linux-kernel - Re: Kernel config option missing: 'Compile the kernel with frame pointers'

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Date:	Wed, 6 Oct 2010 13:53:19 -0700 (PDT)
From:	"Randy Dunlap" <rdunlap@...otime.net>
To:	"Elvis Dowson" <elvis.dowson@....com>
Cc:	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: Kernel config option missing: 'Compile the kernel with frame 
     pointers'


On Wed, October 6, 2010 12:16 pm, Elvis Dowson wrote:
> Hi,
> When I run menuconfig on the linux-2.6.32 kernel, I can't seem to find the
> "Compile the kernel with frame pointers" option. The generated .config
> file also doesn't have a CONFIG_FRAME_POINTER variable.

Hi,

It sounds like you don't have DEBUG_KERNEL symbol set.
You can't see the FRAME_POINTER kconfig symbol unless
DEBUG_KERNEL is set/enabled and you are on a qualifying
architecture:

config FRAME_POINTER
        bool "Compile the kernel with frame pointers"
        depends on DEBUG_KERNEL && \
                (CRIS || M68K || M68KNOMMU || FRV || UML || \
                 AVR32 || SUPERH || BLACKFIN || MN10300) || \
                ARCH_WANT_FRAME_POINTERS
        default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS


The prompt for DEBUG_KERNEL is "Kernel debugging".
It is in the "Kernel hacking" menu.

-- 
~Randy

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