It doesn't look like any of the header files are checked in.
$ make
Scanning dependencies of target SilverSprintApp
[ 50%] Building CXX object CMakeFiles/SilverSprintApp.dir/home/jonfen/dev/github.com/cinder/Cinder/samples/SilverSprint/src/SilverSprintApp.cpp.o
/home/jonfen/dev/github.com/cinder/Cinder/samples/SilverSprint/src/SilverSprintApp.cpp:5:10: fatal error: 'app/GFXMain.h' file not
found
It doesn't look like any of the header files are checked in.
$ make Scanning dependencies of target SilverSprintApp [ 50%] Building CXX object CMakeFiles/SilverSprintApp.dir/home/jonfen/dev/github.com/cinder/Cinder/samples/SilverSprint/src/SilverSprintApp.cpp.o /home/jonfen/dev/github.com/cinder/Cinder/samples/SilverSprint/src/SilverSprintApp.cpp:5:10: fatal error: 'app/GFXMain.h' file not found
include "app/GFXMain.h"