Re: improved parallel make support

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: improved parallel make support
Date: 2010-11-03 14:42:12
Message-ID: 6073.1288795332@sss.pgh.pa.us
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Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> On tis, 2010-11-02 at 10:21 -0400, Tom Lane wrote:
>> Do we have a handle on how many buildfarm members this will break?

> I suppose we don't. One way to find out would be to commit just this
> bit

> +# We need the $(eval) function, which is available in GNU make 3.80.
> +# That also happens to be the version where the .VARIABLES variable
> +# was introduced, so this is a simple check.
> +ifndef .VARIABLES
> +$(error GNU make 3.80 or newer is required)
> +endif

> with a $(warning) instead, and let it run for a bit.

+1

regards, tom lane

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