--- pthreads-w32-2-9-1-release/sched.h.orig 2011-06-29 07:10:02.000000000 +0200 +++ pthreads-w32-2-9-1-release/sched.h 2018-12-20 18:00:33.452320552 +0100 @@ -117,9 +117,9 @@ #endif /* PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX */ #if (defined(__MINGW64__) || defined(__MINGW32__)) || defined(_UWIN) -# if PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX /* For pid_t */ # include +# if PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX /* Required by Unix 98 */ # include # else