[PATCH 1/2] Build divdi3 only for architecture that required it

[Adhemerval Zanella]

On 10/05/2017 10:23, Joseph Myers wrote:
> On Wed, 19 Apr 2017, Adhemerval Zanella wrote:
> 
>> Now to actually fix it I can think of two possible solutions:
>>
>>   1. Add divdi3 build on sparc32 as before the patch.
>>   2. Enforce -Wl,-noexecstack on ld.so build.
> 
> 3. Add .note.GNU-stack section in libgcc/config/sparc/lb1spc.S (possibly 
> conditioned on defined(__ELF__) && defined(__linux__), as in other 
> architecture-specific .S files).  That seems to me to be the right 
> approach, and would fix it for other software using these libgcc functions 
> as well.  And as a very small safe patch it should be suitable for 
> backporting onto active GCC release branches.
> 

Done [1].

[1] https://gcc.gnu.org/ml/gcc-patches/2017-05/msg00824.html