Merge "floss: refuse to build if bootstrapped for a different project"

        # Output and platform directories are based on bootstrap

        self.output_dir = os.path.join(self.bootstrap_dir, 'output')

        self.platform_dir = os.path.join(self.bootstrap_dir, 'staging')

        self.bt_dir = os.path.join(self.platform_dir, 'bt')

        self.sysroot = self.args.sysroot

        self.libdir = self.args.libdir

        self.install_dir = os.path.join(self.output_dir, 'install')

        assert os.path.samefile(self.bt_dir,

                                os.path.dirname(__file__)), "Please rerun bootstrap for the current project!"

        # If default target isn't set, build everything

        self.target = 'all'

        if hasattr(self.args, 'target') and self.args.target: