系统环境： ubuntu 20.04 LTS
安装必要工具：
sudo apt-get install git-core gnupg flex bison gperf build-essential zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache libgl1-mesa-dev libxml2-utils xsltproc unzip openjdk-8-jdk libtinfo-dev libncurses-dev libncurses5 libssl-dev修改BaseTools路径：
cd bootable/bootloader/edk2
rm -rf Conf/BuildEnv.sh
unset EDK_TOOLS_PATH
./edksetup.sh BaseTools
cd -开始编译吧：
source build/envsetup.sh
lunch xxx
make -j40等等……
需要LLVM?
sudo bash -c "$(wget -O - https://apt.llvm.org/llvm.sh)"