mail/alpine new Makefile

[Marco Beishuizen]

On Fri, 9 Jun 2017, the wise Kubilay Kocak wrote:

> I haven't looked, but might this be due to:
>
> # Option PICO
> PICO_RUN_DEPENDS=        pico:editors/pico-alpine
>
> Since pico-alpine is a slave port of alpine, you'll want to make sure 
> you're overriding things correctly, and something that was replaced with 
> an options helper may have changed that behaviour (where previously it 
> was conditional)

Got finally a working Makefile:

- removed all .include lines except for ".include <bsd.port.mk>" at the 
end. The ".include <bsd.port.options.mk>" line causes make ignoring all 
options.
- removed the pico option since it's a slave port and part of mail/alpine 
anyway.
- made some adjustments for the LDAP option.

It all seems to work now and will submit the patches asap.

Thanks for the help!

Regards,
Marco
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