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Re: G++ Linking issue : hidden symbol `__dso_handle'

From: Ian Lance Taylor <iant at google dot com>
To: Rajat <myself_rajat at yahoo dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 16 Sep 2009 07:07:48 -0700
Subject: Re: G++ Linking issue : hidden symbol `__dso_handle'
References: <837066.15359.qm@web54008.mail.re2.yahoo.com> <m3ocpba00y.fsf@google.com> <549030.13699.qm@web54008.mail.re2.yahoo.com>

Rajat <myself_rajat@yahoo.com> writes:

> Thanks a lot for the help Ian. Yeah I could see allmost all the libs are showing this,
> $ readelf -s <Lib_Name> | grep "__dso_handle"
>     99: 00034dc0     0 OBJECT  LOCAL  HIDDEN   22 __dso_handle
> Does this present in the symbol table ? Whats the significance of it?

You should never get this warning for a defined symbol like that one.
You should only get it for an undefined symbol.  Look for a shared
library in which __dso_handle is present in the symbol table but is
undefined.

Ian

References:
- G++ Linking issue : hidden symbol `__dso_handle'
  - From: Rajat
- Re: G++ Linking issue : hidden symbol `__dso_handle'
  - From: Ian Lance Taylor
- Re: G++ Linking issue : hidden symbol `__dso_handle'
  - From: Rajat

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