1diff -urN pthreads-orig/context.h pthreads/context.h 2--- pthreads-orig/context.h 2011-03-04 01:37:20.000000000 +0200 3+++ pthreads/context.h 2018-03-18 13:50:07.362676429 +0200 4@@ -67,6 +67,10 @@ 5 #define PTW32_PROGCTR(Context) ((Context).Pc) 6 #endif 7 8+#if defined(_ARM64_) || defined(__aarch64__) 9+#define PTW32_PROGCTR(Context) ((Context).Pc) 10+#endif 11+ 12 #if !defined(PTW32_PROGCTR) 13 #error Module contains CPU-specific code; modify and recompile. 14 #endif 15