IIRC declaring the variable extern was suggested somewhere online to prevent the linker from removing it, especially when LTO gets involved. If you're feeling brave, you could test winpthreads + MSVC and its /GL [0] or /LTGC [1] flags.
[0]: https://learn.microsoft.com/en-us/cpp/build/reference/gl-whole-program-optimization?view=msvc-170 [1]: https://learn.microsoft.com/en-us/cpp/build/reference/ltcg-link-time-code-generation?view=msvc-170 -- Antonin _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
