add pybind.h to inference lib for static link #10690
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| 现在的静态库已经不需要使用 Paddle/paddle/fluid/inference/io.cc Line 23 in 8b1b756 |
| @Xreki 但是pybind.h不在inference lib里边，直接include会挂，这个pr就是把这个文件拷贝进去的 |
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task list: #10574
目前我们让用户使用paddle的lib的时候，如果是静态连接的方式，则使用
-Wl,--whole-archive的方式进行链接，这样libpaddle_fluid.a中的所有内容都会被连接到目标文件中。如果提供了pybind.h中的USE_OP的列表，则用户可以不使用
-Wl,--whole-archive的方式进行link，而是按照他的需求link一部分op进去，方便做裁剪，好处是用户的二进制会变小，因为只link了lib中的一部分。相当于给了用户多一种选择。