Fix building without multithreading or LAPACK#5615

Merged

martin-frbg merged 2 commits intoOpenMathLib:developfrom

martin-frbg:issue5607

Jan 18, 2026

Commits on Jan 18, 2026

Include thread callback replacement hook in singlethreaded builds as well
martin-frbg
authored
Make test_post_fork_async depend on LAPACK as it uses getrf
martin-frbg
authored