Which version of gcc should be used to compile the cfrontend version 1.7?

Which version of gcc should be used to compile the cfrontend version 1.7?

Thank you for your time,
James Supancic

Theoretically, any version that can compile llvm should be able to compile llvm-gcc4. Please see:
http://llvm.org/docs/GettingStarted.html#brokengcc

-Chris