > > > > > How would it be different, it's the same command called with the same > > > environment each time? > > > > No, the idea is to adapt the environment to the build target. As an > > example, the dependencies can be different for 32-bit and 64-bit. > > > I would hope that dependency detection should solve that, but since you > already have support for that in existing build script via environment > vars, I have no objection to leveraging that in the meson scripts. Overall, > though, I'd prefer to ensure that the detection works so that everyone only > needs one environment setup in order to get all builds working > simultaneously. The dependency detection cannot work if I have dependencies in uncommon directories. I think it is important to allow testing compilation with dependencies which are available but not installed, by providing paths.