Re: [PATCH v2 3/3] build: add compile_commands.json target

On Mon, Aug 10, 2026 at 10:49:45AM +0100, George Dunlap wrote:
> Add a convenience target generating the compilation database from a
> built object tree, alongside the other developer conveniences (tags,
> cscope, cloc -- the last of which already walks the same .cmd files):
> 
>     make -C xen compile_commands.json
> 
> The output lands in the object tree root.  For an in-tree build,
> clangd and other consumers discover it there automatically when
> opening files; for an out-of-tree build, symlink it into the source
> tree root (consumers search the ancestors of the file being edited).
> 
> Note the database records the compiler invocations actually used.
> With a clang build it is consumable by clangd as-is; for a gcc build,
> clang-based tools may need a small .clangd configuration
> (CompileFlags: Remove/Add) dropping gcc-only flags.
> 
> Also add the generated file to .gitignore.
> 
> Assisted-by: LLM
> Signed-off-by: George Dunlap <[email protected]>

Reviewed-by: Anthony PERARD <[email protected]>

Thanks,


-- 
Anthony Perard | Vates XCP-ng Developer

XCP-ng & Xen Orchestra - Vates solutions

web: https://vates.tech