RE: [ECOS] which gcc toolchain to use ?

["Harsha D" <harshad@sanyo.co.in>]

Gary,

As i said earlier ... my redboot hangs in do_version.  (at the place
where the RAM range is printed).
I thought may be optimization flag was playing around..(as was in the
case of v4.0).  So just tried 
removing it.

Even then how can optimization flag effect the working of redboot as a
whole ? 


Andrew, 

I just went around looking for the toolchain and i came across this "
... some problems with gnu 
tools on cygwin... ecos on cygwin is not supported... "

And Now i have this doubt "Development on cygwin?" or "Development on
linux?".  Although i am 
more comfortable working on windows, i would definitely like to avoid
extra work needed (if its 
the case) to make it work using cygwin.


regards
hasha


-----Original Message-----
From: Gary Thomas [mailto:gary@mlbassoc.com]
Sent: 26 July 2005 18:36
To: Andrew Lunn
Cc: Harsha D; eCos Discussion
Subject: Re: [ECOS] which gcc toolchain to use ?


On Tue, 2005-07-26 at 11:48 +0200, Andrew Lunn wrote:
> On Tue, Jul 26, 2005 at 02:54:57PM +0530, Harsha D wrote:
> > Hi
> > 
> > I have been trying to port ecos on ARM9 based board.
> > I tried with gcc v4.0 (cygwin) and gcc v3.4.3
> > 
> > 
> > In my case i have observed that
> > 
> > in v4.0 > 
> > 	Removing optimization(O2) flag... redboot works
> > 	Including optimization flag... redboot fails 
> > 
> > in v3.4.2	>
> > 	Removing optimization flag... redboot FAILS
> > 	Including optimization flag... redboot works
> > 
> > 
> > also....redboot seems to hang at do_version, printing the RAM range.
> > 
> > 
> > I would like to know which is the best/suitable gcc toolchain to be
used
> > with eCos
> 
> See:
> 
> http://ecos.sourceware.org/getstart.html
> 
> Get the toolchains from there. They are known to work well.

I've also had good luck with 3.4.3.  However, I never build
without optimization (why would you want to?)

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------


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