Re: Headerscheck support for meson

On 2026-Feb-17, Andres Freund wrote:

> I also think that eventually we should do what you alluded to in a comment,
> namely make headerscheck an explicit part of the build system, with proper
> support for dependencies and parallelism.

How would that work? I imagine that there would be a script or program
that takes a single .h file as argument and returns OK or fail for it;
then meson knows to run that script once for every .h file in the tree.

How to construct the list of files might also be a separate simple
script that just does "git ls-files *.h" then filters out the files we
know can't pass the compile.

Would it make sense to split our current script into a bunch of smaller
ones that each does one of these things, so that they can be reused by
a Meson target in a way that's more convenient? In Make we would just
call some wrapper script that simply calls the others to do the full job
in a single pass, the way it is now.

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