Mailinglist Archive: opensuse-packaging (161 mails)

[Dave Plater <dplater@xxxxxxxxxxxxxxxx>]

On 01/08/2010 10:23 AM, Ludwig Nussel wrote:
> Dave Plater wrote:
>   
> > I'm fine tuning the build of lilypond and they (lilypond devs) recommend
> > building the documentation, which takes a long time, using "make -jx
> > CPU_COUNT=x doc" where x is the cpu core count +1. When building online
> > the "%{?jobs:-j%{jobs}}" macro expands to -j 4 but not being sure of
> > these things, when I use just plain "make -j x" on my box it doesn't
> > speed up the documentation build much whereas if I add "-j 3
> > CPU_COUNT=3" the build time is reduced from one and a half hours to half
> > an hour approximately. Is there a way of duplicating this on line?
> >     
> %jobs is set to the number of parallel compile jobs to use. It's
> independent of the number of actual cpus as %jobs is set when iceream
> is used too. That CPU_COUNT thing is a special feature of your
> Makefile I guess. You better don't use %jobs there as icecream is of
> no use for building the documentation.
>   
I'll play with the CPU_COUNT= option, is there a way of getting the
jobs= number to use in the spec file, that you know of?
>   
> > Another question, using the openSUSE build script, I've tried to pass
> > the option to rpmbuild "-bi --short-circuit" via RPM_BUILD_STAGE
> > environment option and it gets rejected as invalid either because of the
> > other options or because of the '-bi --short-circuit' '' quotes. If I'm
> > not making a silly mistake when executing "export RPM_BUILD_STAGE=-bi\
> > --short-circuit" then I'll make an enhancement request.
> >     
> --short-circuit won't work anyways I guess as the build script wipes
> %_topdir in each run. You'd have to chroot into the buildroot and
> call rpmbuild yourself:
> # vi $BUILD_ROOT/.build.command
> # chroot $BUILD_ROOT su -c /.build.command - abuild
>
> cu
> Ludwig
>
>   
This calls for an enhancement request, as build is a good way of
simulating osc build to fine tune packages, it picks up things that
plain rpmbuild doesn't, in fact I can even play with the script myself
and submit it. There is nothing better to debug %install and %file
section problems than rpmbuild -bx --short-circuit.
Thanks
Dave P

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