[Tinyos Core WG] toolchain rationale

[Joe Polastre]

The next boomerang will probably also have a $(NESCDIR) as well.
Turns out to be useful :)

-Joe

On 11/17/06, Jan Beutel <j.beutel at ieee.org> wrote:
> On Fri, 2006-11-17 at 09:20 -0800, David Gay wrote:
> > On 11/17/06, Jan Beutel <j.beutel at ieee.org> wrote:
> > > > And while I'm on the topic of supporting tools: I am no longer in the
> > > > business of building and testing them. So if you, or anybody else,
> > > > wants to take over that task and fix these various issues, I'm sure
> > > > everybody will be happy :-) (especially as time passes and the current
> > > > tools become more obsolete).
> > >
> > > ok david. thanx for the offer. you will hear from me...
> > >
> > > basically there are two issues with the current toolchain that make it
> > > cumbersome to install/move:
> > >
> > > - avr-libc has deprecated avr/signal.h in versions > 1.4.x
> > > - ncc and nescc assume absolute install paths
> >
> > - We should ensure the T2 tree builds with the latest tools when
> > possible (the problem is that tends to lead to situations where it
> > stops working with older tools :-().
> > - Our tools should, whenever reasonable, work with all extant versions
> > of tos (e.g., the T2 tools do work for T1, though it does require some
> > minor patches that are in CVS only, as there hasn't been a T1 minor
> > release in ages)
> >
> > Which ncc/nescc absolute paths are the problem? The usual one people
> > complain about is the TinyOS path, but ncc has several mechanisms for
> > overriding that (and the alternative "no absolute path" is no better,
> > as it just means you keep the overriding mechanisms and drop the
> > default value ;-))
>
> this is a snippet from boomerangs ncc where the absolute TOSDIR was
> removed by an environment test. something similar needs to be done in
> nescc-mig
>
> # Configuration
> #$TOSDIR = "/opt/tinyos-2.x/tos";
> $TOSDIR = $ENV{"TOSDIR"} if defined($ENV{"TOSDIR"});
> $nescc = "/opt/moteiv/usr/bin/nescc";
> $tossim = 0;
>
> # Support platform directory renaming for 2.x
> if (-d "$TOSDIR/platform") {
>     $platform = "platform";
> }
> else {
>     $platform = "platforms";
>
> i am on my way to figure out all these problems but i guess that it will
> be hard to do a "clean" relocatable tools release in a binary form
> (win/linux) that works for all.
>
> first i will give it a try to compile all from
> http://www.tinyos.net/dist-2.0.0/tools/source/
> using one script and one prefix.... then we can see from there...
>
> jb
>
>
>
>
> --
> Dr. Jan Beutel                              j.beutel at ieee.org
> Computer Engineering and Networks Laboratory, ETZ G75
> ETH Zurich                             +41 44 632 70 32 Phone
> Gloriastrasse 35                         +41 44 632 10 35 Fax
> CH 8092 Zurich/Switzerland  http://www.tik.ee.ethz.ch/~beutel
>
>
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