From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: Jeroen Van den Keybus <jeroen.vandenkeybus@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Build issue Linux kernel 2.6.38.8 - Xenomai 2.5.6
Date: Sun, 04 Sep 2011 21:09:49 +0200 [thread overview]
Message-ID: <4E63CCFD.4090800@domain.hid> (raw)
In-Reply-To: <CAPRPZsCOSWYjHqGv0L+9ip+wkegMiV3GJBsGWtRjV2W=BsdOQw@domain.hid>
On 09/04/2011 09:05 PM, Jeroen Van den Keybus wrote:
> Variant 2 (reason: kernel seems to be built with -O2 -fomit-frame-pointer
> (unsure where to verify though), but no effect):
> - ./configure --enable-x86-sep --enable-smp CFLAGS="-m32 -O2
> -fomit-frame-pointer" LDFLAGS="-m32"
>
> Since kernel compiles are a very time-costly way of debugging and I also do
> not fully understand what I'm really doing when fiddling with gcc options,
> it seems that help is now much appreciated.
You need to compile with -fno-omit-frame-pointer, that is precisely the
contrary of -fomit-frame-pointer
--
Gilles.
next prev parent reply other threads:[~2011-09-04 19:09 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-04 19:05 [Xenomai-help] Build issue Linux kernel 2.6.38.8 - Xenomai 2.5.6 Jeroen Van den Keybus
2011-09-04 19:09 ` Gilles Chanteperdrix [this message]
[not found] ` <CAPRPZsAmv9eRQOj-ocKMwjKzEuzbQU+XKr6iAPwvPM9QRXZACQ@mail.gmail.com>
2011-09-04 19:37 ` Jeroen Van den Keybus
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