> -----Original Message----- > From: Ian Lance Taylor [mailto:iant@xxxxxxxxxx] > Sent: Friday, March 30, 2012 1:22 PM > To: stuart > Cc: gcc@xxxxxxxxxxx > Subject: Re: GCC 4.7.0 as a AVR cross compiler > > stuart <stuart@xxxxxxxxxxxxxxxxxxx> writes: > > > I am not sure this is the right place to ask this > > It's not. The right place is gcc-help@xxxxxxxxxxx. Please take any > followups there. Thanks. > > > > I can not seem to get gcc 4.7.0 to compile; it will not complete the > > configuration stage complaining about missing packages (GMP, MPFR and > > MPC). I have tried to cross compile these packages for the Atmel AVR > > Mega series but the only one that seems to complete is the GMP > > package. The cross compile did produce a lib file (and install it and > > the gpm.h file in the correct place) but nothing else would accept that > > GMP was present on the system. > > You need to have GMP, MPFR, and MPC for the host. You do not need to > cross-compile them for AVR. Also, I wouldn't necessarily recommend 4.7.0 for the AVR. It really needs some follow-up patches. I would recommend using 4.6.3, as it's a more stable release. Eric Weddington