Bug#690962: mess: FTBFS, please lower the number of parallel jobs from -j5

Ansgar Burchardt ansgar at debian.org
Fri Oct 19 20:52:32 UTC 2012


Emmanuel Kasper <emmanuel at libera.cc> writes:
> Le 19/10/2012 17:42, Konstantinos Margaritis a écrit :
>> Currently in debian/rules make starts -j5. Currently the armhf
>> autobuilders have only 1GB of RAM and starting 5 C++ jobs is a bit too
>> heavy on the builders. Lowering it to eg. 3 or even 2 is a bit nicer, or
>> if you would like, add some code to limit the number of jobs depending
>> on the number of cpus available.
>
> If that OK I start ( number of CPU cores + 1 ) as the number of make
> jobs ? This is how we do it on the very similar mame package.

No, that's not correct.  See Policy 4.9.1.

Note that debhelper has a --parallel option which can do all the work
for you.

Ansgar



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