libpng "png_set_longjmp_fn" not found
c++, compiler-errors, libpng
Solution
Perhaps you have built with libpng-1.6.8 but are linking to an earlier version of libpng. The "png_set_longjmp_fn()" API was introduced in libpng-1.4.x. Ubuntu 13:10 currently comes with libpng-1.2.49 (see /usr/include/libpng12), which does not supply png_set_longjmp_fn().
Problem
I'm using libpng from ubuntu and when I try to compile a c++ file I get undefined reference to `png_set_longjmp_fn' I'm using libpng version 1.6.8 If you are interested in reading the code please let me know, but I do not this has to do with my bad code. Thank you in advance.