Re: __stack_chk_fail in regexp is not defined

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 09.11.2013 05:11, Andrey Borzenkov wrote:
> В Fri, 8 Nov 2013 14:42:43 -0600
> Glenn Washburn <address@hidden> пишет:
> 
>> On Fri, 08 Nov 2013 19:54:43 +0100
>> Vladimir 'φ-coder/phcoder' Serbinenko <address@hidden> wrote:
>>
>>> On 08.11.2013 19:42, Glenn Washburn wrote:
>>>> Now, I'm getting this error while building.  Bug in the awk script?
>>>>
>>>> cat syminfo.lst | sort | gawk -f ./grub.git/grub-core/genmoddep.awk
>>>>> moddep.lst || (rm -f moddep.lst; exit 1) __stack_chk_fail in
>>>>> regexp is
>>>> not defined
>>>>
>>> What compiler do you use and which additional options did you pass to
>>> it? It inserted this function call. We need either to provide this
>>> function or inhibit compiler from emiting such calls.
>>
>> I'm using gcc 4.7 on Ubuntu from the ubuntu-toolchain-r/test ppa.  I do
>> see a reference to __stack_chk_fail at
>> grub-core/efiemu/runtime/efiemu.c:192.  It doesn't look like that file
>> is generated.  Perhaps that function was accidentally added to that
>> file?
> 
> It comes from using -fstack-protector GCC option. But configure should
> have added -fno-stack-protector in this case.
> 
> Could you check defaults using
> 
> /path/to/your/gcc -Q --help=common
> 
> whether it is active by default? Also whether -fno-stack-protector was
> used during compilation?
> 
You're right.
@Glenn: can you tell us exact version of GRUB (e.g. git commit) and
attach config.log?
> 
> 
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