问require.js shim选项在使用r.js和“空：”时不起作用

EN

//file js/main.js
require.config({
        baseUrl: 'js',
        paths: {
                'jquery': '//cdn.bootcss.com/jquery/1.11.3/jquery.js'
        },
        shim: {
                'p': ['jquery']
        }
});

require(['jquery', 'p'], function($) {
        alert(222);
});


//file js/p.js
//this is an jquery plugin which does not support AMD
alert($().jquery);


//file build.js
({
        baseUrl: "js",
        name: "main",
        out: "app.js",
        paths: {jquery: "empty:"}
})

`Uncaught ReferenceError: $ is not defined(anonymous function) @ app.js:1`

//file js/main.js
require.config({
        baseUrl: 'js',
        paths: {
                'jquery': 'jquery.js'
        },
        shim: {
                'p': ['jquery']
        }
});

require(['jquery', 'p'], function($) {
        alert(222);
});


//file js/p.js
alert($().jquery);


//file build.js
({
        baseUrl: "js",
        name: "main",
        out: "app.js",
        paths: {jquery: "jquery"}
})