Re: architecture-independent GNAT project files?

[Ludovic Brenta <ludovic@ludovic-brenta.org>]

On Apr 30, 2:17 pm, Björn Persson <bj...@xn--rombobjrn-67a.se> wrote:
> Dmitry A. Kazakov wrote:
[...]
> >    package Ide is
> >       case Platform is
> >          when "x86_Windows" =>
> >             for Gnatlist use "gnatls";
> >             for Gnat use "gnat";
> >             for Compiler_Command ("ada") use "gnatmake";
> >             for Debugger_Command use "gdb";
> >          when "x86_VxWorks" =>
> >             for Gnatlist use "i586-wrs-vxworks-gnatls";
> >             for Gnat use "i586-wrs-vxworks-gnat";
> >             for Compiler_Command ("ada") use "i586-wrs-vxworks-gnatmake";
> >             for Debugger_Command use "i586-wrs-vxworks6-gdb";
> >       end case;
> >    end 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 invoke
> the VxWorks version of itself if you run
> "gnat -P project -XPlatform=x86_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.