$NetBSD: patch-configure,v 1.1 2017/11/03 20:07:12 bsiegert Exp $

Fix bad substitution in configure.
--- configure.orig	2012-02-21 18:14:06 UTC
+++ configure
@@ -2261,7 +2261,7 @@ fi
 
 
 eval `$PERL -V:startperl`
-if test "${startperl:0:1}" = "#" ; then
+if test "$(echo ${startperl} | awk '{ string=substr($0, 1, 1); print string; }')" = "#" ; then
   startperl="\\$startperl"
 fi
 PERL_SHEBANG=$startperl