better approach. thanks wiz@

misc/screen/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.117 2021/02/12 22:28:03 cjep Exp $
+# $NetBSD: Makefile,v 1.118 2021/02/12 22:53:14 cjep Exp $
 
 DISTNAME=	screen-4.8.0
 PKGREVISION=	3
@@ -45,10 +45,6 @@ PLIST_VARS+=		terminfo
 
 .include "../../mk/compiler.mk"
 
-.if ${OPSYS} == "OpenBSD"
-CFLAGS+=	-D_OpenBSD_
-.endif
-
 .if ${OPSYS} == "SunOS"
 .  if !empty(PKGSRC_COMPILER:Mclang) || !empty(CC_VERSION:Mgcc-[6-9]*)
 CPPFLAGS+=	-D_XOPEN_SOURCE=600 -D__EXTENSIONS__

misc/screen/distinfo

@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.57 2021/02/12 22:29:36 cjep Exp $
+$NetBSD: distinfo,v 1.58 2021/02/12 22:53:14 cjep Exp $
 
 SHA1 (screen-4.8.0.tar.gz) = 2328927e10e68d357bdfec7bd740726011e834e9
 RMD160 (screen-4.8.0.tar.gz) = 43888fa00f708a8a9aa226e0df39abd7181b15ae
@@ -19,4 +19,4 @@ SHA1 (patch-display.h) = 922ebe152d8c09fc016b983d8fe9c1c64ef74578
 SHA1 (patch-screen.c) = de5d8468100ab88cbdb842e21b04b00221e798b8
 SHA1 (patch-socket.c) = ef7d3cb14f0199383c0e750af48f19537eb0b36d
 SHA1 (patch-tty.sh) = 711e10879250de4b0e04bc2ec00472edeaf6aada
-SHA1 (patch-window.h) = c146857e76dbf6156ed93710bd4c5acc2469d0c5
+SHA1 (patch-window.h) = 84dc5a2c24ff77147b416c05f897536c0cfddf31

misc/screen/patches/patch-window.h

@@ -1,14 +1,14 @@
-$NetBSD: patch-window.h,v 1.2 2021/02/12 22:29:37 cjep Exp $
+$NetBSD: patch-window.h,v 1.3 2021/02/12 22:53:14 cjep Exp $
 
 OpenBSD grumbles without the socket definitions
 
 --- window.h.orig	Wed Feb  5 20:09:38 2020
-+++ window.h	Thu Feb 11 21:01:43 2021
++++ window.h	Thu Feb 11 21:27:43 2021
 @@ -33,6 +33,10 @@
  #ifndef SCREEN_WINDOW_H
  #define SCREEN_WINDOW_H
  
-+#ifdef _OpenBSD_
++#ifdef __OpenBSD__
 +#include <sys/socket.h>
 +#endif
 +