Re: libpng 1.4.x

[Chong Yidong]

"Herbert J. Skuhra" <address@hidden> writes:

> I am running Arch Linux with testing repositories enabled.
> Recently libpng was updated to 1.4.0 and now Emacs no longer builds.
>
> There is a patch availabe (by Eric Bélanger):
>
> http://repos.archlinux.org/wsvn/packages/emacs/trunk/libpng14.patch
>
> I slightly modified the patch so that it only applies to libpng-1.4.x,
> although it seems that it also works for libpng-1.2.x.
>
> Is there a better fix?

No, the fix looks correct, and I've checked it in.  Thanks for pointing
it out.

(To be absolutely safe, we could check for the availability of
png_sig_cmp in our configure script, but I don't think it's worthwhile
for us to clean up after the libpng developers.)