<s>
Ports	B-Application
collections	I-Application
(	O
or	O
ports	B-Application
trees	I-Application
,	O
or	O
just	O
ports	O
)	O
are	O
the	O
sets	O
of	O
makefiles	O
and	O
patches	B-Application
provided	O
by	O
the	O
BSD-based	O
operating	B-General_Concept
systems	I-General_Concept
,	O
FreeBSD	B-Operating_System
,	O
NetBSD	B-Device
,	O
and	O
OpenBSD	B-Operating_System
,	O
as	O
a	O
simple	O
method	O
of	O
installing	O
software	O
or	O
creating	O
binary	O
packages	B-Application
.	O
</s>
<s>
They	O
are	O
usually	O
the	O
base	O
of	O
a	O
package	B-Application
management	I-Application
system	I-Application
,	O
with	O
ports	O
handling	O
package	O
creation	O
and	O
additional	O
tools	O
managing	O
package	O
removal	O
,	O
upgrade	O
,	O
and	O
other	O
tasks	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
BSDs	B-Operating_System
,	O
a	O
few	O
Linux	B-Application
distributions	I-Application
have	O
implemented	O
similar	O
infrastructure	O
,	O
including	O
Gentoo	B-Application
's	O
Portage	B-Application
,	O
Arch	O
's	O
Arch	O
Build	O
System	O
(	O
ABS	O
)	O
,	O
CRUX	O
's	O
Ports	O
and	O
Void	O
Linux	B-Application
's	O
Templates	O
.	O
</s>
<s>
The	O
main	O
advantage	O
of	O
the	O
ports	B-Application
system	I-Application
when	O
compared	O
with	O
a	O
binary	O
distribution	O
model	O
is	O
that	O
the	O
installation	O
can	O
be	O
tuned	O
and	O
optimized	O
according	O
to	O
available	O
resources	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
full	O
installation	O
of	O
a	O
FreeBSD	B-Operating_System
system	O
,	O
using	O
ports	O
,	O
can	O
take	O
several	O
days	O
,	O
depending	O
on	O
the	O
hardware	O
.	O
</s>
<s>
Jordan	O
Hubbard	O
committed	O
his	O
port	O
make	O
macros	O
to	O
the	O
FreeBSD	B-Operating_System
CVS	O
repository	O
on	O
August	O
21	O
,	O
1994	O
.	O
</s>
<s>
NetBSD	B-Device
's	O
pkgsrc	O
ports	B-Application
collection	I-Application
is	O
distinctive	O
in	O
that	O
it	O
aims	O
to	O
be	O
portable	O
and	O
is	O
usable	O
on	O
a	O
number	O
of	O
operating	B-General_Concept
systems	I-General_Concept
aside	O
from	O
NetBSD	B-Device
itself	O
,	O
including	O
the	O
other	O
BSDs	B-Operating_System
,	O
SmartOS/illumos	O
,	O
macOS	B-Application
,	O
MINIX	B-Application
3	I-Application
,	O
Linux	B-Application
and	O
other	O
Unix-likes	B-Operating_System
.	O
</s>
<s>
pkgsrc	O
was	O
created	O
in	O
August	O
1997	O
based	O
on	O
the	O
existing	O
FreeBSD	B-Application
ports	I-Application
system	O
.	O
</s>
<s>
It	O
follows	O
a	O
quarterly	O
release	O
schedule	O
and	O
as	O
of	O
October	O
2018	O
contains	O
over	O
22'000	O
packages	B-Application
.	O
</s>
<s>
With	O
their	O
1.4	O
release	O
,	O
DragonFly	B-Application
BSD	I-Application
announced	O
that	O
they	O
would	O
be	O
adopting	O
pkgsrc	O
as	O
their	O
official	O
package	B-Application
management	I-Application
system	I-Application
.	O
</s>
<s>
DragonFly	B-Application
BSD	I-Application
however	O
built	O
their	O
own	O
ports	O
implementation	O
called	O
dports	O
with	O
the	O
release	O
3.4	O
and	O
switched	O
