Error under ubuntu:

[zhangfq-chemistry]

-- Configuring done
CMake Error at cmake/homework.cmake:10 (add_executable):
Cannot find source file:

/home/zhangfq/disk1/bgfx/BGFX-Example/homework/homework.cpp

Tried extensions .c .C .c++ .cc .cpp .cxx .cu .m .M .mm .h .hh .h++ .hm
.hpp .hxx .in .txx
Call Stack (most recent call first):
CMakeLists.txt:49 (include)

CMake Error at cmake/homework.cmake:10 (add_executable):
No SOURCES given to target: homework
Call Stack (most recent call first):
CMakeLists.txt:49 (include)