svn commit: r340640 - head/lib/libc

[Shawn Webb]

On Mon, Nov 19, 2018 at 06:12:39PM +0000, Ed Maste wrote:
> Author: emaste
> Date: Mon Nov 19 18:12:39 2018
> New Revision: 340640
> URL: https://svnweb.freebsd.org/changeset/base/340640
> 
> Log:
>   libc: forcibly disable BIND_NOW
>   
>   Building libc WITH_BIND_NOW results in segfault at process start.  For
>   now force BIND_NOW off until the root cause can be identified and fixed.
>   
>   PR:		233333
>   Sponsored by:	The FreeBSD Foundation
> 
> Modified:
>   head/lib/libc/Makefile
> 
> Modified: head/lib/libc/Makefile
> ==============================================================================
> --- head/lib/libc/Makefile	Mon Nov 19 17:33:44 2018	(r340639)
> +++ head/lib/libc/Makefile	Mon Nov 19 18:12:39 2018	(r340640)
> @@ -6,6 +6,8 @@ SHLIBDIR?= /lib
>  
>  .include <src.opts.mk>
>  
> +# BIND_NOW in libc results in segfault at startup (PR 233333)
> +MK_BIND_NOW=	no

Since the use of ifunc in libc is only applicable to amd64, I wonder
if it would be best to disable BIND_NOW in
lib/libc/amd64/Makefile.inc. I don't believe there's any need to
disable BIND_NOW for libc on other architectures.

Thanks,

-- 
Shawn Webb
Cofounder and Security Engineer
HardenedBSD

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