YaoChou

Probably yes, I had a trouble when I installed png++, couple test can not pass, but I think I install it right now. I use the latest version, png++-0.2.9. Thanks!

Here they are. linux-vdso.so.1 => (0x00007fffd0d35000) libluaT.so => /home/ecestudent/torch/install/lib/libluaT.so (0x00007f87a4d88000) libTHC.so => /home/ecestudent/torch/install/lib/libTHC.so (0x00007f87a2ae2000) libTH.so => /home/ecestudent/torch/install/lib/libTH.so (0x00007f87a2669000) libpng12.so.0 => /lib/x86_64-linux-gnu/libpng12.so.0 (0x00007f87a2443000) librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f87a223b000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f87a201d000)...

Sorry just saw your reply. I update the libpng to the newest version in my computer, but still the version of 12. So still get the same above error when...

I use the same version png++ with yours. but the libpng is 1.2.50, however, the computer shows it's already the newest version, I will re install it, see if I...