over	O
to	O
it	O
completely	O
with	O
3.6	O
.	O
</s>
<s>
In	O
contrast	O
to	O
FreeBSD	B-Application
Ports	I-Application
,	O
on	O
which	O
it	O
was	O
originally	O
based	O
,	O
the	O
OpenBSD	B-Operating_System
ports	B-Application
system	I-Application
is	O
intended	O
as	O
a	O
source	O
used	O
to	O
create	O
the	O
end	O
product	O
,	O
packages	B-Application
:	O
installing	O
a	O
port	O
first	O
creates	O
a	O
package	O
and	O
then	O
installs	O
it	O
.	O
</s>
<s>
Ports	O
are	O
made	O
up	O
of	O
a	O
makefile	O
,	O
text	B-General_Concept
files	I-General_Concept
with	O
descriptions	O
and	O
installation	O
messages	O
,	O
any	O
patches	B-Application
required	O
to	O
adjust	O
the	O
program	O
to	O
work	O
on	O
OpenBSD	B-Operating_System
and	O
a	O
packing	O
list	O
listing	O
the	O
files	O
to	O
be	O
included	O
in	O
the	O
packages	B-Application
.	O
</s>
<s>
The	O
ports	B-Application
tree	I-Application
uses	O
a	O
set	O
of	O
standard	O
makefiles	O
,	O
some	O
of	O
which	O
are	O
shared	O
with	O
the	O
source	O
tree	O
,	O
to	O
provide	O
the	O
bulk	O
of	O
its	O
functionality	O
;	O
this	O
shared	O
infrastructure	O
includes	O
many	O
utility	O
functions	O
for	O
port	O
developers	O
and	O
means	O
that	O
ports	O
can	O
often	O
be	O
made	O
very	O
simply	O
.	O
</s>
<s>
In	O
late	O
October	O
2007	O
,	O
OpenBSD	B-Operating_System
developer	O
Nikolay	O
Sturm	O
announced	O
that	O
-stable	O
ports	B-Application
tree	I-Application
should	O
be	O
considered	O
unmaintained	O
due	O
to	O
the	O
lack	O
of	O
resources	O
.	O
</s>
<s>
In	O
2009	O
,	O
it	O
was	O
decided	O
to	O
revive	O
the	O
-stable	O
ports	B-Application
tree	I-Application
under	O
supervision	O
of	O
Robert	O
Nagy	O
and	O
Jasper	O
Lievisse	O
Adriaanse	O
.	O
</s>
<s>
There	O
are	O
two	O
unofficial	O
web	O
sites	O
with	O
a	O
listing	O
of	O
OpenBSD	B-Operating_System
ports	O
and	O
packages	B-Application
:	O
</s>
<s>
,	O
originally	O
announced	O
as	O
ports.openbsd.nu	O
in	O
2006	O
,	O
is	O
a	O
custom-written	O
web-site	O
that	O
does	O
its	O
own	O
parsing	O
of	O
the	O
ports	B-Application
tree	I-Application
structure	O
and	O
the	O
updates	O
,	O
and	O
has	O
the	O
functionality	O
of	O
tracking	O
changes	O
of	O
a	O
given	O
port	O
,	O
having	O
a	O
shortcoming	O
of	O
not	O
supporting	O
some	O
of	O
the	O
more	O
complicated	O
Makefile	O
logic	O
,	O
and	O
thus	O
missing	O
some	O
15%	O
of	O
packages	B-Application
that	O
require	O
the	O
intricate	O
knowledge	O
of	O
the	O
ports	B-Application
tree	I-Application
structure	O
and	O
the	O
use	O
of	O
the	O
official	O
tools	O
.	O
</s>
<s>
,	O
announced	O
in	O
February	O
2013	O
and	O
is	O
based	O
on	O
the	O
official	O
sqlports	O
database	O
,	O
thus	O
having	O
a	O
complete	O
collection	O
of	O
all	O
the	O
packages	B-Application
and	O
flavours	O
that	O
are	O
available	O
for	O
the	O
amd64	O
platform	O
.	O
</s>
<s>
The	O
source	O
of	O
the	O
web-site	O
is	O
heavily	O
based	O
on	O
the	O
ports-readmes	O
port	O
,	O
and	O
is	O
readily	O
available	O
in	O
GitHub	B-Application
.	O
</s>
