On 03/20/2012 07:05 PM, Brendan Conoboy wrote:
On 03/20/2012 10:44 AM, drago01 wrote:
On Tue, Mar 20, 2012 at 5:56 PM, Brendan Conoboy<b...@redhat.com> wrote:
Please, please, no. Cross compilation for Fedora cannot and will not
ever
get a secondary arch to primary. We're talking man-decades of
engineering
time to solve all the problems. Decades.
Sorry I am not buying that.
Because you have vast experience to the contrary? Look, even x86_64 is
topping out on speed and moving to a more-core and more-systems-per-rack
model. Cross compilation solves yesterday's problem, not tomorrow's.
Today's problem are:
1. sufficiently performant arms are not wide-spread
and
2. today's code is hardly tested on arms.
IMO, wrt. Fedora, unless a solution to 1. can be provided to the Fedora
developer community, 2. can not be achieved and arm-Fedora will remain
an illusion.
If
build speed truly is a fundamental issue to becoming PA the answer is to
harness multiple systems for a single build, not to use a somewhat
faster system to make up for the speed of a somewhat slower system.
Scaling across more cores than fit in a single SMP Linux environment is
the only sensible approach to future build speedups. Though is an
interesting challenge, it is completely beyond the scope of primary
architecture requirements. Please, let's drop talk of cross compilation.
I agree insofar as cross-compilation is a band-aid. However, sometimes,
band-aids are inevitable.
Ralf
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