Few simple commands to rapid install of the mcl package:

-1)Extract the compressed file in your home
0) open the linux shell and type
1) cd ./mclinterface/mcl/
2)./configure
3) make
4) sudo make install

To see mcl commands and  understand significance of various parameters (-RP-PCT) is sufficient to consult the manual of the MCL, http://micans.org/mcl/, or read the file mcl.odt included in the package MclInterface. 
