CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/bin/sh: 1: xmllint: not found
ERROR: libxml2/2.9.9 (test package): Error in test() method, line 22
	self.run("xmllint --version", run_environment=True)
	ConanException: Error 127 while executing xmllint --version