Re: [HACKERS] --enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex)

2015-12-30 Thread Tom Lane 
Greg Stark  writes:
> Alternately the buildfarm could be changed to retain earlier builds and use
> dependencies to reduce build times. This would have the benefit of
> detecting dependency failures. At the expense of a lot more noise, at least
> until we Orrin out whatever dependency failures are there now.

The buildfarm already made its choice in this area, and that's ccache.
Layering --enable-depend on top of builds that are using ccache is
simply a waste.

(Admittedly, ccache is gcc-specific, but TTBOTMK so is --enable-depend.)

regards, tom lane


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Re: [HACKERS] --enable-depend by default (was Re: Patch: fix lock contention for HASHHDR.mutex)

2015-12-30 Thread Andres Freund 
On 2015-12-30 11:13:31 -0500, Tom Lane wrote:
> The buildfarm already made its choice in this area, and that's ccache.
> Layering --enable-depend on top of builds that are using ccache is
> simply a waste.
> 
> (Admittedly, ccache is gcc-specific, but TTBOTMK so is --enable-depend.)

For posterities sake: clang supports the dependency stuff by default,
it's harder but doable to get clang running with ccache.


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