are <a href="http://gcc.gnu.org/releases.html">gcc-4.2</a> and the
2005, 2006 and 2007 versions of the
<a href="http://libre.adacore.com/">GNAT GPL Edition</a>.
+ <b>GNAT GPL 2008, gcc-4.3 and later will not work</b>.
The LLVM parts of llvm-gcc are written in C++ so a C++ compiler is
needed to build them. The rest of gcc is written in C.
Some linux distributions provide a version of gcc that supports all