On Thu, Aug 29, 2019 at 01:04:07PM +0200, Marc Espie wrote:
> After some musings, I realized I just had to reorder a few things to
> make MAKEOBJDIR way more powerful (and possibly useful)
>
> The idea here is to init vars early, which is easy, and to set up
> .CURDIR, MACHINE, MACHINE_ARCH, MACHINE_CPU, so that
> MAKEOBJDIR can actually become a full-blown make expression.
>
> e.g., with this something like
>
> MAKEOBJDIR='${.CURDIR}:S/src/obj/}'
>
> will work.
>
> any takers ?

I did a make regress without problems.

Although I have no use for the feature, why not.

OK bluhm@

> -     if ((path = getenv("MAKEOBJDIR")) == NULL) {
> +     Var_Set(".CURDIR", d->current);
> +     if ((path = getenv("MAKEOBJDIR")) == NULL)
>               path = _PATH_OBJDIR;
> -     }
> +             /* if there's a $ in there, allow substitution */
> +     else if (strchr(path, '$'))

I would keep the { } around the if block.  Technically not neccessary
as one of the two lines is a comment, but it looks odd anyway.

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