Tim Mann allegedly suggested disabling HAVE_SIGIO for hanging xtrs on

Linuxes 5 years ago. I see the same problem on NetbSD-6 (at least; didn't
try older) and the same cure works.

emulators/xtrs/Makefile

@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.14 2012/10/03 12:55:22 asau Exp $
+# $NetBSD: Makefile,v 1.15 2013/01/12 16:40:49 is Exp $
 #
 
 DISTNAME=	xtrs-4.9
-PKGREVISION=	3
+PKGREVISION=	4
 CATEGORIES=	emulators
 MASTER_SITES=	http://www.tim-mann.org/trs80/
 

emulators/xtrs/distinfo

@@ -1,8 +1,9 @@
-$NetBSD: distinfo,v 1.3 2007/07/27 23:50:19 joerg Exp $
+$NetBSD: distinfo,v 1.4 2013/01/12 16:40:49 is Exp $
 
 SHA1 (xtrs-4.9.tar.gz) = abfbbdb972c7fa2b3545ed42698162a88168bded
 RMD160 (xtrs-4.9.tar.gz) = 6daabf36a53e4af8b9d6b97d91cba00cc55b406f
 Size (xtrs-4.9.tar.gz) = 422910 bytes
+SHA1 (patch-Makefile) = 5c8f0cd142a1134fd99ad8946bf069ee9d0b53d7
 SHA1 (patch-aa) = f43c92142a240c45015fad93fd702df78e5a707c
 SHA1 (patch-ab) = 11aa129243aa5bb5c7b017241ebd444e9ac43ff2
 SHA1 (patch-ac) = f57cd85b5896bbdf1ae0346e1d703aa460ba8984

emulators/xtrs/patches/patch-Makefile

@@ -0,0 +1,13 @@
+$NetBSD: patch-Makefile,v 1.1 2013/01/12 16:40:49 is Exp $
+
+--- Makefile.orig	2002-05-11 21:35:23.000000000 +0000
++++ Makefile
+@@ -145,7 +145,7 @@ z80code: $(Z80CODE)
+ include Makefile.local
+ 
+ CFLAGS = $(DEBUG) $(ENDIAN) $(DEFAULT_ROM) $(READLINE) $(DISKDIR) $(IFLAGS) \
+-       $(APPDEFAULTS) -DKBWAIT -DHAVE_SIGIO
++       $(APPDEFAULTS) -DKBWAIT # -DHAVE_SIGIO
+ LIBS = $(XLIB) $(READLINELIBS) $(EXTRALIBS)
+ 
+ ZMACFLAGS = -h