From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Hadrien Caron <hadrien.caron@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] [xenomai-help] Error return with a4l_sync_write
Date: Thu, 29 Dec 2011 18:56:44 +0100 [thread overview]
Message-ID: <4EFCA9DC.4060509@domain.hid> (raw)
In-Reply-To: <CA+eKTkanSObCHedoDfLEJAJrpxB-8AoO_Q-RosTNykxOhqCM-A@mail.gmail.com>
On 12/29/2011 06:22 PM, Hadrien Caron wrote:
> Hello !
>
> Sorry for the delay, I was out of town for the week.
> Hope you all had a nice christmas.
> Thanks for the input. In fact I am sorry but I didn't find what it means to
> compile with -fno-omit-frame-pointer
>
> I found a SCHED_OMIT_FRAME_POINTER option in the kernel but it was already
> enabled so I doubt you were talking about that.
>
> Is it an option to pass to the compiler ? I found -fomit-frame-pointer in
> the gcc manual . . . Should I modify xenomai's Makefile to add this option
> to the compilation ?
>
> Thanks again ! And happy new year ;)
It is an option to pass to gcc (every time there is -ffoo there is also
the -fno-foo). You can pass additional flags to gcc using configure
CFLAGS variable.
Using for instance:
/path/to/xenomai/configure CFLAGS="-fno-omit-frame-pointer -g -O2"
--
Gilles.
next prev parent reply other threads:[~2011-12-29 17:56 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-21 10:44 [Xenomai-help] [xenomai-help] Error return with a4l_sync_write Hadrien Caron
2011-11-21 11:03 ` Wolfgang Grandegger
2011-11-21 11:10 ` Hadrien Caron
2011-11-21 14:20 ` Gilles Chanteperdrix
2011-11-22 12:06 ` Alexis Berlemont
2011-11-22 12:33 ` Anders Blomdell
2011-11-22 13:43 ` Hadrien Caron
2011-11-22 22:33 ` Alexis Berlemont
2011-11-23 7:05 ` Anders Blomdell
2011-11-23 8:44 ` Gilles Chanteperdrix
2011-11-23 9:53 ` Hadrien Caron
2011-12-08 14:36 ` Hadrien Caron
2011-12-16 12:39 ` Hadrien Caron
2011-12-16 13:20 ` Gilles Chanteperdrix
2011-12-16 14:43 ` Anders Blomdell
2011-12-16 14:50 ` Gilles Chanteperdrix
2011-12-29 17:22 ` Hadrien Caron
2011-12-29 17:56 ` Gilles Chanteperdrix [this message]
2012-01-02 15:26 ` Hadrien Caron
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