CMake Warning \(dev\) at CMP0037-WARN-space.cmake:2 \(add_library\):
  Policy CMP0037 is not set: Target names should match a validity pattern.
  Run "cmake --help-policy CMP0037" for policy details.  Use the cmake_policy
  command to set the policy and suppress this warning.

  The target name "lib with spaces" is not valid for certain CMake features,
  such as generator expressions, and may result in undefined behavior.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
This warning is for project developers.  Use -Wno-dev to suppress it.
+
CMake Warning \(dev\) at CMP0037-WARN-space.cmake:3 \(add_executable\):
  Policy CMP0037 is not set: Target names should match a validity pattern.
  Run "cmake --help-policy CMP0037" for policy details.  Use the cmake_policy
  command to set the policy and suppress this warning.

  The target name "exe with spaces" is not valid for certain CMake features,
  such as generator expressions, and may result in undefined behavior.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)
This warning is for project developers.  Use -Wno-dev to suppress it.