From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bruce Richardson Subject: Re: [PATCH] test-meson-builds: add 32-bit compilation test Date: Mon, 17 Sep 2018 16:17:16 +0100 Message-ID: <20180917151716.GA16172@bricha3-MOBL.ger.corp.intel.com> References: <20180829160252.7890-1-bruce.richardson@intel.com> <4200777.W2uOughg41@xps> <20180917125402.GA3464@bricha3-MOBL.ger.corp.intel.com> <2047675.hNTm73f6kF@xps> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: dev@dpdk.org To: Thomas Monjalon Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id AA67F5B1E for ; Mon, 17 Sep 2018 17:17:32 +0200 (CEST) Content-Disposition: inline In-Reply-To: <2047675.hNTm73f6kF@xps> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Sep 17, 2018 at 03:38:58PM +0200, Thomas Monjalon wrote: > 17/09/2018 14:54, Bruce Richardson: > > On Mon, Sep 17, 2018 at 02:03:50PM +0200, Thomas Monjalon wrote: > > > 29/08/2018 18:02, Bruce Richardson: > > > > Add in a cross-file to enable 32-bit compile tests as part > > > > of the test-meson-builds script. > > > > > > > > Signed-off-by: Bruce Richardson > > > > --- > > > > NOTE: For ease of use, it's recommended that meson 0.47 be used for > > > > this testing. With earlier versions, it may be necessary to ensure that > > > > the same development packages are installed for both 64-bit and 32-bit. > > > > --- > > > > config/x86/i686_sse4_linuxapp_gcc | 18 ++++++++++++++++++ > > > > devtools/test-meson-builds.sh | 4 ++++ > > > > 2 files changed, 22 insertions(+) > > > > > > I'm not sure about adding this test as mandatory, because 32-bit version > > > of libraries can be hard to get, especially libbsd and libnuma. > > > I hope this test will be run by all developers, so we should not discourage > > > them by adding too many requirements. > > > Opinion? Idea? > > > > Libbsd is not required, but yes, libnuma is, so you do need a 32-bit > > libnuma (devel) installed to run this test. I would expect that to be > > available on most distros though. I'm open to suggestions as to how to make > > this optional, but I do think that sanity checking 32-bit is good practice > > to avoid errors, e.g. those wonderful printf format strings for uint64_t.* > > I agree and I am testing i686 with the "make build system". > I define DPDK_DEP_NUMA=n which disables any NUMA option. > Can we have this kind of tweak with meson? > > Or perhaps we can just have an option in the script to disable this test? > Actually, do you see build failures with 32-bit without the numa or BSD libraries? I removed 32-bit versions of both dev packages and everything still compiles? The setting of the appropriate defines is based on detected libraries. /Bruce