CMake Warning \(dev\) at CMP0044-WARN.cmake:13 \(target_compile_definitions\): Policy CMP0044 is not set: Case sensitive _COMPILER_ID generator expressions. Run "cmake --help-policy CMP0044" for policy details. Use the cmake_policy command to set the policy and suppress this warning. Call Stack \(most recent call first\): CMakeLists.txt:3 \(include\) This warning is for project developers. Use -Wno-dev to suppress it.