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Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib

From: Mike Stump <mstump at apple dot com>
To: Jack Howarth <howarth at bromo dot med dot uc dot edu>
Cc: Geoff Keating <geoffk at apple dot com>, IainS <developer at sandoe-acoustics dot co dot uk>, GCC Development <gcc at gcc dot gnu dot org>, Mike Stump <mrs at apple dot com>
Date: Wed, 10 Dec 2008 19:19:55 -0800
Subject: Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
References: <B13531CE-0111-4B26-9315-14A6D428D2D6@sandoe-acoustics.co.uk> <20081210144341.GA14364@bromo.med.uc.edu> <B13E9BA1-4727-4CB8-A96D-05D0C02AC10F@sandoe-acoustics.co.uk> <20081210153244.GA14937@bromo.med.uc.edu> <1D04D9EA-63F8-4E05-84BD-53063E01901C@apple.com> <20081211000302.GA17709@bromo.med.uc.edu>

On Dec 10, 2008, at 7:03 PM, Jack Howarth wrote:

  I am confused. Assuming one builds FSF gcc configured with
--enable-threads, shouldn't that create a libgcc.a for FSF gcc
containing the ___emutls_get_address and ___emutls_get_address
symbols?

No, the people that wrote ___emutls_get_address decided to put it in gcc_eh, instead of libgcc.a. Sorry. Another fix would be to move it into libgcc.a, but I don't know if that is possible.

Why doesn't the darwin build default to enable threads?

? You can't ever turn it off?

References:
- [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: IainS
- Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: Jack Howarth
- Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: IainS
- Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: Jack Howarth
- Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: Geoff Keating
- Re: [PATCH, DARWIN] fix emutls exports in libgcc_s10.{4,5}.dylib
  - From: Jack Howarth

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