List Archive: gentoo-science
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On 21:19 Tue 09 Nov , François Bissey wrote:
> > my next migration victim will be mpir, the friendly clone of gmp. The
> > current ebuild is the same in sage-on-gentoo and science. It has this
> > assembler stuff in it that I don't understand. Who did this? What is
> > the latest here, can we remove the fat TODO-banner (or DO it?).
> > Any other hints/objections? (Yes, I know that there is a bump
> > waiting...)
> Hi Thomas,
> Christopher did it. mpir like gmp suffer from executable stacks.
> There are talk on sage-devel which is very close to mpir upstream
> to take a different approach: using an m4 macro and a linker flag
> to remove them -Wl,-z,noexecstack.
> The motivation to fix this is fedora 14 which doesn't allow executable stacks
> by default.
The changelog of mpir-2.2 shows:
-) Enable noexecstack for x86/x86_64 with GCC
So what should be done to use this in our ebuild. I tried to simply
append -Wl,-z,noexecstack to ldflags, but this did nothing.