Build MongoDB in Debian - Ubuntu

apt-get update
apt-get install git-core "g++-4.1"
apt-get install python-setuptools libpcre3-dev
apt-get install libboost-filesystem-dev libboost-dev libboost-thread-dev libboost-program-options-dev libboost-date-time-dev
Build SpiderMonkey

http://www.mozilla.org/js/spidermonkey/
ln -s /usr/bin/g++-4.1 /usr/bin/g++
ln -s /usr/bin/gcc-4.1 /usr/bin/gcc
easy_install scons
git clone git://github.com/mongodb/mongo.git
cd mongo
scons all