Do something with `output` field

[SIGFUN]

clangd documents an output field for a command object in compile_commands.json, but it doesn't appear to do anything with it. I'd like to use this field (or something similar) for its intended purpose, which is to support different ways of compiling the same file (e.g. different architectures, compiler flags in different targets).

Note that this does not have to be scoped to a file -- I am happy to switch the entire project to a particular build configuration so clangd can keep distinct caches for each one.

Discussion on Discord here.

[llvmbot]

@llvm/issue-subscribers-clangd

Author: Damien Sorresso (SIGFUN)

clangd [documents](https://clang.llvm.org/docs/JSONCompilationDatabase.html) an `output` field for a command object in `compile_commands.json`, but it doesn't appear to do anything with it. I'd like to use this field (or something similar) for its intended purpose, which is to support different ways of compiling the same file (e.g. different architectures, compiler flags in different targets).

Note that this does not have to be scoped to a file -- I am happy to switch the entire project to a particular build configuration so clangd can keep distinct caches for each one.

Discussion on Discord here.