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...