Fixes for glibc bug around locale and TLS crashes#121

Merged

mplegendre merged 2 commits intollnl:develfrom

mplegendre:bugfix/locale_thrd_fix

Dec 1, 2025

Commits on Nov 25, 2025

Workaround for glibc bug where get_nprocs would fault under malloc on new thread. Also heap debugging routines and test
mplegendre
committed

Commits on Dec 1, 2025

Fix several issues with autoconf detection of glibc dtv bug
mplegendre
committed