[PyQt] [SIP] Multi-platform pyproject.toml (platform dependent values)

[Phil Thompson]

On 11/12/2019 15:46, Matteo Bertini wrote:
> Hi,
> 
> I'm starting some experiments with sip5, and the single platform usage
> works like a charm (Linux, x86_64), thanks Phil!
> 
> 1) I have some platform dependent values for: `include-dirs`,
> `library-dirs` and `libraries`. The current `setup.py` file I'm porting 
> has
> some `if sys.platform`s, what is the suggested approach to reach the 
> same
> result?
> 
> I tried using this syntax
> https://www.python.org/dev/peps/pep-0566/#environment-markers:
> 
>     libraries = ["usb-1.0; 'linux' in sys_platform"]
> 
> But seems to be unsupported.

If you need to do any introspection (ie. you need to write code) then 
you need a project.py file.

> 2) I tried using paths relative to `pyproject.toml` bus sip fails not
> finding my `.h` files (found using the absolute path), what is the best
> practice here?

Configure 'include_dirs'?

Phil