use warnings;
BEGIN { pop @INC if $INC[-1] eq '.' };
+use File::Basename;
+
+if ($ARGV[0] eq '--version') {
+ print basename($0) . ": $0\n",
+ "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION\n",
+ "perl(runtime): $]\n";
+ exit 0;
+}
# If the filter is called with any arguments, insert them into the message
# as X-Arg headers, just to verify what they are.