[tlbuild] Bug in libpng affecting Solaris 10

Mojca Miklavec mojca.miklavec.lists at gmail.com
Tue Mar 15 16:48:10 CET 2016

Dear Karl,

The upstream accepted a patch for the problem below:

Would it be possible to include it into TL sources to avoid having to
set additional flags when building on Solaris?

(I would in fact be interested in case that the patch has some
undesired side effects on other exotic platforms.)


On 20 January 2016 at 17:10, Karl Berry wrote:
>     If you don't want to apply this to the sources, can you please at
>     least send me an attempt of a TeX Live-specific patch that does this?
> Try running make LIBPNG_USER_CPPFLAGS="-Dwhatever ...".
> I just added that variable to libpng/Makefile[.am] for this purpose.
> I don't think it's a good idea to start trying to embed
> compiler-version-specific system-version-specific package-version-specific
> build options into the Makefiles.  Many builds require various options
> (I'd like to know about them to record them in source/README, if not
> already there) and I don't see anything to be gained by putting autoconf
> (and me) into the loop of defining them.
> k

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