--- OLD/xc/programs/xterm/main.c	Thu Jan  1 00:00:00 1970
+++ NEW/xc/programs/xterm/main.c	Thu Jan  1 00:00:00 1970
@@ -238,6 +238,9 @@
 #ifdef SVR4
 #define USE_POSIX_WAIT
 #endif
+#ifdef __NetBSD__
+#define USE_POSIX_WAIT
+#endif
 
 #include <stdio.h>
 #include <errno.h>