=== GCC ===
Unusual libraries needed: libmpc-dev libmpfr-dev libgmp-dev flex

run initGCC.sh, need root when compiling in ramdisk

Most interesting webpages:
http://gcc.gnu.org/ml/gcc/2011-10/msg00097.html
http://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Debugging-Options.html
http://idlebox.net/2011/apidocs/gcc-4.6.0.zip/gccint-4.6.0/gccint_11.html#SEC156
http://www.cse.iitb.ac.in/grc/intdocs/gcc-implementation-details.html#The-AST_002fGeneric
http://www.informatik.uni-hamburg.de/RZ/software/gnu/gcc/gccint/Front-End.html

=== LLVM ===

http://llvm.org/docs/tutorial/