"-plugin smiley ".
($plugin ? "-plugin $plugin " : "").
"-underlaydir=t/tmp/install/usr/share/ikiwiki/basewiki ".
+ "-set underlaydirbase=t/tmp/install/usr/share/ikiwiki ".
"-templatedir=templates t/basewiki_brokenlinks t/tmp/out"));
my $result=`grep 'no broken links' t/tmp/out/index.html`;
ok(length($result));