Return the env specialized for the recipe

def get_recipe_env(self, arch=None, with_flags_in_cc=True, clang=False):
        """Return the env specialized for the recipe
        """
        if arch is None:
            arch = self.filtered_archs[0]
        return arch.get_env(with_flags_in_cc=with_flags_in_cc, clang=clang)