Re: Git 2.18: RUNTIME_PREFIX... is it working?

[Junio C Hamano <gitster@pobox.com>]

Jeff King <peff@peff.net> writes:

> On Sun, Jul 08, 2018 at 11:52:22PM +0200, Johannes Schindelin wrote:
>
>> Now, if you care to have a look at Dan's (and my) patches to implement
>> RUNTIME_PREFIX so that it looks for a directory *relative to the Git
>> binary*, you will see that it is far from portable. In fact, it is very
>> definitely not portable, and needs specific support for *every single
>> supported Operating System*. And while we covered a lot, we did not cover
>> all of them.
>> 
>> So unfortunately, it is impossible to make it the default, I am afraid.
>
> Would it be reasonable to make RUNTIME_PREFIX the default on systems
> where we _do_ have that support? AFAIK there is no downside to having it
> enabled (minus a few syscalls to find the prefix, I suppose, but I
> assume that's negligible).
>
> I.e., a patch to config.mak.uname (and possibly better support for
> _disabling_ it, though I think "make RUNTIME_PREFIX=" would probably
> work).

I think that is a sensible approach.