Bug#717076: tech-ctte: Decide what jpeg library the Debian project will use

[Ian Jackson <ijackson@chiark.greenend.org.uk>]

Simon McVittie writes ("Bug#717076: tech-ctte: Decide what jpeg library the Debian project will use"):
> Upstream's solution was to bundle libjpeg-6b plus a copy of the memory source,
> then later to upgrade their bundled libjpeg to libjpeg-8c. Debian's solution
> was to use upstreams' embedded code copy of libjpeg (yes I know that's bad),
> then to use upstream's bundled memory source but not the rest of the embedded
> code copy, then finally to switch to libjpeg8. See
> <http://bugs.debian.org/623462>.
> 
> We could go back to using an embedded code copy of jpeg_mem_src if we really
> need to, but, ugh.

Perhaps we could just patch our libjpeg6b to have the necessary
function.  It sounds like an API deficiency that it's missing.

Ian.