+1
For those interested in compiling on current debian (sid), I found these dependencies:
libbabl-dev
libexempi-dev
libgfbgraph-0.2-dev
libgegl-dev
libgnome-desktop-3-dev
libgrilo-0.2-dev
libtracker-control-1.0-dev
libtracker-sparql-1.0-dev
Commands:
cd gnome-photos
git checkout 3.12.1 # otherwise it requires version 3.13 of gtk
./autogen.sh
make
sudo make install