From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on ip-172-31-74-118.ec2.internal X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!feeder.eternal-september.org!aioe.org!.POSTED.jFK6OqqKW5bkmQ4H/i1UAQ.user.gioia.aioe.org!not-for-mail From: "Luke A. Guest" Newsgroups: comp.lang.ada Subject: Re: Ada on Apple's new procesors Date: Thu, 25 Jun 2020 12:25:59 +0100 Organization: Aioe.org NNTP Server Message-ID: References: <4d9fa282-830d-42f7-a3bf-ba127cb2ad06o@googlegroups.com> <8332f305-299f-45d7-9f9d-2cad924b24d8o@googlegroups.com> <9d941aca-2eb6-4f35-a346-c290c4666bdfo@googlegroups.com> <76def2a5-667c-4009-b3b9-f0cf1c13a51bo@googlegroups.com> NNTP-Posting-Host: jFK6OqqKW5bkmQ4H/i1UAQ.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Complaints-To: abuse@aioe.org User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 X-Notice: Filtered by postfilter v. 0.9.2 Content-Language: en-GB Xref: reader01.eternal-september.org comp.lang.ada:59226 List-Id: On 25/06/2020 12:03, Simon Wright wrote: >> It does not and in any case, invoking this clause is a red herring >> since as explained in the license, the concern and what's not allowed >> is using an intermediate representation and feed it to a proprietary >> (non-GPL-compatible) software to e.g. optimize it or further process >> it. > > Optikos has (at last) made clear his concerns about this: if it is > indeed the case that Apple require App Store developers to deliver > bitcode for further proprietary optimizations then there might be an > issue. > > Depends on whether LLVM IR (which I understand is logically equivalent > to bitcode) can count as target code? I've seen it described as LLVM > assembler ... > Indeed. The only thing I've found so far is this: https://thenextweb.com/apple/2015/06/17/apples-biggest-developer-news-at-wwdc-that-nobodys-talking-about-bitcode/ Quote from near the top: 'This means that apps can automatically “take advantage of new processor capabilities we might be adding in the future, without you re-submitting to the store.”' >From the apple docs it links to at the top: "Bitcode is an intermediate representation of a compiled program. Apps you upload to App Store Connect that contain bitcode will be compiled and linked on the App Store. Including bitcode will allow Apple to re-optimize your app binary in the future without the need to submit a new version of your app to the App Store. " So, looks like he's right.