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From: AdaMagica <christoph.grein@eurocopter.com>
Newsgroups: comp.lang.ada
Subject: Re: How to leave .ali files in original library?
Date: Thu, 10 Mar 2011 22:05:17 -0800 (PST)
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Date: 2011-03-10T22:05:17-08:00
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On 10 Mrz., 22:23, "Randy Brukardt" <ra...@rrsoftware.com> wrote:
> "Ludovic Brenta" <ludo...@ludovic-brenta.org> wrote in message
>
> news:eebf3b04-6c56-4192-a0e9-958ac126e428@l2g2000prg.googlegroups.com...
>
> > localh...@example.org wrote on comp.lang.ada:
> >> Thanks...I would like to avoid using project files
>
> > Why?
>
> I can't speak for the OP, but the obvious reason is that they cause vendo=
r
> lock-in. If any significant amount of your project's functionality is tie=
d
> up in .GPR files, then that functionality is not portable to another Ada
> compiler. (.GPR files are not Ada!).
>
> That said, you practically will have to use some tool to get at least som=
e
> of that functionality for every Ada system -- but clearly the less you
> depend on it the easier porting will be. (Complex project structures in
> Janus/Ada aren't portable anywhere else, either.)
>
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Randy.

And on APEX, you have subsystems; this structure is also not portable.
I used a GNAT project file per APEX subsystem when porting. So for big
projects, you're always bound to the vendor with the structure of your
Ada sources. The idea of a standard APSE or KAPSE died long ago.