$NetBSD$
--- rm/rminit.c.orig	2005-06-07 08:40:51.000000000 -0700
+++ rm/rminit.c	2005-06-07 08:41:19.000000000 -0700
@@ -133,7 +133,9 @@
 #ifdef SOLARIS
     glXInitThreadsSUN();
 #else
+ #ifndef __NetBSD__
     pthread_setconcurrency(12);
+ #endif
 #endif
 #endif
 
