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.