I recently had to build gcc 4.6.3 on CentOS 5.5 so I put together this script to do all of the work. It is released in text mode so that you can cut-n-paste it from the web page. The shell version is also available: http://projects.joelinoff.com/gcc-4.6.3/bld.sh if you want to download it directly using a tool like wget.
The full installation of gcc-4.6.3 and boost-1.49 requires about 4GB of disk space. After the build is complete you can delete the archives, bld and src directory trees to reclaim about 3.4GB of disk space.
Continue reading Bash script to download, build and install gcc 4.6.3 and boost 1.49