Re: Problem to compile Opal

[Ivan Vučica]

Assuming it's this file (you didn't specify):
http://svn.gna.org/svn/gnustep/libs/opal/trunk/Source/OpalGraphics/image/OPImageCodecPNG.m

You didn't specify a version of libpng either.

It's a red herring that it's an unavailable function. This looks like it's a macro; here's from pngconf.h.

456 #define png_sizeof(x) (sizeof (x))

We should either replace it with a sizeof() or make sure to include the correct header.

On Wed, Jan 18, 2017 at 7:14 AM, Germán Arias <germanandre@gmx.es> wrote:

Hi, I'm trying to compile Opal at FreeBSD 11, but when link I get the
error "Undefined reference to 'png_sizeof' at libpng". I suppose this
is not available in recent version of libpng.

Germán


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