ada@gentoo.org Gentoo Resources for Ada GNAT, the (GN)U (A)da (T)oolchain, is a high performance Ada 95 development environment based on the mature GCC compiler technology. It implements the full Ada 95 language defined by the ISO standard and is upward compatible with Ada 83. This is a newest development released by AdaCore under GPL. This is the first version implementing the Ada2005 standard.