Bug#821122: [libgtk-3-dev] Missing dependencies accordingly to pkg-config

[Michael Biebl]

Am 15.04.2016 um 20:34 schrieb Alexandre Pereira Nunes:
> Package: libgtk-3-dev
> Version: 3.18.9-1
> Severity: grave
> 
> $ pkg-config gtk+-3.0 --cflags
> 
> Package libpng16 was not found in the pkg-config search path.
> Perhaps you should add the directory containing `libpng16.pc'
> to the PKG_CONFIG_PATH environment variable
> Package 'libpng16', required by 'gdk-pixbuf-2.0', not found

Please use --debug and attach the output.
This smells like a duplicate of

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=819779
-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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