[Buildroot] [PATCH] gcc: add option to build and install gcc's libssp

[Guy Benyei]

Hello,

> When double checking the result of compiling uClibc with
> BR2_TOOLCHAIN_BUILDROOT_USE_SSP, I've seen, that uClibc is actually binary-
> identical to the version built without BR2_TOOLCHAIN_BUILDROOT_USE_SSP. I
> find it strange, as actually there should be some additional functions and
> variables enabled in this case. Anyhow,  might be able to work with the uClibc
> support enabled by default.

Triple checking shows 8K addition to the uClibc shared object - which is around 3% of its original size. Still not too much for us, so I'll stick with the uClibc SSP support.

Thanks
       Guy