[PATCH 1/3] Factor out jobserver_active_p.

[Richard Biener]

On Wed, Aug 10, 2022 at 11:30 AM Martin Liška <mliska@suse.cz> wrote:
>
> On 8/10/22 09:47, Richard Biener wrote:
> > On Wed, Aug 10, 2022 at 9:17 AM Martin Liška <mliska@suse.cz> wrote:
> >>
> >> On 8/10/22 08:56, Richard Biener wrote:
> >>> C++ standard library includes have to go through system.h (#define
> >>> INCLUDE_STRING).
> >>
> >> Oh, yeah. That means I need to rely on the flat header files :/
> >>
> >>>
> >>> Does the API really have to use std::string?
> >>
> >> I would like to. My main motivation is std::string::rfind function that
> >> has no C equivalent (would be rstrstr).
> >
> > The old code happily uses strstr though, not worrying about
> > finding the last instance of --jobserver-auth?
>
> Yes, sorry, I forgot to mention that, it's something I was notified by the GNU make
> developer here: https://savannah.gnu.org/bugs/index.php?57242#comment13
>
> >
> > Anyway, I'm not going to insist - I just noticed the actual
> > users use .c_str on the error message and adjusting the
> > environment for a not working jobserver is done
> > inconsistently.  Since I'm coming from C I was more
> > expecting sth like
> >
> >  bool jobserver_active = probe_jobserver (true /* diagnose */);
>
> Well, the main problem is that I need to "extra" a bunch of information
> when parsing the env variable (and each consumer needs something else,
> so that's why the jobserver_info members). It was very ugly having all
> these return values being given as params (of pointer type).

Yeah, fair enough.

> Martin
>
> >
> > rather than pulling in a class instance from an all-inline
> > implementation.  But hey ;)
> >
> >
> >>
> >> Martin
>