Installation Notes

You may encounter the following issues when trying to build or test Node.js

Mac OS X 10.6.2

/usr/sbin not in $PATH:

Solution:

$ nano ~/.profile
PATH="/usr/sbin/:$PATH"
$ source ~/.profile

gpg-error Not Found on ./configure

Download and install MacGPG from macgpg.sourceforge.net

Max OS X

Quick and easy:
Install homebrew then:

brew install node.js  

or get your mac up to speed with cider.

FreeBSD

execinfo.h: No such file or directory:

Install libexecinfo (devel/libexecinfo).

Ubuntu 9.04

Quick and easy:

sudo apt-get install build-essential libc6-dev-i386 lib32stdc++6 git-core
sudo ln -s /usr/lib32/libstdc++.so.6 /usr/lib32/libstdc++.so
git clone git://github.com/ry/node.git
cd node
./configure 
make
sudo make instal  

thanks Travis Swicegood.