* Add the ability to declare safe tools in a cross-build environment.
* Add an xfail if cmake isn't available on the test machine.
* Placate linter regarding positional args.
* Rework test to provide more robust confirmation of safe tools.
* Remove a test skip condition that is no longer needed.
Co-authored-by: Joe Rickerby <joerick@mac.com>
* Rename the setting to xbuild-tools.
* Add docs to clarify that xbuild-tools is transitive.
* Raise a warning if xbuild-tools isn't defined.
* Correct a bad copy-paste in the schema generator.
* .. and now fix the indentation.
* Move sentinel handling earlier into the parsing process.
* Remove serialization from tests that won't start a test suite.
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Co-authored-by: Joe Rickerby <joerick@mac.com>
