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Tue, 3 Nov 2020 10:07:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ashroe.eu; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:Cc:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=rAF0aMFJLDq87BDHV37ZZurUzKcpDPgAli2X1gNOpxM=; b=Du9dSVXLbCkOEIi6vULH3Yfevb 9ghKGRRMnj+P/6zejpB6zPrBU4qI897IQVxHv4Ze1vmTi6iUOGBOGd3jQrsWAFUHX6goabPhWyJHD paY5ZRBon6P9mGo2rbJZIY5lTbdIQ/Aqf3bVZ7J2FuiAln3L5EM7Q37M1M/RV+U7jPmZ80ppGIv5D rxaEaeFRVBKu418+RhVI+eWcM9zycO9kswGCS1L4B1Zq828ExiBsWfSj5yIUV8Rt529Z1IvuGnG6O ljYwdUsF+lCFZnS/rosfEkdA4CUJNW8T3iZMyTSnViR82Z8FKT7OUcoIsuJuQlftROic5PKyJwBPq EC7ITX+w==; To: David Marchand Cc: "Walsh, Conor" , dpdk-dev , Luca Boccassi , Dodji Seketeli , "Mcnamara, John" References: <20201014104126.469517-1-conor.walsh@intel.com> <7206c209-ed4a-2aeb-12d8-ee162ef92596@ashroe.eu> From: "Kinsella, Ray" Autocrypt: addr=mdr@ashroe.eu; 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WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-AuthUser: mdr@ashroe.eu Subject: Re: [dpdk-dev] [PATCH v7 0/4] devtools: abi breakage checks X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Hi David, Came across an issue with this. Essentially what is happening is that an ABI dump file generated with a newer versions of libabigail is not guaranteed to be 100% compatible with a older versions. That then adds a wrinkle that we need may need to look at maintaining abi dump archives per distro release, or libabigail version depending on how you look at it. An alter approach suggested by Dodi would be to just archive the binaries somewhere instead, and regenerate the dumps at build time. That _may_ be feasible, but you lose some of the benefit (build time saving) compared to archiving the abi dumps. The most sensible approach to archiving the binaries. is to use DPDK release os packaging for this, installed to a fs sandbox. So the next steps are figuring out, which is the better option between maintaining multiple abi dump archives, one per supported os distro. or looking at what needs to happen with DPDK os packaging. So some work still to do here. Thanks, Ray K