Re: [PATCH v2 03/18] modules: add qemu-modinfo utility

[Gerd Hoffmann]

> > > A Python script could parse compile_commands.json, add -E -DQEMU_MODINFO 
> > > to
> > > the command-line option, and look in the output for the metadata.
> > 
> > Hmm, worth trying, although I guess it would be easier to code this up
> > straight in meson.build and pull the information you need out of the
> > source set, especially as you'll know then which source files are
> > compiled into which module.
> 
> Hmm, looks like I actually need both.  Seems there is no easy way to get
> the cflags out of a source_set to construct a cpp command line.  Pulling
> this out of compile_commands.json with jq works though.

Well, easy until I look at target-specific modules where the
"source file" -> "command" mapping isn't unique any more.  Which makes
this route less attractive ...

Any idea on getting the cflags in meson.build  Or maybe I can somehow
ask meson to run the cpp pass only for a given source set?

thanks,
  Gerd