1 |
El jue, 09-01-2014 a las 21:58 +0100, Magnus Granberg escribió: |
2 |
> Hi |
3 |
> |
4 |
> Some time ago we discussed that we should enable stack smashing |
5 |
> (-fstack-protector) by default. So we opened a bug to track this [1]. |
6 |
> The affected Gcc version will be 4.8.2 and newer. Only amd64, x86, mips, ppc, |
7 |
> ppc64 and arm will be affected by this change. |
8 |
> |
9 |
> You can turn off ssp by using the nossp USE flag or by adding |
10 |
> -fno-stack-protector to the CFLAGS and/or CXXFLAGS. We are using the same |
11 |
> patch as Debian/Ubuntu but with some Gentoo fixes. |
12 |
> |
13 |
> The patch will move the sed for the HARD_CFLAGS, ALLCFLAGS and |
14 |
> ALLCXXFLAGS from do_gcc_PIE_patches() to make_gcc_hard(). We will |
15 |
> make_gcc_hard() the default for all Gcc versions 4.8 and newer, and turn |
16 |
> it on or off with hardened_gcc_works() that will make some sanity checks. |
17 |
> |
18 |
> /Magnus |
19 |
|
20 |
What are the advantages of disabling SSP to deserve that "special" |
21 |
handling via USE flag or easily disabling it appending the flag? |
22 |
|
23 |
Thanks a lot for the info :) |