On Thursday 5. August 2010 02.25.40 Zhang, Austin wrote: > So any concern on switch softfp to hard? Meanwhile, what compiler is being > used for Maemo 5 build? Does it support Neon naturally? > > And as you may know, so far, we had switch compiler to 4.5.0, so seemed it > is also time to change those flags.
The only concern is that it's binary incompatible (different ABI for fp
parameters) from existing N900 applications. I don't know which way Harmattan
would go -- Maemo5 backwards compatibility or MeeGo future compatibility.
The Maemo5 toolchain uses gcc 4.2, from the CodeSourcery release 2007q1 (I
think). I think Harmattan upgraded to 2009q3, so gcc 4.3. Personally, I don't
use either: I upgrade by downloading a new toolchain from CodeSourcery.
In your other email, you wrote "For hard instead of softfp, with the update to
gcc 4.5.0, it supports to do this". What did you mean by this?
--
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
Senior Product Manager - Nokia, Qt Development Frameworks
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