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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Exporting linker options from library GPR
Date: Fri, 19 Jan 2018 17:10:45 +0100
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Date: 2018-01-19T17:10:45+01:00
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On 2018-01-19 15:25, Simon Wright wrote:
> I'm working with SDLAda, thanks Luke, on macOS, using a prebuilt SDL2,
> which comes as a framework.

[...]

> These workrounds are all very well, but is there any way of telling the
> final linker to add these switches automatically?

AFAIK it should be

    for Library_Options use ...

and/or

    for Leading_Library_Options use ...

in the library project to be specified in "with".

And you cannot have build-library and with-library project files same. 
At least I never managed that.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de