I think there is all right. The only problem you are lack of the specified
If 'ldconfig -p | grep libdjvulibre.so.15' displays the library, so it is
either mystics or the symlink is broken and you can try to amend it.
Try to find it out. Look for any libdjvulibre*so* library. If you cannot find
it neither in the /usr/lib nor in the /usr/local/lib, so you should use
"find / -name libdjvulibre\*so\*".
If you find that library.
So ensure it outputs exactly libdjvulibre.so.15.
If it does not, create the symlink with the such name, pointing to
libdjvulibre.so or something like.
If it does, then ensure the directory entry, it is located in, listed in the
file ld.so.conf. If it does not - add it. If it does - I do not know what to
After any changes run ldconfig.
If you cannot find that library.
You should install particular package which contains the library.