$NetBSD: patch-configure,v 1.4 2021/01/08 08:47:29 otis Exp $

Check for stropts.h for usage on SunOS

--- configure.orig	2021-01-03 18:23:22.000000000 +0000
+++ configure
@@ -4034,7 +4034,7 @@ fi
 
 done
 
-for ac_header in util.h bsd/libutil.h libutil.h sys/stropts.h regex.h
+for ac_header in util.h bsd/libutil.h libutil.h stropts.h sys/stropts.h regex.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"