Hi Joey,

In debhelper 7.4.4 parallel builds were enabled by default:
> Changes: 
>  debhelper (7.4.4) unstable; urgency=low
>  .
>    * The makefile buildsystem (and derived buildsystems cmake, autoconf, etc)
>      now supports parallel building by default, as specified via
>      DEB_BUILD_OPTIONS. Closes: #532805
>    * dh_auto_*: Add --max-parallel option that can be used to control
>      or disable parallel building. --max-parallel=1 will disable parallel
>      building, while --max-parallel=N will limit the maximum number of
>      parallel processes that can be specified via DEB_BUILD_OPTIONS.

This is a very intrusive change that apparently broke a build of libaqbanking,
which is not at all ready for parallel builds:
https://buildd.debian.org/fetch.cgi?pkg=libaqbanking&arch=powerpc&ver=4.2.0-2&stamp=1258742157&file=log&as=raw

As I understand it, I should now upload a modified package with
--max-parallel=1 appended to the dh_auto_build call in my debian/rules. Right?

Do you know how much packages else are affected? I guess its quite a serious
number...

I think you should advertise this important change more publicly, i.e. on
d-...@l.d.o *before* uploading.

Regards
  Micha



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