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" <laguest@archeia.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada on Apple's new procesors
Date: Wed, 24 Jun 2020 21:06:59 +0100
Organization: Aioe.org NNTP Server
Message-ID: <rd0bql$1uuk$1@gioia.aioe.org>
References: <4d9fa282-830d-42f7-a3bf-ba127cb2ad06o@googlegroups.com>
 <rcsmel$sdb$1@gioia.aioe.org>
 <8332f305-299f-45d7-9f9d-2cad924b24d8o@googlegroups.com>
 <lyo8p8ff2n.fsf@pushface.org>
NNTP-Posting-Host: jFK6OqqKW5bkmQ4H/i1UAQ.user.gioia.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit
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:59213
List-Id: <comp.lang.ada>

On 24/06/2020 20:18, Simon Wright wrote:
> Optikos <ZUERCHER_Andreas@outlook.com> writes:
> 
>> Without paying a hefty proprietary-licensing fee to AdaCore, isn't
>> GNAT-LLVM distributed only under pure GPLv3 without the Runtime
>> Library Exception (RLE)?  Wouldn't that mean that GNAT-LLVM on MacOS
>> (and iOS) can be utilized by software distributed under GPL-compatible
>> licenses, lest that software violate terms of GPLv3?
> 
> GCC itself is distributed under pure GPLv3, and the RLE[1] is irrelevant
> to that distribution.

FSF GNAT is GPLv3 with linking exception. CE GNAT is pure GPLv3.

> But!
> 
> (a) if you look at the LLVM license[2], you will see at the top that
> it's the Apache License v2.0 (with some irrelevant extensions);
> 
> (b) in [3] & [4], the Apache License v2.0 is listed as GPLv3-compatible.

This is what I was getting at, but I don't really know what would happen
re licences if GPLv3 LE FSF GNAT is linked to the GPLv3 GNAT-LLVM
binding and I've always have not been sure, I've mentioned this before
on a number of platforms.