Re: [Vala] Vala for embedded systems, IDEs, debugging

[Thomas Jollans <t jollybox de>]

I wouldn't know. 

Adrian Stern <adrian stern screenfood com> wrote:

> But didn't they drop the POSIX Profile with Vala 0.17.4?
>
>
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> Adrian Stern
>
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> -----Ursprüngliche Nachricht-----
> Von: vala-list-bounces gnome org [mailto:vala-list-bounces gnome org] Im Auftrag von Thomas Jollans
> Gesendet: Dienstag, 11. September 2012 17:12
> An: vala-list gnome org
> Betreff: Re: [Vala] Vala for embedded systems, IDEs, debugging
>
>
> > -----Ursprüngliche Nachricht-----
> > Von: vala-list-bounces gnome org [mailto:vala-list-bounces gnome org]
> > Im Auftrag von Joe Dluzen
> > Gesendet: Montag, 10. September 2012 16:32
> > An: vala-list gnome org
> > Betreff: [Vala] Vala for embedded systems, IDEs, debugging
> >
> > Hi all,
> >
> > I've been following Vala for some time now, and am interested in using
> > it for embedded systems. Does anyone else have experience with that?
> > I'd like to hear both good and bad experiences.
>
> On Tue, 11 Sep 2012 11:15:43 +0000, Adrian Stern wrote:
> > Hey There
> >
> > I'am also very intressted in hearing about this. Does vala work on the
> > ARMv6 architecture?
>
>
> Vala is not specific to any processor architecture. Vala code is  compiled to C code, which is then 
> compiled by GCC to machine code. GCC  has good support for cross-compiling, so with a suitably powerful 
> build  system that knows how to call valac and a cross-gcc, (the autotools will  do the trick if used 
> properly) the language is not an issue.
>
> So the more interesting question is: can and do you want to use glib?
> Vala is generally used with glib/gobject, and many of its features  require linking against glib (which may 
> be impractical on your embedded  system, depending on the specs/requirements), but valac does have a  POSIX 
> profile, which will generate POSIX-compliant C code without the  glib dependency. See  
> http://stackoverflow.com/questions/9550000/can-vala-be-used-without-gobject
>
> So - using Vala on an embedded system is quite possible, but if you  choose to forego glib, you will have 
> to make do without many of Vala's  object-oriented features.
>
> > I have some related questions I hope to get some answers for:
> >
> > Is remote debugging supported?
>
> Vala can be debugged with gdb. gdb is the swiss army knife of
> debugging, embedded/remote included.
>
> > How is the IDE support? I checked the tools section of the website,
> > the most up to date one seemed to be MonoDevelop.
>
> IDE support is dismal. If you want integrated editing and debugging,
> your options are Anjuta and MonoDevelop, and from a brief look a few
> months ago, Anjuta's Vala support is quite limited, and MonoDevelop's
> Vala support is somewhat broken. (it looks like it used to be good, and
> then things changed, but I don't know)
>
> > What about crash dumps, is there debugging support for them?
>
> I'm not sure about that, but in general, you can use all features of
> gdb and nemiver (a graphical front-end to gdb, and probably the most
> pleasant Vala debugging experience around at this point) with Vala, but
> will be quite aware of the fact that you're actually debugging C code
> with Vala source line number annotations.
>
> Thomas
>
>
>
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