Date: Sat, 22 Mar 2014 16:44:34 -0400 From: "Anthony G. Basile" <basile@...nsource.dyc.edu> To: musl@...ts.openwall.com Subject: Re: i686 with -fPIE and -fstack-protector-all On 03/22/2014 01:42 PM, Rich Felker wrote: > On Sat, Mar 22, 2014 at 09:33:48AM -0400, Anthony G. Basile wrote: >> On 03/22/2014 09:06 AM, Szabolcs Nagy wrote: >>> * Anthony G. Basile <basile@...nsource.dyc.edu> [2014-03-22 08:53:07 -0400]: >>>> I've hit a bug with 1.0.0 on i686. When building with >>>> -fstack-protector-all and -fPIE, I get an undefined reference to >>>> `__stack_chk_fail_local'. I do not get this on x86_64: >>>> >>> >>> may be this gcc bug should be in the faq >>> >>> http://gcc.gnu.org/ml/gcc/2012-01/msg00012.html >>> http://git.alpinelinux.org/cgit/aports/tree/main/musl/__stack_chk_fail_local.c >>> >> >> Thanks it. I was going to adopt a patch like alpines but hesitated >> in csae I was missing something. >> >> Aside: it looks like alpine is hitting a lot of the same issues i am >> with gentoo+musl and adopting similar approaches, like getent and >> ldconfig. > > Can ldconfig just be an empty script? Or does it need to make plain > .so symlinks to all the .so.X.Y.Z files so that ld can find them? I'm > not clear on whether most packages (e.g. libtool based) do the symlink > themselves or expect ldconfig to do so. It doesn't affect runtime > usage but it does affect linking programs against the library. There is at least one package, I can't remember which, that does depend on ldconfig's output to do the symlinking. I'm sure others are in the same boat. > > If we can figure out all this stuff, it would be great if someone > could make a clean git repo of replacements for all of the glibc > binaries that one could use with musl. Do you (or anyone else) have a > list of programs we'd need to make dists happy? > > Rich > I'm not sure what you mean here, but what I've been doing is building up a git repo of ebuilds with patches aginst various packages to make them compile against musl, like sabotage or alpine does. -- Anthony G. Basile, Ph. D. Chair of Information Technology D'Youville College Buffalo, NY 14201 (716) 829-8197
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