portability: Solaris-derived systems need _XOPEN_SOURCE for msg_control (!873) · Merge requests · mercurial / mercurial-devel · GitLab

Jörg Sonnenberger requested to merge topic/stable/solaris-portability into branch/stable Jun 27, 2024

This is also https://bz.mercurial-scm.org/show_bug.cgi?id=6881