RE: Bug#338191: Endianess change workaround

["Viti Davide" <Davide.Viti@siemens.com>]

Hi,
> png_set_swap() seems to be the libpng's function that has to 
> be called 
> to do such a trick, and since it's already part of d-i udebs there 
> should be no problem in using it.
> This would let gtk-rooyskel unchanged since PNG swapping is done at 
> runtime by gtk.so.
> But how can i know if the PNG swap has to be performed or not? a new 
> boolean question (debconf/pngswap=TRUE/FALSE ? ),  should be 
> preset at 
> ISO build/boot time i think..

The code could be something like

#ifdef NEEDS_BYTE_SWAPPING
 do png_set_swap() tricke
#else
 normal code
#

And NEEDS_BYTE_SWAPPING would defined at compile time for the arches
thet need it

Ciao,
Davide