$NetBSD: patch-ar,v 1.1 2016/07/03 17:50:31 dholland Exp $

NetBSD has POSIX signals since 2.0 at least.

--- src/runtime/include/ml-unixdep.h.orig	2008-12-05 20:57:39.000000000 +0300
+++ src/runtime/include/ml-unixdep.h	2009-03-19 00:14:35.000000000 +0300
@@ -323,7 +323,7 @@
 #elif defined(OPSYS_NETBSD) /* version 3.x */
 #  define OS_NAME	"BSD"
 #  define HAS_POSIX_LIBRARIES
-#  define HAS_BSD_SIGS
+#  define HAS_POSIX_SIGS
 #  define HAS_GETRUSAGE
 #  define HAS_SETITIMER
 #  define HAS_MMAP