-my @command = (qw(./ikiwiki.out --plugin meta --disable-plugin htmlscrubber));
-push @command, qw(-underlaydir=underlays/basewiki);
-push @command, qw(-set underlaydirbase=underlays);
-push @command, qw(--templatedir=templates);
+my $installed = $ENV{INSTALLED_TESTS};
+
+my @command;
+if ($installed) {
+ @command = qw(ikiwiki);
+}
+else {
+ ok(! system("make -s ikiwiki.out"));
+ @command = qw(perl -I. ./ikiwiki.out
+ --underlaydir=underlays/basewiki
+ --set underlaydirbase=underlays
+ --templatedir=templates);
+}
+
+push @command, qw(--plugin meta --disable-plugin htmlscrubber);