-#! PERL_COMMAND -w
+#! PERL_COMMAND
# This is a Perl script that reads an Exim run-time configuration file for
# Exim 3. It makes what changes it can for Exim 4, and also output commentary
# It is assumed that the input is a valid Exim 3 configuration file.
+use warnings;
+BEGIN { pop @INC if $INC[-1] eq '.' };
# These are lists of main options which are abolished in Exim 4.
# The first contains options that are used to construct new options.