[LLVMdev] [RFC] Raise minimum required CMake version to 3.0

[Daniel Sanders]

> -----Original Message-----
> From: Renato Golin [mailto:renato.golin at linaro.org]
> Sent: 11 March 2015 14:33
> To: Daniel Sanders
> Cc: Chandler Carruth; jroelofs; LLVM Dev; Tobias Grosser
> Subject: Re: [LLVMdev] [RFC] Raise minimum required CMake version to 3.0
> 
> On 11 March 2015 at 14:07, Daniel Sanders <Daniel.Sanders at imgtec.com>
> wrote:
> >> 3. Ninja "pool = console" would fix the timeout issues on slow builds,
> >> but it's not clear how CMake would do that by default
> >
> > I'm not sure I understand the second part of that statement. As far as I
> know, all we have to do is add USES_TERMINAL to the appropriate targets
> and this change was made in r222181. At this point having CMake >= 3.2 and
> Ninja >= 1.5 should be enough to make this work.
> 
> Ok, but CMake 3.2 is *too* new. I'm ok with supporting this on my
> bots, to fix them properly, but that's not something I'd like to
> impose on everyone.
> 
> Thanks for the explanation.
> 
> cheers,
> --renato

I agree that it's too new to make it the minimum version. It's just a feature you'll get if CMake is new enough and will gracefully handle older CMake's.