diff -burN perl-5.8.4.orig/Configure perl-5.8.4/Configure
--- perl-5.8.4.orig/Configure	2004-04-01 05:48:18.000000000 -0800
+++ perl-5.8.4/Configure	2004-06-09 12:02:54.694172368 -0700
@@ -164,6 +164,12 @@
 	;;
 esac
 
+# 2004.06.09 rac
+# having $newsh persist as ksh here is bad news if ksh doesn't really
+# exist. this causes us to toss away a perfectly good working test in
+# bash in favour of more exotic external options. see bug 42665.
+test -x "${newsh}" || unset newsh
+
 : if needed set CDPATH to a harmless value that is not chatty
 : avoid bash 2.02 problems with empty CDPATH.
 case "$CDPATH" in