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环境部署

确保python版本至少是2.7以上的（ubuntu 18默认的是python3，理论上可以，我测试的也可以）

# Get the emsdk repogit clone https://github.com/emscripten-core/emsdk.git# Enter that directorycd emsdk# Download and install the VERSION SDK tools.# 可以安装一个最新版，也可以指定版本，为了后续的维护，建议指定版本#./emsdk install latest./emsdk install 1.38.45# Make the "latest" SDK "active" for the current user. (writes ~/.emscripten file)./emsdk activate 1.38.45# Activate PATH and other environment variables in the current terminalsource ./emsdk_env.sh# Get a specific version using the upstream backend.#./emsdk install latest-upstream# Get a specific version using the fastcomp backend.#./emsdk install 1.38.45-fastcomp# Install CMake (optional, only needed for tests and building Binaryen)sudo apt-get install cmakesudo apt-get install python2.7# Install Java (optional, only needed for Closure Compiler minification)sudo apt-get install default-jre

Hello World

hello.c

#include 
   
    int main(int argc, char ** argv) {
   	printf("Hello, world!\n");}
   

emcc hello.c -s WASM=1 -o hello.html

可能遇到的问题：

sudo apt-get install python3-distutils

emrun --no_browser --port 8080 .

或者使用python的

python -m http.server 8000

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