Welcome to LQ.
Google, nam code omitted because of length : 13,800 hits.
But anyway, please do not try building the old nam 1.11/.
You can delete the nam 1.11/ folder, and use a package for Ubuntu 12.04 :
http://www.linuxquestions.org/questi...-4175524760/#2
32bits (i386/i686) : nam_1.15-10_i386.deb
64bits (amd64/x86_64) : nam_1.14_amd64.deb
... Download the package, click the package, and it will be installed.
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