Error evaluating generator expression: \$ \$ may only be used with a limited number of policies. Currently it may be used with the following policies: \* CMP0003 \* CMP0004 \* CMP0008 \* CMP0020 \* CMP0021 \* CMP0022 \* CMP0027 \* CMP0038 \* CMP0041 \* CMP0042 \* CMP0046 \* CMP0052 \* CMP0060 \* CMP0063 \* CMP0065 \* CMP0068 Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\)