Results 2 issues of stephen

I very curiosity, what laptop you used?

**Describe the bug** Build my own FFmpeg failure. Below here is the error message ``` failed: [Errno 2] No such file or directory: './configure' emconfigure: error: './configure --prefix=/Users/stephen.kingsley/Documents/code/test/ffmpeg.wasm-core/build --host=i686-gnu --enable-static...