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From: Ludovic Brenta <ludovic@ludovic-brenta.org>
Newsgroups: comp.lang.ada
Subject: Re: architecture-independent GNAT project files?
Date: Thu, 30 Apr 2009 05:31:21 -0700 (PDT)
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On Apr 30, 2:17=A0pm, Bj=F6rn Persson <bj...@xn--rombobjrn-67a.se> wrote:
> Dmitry A. Kazakov wrote:
[...]
> > =A0 =A0package Ide is
> > =A0 =A0 =A0 case Platform is
> > =A0 =A0 =A0 =A0 =A0when "x86_Windows" =3D>
> > =A0 =A0 =A0 =A0 =A0 =A0 for Gnatlist use "gnatls";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Gnat use "gnat";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Compiler_Command ("ada") use "gnatmake";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Debugger_Command use "gdb";
> > =A0 =A0 =A0 =A0 =A0when "x86_VxWorks" =3D>
> > =A0 =A0 =A0 =A0 =A0 =A0 for Gnatlist use "i586-wrs-vxworks-gnatls";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Gnat use "i586-wrs-vxworks-gnat";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Compiler_Command ("ada") use "i586-wrs-vxwo=
rks-gnatmake";
> > =A0 =A0 =A0 =A0 =A0 =A0 for Debugger_Command use "i586-wrs-vxworks6-gdb=
";
> > =A0 =A0 =A0 end case;
> > =A0 =A0end Ide;
>
> > This changes gnatlist, gnat, gnatmake, everything...
>
> Is that a new feature that hasn't been merged into GCC yet? I don't see
> those attributes in the GNAT User's Guide of GCC 4.4.0.
>
> Are those attributes only for GPS or does the "gnat" driver actually invo=
ke
> the VxWorks version of itself if you run
> "gnat -P project -XPlatform=3Dx86_VxWorks"?
>
> I was thinking you'd run "i586-wrs-vxworks-gnatmake -P project" from a
> command prompt, and i586-wrs-vxworks-gnatmake would set Platform
> to "x86_VxWorks" (or more likely "i586-wrs-vxworks").

The package IDE in project files is for use by GPS; GPS parses it and
uses the supplied command names when invoking the compiler, binder,
linker etc. Gnatmake ignores this package, so your example wouldn't
work.

--
Ludovic Brenta.