Date: Mon, 6 Aug 2012 23:11:33 +0200 From: Kant <fnord.hammer@...il.com> To: musl@...ts.openwall.com Subject: Re: noexecstack The glibc build is using this. clang also supports this. Should be okay to use. On 6 August 2012 13:32, Rich Felker <dalias@...ifal.cx> wrote: > On Mon, Aug 06, 2012 at 01:19:19PM +0200, Szabolcs Nagy wrote: >> * Rich Felker <dalias@...ifal.cx> [2012-08-06 05:37:42 -0400]: >> > > ld -z noexecstack >> > This should work for libc.so. Is there a way to do it for all the .o >> > files in libc.a without having to add the option to every application, >> > though? >> >> it seems gnu as has an undocumented --noexecstack flag for this >> >> gcc -Wa,--noexecstack -c foo.s >> >> adds the .notes.GNU-stack section > > So this seems to be the solution. I suspect it will need a configure > check for the option being supported. Any other caveats? > > Rich
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