Date: Sun, 29 Jan 2017 22:28:55 -0800
From: Andres Freund <andres@anarazel.de>
To: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>,
	Craig Ringer <craig.ringer@2ndquadrant.com>,
	Yuriy Zhuravlev <stalkerg@gmail.com>,
	Michael Paquier <michael.paquier@gmail.com>,
	PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Subject: Re: WIP: About CMake v2
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On 2017-01-27 22:20:41 -0500, Peter Eisentraut wrote:
> On 1/27/17 6:11 PM, Andres Freund wrote:
> > On 2017-01-27 09:09:36 -0500, Peter Eisentraut wrote:
> >> My preferred scenario would be to replace the Windows build system by
> >> this first, then refine it, then get rid of Autoconf.
> >>
> >> The ideal timeline would be to have a ready patch to commit early in a
> >> development cycle, then get rid of the Windows build system by the end
> >> of it.  Naturally, this would need buy-in from Windows developers.
> >>
> >> I don't foresee replacing the Autoconf build system by this immediately.
> > 
> > I'm very strongly against this path, it seems way too likely that we'll
> > end up with yet another fragile thing that nobody from the *nix side
> > will be able to test.
> 
> That's a fair concern, but at least with CMake, someone from the *nix
> side *can* test it, whereas right now it's completely separate.

Given that fact, I just don't buy why it's a good idea to not also
replace autoconf initially.  Either we're able to properly test it -
i.e. it runs all tests - on *nix or we're not.  There's not a a whole of
effort between those if you also want to do the windows side of things
properly.


> What kind of strategy do you have in mind?

Do all of it. I'm unconvinced that a windows only version buys us
meaningful savings, and I think the dangers of adding more duplication
(msvc stuff after all gets some information from the makefiles) and
long-term coexistence are quite severe.


Greetings,

Andres Freund


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