<s>
Ccache	B-Application
is	O
a	O
software	O
development	O
tool	O
that	O
caches	B-General_Concept
compilations	B-Language
so	O
that	O
the	O
next	O
time	O
,	O
the	O
same	O
compilation	B-Language
can	O
be	O
avoided	O
and	O
the	O
results	O
can	O
be	O
taken	O
from	O
the	O
cache	B-General_Concept
.	O
</s>
<s>
The	O
detection	O
is	O
done	O
by	O
hashing	B-Algorithm
different	O
kinds	O
of	O
information	O
that	O
should	O
be	O
unique	O
for	O
the	O
compilation	B-Language
and	O
then	O
using	O
the	O
hash	O
sum	O
to	O
identify	O
the	O
cached	O
output	O
.	O
</s>
<s>
Ccache	B-Application
is	O
licensed	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
