sudo apt-get install build-essential autoconf automake libxmu-dev gcc-4.3
wget http://www.paulson.in/tools/ns2/ns-allinone-withpath-2.34.tbz
mv ns-allinone-withpath-2.34.tbz /opt
cd /opt
tar -jxvf ns-allinone-withpath-2.34.tbz
cd ns-allinone-2.34
vi otcl-1.13/Makefile.in
find the line CC= @CC@
change it to
CC= gcc-4.3
./install
