vscode插件：clangd
关闭c++的代码补全等功能
json
"C_Cpp.intelliSenseEngine": "Disabled"生成compile_commands.json文件
基于cmake
bash
// CMakeLists.txt
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)基于make
pip install compiledb
compiledb -n make -C build
或者
compiledb make -C build
基于bear
bear -- make
brew install icu4c
export PKG_CONFIG_PATH="/usr/local/opt/icu4c/lib/pkgconfig"