Give this a chance to build on sgi.

ok jasper@

emulators/openmsx/Makefile

@@ -1,7 +1,6 @@
-# $OpenBSD: Makefile,v 1.10 2012/12/21 17:46:55 landry Exp $
+# $OpenBSD: Makefile,v 1.11 2012/12/23 03:25:18 bentley Exp $
 
 BROKEN-powerpc =CPUCore.cc:2347: error: insn does not satisfy its constraints
-BROKEN-mips64=	Unsupported or unrecognised CPU "sgi"
 BROKEN-hppa =	OOM when building src/cpu/CPUCore.cc
 
 COMMENT =	MSX home computer emulator

emulators/openmsx/patches/patch-build_detectsys_py

@@ -0,0 +1,15 @@
+$OpenBSD: patch-build_detectsys_py,v 1.4 2012/12/23 03:25:18 bentley Exp $
+Give this a chance to build on sgi.
+
+Committed upstream in r13070.
+--- build/detectsys.py.orig	Sat Dec 22 20:18:26 2012
++++ build/detectsys.py	Sat Dec 22 20:18:41 2012
+@@ -25,7 +25,7 @@ def detectCPU():
+ 		return 'ppc64' if cpu.endswith('64') else 'ppc'
+ 	elif cpu.startswith('arm'):
+ 		return 'arm'
+-	elif cpu.startswith('mips'):
++	elif cpu.startswith('mips') or cpu == 'sgi':
+ 		return 'mipsel' if cpu.endswith('el') else 'mips'
+ 	elif cpu == 'm68k':
+ 		return 'm68k'