;;
esac
+# Sanity check: We require an extension suitable for use with
+# AnyDBM_File, as well as Fcntl and IO. (Failure to have these
+# should show up as failures in the test suite, but it's helpful to
+# catch them now.) The 'extensions' list is normally sorted
+# alphabetically, so we need to accept either
+# DB_File ... Fcntl ... IO ....
+# or something like
+# Fcntl ... NDBM_File ... IO ....
case "$extensions" in
*"_File "*" Fcntl "*" IO "*) ;;
+*" Fcntl "*"_File "*" IO "*) ;;
*) echo "WARNING: Extensions DB_File or *DBM_File, Fcntl, and IO not configured." >&4
echo "WARNING: The Perl you are building will be quite crippled." >& 4
;;