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

I wouldn't know. 

Adrian Stern <adrian stern screenfood com> wrote:

But didn't they drop the POSIX Profile with Vala 0.17.4?

Freundliche Grüsse / Best Regards / Meilleures salutations
Adrian Stern


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

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.


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