PROJ/include/proj/internal/mutex.hpp, branch backport-2856-to-master Forked from https://github.com/OSGeo/PROJ Cleanup: add proj/internal/mutex.hpp as compat layer for mingw32 for std::mutex 2021-06-02T16:08:48+00:00 Even Rouault even.rouault@spatialys.com 2021-06-02T16:07:46+00:00 e297475f0d05b3c8cfbc5cee90add7d7a37c6a02