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Re: #215067 mozilla FTBFS



On Thu, Oct 23, 2003 at 09:57:52AM -0400, Whaley, Robert wrote:
 
> I think for now, only the old FPA memory layout is used in Debian
> binaries.  I think this is the format you describe in your message
> that's causing the problem.

This is true on the Netwinder redhat-like distribution as well.
 
> In the longer term I wonder how the transition to the new memory layout
> and VFP instructions would be accomplished...

Its a rather drastic change - to generate VFP you need a new toolchain,
and a new glibc as well.  This lets you bootstrap and then compile
everything with VFP.  From what I've been led to believe, it is not
possible to have a hybrid system.  I've played with it a little bit
(using Nicholas Pitre's patch for gcc-3.3) but can't say I have it
mastered yet :)

> > As discussed below (the good stuff is at the end), I've 
> > traced the mozilla segfault to their PR_dtoa function, which 
> > converts doubles to strings. 

I wonder why mozilla would have any system-specific code like this at
all.  Conversion from float/double to string is handled in glibc via
printf() and its helpers - is there some reason why this cannot be
used?

-- 
Ralph Siemsen
www.netwinder.org



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