From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Monjalon Subject: Re: [PATCH v8 6/6] build: use dependency for pcap and fallback to find_library Date: Wed, 27 Feb 2019 11:56:33 +0100 Message-ID: <3452725.6pELxiebTM@xps> References: <20190103175725.5836-1-bluca@debian.org> <20190227094746.GA91912@bricha3-MOBL.ger.corp.intel.com> <30cb42a8b2e0f0de063bc783fef8e4a4d86dbc52.camel@debian.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Cc: Bruce Richardson , dev@dpdk.org To: Luca Boccassi Return-path: Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by dpdk.org (Postfix) with ESMTP id 2AB134C74 for ; Wed, 27 Feb 2019 11:56:37 +0100 (CET) In-Reply-To: <30cb42a8b2e0f0de063bc783fef8e4a4d86dbc52.camel@debian.org> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 27/02/2019 11:50, Luca Boccassi: > On Wed, 2019-02-27 at 09:47 +0000, Bruce Richardson wrote: > > On Wed, Feb 27, 2019 at 09:33:12AM +0100, Thomas Monjalon wrote: > > > 26/02/2019 18:49, Luca Boccassi: > > > > On Tue, 2019-02-26 at 17:46 +0000, luca.boccassi@gmail.com wrote: > > > > > From: Luca Boccassi > > > > > > > > > > pcap has historically shipped a custom pcap-config binary tool > > > > > which > > > > > does the job of pkg-config. It was never compatible with cross > > > > > compilation. > > > > > Meson uses it when using dependency(), which then means cross > > > > > compilation fails. > > > > > Set pcap-config to empty in the meson cross compilation files > > > > > so > > > > > that Meson will not use it, and add a fallback in case > > > > > dependency() fails. > > > > > libpcap 1.9.0 finally ships a pkg-config file so everything > > > > > will > > > > > work out of the box in the future. > > > > > > > > > > Signed-off-by: Luca Boccassi > > > > > --- > > > > > v8: added back pcap change separately. Tested with bootlin > > > > > cross-compilation toolchain, everything seems to work. > > > > > > > > I had some time to invest so I added back this change, in a way > > > > that > > > > works with cross compilation too. Given the series wasn't merged > > > > yet > > > > and there was a conflict I've done a v8 rather than a single > > > > separate > > > > patch, but it's independent from the rest. > > > > > > > > More testing is of course welcome! > > > > > > I still see the same error when cross-compiling: > > > > > > /usr/include/stdint.h:109: error: "__INT64_C" redefined > > > > > Can patches 1-5 be merged anyway, leaving 6 for later? > > > > /Bruce > > Yes please... Yes, sure. I am checking other patches to push them. > Thomas, could you please give me detailed instructions on how to repro? > I used the bootlin toolchain you linked me last time, and passed -- > cross-file config/arm/arm64_armv8_linuxapp_gcc to Meson, and everything > built fine both with and without an arm64 build of libpcap in the > sysroot. With the previous version that I removed it would fail. Not > sure what I'm missing! I'm running devtools/test-meson-builds.sh on my ArchLinux which has aarch64-linux-gnu-gcc 8.2.0 but no arm pcap I guess.