On 01/24/19 02:54, David Boyce wrote: > Yes, -j1 is the right and obvious solution but I think you have > .NOTPARALLEL completely backwards. Here's what the manual says: > > If .NOTPARALLEL is mentioned as a target, then this invocation of make will > be run serially, even if the ‘-j’ option is given ... Any prerequisites on > this target are ignored.
My bad, you are right! Thanks! Laszlo > On Wed, Jan 23, 2019 at 5:10 PM Laszlo Ersek <ler...@redhat.com> wrote: > >> On 01/23/19 15:45, David Boyce wrote: >>> And don't forget that many clever things can be done with --exec, e.g. >>> "--exec .NOTPARALLEL:". But -j1 seems simpler in this case. >>> >>> On Wed, Jan 23, 2019 at 8:51 AM Paul Smith <psm...@gnu.org> wrote: >>> >>>> On Wed, 2019-01-23 at 11:24 +0100, Laszlo Ersek wrote: >>>>> Would it be safe / robust to filter out "-j" and "--jobserver-fds=3,4" >>>>> as well, manually? (E.g. by sticking a shell script between the outer >>>>> and inner make processes.) >>>> >>>> Why not simply add "-j1" explicitly to the inner-make invocation? That >>>> will disable the job server. >>>> >>>>> In particular, "--jobserver-fds" is not documented in end-user >>>>> documentation, apparently, so I get a feeling this option could >>>>> change at any time, as an implementation detail of distributing jobs. >>>> >>>> In fact it DID change, in GNU make 4.2, to be --jobserver-auth. At the >>>> same time this new option was published in the documentation and made >>>> an official part of the GNU make interface. >> >> Awesome, thank you both. Appending "-j1" to the command line of the >> inner make seems a lot simpler than spelling out the pre-requisites of >> .NOTPARALLEL. >> >> (In fact it crossed my mind that .NOTPARALLEL could be extended to a >> prerequisite-less form, like .SECONDARY: it would then apply to all >> targets. But, "-j1" should work fine.) >> >> Thank you! >> Laszlo >> > _______________________________________________ Help-make mailing list Help-make@gnu.org https://lists.gnu.org/mailman/listinfo/help-make
