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List:       cairo-bugs
Subject:    [cairo-bugs] [Bug 28330] Cairo 1.8.10 fails to compile
From:       bugzilla-daemon () freedesktop ! org
Date:       2010-05-31 18:10:07
Message-ID: 20100531181007.8D257130079 () annarchy ! freedesktop ! org
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https://bugs.freedesktop.org/show_bug.cgi?id=28330

a@jenisch.at changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTABUG

--- Comment #2 from a@jenisch.at 2010-05-31 11:10:02 PDT ---
(In reply to comment #1)
> If you can answer the question how did it detect the png headers during
> configure but fail to include the relevant directory during compile, you've
> solved the problem.
> 
> There should be a config.log which hopefully will give the details of the png
> tests.

Hi Chris,

Thanks much for pointing me in the right direction (config.log):

...
configure:22497: checking for cairo's PNG functions feature
configure:22530: checking for png
configure:22537: $PKG_CONFIG --exists --print-errors "$png_REQUIRES"
gnome-config: not found
Package libpng was not found in the pkg-config search path.
Perhaps you should add the directory containing `libpng.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libpng' found
configure:22540: $? = 1
...

libpng (/usr/ports/graphics/png) was installed on the system in question, but
for some reason /usr/local/libdata/pkgconfig/libpng.pc was missing which is
just a link to /usr/local/libdata/pkgconfig/libpng14.pc.

I re-installed the "png"-port and now cairo is happy again.

Thanks again for your help!

-ewald

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