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From: Brian Drummond <brian@shapes.demon.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: Inspirels Ada on cortex tutorial linker issue
Date: Mon, 22 Aug 2016 11:37:22 -0000 (UTC)
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Date: 2016-08-22T11:37:22+00:00
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On Sun, 21 Aug 2016 21:00:46 -0700, Devin wrote:

> On Sunday, August 21, 2016 at 10:38:12 AM UTC-4, Maciej Sobczak wrote:
>> > I just added the code you provided directly after the Run procedure,
>> > and it linked without error. I am confused as to why it would be
>> > different from including it in a different file the way I did.
>> 
>> Let me guess - you did not compile the noexceptionhandling.adb file 
...
> Ah, you knew the issue exactly, I did not even compile it.  Now after
> compiling, I was able to link and load it onto the board properly.
> 
> It is nice to see the solution come from a pure Ada perspective as well.
>  I am very early in learning to write embedded firmware, and any
> software in general, so I greatly appreciate your help.
> 
> Devin

It's not QUITE a pure Ada perspective (IMO) ... that would involve the 
Ada compiler system tracking and automatically compiling all necessary 
dependencies.

That's what gnatmake or gprbuild do - where some languages require 
Makefiles or other out-of-the-language means to manage the dependencies.

However in this case the dependency is injected by specific versions of 
the compiler, behind Ada's back so to speak, so the Ada compiler can't 
track it for you. Even if it's written in pure Ada, the separate compile 
and linking steps are still just a workaround until the compiler gets 
fixed.

-- Brian