[Pkg-julia-devel] Bug#848506: Bug#848506: julia: FTBFS (Memory limit reached : 687558656 > 524288000)

[Santiago Vila]

On Tue, Dec 20, 2016 at 03:26:03PM -0500, Peter Colberg wrote:
> Control: tags -1 pending
> 
> On Sat, Dec 17, 2016 at 07:11:55PM +0000, Santiago Vila wrote:
> >  debian/rules build-indep
> > dh build-indep --parallel --with=sphinxdoc
> >    dh_testdir -i -O--parallel
> >    dh_update_autotools_config -i -O--parallel
> >    dh_auto_configure -i -O--parallel
> >    debian/rules override_dh_auto_build
> > [...]
> >    debian/rules override_dh_auto_test
> > make[1]: Entering directory '/<<PKGBUILDDIR>>'
> > env JULIA_CPU_CORES=1 JULIA_TEST_MAXRSS_MB=500 HOME=/tmp make -C test ...
> 
> This issue is due to my broken logic in debian/rules:
> 
> # Set number of parallel workers for tests
> ifneq (,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
> TESTS_ENV += JULIA_CPU_CORES=$(patsubst parallel=%,%,$(filter parallel=%,$(DEB_BUILD_OPTIONS)))
> else ifeq (,$(filter parallel,$(DEB_BUILD_OPTIONS)))
> TESTS_ENV += JULIA_CPU_CORES=2
> endif
> # Restart workers exceeding maximum resident memory size (requires JULIA_CPU_CORES >= 2)
> TESTS_ENV += JULIA_TEST_MAXRSS_MB=500
> 
> I assumed that the number of processes is ≥ 2 for parallel builds, but
> this is no longer the case since debhelper 10 always passes "parallel".
> I will upload a new version soon that ensures JULIA_CPU_CORES ≥ 2.
> 
> By the way, Graham, can we increase debhelper compat level to 10?

Aha, so I guess that the fact that I always have this:

$ENV{'DEB_BUILD_OPTIONS'} = 'parallel=1';

in my .sbuildrc is one of the reasons the build failed in my
autobuilders, right?

[ Sometimes I have the feeling that I'm the only one building packages
  with only one CPU... ]

Thanks a lot.