Jan
It seems that the cause for the ENOSYS error was that I loaded the wrong RTAI
modules: both RTAI_LXRT and RTAI_UP was loaded (I blame it on my script!). When
I only have RTAI_LXRT this error goes away (another one takes its place, but
that is the subject of another thread...).
On another point - I installed gcc-3.3.6, and re-compiled everything. I did the
"make oldconfig CC=gcc-3.3.6" + "make" sequence, and it seemed to work for the
kernel and RTAI, but RTnet still used the other gcc ("gcc", not "gcc-3.3.6")
for at least some tasks (I still got the warnings about the compiler version,
at least). I renamed "gcc" and replaced it with a symlink to "gcc-3.3.6", and
then the warnings went away. So, to make a long story short, I think "gcc" is
hard-coded somewhere in the make script?
Thinus
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: 03 August 2006 09:29
To: Thinus Viljoen
Cc: rtnet-users@lists.sourceforge.net
Subject: Re: [RTnet-users] RTnet in RTAI kernel space
Thinus Viljoen wrote:
> Hi
>
> I want to install an older version of gcc, and see if it solves some of my
> problems. I have the following questions:
>
> 1. Which version of gcc should I install? I saw somewhere that >=3.2 is
> recommended - is the latest 3.x version (3.4.6) the best, or is an earlier
> version perhaps better? (Which version are you using?)
I have a gcc-3.3.6 here (debian) for testing under 2.4 kernels. I cannot
comment on 3.3 vs. 3.4.
>
> 2. Do I need to recompile everything with the newly installed gcc (patched
> kernel, RTAI, RTnet)?
Definitely yes (wrt/ kernel code).
>
> 3. From the RTAI user manual it seems that the re-compilation process for
> RTAI consists of running
> "make reconfig CC=/my/favorite/c/compiler", and then "make". Is the process
> for RTnet and the patched kernel identical? Or should I simply change a
> symlink for gcc somewhere and re-build all?
"make oldconfig CC=gcc-whatever" + "make" should do it. If you want to
be really sure, run a "make clean" first.
Jan
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