<s>
GNU	B-Application
Common	I-Application
Lisp	I-Application
(	O
GCL	O
)	O
is	O
the	B-Application
GNU	I-Application
Project	I-Application
's	O
ANSI	B-Language
Common	I-Language
Lisp	I-Language
compiler	B-Language
,	O
an	O
evolutionary	O
development	O
of	O
Kyoto	B-Language
Common	I-Language
Lisp	I-Language
.	O
</s>
<s>
It	O
produces	O
native	O
object	O
code	O
by	O
first	O
generating	O
C	B-Language
code	O
and	O
then	O
calling	O
a	O
C	B-Language
compiler	B-Language
.	O
</s>
<s>
GCL	O
is	O
the	O
implementation	O
of	O
choice	O
for	O
several	O
large	O
projects	O
including	O
the	O
mathematical	O
tools	O
Maxima	B-Language
,	O
AXIOM	B-Language
,	O
HOL88	O
,	O
and	O
ACL2	B-Application
.	O
</s>
<s>
GCL	O
runs	O
under	O
eleven	O
different	O
architectures	O
on	O
Linux	B-Application
,	O
and	O
under	O
FreeBSD	B-Operating_System
,	O
Solaris	B-Application
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
