My current investigation shows that I can not find
The libpng12-devel package was downloaded from the devel repo for google voice and video chat.
this ^^^ package in http://packages.pardus.org.tr/pardus/2011/devel/i686/
I can only find a libpng12-devel in http://paketler.pardus-linux.org/P2011/i686/
And a look of the files of both packages with the command
pisi info package-name -fs
shows that the common files are:
The strange behavior is that I can install both packages without any conflict reports.
And to make an estimation which -devel package is needed:
Where can I find the instructions for google voice and video chat