To install the PICA library please follow these steps:

1. Uncompress the PICA library calling:
tar xzvf PICA_src_linux_(version).tgz
A directory named PICA will be created.

2. Run make, change to superuser and run make install
The library will be copied to /usr/local/lib and the headers
to /usr/include/PICA/.
Change the makefile if you wish different paths of instalation.

3. When developing applications be sure to put 
#include <PICA/pica.h>

and compile it doing:

gcc <your stuff> -lpica
