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From: Stephen Leake <stephen_leake@acm.org>
Newsgroups: comp.lang.ada
Subject: Re: GNAT Project Files?
Date: Sat, 25 Jun 2005 20:08:12 -0400
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Date: 2005-06-25T20:08:12-04:00

Pascal Obry <pascal@obry.net> writes:

> Jacob Sparre Andersen <sparre@nbi.dk> writes:
>
>> More precisely:
>> 
>>    package Linker is
>>       for Switches ("test_word_buffer.adb") use ("-laws", "-lcharles");
>>    end Linker;
>> 
>> Thanks.
>
> This is not right. If the above works it means that the AWS project file is
> wrong. 

I don't think so. Clearly aws.gpr does not know about
test_word_buffer.adb.

I don't think there is a project file syntax for "use this library
for all executables". Perhaps there should be.

One solution is to use 'pragma Linker ("-laws")' in the Ada source for aws.

Hmm. Maybe you could do (in aws.gpr):

package Linker is
    for Default_Switches ("Ada") use ("-laws");
end Linker;

Then in a user project file you can do:

package Linker
    for Switches ("test_word_buffer.adb") use
       Aws.Linker.Default_Switches;
end Linker;

Better, but still not automatic.

'gprmake' (in GNAT 5.03a) can build both C and Ada code, and link them
together. But that's not quite what you want here, I think.

> How aws.gpr was built ? Which AWS version are you using ? The whole
> point of the Project File is to deal with those issues for you.

Maybe I've missed something; how do you expect the project file to
work here?

-- 
-- Stephe