On Tue, May 25, 2010 at 09:13:41AM -0400, Ralf Baechle wrote: > On Mon, May 24, 2010 at 05:33:01PM +0300, Dmitri Vorobiev wrote: > > > It looks like your toolchain is quite old. I just tried building a > > Cavium Octeon defconfig using my custom toolchain based on GCC 4.3.1 > > and binutils 2.19.51.20090304, and the build was successfull. Before > > you ask: yes, GCC did receive `-march=octeon' :) > > Tools requirements to build a kernel have become a little bit confusing. > I'm sure there are more restrictions that I've forgot. > > * The Lemote 2F defconfig requires binutils 2.20 to build. > * GCC 3.2 is a lost cause for building 64-bit kernels > * GCC 3.3 is broken but can just about be kludged to build a 64-bit kernel. > * GCC 4.4 or a patched older version is required to build a kernel O2 or > Indigo² with R10000 processors. > * GCC 3.2 used to work for the rest but it's a very long time since I > tested this for a modern kernel. > * Linux 2.6.29 and older need a GCC older than 4.4.0 to compile. > The toolchain from emdebian seems to work fine for me, though it is at times a bit difficult to set up due to bad dependencies. Guenter
