On 06/28/2010 10:51 AM, Ciaran McCreesh wrote:
> On Mon, 28 Jun 2010 10:44:54 +0300
> Samuli Suominen<ssuominen@g.o>  wrote:
>>> You've forgotten "make --as-needed not break correct code by making
>>> the linker ignore explicit instructions from a program author to
>>> link two things together". Until you do that, --as-needed is in the
>>> same category as -ffast-math.
>>
>> And we can't be held hostage by few packages (marginal cases), that's
>> why we have function called $(no-as-needed) in flag-o-matic.eclass to
>> disable the behavior for these packages.
>
> Will Gentoo be doing the same for -Ofast and its flags then? After all,
> most packages work with them, and you can't let the few packages that
> require standard-compliant behaviour from a compiler hold Gentoo
> hostage.

--as-needed is a flag that tries to solve a specific (and very annoying) 
problem.  It deserves a bit of special treatment.  It's not a ricer flag :-)