[llvm-dev] unable to compile llvm with gcc 4.7.4

[Martin J. O'Riordan via llvm-dev]

Why is it more important to be backward compatible with ancient versions of GCC than relatively more recent versions of Visual Studio?  We are removing support for VS2013 because of defects in that product, yet GCC v4.7.x is more ancient than VS2013, so why should the answer be any different?

Devil's Advocate,

	MartinO

-----Original Message-----
From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of Renato Golin via llvm-dev
Sent: 11 October 2016 18:01
To: Sylvain Bertrand <sylvain.bertrand at gmail.com>
Cc: llvm-dev <llvm-dev at lists.llvm.org>; Peter Collingbourne <pcc at google.com>
Subject: Re: [llvm-dev] unable to compile llvm with gcc 4.7.4

On 11 October 2016 at 17:35,  <sylvain.bertrand at gmail.com> wrote:
> Those bots should have been the first to be set up. Hope you can fix this soon.

We had 4.7 bots for a long time, but migrations happen, and we probably (separately) didn't expect to be the last 4.7 ones. This was a coordination problem.

Now, there are talks to upgrade the GCC version from 4.7, but we can't do 4.9 because many stable distributions still 4.8, but we can do 4.8, which has enough buildbots (and will for the long term).

I'm not saying this is a "fix" for your problem, but your problem would happen any time soon when we move the GCC version up anyway.

Can you upgrade to 4.8?

cheers,
--renato
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