Add weak stubs for pthread_cancel API.

diff --git a/misc.c b/misc.c
index 8e2da68..007ad23 100644 (file)
--- a/misc.c
+++ b/misc.c
@@ -2195,3 +2195,8 @@ GC_API int GC_CALL GC_get_force_unmap_on_gcollect(void)
 {
     return (int)GC_force_unmap_on_gcollect;
 }
+
+void __pthread_register_cancel() __attribute__ ((weak));
+void __pthread_unregister_cancel() __attribute__ ((weak));
+void __pthread_register_cancel() {}
+void __pthread_unregister_cancel() {}