Matrix of release dates for GCC, binutils, glibc and numactl

I spent today figuring out release dates for GCC, binutils, glibc and numactl, going back to the release of GCC 4.1.2, so I can build the appropriate matching versions of these packages, to build liblfds.

This is the result!

http://liblfds.org/mediawiki/index.php?title=Matrix_of_GCC,_glibc,_binutils_and_numactl_release_dates#Introduction