On Sat, 2025-09-27 at 15:30 +0200, John Paul Adrian Glaubitz wrote: > > Likely due to changes in gcc-15, aided and abetted by cython 3.0. > > Upstream suggests building with -DCYTHON_LIMITED_API=1 > > see https://github.com/mpi4py/mpi4py/pull/690#issuecomment-3337456651 > > Thanks a lot for investigating this issue and reporting it, I will have a > look. > > However, since sh4 is not a release architecture, the severity should be > lowered.
Addendum: Since we switched GCC to the LRA backend for version 15 on sh4, this particular bug could actually be a regression due to the switch and we should report this upstream. A test case will be to verify whether this issue still shows with "-mno-lra". Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913

