https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99913
--- Comment #3 from Brecht Sanders <brechtsanders at users dot sourceforge.net> --- Just to clarify: libwinpthread is built as part of the GCC build against MinGW-w64. MinGW-w64 also already has a libwinpthread (including libwinpthread-1.dll which can be found in the PATH).
