I tried to install XnView and discover several bugs in the get-xnviewmp script:
1. After uncompressing the tarball, the script tries to cd to XnViewMP, which btw non-existant cos for some reason, the tarball include a XnView directory instead
2. When building the tazpkg, the script tries to move xnview file to the temp dir, but failed cos now the filename is XnView instead of all lowercase
3. After successfully created the tazpkg and install it, xnview fails to run cos apparently now it has dependencies to libgstapp-0.10.so, which apparently included in the gst-plugin-base package.
After that, xnview works (though still cannot read rar/zip/cbr/cbz @!#@#@!@##)