1、事件通知库libevent
./configure --prefix=/home/arm-libevent/ --host=arm-none-linux-gnueabi CC=arm-none-linux-gnueabi-gcc CXX=arm-none-linux-gnueabi-g++
//添加ssl
./configure --prefix=/home/arm-libevent/ --host=arm-none-linux-gnueabi CC=arm-none-linux-gnueabi-gcc CXX=arm-none-linux-gnueabi-g++ CPPFLAGS="-I/home/arm-libssl/include" LDFLAGS="-L/home/arm-libssl/lib -lssl -lcrypto"
2、web服务器，lighttp
https://blog.csdn.net/djstavav/article/details/88526586
https://www.cnblogs.com/beacer/archive/2012/09/16/2687889.html
https://blog.csdn.net/huntinux/article/details/51249804
3、busybox
当执行/bin/cat的时候，实际执行的是/bin/busybox。这里busybox的argv[0]为/bin/cat。/bin/busybox内部，利用
argv[0]将cat Applet启动，执行cat命令
https://blog.csdn.net/feelinghappy/article/details/92133067
3、curl
// --enable-static --without-zlib
./configure --prefix=/home/arm-curl --host=arm-none-linux CC=arm-none-linux-gnueabi-gcc
4、lwebsocket
cd libwebsockets
mkdir build
cd build
cmake .. -DCMAKE_BUILD_TYPE=DEBUG -DCMAKE_INSTALL_PREFIX=/home/libwebsocket_x86