CMake Warning \(dev\) at CMP0030-WARN.cmake:1 \(use_mangled_mesa\):
  Policy CMP0030 is not set: The use_mangled_mesa command should not be
  called.  Run "cmake --help-policy CMP0030" 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.

CMake Error at CMP0030-WARN.cmake:1 \(use_mangled_mesa\):
  use_mangled_mesa called with incorrect number of arguments
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)