$NetBSD: patch-ah,v 1.6 2005/07/31 15:26:58 recht Exp $

--- libgc/include/gc_config_macros.h.orig	2004-05-18 20:43:26.000000000 +0200
+++ libgc/include/gc_config_macros.h
@@ -56,7 +56,7 @@
 	defined(GC_IRIX_THREADS) || defined(GC_LINUX_THREADS) || \
 	defined(GC_HPUX_THREADS) || defined(GC_OSF1_THREADS) || \
 	defined(GC_DGUX386_THREADS) || defined(GC_DARWIN_THREADS) || \
-	defined(GC_AIX_THREADS) || \
+	defined(GC_AIX_THREADS) || defined(GC_NETBSD_THREADS) || \
         (defined(GC_WIN32_THREADS) && defined(__CYGWIN32__))
 #   define GC_PTHREADS
 # endif