Bug#1117894: cvxopt FTBFS with Python 3.14: Segmentation fault in test_sdp

Stefano Rivera stefanor at debian.org
Sun Oct 12 09:46:12 BST 2025


Source: cvxopt
Version: 1.3.0+dfsg-1
Severity: normal
Tags: ftbfs upstream patch
Forwarded: https://github.com/cvxopt/cvxopt/pull/261


Python 3.14 is upon us, and we would like to enable it as a supported 
version in Debian.

cvxopt fails to build with Python 3.14 as an available version. Graham 
Inggs did a test rebuild in Ubuntu and found this build failure. These 
can be reproduced in Debian by installing python3-all from experimental 
(but you may need to rebuild some dependencies by hand, first).

This appears to be have been fixed in upstream git, we should just 
cherry-pick the patch:
https://github.com/cvxopt/cvxopt/pull/261

Build log:
https://launchpadlibrarian.net/820382099/buildlog_ubuntu-questing-amd64.cvxopt_1.3.0+dfsg-1build10_BUILDING.txt.gz

Errors:
test_sdp (test_dsdp.TestDSDP.test_sdp) ... Segmentation fault (core dumped)



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