On Sun, Jan 28, 2024 at 9:55 AM Ben Beasley <code@musicinmybrain.net> wrote:
Blender already excludes i686:

https://src.fedoraproject.org/rpms/blender/blob/8088da10c20e53ab0e1dd5de6fd3a2344bd288aa/f/blender.spec#_207

So does prusa-slicer:

https://src.fedoraproject.org/rpms/prusa-slicer/blob/44359e4b53c503cb61a60842abf991a01d1cb9db/f/prusa-slicer.spec#_68

Packages depending directly on openvdb are:

$ fedrq wrsrc -s openvdb
OpenImageIO-2.4.17.0-1.fc40.src
blender-1:4.0.2-1.fc40.src
luxcorerender-2.7-0.10.beta1.fc40.src
openvkl-2.0.0-5.fc40.src
prusa-slicer-2.4.2-13.fc40.src
usd-23.11-2.fc40.src

Of these, it looks like only OpenImageIO builds on i686. Packages
depending on it are:

$ fedrq wrsrc -s OpenImageIO
OpenColorIO-2.2.1-6.fc40.src
blender-1:4.0.2-1.fc40.src
embree-4.3.0-2.fc40.src
luxcorerender-2.7-0.10.beta1.fc40.src
oidn-2.1.0-1.fc40.src
openshadinglanguage-1.12.14.0-9.fc40.src
usd-23.11-2.fc40.src

Of those, only OpenColorIO builds on i686. Packages depending on it are:

$ fedrq wrsrc -s OpenColorIO
OpenImageIO-2.4.17.0-1.fc40.src
blender-1:4.0.2-1.fc40.src
calligra-3.2.1-25.fc39.src
krita-5.2.2-1.fc40.src
luxcorerender-2.7-0.10.beta1.fc40.src
usd-23.11-2.fc40.src

Of those, only calligra builds on i686, and it’s a leaf package. So, if
I haven’t missed anything, as long as i686 support is dropped from all
of calligra, OpenColorIO, OpenImageIO, and openvdb, then it should be OK.

Well I just re-tried openvdb with _smp_build_ncpus 1 and it still failed so I don't think we have a choice at this point. Perhaps it was hitting the 4GB max per process due to being 32bit?

Thanks,
Richard