<s>
Xenocara	B-Application
is	O
the	O
OpenBSD	B-Operating_System
build	O
infrastructure	O
for	O
the	O
project	O
's	O
customised	O
X.Org	B-Operating_System
Server	I-Operating_System
that	O
utilises	O
a	O
dedicated	O
_x11	O
user	O
by	O
default	O
to	O
drop	O
privileges	O
and	O
perform	O
privilege	O
separation	O
in	O
accordance	O
to	O
OpenBSD	B-Operating_System
's	O
"	O
least	O
privilege	O
"	O
policy	O
.	O
</s>
<s>
Until	O
release	O
6.9	O
,	O
X.Org	O
used	O
imake	B-Application
but	O
recent	O
modularised	O
versions	O
have	O
switched	O
to	O
GNU	B-Application
autotools	I-Application
.	O
</s>
<s>
Xenocara	B-Application
uses	O
BSD	B-Operating_System
make	B-Application
and	O
is	O
designed	O
to	O
ease	O
building	O
and	O
maintenance	O
of	O
modularised	O
X.Org	O
within	O
the	O
OpenBSD	B-Operating_System
CVS	B-Application
tree	O
.	O
</s>
<s>
It	O
first	O
appeared	O
with	O
OpenBSD	B-Operating_System
4.2	O
,	O
released	O
on	O
;	O
before	O
that	O
,	O
OpenBSD	B-Operating_System
had	O
a	O
different	O
build	O
system	O
and	O
repositories	O
for	O
X	O
in	O
CVS	B-Application
,	O
which	O
have	O
since	O
been	O
completely	O
retired	O
in	O
favour	O
of	O
Xenocara	B-Application
.	O
</s>
<s>
Apart	O
from	O
X.Org	O
,	O
Xenocara	B-Application
builds	O
several	O
other	O
projects	O
,	O
including	O
window	B-Application
managers	I-Application
FVWM	B-Device
and	O
cwm	B-Application
.	O
</s>
<s>
Xenocara	B-Application
is	O
the	O
default	O
display	O
server	O
for	O
the	O
X	O
Window	B-Application
System	I-Application
for	O
:	O
</s>
