Disable executing F<$Config{sitelib}/sitecustomize.pl> at startup.
Perl can be built so that it by default will try to execute
-F<$Config{sitelib}/sitecustomize.pl> at startup. This is a hook that
-allows the sysadmin to customize how perl behaves. It can for
-instance be used to add entries to the @INC array to make perl find
-modules in non-standard locations.
+F<$Config{sitelib}/sitecustomize.pl> at startup (in a BEGIN block).
+This is a hook that allows the sysadmin to customize how perl behaves.
+It can for instance be used to add entries to the @INC array to make perl
+find modules in non-standard locations.
=item B<-F>I<pattern>
X<-F>