`setup_dependent_build_environment(self, env, dependent_spec)` does not have a variable `spec`.
This causes several issues right now:
```console
==> Installing gaudi-36.6-cjjrpjwpcqrtojyrdqml3jpzkbn55hpb
==> No binary for gaudi-36.6-cjjrpjwpcqrtojyrdqml3jpzkbn55hpb found: installing from source
==> Error: NameError: name 'spec' is not defined
/home/wdconinc/git/spack/var/spack/repos/builtin/packages/root/package.py:614, in setup_dependent_build_environment:
611 env.prepend_path("ROOT_INCLUDE_PATH", dependent_spec.prefix.include)
612 if "+rpath" not in self.spec:
613 env.prepend_path("LD_LIBRARY_PATH", self.prefix.lib.root)
>> 614 if "platform=darwin" in spec:
615 # Newer deployment targets cause fatal errors in rootcling
616 env.unset("MACOSX_DEPLOYMENT_TARGET")
```