ubuntu18.04 安装 clang-10

官方链接:
https://apt.llvm.org/

添加key:

wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|sudo apt-key add -

添加源:

sudo vim /etc/apt/source.list.d/llvm-10.list
sudo apt update

安装:

sudo apt install clang-10
# 安装 AST.h 等头文件
sudo apt install libclang-10-dev

配置为默认的clang

sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-10 10000
sudo update-alternatives --install /usr/bin/clang++ clang++ /usr/bin/clang++-10 10000
sudo update-alternatives --install /usr/bin/llvm-config llvm-config /usr/bin/llvm-config-10 10000