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I recently downloaded a binary of Blender, and upon running it on got the following error:

jdphenix@jdphenix:~/blender/blender_59865$ ./blender
./blender: error while loading shared libraries: libpng15.so.15: cannot open shared object file: No such file or directory

My first thought was to search for libpng using apt-cache, but no versions matched what Blender was looking for, so I downloaded the libpng v15 source from http://sourceforge.net/projects/libpng/files/libpng15/ and built it using the normal ./configure, make install type routine.

After this, I still got the same error, so I checked whereis:

jdphenix@jdphenix:~/blender/blender_59865$ whereis libpng15.so.15
libpng15.so: /usr/local/lib/libpng15.so /usr/local/lib/libpng15.so.15

It where I expected it to be. Checked http://wiki.blender.org/index.php/Doc:2.6/Manual/Introduction/Installing_Blender/DirectoryLayout and saw blender --help. No dice, because it requires libpng15.so.15 to even do that.

At this point, I feel that I might be missing something fundamental here. Is there something else I can break/unbreak/try to get this up and running?

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Try to make symbolic link in /usr/lib: ln -s /usr/local/lib/libpng15.so /usr/lib. –  Danatela Sep 9 '13 at 5:29
@Danatela this did it, please make it an answer so I can vote and accept –  jdphenix Sep 9 '13 at 5:31

1 Answer 1

up vote 2 down vote accepted

OK, it seems that Blender seeks this library inside /usr/lib instead of /usr/local/lib. The answer is trivial: make there symbolic link:

sudo ln -s /usr/local/lib/libpng15.so /usr/lib

Else, you can change prefix while ./configure your libpng.so:

./configure --prefix=/usr

Thus make install will install libpng15.so direct into /usr/lib.

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Something else ended up panning out quite nicely - I just installed the blender package from the official ppa (sudo apt-get install blender), it took care of the dependencies in one install step. I'm even able to compile without much work after that :) –  jdphenix Sep 17 '13 at 0:52

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