On 2020-10-21 18:29, Adrian Bunk wrote:
On Wed, Oct 21, 2020 at 10:21:10AM +0000, Debian Bug Tracking System wrote:
...
 mdtraj (1.9.4-6) unstable; urgency=medium
 .
   * debian patch check_sse2.patch checks if system supports SSE2
     (i.e. if system is x86 or amd64) before compiling with -msse2.
     Closes: #972592.
...

Unfortunately this does not work for two reasons:

1. The i386 architecture and all buildds do support SSE2,
   but using it without runtime check is a baseline violation.
2. The software does use handwritten SSE, which won't compile
   on non-x86 architectures (the arm64 support in upstream
   master adds an alternative NEON implementation).


I see. Would the i386 issue be the cause of the segfault in test_image_molecules?

https://ci.debian.net/data/autopkgtest/testing/i386/m/mdtraj/7659912/log.gz

tests/test_trajectory.py::test_smooth PASSED [ 90%] tests/test_trajectory.py::test_image_molecules bash: line 1: 4754 Segmentation fault bash -ec 'pytest-3' 2> >(tee -a /tmp/autopkgtest-lxc.1gyatnly/downtmp/command1-stderr >&2) > >(tee -a /tmp/autopkgtest-lxc.1gyatnly/downtmp/command1-stdout)

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