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Re: [PATCH] Use SHLIB_COMPAT for libc symbols only if building libc.so

From: Siddhesh Poyarekar <siddhesh at redhat dot com>
To: Roland McGrath <roland at hack dot frob dot com>
Cc: libc-alpha at sourceware dot org
Date: Wed, 19 Mar 2014 07:40:00 +0530
Subject: Re: [PATCH] Use SHLIB_COMPAT for libc symbols only if building libc.so
Authentication-results: sourceware.org; auth=none
References: <20140318055403 dot GR1850 at spoyarek dot pnq dot redhat dot com> <20140318224814 dot AE0C774454 at topped-with-meat dot com>

On Tue, Mar 18, 2014 at 03:48:14PM -0700, Roland McGrath wrote:
> This seems worse to me.  I've been vaguely noodling about some centralized
> macro regime to make the NOT_IN_*/IS_IN_* cases #if-friendly.  Let's figure
> out what we want to do about those in general before considering
> SHLIB_COMPAT.  I tend to think that it's a more maintainable interface to
> have '#if SHLIB_COMPAT (libfoo, ...)' be a standalone test that encompasses
> the IS_IN_libfoo test (just as it encompasses the SHARED test).

Agreed, I wasn't expecting this patch to go through at all and just
wanted a general idea of how we expect these bits to look.  I briefly
thought about NOT_IN_*/IS_IN_* too, but decided that it would take up
much more time than I'm willing to invest into it right now.

Siddhesh

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References:
- [PATCH] Use SHLIB_COMPAT for libc symbols only if building libc.so
  - From: Siddhesh Poyarekar
- Re: [PATCH] Use SHLIB_COMPAT for libc symbols only if building libc.so
  - From: Roland McGrath

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