| CMake Error at CMP0049-NEW.cmake:5 \(add_library\): | |
| Legacy variable expansion in source file "\${tgt_srcs}" expanded to | |
| "empty.cpp" in target "tgt". This behavior will be removed in a future | |
| version of CMake. | |
| Call Stack \(most recent call first\): | |
| CMakeLists.txt:3 \(include\) |