This avoids warnings when building a setup file from scratch, in which case
some default settings need to be used.
$config{srcdir}="" if ! defined $config{srcdir};
$config{destdir}="" if ! defined $config{destdir};
$config{syslog}=1 if $config{setupsyslog};
$config{srcdir}="" if ! defined $config{srcdir};
$config{destdir}="" if ! defined $config{destdir};
$config{syslog}=1 if $config{setupsyslog};
require IkiWiki::Setup;
IkiWiki::Setup::dump($config{dumpsetup});
}
require IkiWiki::Setup;
IkiWiki::Setup::dump($config{dumpsetup});
}