From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by dpdk.org (Postfix) with ESMTP id 34C275958 for ; Tue, 24 Nov 2015 16:22:40 +0100 (CET) Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (Postfix) with ESMTPS id 70D3CC10044B; Tue, 24 Nov 2015 15:22:39 +0000 (UTC) Received: from sopuli.koti.laiskiainen.org (vpn1-4-117.ams2.redhat.com [10.36.4.117]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id tAOFMbAF028839; Tue, 24 Nov 2015 10:22:38 -0500 To: Sergio Gonzalez Monroy References: <56546CAE.8050401@redhat.com> <56547837.5080803@intel.com> From: Panu Matilainen Message-ID: <565480BD.7060305@redhat.com> Date: Tue, 24 Nov 2015 17:22:37 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <56547837.5080803@intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 Cc: dev@dpdk.org Subject: Re: [dpdk-dev] Can't compile DPDK if both CONFIG_RTE_BUILD_COMBINE_LIBS and LIBRTE_PMD_XENVIRT are set to "yes" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Nov 2015 15:22:40 -0000 On 11/24/2015 04:46 PM, Sergio Gonzalez Monroy wrote: > On 24/11/2015 13:57, Panu Matilainen wrote: >> On 11/23/2015 08:37 PM, Martinx - ジェームズ wrote: >>> Hello! >>> >>> My name is Thiago, I'm trying to compile DPDK 2.0, 2.1 and/or 2.2-rc1, >>> on Ubuntu with Xen support but, it does not build... >>> >>> Also, initially, I'm using DPDK sources from Ubuntu APT repository >>> but, it is also reproducible using upstream DPDK tarball as well, >>> explained as follows: >>> >>> Problem: >>> >>> * It is not possible to use the following DPDK options at the same time: >>> >>> CONFIG_RTE_BUILD_COMBINE_LIBS >>> LIBRTE_PMD_XENVIRT >>> >>> Ubuntu DPDK .deb package uses CONFIG_RTE_BUILD_COMBINE_LIBS and, >>> without it, it can't build its .deb binary package (step: "make -f >>> debian/rules binary" doesn't work). >>> >>> So, if you have the above two options set to "yes", the following >>> error appear while building DPDK: >>> >>> http://pastebin.com/xUsQPxh8 >>> >> [...] >>> Build error: >>> >>> http://pastebin.com/fuUkpF4w >>> >>> If you remove "CONFIG_RTE_BUILD_COMBINE_LIBS", then, you can build it >>> with "LIBRTE_PMD_XENVIRT", and vice-versa. But, without >>> "...COMBINE_LIBS", Ubuntu .deb package doesn't get builded. >>> >>> BTW, the option LIBRTE_XEN_DOM0 is fine when also enabling >>> COMBINE_LIBS... >>> >>> Am I missing something? Is this by design or a DPDK bug? >> >> DPDK bug I would say. The combined library has been increasingly in >> risk of collapsing under its own weight for some time now. >> >> A much better way of achieving the same is using a so called linker >> script which is essentially just an ascii file listing all the >> individual libraries which the linker handles behind the scenes. >> FWIW, that's how the combined library is packaged on Fedora and RHEL >> and consumers like OVS and pktgen never knew the difference. >> >> The linker script approach has been suggested before but somehow the >> threads died without nothing actually happening. I'll revive the patch >> and post here shortly. Unless Sergio (cc'd) who previously worked on >> the patches has a newer version cooking silently? >> > I haven't worked on it since, so you probably are in a better position > to continue the work than me. Ok, I suspected as much but thanks for confirming. I'll continue the work as time permits. - Panu -