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Re: [RFA] Don't warn when using ld --wrap and code in Thumb-state on ARM

From: Ian Lance Taylor <iant at google dot com>
To: "H.J. Lu" <hjl dot tools at gmail dot com>
Cc: Matthew Gretton-Dann <matthew dot gretton-dann at arm dot com>, binutils at sourceware dot org
Date: Wed, 07 Apr 2010 06:57:06 -0700
Subject: Re: [RFA] Don't warn when using ld --wrap and code in Thumb-state on ARM
References: <1269877707.25684.24.camel@e102111-lin.cambridge.arm.com> <20100329231213.GK6416@bubble.grove.modra.org> <mcrochwpby4.fsf@dhcp-172-17-9-151.mtv.corp.google.com> <i2s6dc9ffc81004062214rc897492fta7dbaba97c1b7a39@mail.gmail.com>

"H.J. Lu" <hjl.tools@gmail.com> writes:

> FWIW, their testcases may be:
>
> http://sourceware.org/ml/binutils/1999-q3/msg00030.html
> http://sourceware.org/ml/binutils/1999-q3/msg00031.html
>
> They are related to weak symbol handling in older glibc.
> Newer glibc treats weak symbols in DSO as strong symbols.

Which can be changed by setting the environment variable
LD_DYNAMIC_WEAK.

Ian

References:
- Re: [RFA] Don't warn when using ld --wrap and code in Thumb-state on ARM
  - From: Ian Lance Taylor
- Re: [RFA] Don't warn when using ld --wrap and code in Thumb-state on ARM
  - From: H.J. Lu

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