英文:
nvim + clangd | compile_commands.json with MetaProject
问题
我正在为我的工作项目设置 nvim，该项目是使用空的 MetaProject 构建的，该项目构建了多个子项目，我遇到了 clangd 的问题。它无法识别自定义标头或类。我知道 clang 需要 compile_commands.json 才能知道要查找的位置，但当我使用 -DCMAKE_EXPORT_COMPILE_COMMANDS=ON 构建项目时，该文件不会在根目录生成，而会在多个子项目中生成多个文件。
我找到了我的项目的 compile_commands.json，但我该如何告诉 clangd 使用构建目录中的此自定义路径？
假设路径是${workspaceFolder}/MetaProject/build/1/2/3/compile_commands.json。
我是 nvim 的新手，我使用 NvChad 并额外安装了 clangd。
我想友好地请教您帮助，因为我不知道如何继续工作，没有 clangd 的话会很痛苦。
干杯！
英文:
I am setting up nvim for my work project which is built using empty MetaProject that builds multiple sub-projects and I have issue with clangd. It doesn't recognize custom headers or classes. I know that compile_commands.json is needed for clang in order to know where to look, but when I build project with -DCMAKE_EXPORT_COMPILE_COMMANDS=ON I won't have that file generated in root directory, but multiple files in multiple sub-projects.
I found compile_commands.json for my project but how can I can tell clangd this custom path in build directory?
Let's say that path is ${workspaceFolder}/MetaProject/build/1/2/3/compile_commands.json
I am new to nvim and i use NvChad + additionally installed clangd.
I would like to kindly ask you for help because I don't know how to proceed and working without clangd is a pain in the ***.
Cheers!
答案1
得分: 3
Sure, here's the translated content:
如何告诉clangd在构建目录中使用自定义路径？
来自https://clangd.llvm.org/config#compilationdatabase
.clangd
CompileFlags：
CompilationDatabase：路径由于我只在Linux上工作，我发现只需在根CMakeLists.txt中创建一个符号链接，将项目目录链接到构建目录会更加简单。像这样：
如果（THE_PROJECT_DEV） # 用于检查项目开发人员的标志
执行过程(
COMMAND ${CMAKE_COMMAND} -E create_symlink
${CMAKE_BINARY_DIR}/compile_commands.json
${CMAKE_CURRENT_SOURCE_DIR}/compile_commands.json
)
endif()
英文:
> how can I can tell clangd this custom path in build directory?
From https://clangd.llvm.org/config#compilationdatabase
# .clangd
CompileFlags:
CompilationDatabase: the path
As I work only on Linux, I found it is extremely simpler to just create a symlink from project dir to the build directory. Like so in root CMakeLists.txt
if (THE_PROJECT_DEV) # a flag to check for project developers
execute_process(
COMMAND ${CMAKE_COMMAND} -E create_symlink
${CMAKE_BINARY_DIR}/compile_commands.json
${CMAKE_CURRENT_SOURCE_DIR}/compile_commands.json
)
endif()
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