__stack_chk_fail_local pkgsrc with gcc4.8 (was Re: minimum gcc to compile pkgsrc?

[yancm%sdf.org@localhost]

> On 07/13/17 17:36, Brook Milligan wrote:
>> is there any sense of what minimum gcc version is
>> required as the native compiler for all the packages
>> that are not marked with special GCC_REQD?

> 4.8.1.
>
> It's the first to fully support c++11:
>
> https://gcc.gnu.org/projects/cxx-status.html
>
> Currently there aren't many packages that will fail with GCC 4.4.7
> but it's enough to be a nuisance, so I'm setting
> GCC_REQD=4.8 in mk.conf on my Linux systems until there's an official
> solution in place.

I'm on NetBSD 6_Stable and recently started having issues compiling
various pkgsrc packages... so I individually set them to require
gcc 4.8...this worked at first...

then I ran in to a new (to me) issue when trying to compile...
I receive "__stack_chk_fail_local" which after googling, has been
around a while, it's apparently new behavior in 4.8 that was
not in earlier version maybe?

I found this "stack smash protection which is enabled by default
in gcc - I had similar issues when trying to compile patched
kernels. To circumvent this issue you could compile with
CFLAGS="-fno-stack-protector -fno-stack-protector-all" to
turn it off. Settin ghti flag did not help...

Any clues would be helpful?!

--gene