From patchwork Mon Oct 3 01:52:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carl Eugen Hoyos X-Patchwork-Id: 842 Delivered-To: ffmpegpatchwork@gmail.com Received: by 10.103.140.66 with SMTP id o63csp1358729vsd; Sun, 2 Oct 2016 18:52:36 -0700 (PDT) X-Received: by 10.194.120.37 with SMTP id kz5mr14372944wjb.196.1475459556748; Sun, 02 Oct 2016 18:52:36 -0700 (PDT) Return-Path: Received: from ffbox0-bg.mplayerhq.hu (ffbox0-bg.ffmpeg.org. [79.124.17.100]) by mx.google.com with ESMTP id kp8si32339359wjc.257.2016.10.02.18.52.31; Sun, 02 Oct 2016 18:52:36 -0700 (PDT) Received-SPF: pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) client-ip=79.124.17.100; Authentication-Results: mx.google.com; dkim=neutral (body hash did not verify) header.i=@gmail.com; spf=pass (google.com: domain of ffmpeg-devel-bounces@ffmpeg.org designates 79.124.17.100 as permitted sender) smtp.mailfrom=ffmpeg-devel-bounces@ffmpeg.org; dmarc=fail (p=NONE dis=NONE) header.from=gmail.com Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTP id 49B1F689CAA; Mon, 3 Oct 2016 04:52:15 +0300 (EEST) X-Original-To: ffmpeg-devel@ffmpeg.org Delivered-To: ffmpeg-devel@ffmpeg.org Received: from mail-ua0-f196.google.com (mail-ua0-f196.google.com [209.85.217.196]) by ffbox0-bg.mplayerhq.hu (Postfix) with ESMTPS id B8C3C689A48 for ; Mon, 3 Oct 2016 04:52:07 +0300 (EEST) Received: by mail-ua0-f196.google.com with SMTP id 10so793009ual.1 for ; Sun, 02 Oct 2016 18:52:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=4vehfk1LZZIS9ZEuMVOz4+mLU/KWCTMG+psARICojeU=; b=MyZFJ2x1Am9t99D18Qy0itNwyv827GOOb048UGhWE2JaBS+thqPzXgymHIRNmlWZyK HDl4tZ9a8HWlPQHOIEzZ8K9IMp/Lph0OCGNHH5zzFh7CbI2e/73soldPtk7eFyJbpMqQ n9JGelVVpeb8nwculj6O4CAtuisTrvoc8YWo3I8ZaDNdXWr9Vm+hraKljmPidVba0iHe sKzVvx2s8ZzsbD382nyT0pwjJhu2Zbg3Y0KkESjh4fk8dCrZ550uWQu5s/oRiX0xEW05 AAyfYrqfuFUZwf6lnvrPHjk8Mb4cNTrMHfqItAzYu228Y9ZnLfr/lCUvvJRgYHBuKG9f f7xA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=4vehfk1LZZIS9ZEuMVOz4+mLU/KWCTMG+psARICojeU=; b=IfjK/3OBpGG7RFRQ5YI9YHM1G6CALCEnfDW7ME5Rf4nts1gB7DvLhvj4SlJ1owEIUd JhJpk05CDH/mbP7/wW7FaPIYzVMVMvrWp1cKj6ZLzp8B3jtfsDP+bzPFr2Tjxu4E/LGY 7yGoOQ8UzGbiAxtj1QGi7AwQlVadm1gfC3yU73KmouNTR2g11SONeFC6mSPeaVKaU/sr JwZ5f8JvTusIs7+e7AIKv26xC8kdgjKLUlStKqXm2ft9xfuBsfoQ7LZQK+MeiBzE94Ju sRkKmvHpFLxBwibrGVaEJGrLvr1fQVWVRhLQO1aTCuyXRxxYm7H4Vp1cwSh9ewdixGm7 EvRw== X-Gm-Message-State: AA6/9RlUxKPxd8An/MtPBPZis/zkn1qIsnQsHIh7gTLoZoastvxAOog8HV8vwVS970lMkE4XoRiVhgN85DzSqA== X-Received: by 10.176.0.40 with SMTP id 37mr7474815uai.133.1475459540311; Sun, 02 Oct 2016 18:52:20 -0700 (PDT) MIME-Version: 1.0 Received: by 10.103.46.67 with HTTP; Sun, 2 Oct 2016 18:52:19 -0700 (PDT) In-Reply-To: <20161003025758.7a494750@debian> References: <201610030151.25089.cehoyos@ag.or.at> <20161003025758.7a494750@debian> From: Carl Eugen Hoyos Date: Mon, 3 Oct 2016 03:52:19 +0200 Message-ID: To: FFmpeg development discussions and patches Subject: Re: [FFmpeg-devel] [PATCH]doc/platform: Mention musl where x86_32 is not supported X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" 2016-10-03 2:57 GMT+02:00 wm4 : >> +Do not compile FFmpeg with musl on x86_32, random >> crashes have to be expected. > You could mention that this is due to FFmpeg violating the > ABI (apparently). New patch attached. Carl Eugen From 008248a202e9eb6c1f946467a6fd45825a82a92a Mon Sep 17 00:00:00 2001 From: Carl Eugen Hoyos Date: Mon, 3 Oct 2016 03:50:29 +0200 Subject: [PATCH] doc/platform: Mention musl where x86_32 is not supported. --- doc/platform.texi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/doc/platform.texi b/doc/platform.texi index 21b135f..5c252ac 100644 --- a/doc/platform.texi +++ b/doc/platform.texi @@ -77,6 +77,14 @@ optimized assembly functions. @uref{http://www.finkproject.org/, Fink}, @uref{https://mxcl.github.com/homebrew/, Homebrew} or @uref{http://www.macports.org, MacPorts} can easily provide it. +@section musl + +Compilation with @uref{http://www.musl-libc.org/, musl} on x86-64 is supposed +to work out-of-the-box. +Do not compile FFmpeg with musl on x86_32 with assembler optimizations, random +crashes have to be expected because FFmpeg does not always clear the fpu state +as required by POSIX. + @chapter DOS -- 1.7.10.4