compile_Linux.md

Linux Compile on Ubuntu 18.04

1. Environment setup

   sudo apt-get install git make gcc autoconf libtool yasm cmake g++ libsdl2-dev

2. update cmake https://github.com/Kitware/CMake/releases/download/v3.16.0/cmake-3.16.0-Linux-x86_64.sh

3. use clang instead of gcc

   sudo apt-get install clang llvm
   sudo update-alternatives --config cc #select clang

4. build_external

   . setup.env
   cd external/
   ./build_external.sh Linux

5. build cmdline

   cd cmdline/
   mkdir build
   cd build
   cmake ../
   make cicadaPlayer