List Archive: gentoo-science
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On Friday 17 December 2010 14:55:03 Thomas Kahle wrote:
> On 14:22 Fri 17 Dec , Christopher Schwan wrote:
> > Mpir's configure scripts looks like its adding "-Wl,-z,noexecstack" if it
> > detects a gcc+x86/amd64 configuration - so I guess noexecstack should
> > work out of the box. If it does not I would consider this as broken.
> Yes, I saw that. The configure method fails directly, it just does *not*
> add the ldflag (at least when configure is run by portage).
> I also tried to add "-Wl,-z,noexecstack" via append-ldflags, and it is
> indeed appended as visible in the compile output, but the exec stacks
> are still there and the QA warning comes up, so I guess we can consider
> this broken and stick with your solution of patching the asm (which sill
> works fine)
Did you read http://www.gentoo.org/proj/en/hardened/gnu-stack.xml ? The
document proposes a slightly different approach for assembler files:
Which tells the assembler to use --nostack (instead of telling the linker to