[Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402

--- Comment #44 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #43)
> (In reply to Eric Gallager from comment #42)
> > Is this just about parallelism bottlenecks for the main build target (e.g.
> > just `make` or `make all`), or does it apply to other Makefile targets, too?
> > (e.g. the testsuite via `make check`, or docs via `make pdf` or something)
> 
> Well, it was intended to cover only the main build, which pdf can be seen as
> part of.

I usually have to run `make pdf` as a separate build target, though, as it
doesn't get run as part of the main build for me... and the bottleneck there,
for the pdf target, is in libstdc++ for me...