Subject:
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Re: Small problem compiling w/gcc-3.2 and binutils-2.12.0 with patch.
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Wed, 4 Sep 2002 02:19:42 GMT
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Viewed:
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5250 times
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John,
Good Job, John! It seems that older version of gcc don't catch the problem.
I applied the changes and it compiles fine for me; I updated CVS.
// Joe
"John Jorgensen" <jjorgens@2gn.com> wrote in message
news:Pine.LNX.4.21.0209031533080.8418-100000@2gn.com...
> While compiling the brickos kernel under gcc-3.2 and binutils-2.12.0 I was
> getting errors about nb_tasks and nb_system_tasks not being te same as
> their declarations so I made them volatile just like in the header and the
> kernel now compiles. The demos except trailerbot and c++.cpp compile and
> function ok. I'll work on those demos later. Here is the tiny patch which
> should work against CVS and the test tarball brickos-0.2.6.07.nmChg;
>
> --- kernel/tm.c.old Tue Sep 3 15:34:46 2002
> +++ kernel/tm.c Mon Sep 2 17:24:05 2002
> @@ -60,8 +60,8 @@
> tdata_t td_single; //!< single task data
> tdata_t *ctid; //!< ptr to current task • data
>
> -unsigned int nb_tasks; //!< number of tasks
> -unsigned int nb_system_tasks; //!< number of system • (kernel) tasks
> +volatile unsigned int nb_tasks; //!< number of • tasks
> +volatile unsigned int nb_system_tasks; //!< number of • system (kernel) tasks
>
> sem_t task_sem; //!< task data structure • protection
>
>
>
> I don't know if this breaks anything or if this is even the right thing to
> do.
>
> J*
>
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