[Buildroot] Still can't build working rootfswith crosstool-NGtoolchain

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

On Wed, 21 Apr 2010 16:31:24 +0000 (UTC)
Grant Edwards <grant.b.edwards@gmail.com> wrote:

> If it's taking that long, I suspect you're also building a toolchain
> and kernel everytime.  When I realized that partial rebuilds weren't
> practical, I switched to using an external toolchain.  With an
> external toolchain and an external download directory, doing a
> from-scratch basic rootfs build takes about 6-7 minutes on a single
> CPU, 2GHz AMD Athlon64.
> 
> I also switched to building my kernel outside of buildroot.  If you're
> doing any sort of kernel development (or just want to try
> experimenting with kernel configurations), doing the kernel builds
> with buildroot is pretty clumsy.
> 
> Once you've got a kernel configuration figured out and set in stone,
> it could be useful to have the kernel built by buildroot, but it
> doesn't seem to be a paractical way to do kernel development.

This is also exactly what I do. We should probably document a bit more
some typical "use cases" in the Buildroot documentation.

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com