A library that can be LD_PRELOADed to prevent an application built with libhandy from forcing a specific theme.
LD_PRELOAD=libhandy-no-force-theme.so.0 eog
To install globally, make sure that cmake is called with the correct prefix set as follows:
cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr
sudo make install
If the library is installed in /usr/local
then every time sudo is called, it will throw a warning about not being able to load it as 51libhandy-no-force-theme
will attempt to LD_PRELOAD it to every application.