enable python module build in subdir

[Michael Tokarev]

09.05.2022 14:42, George Thessalonikefs via Unbound-users wrote:
> Hi Michael,
> 
> This is *a* correct place but we prefer issues/PRs through GitHub nowadays :)
> https://github.com/NLnetLabs/unbound

I see. Ok :)

> For this I would like to still keep the current directory since people may rely on that already like below:
> PYTHON_CPPFLAGS=-I. -I$(srcdir) @PYTHON_CPPFLAGS@
> 
> Does that work for you?

Yes sure that'd work.

Thanks!

/mjt