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Re: [build] Move gthr to toplevel libgcc

From: Paolo Bonzini <bonzini at gnu dot org>
To: Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>
Cc: gcc-patches at gcc dot gnu dot org, "Joseph S. Myers" <joseph at codesourcery dot com>, Ian Lance Taylor <iant at google dot com>, Nathan Sidwell <nathan at codesourcery dot com>, Joel Sherrill <joel at oarcorp dot com>, Kai Tietz <ktietz at redhat dot com>, Richard Sandiford <rdsandiford at googlemail dot com>, John David Anglin <dave dot anglin at nrc-cnrc dot gc dot ca>, David Edelsohn <dje dot gcc at gmail dot com>, Ulrich Weigand <uweigand at de dot ibm dot com>, Nicola Pero <nicola dot pero at meta-innovation dot com>, fortran at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org
Date: Mon, 08 Aug 2011 17:55:00 +0200
Subject: Re: [build] Move gthr to toplevel libgcc
References: <yddr54wrp4q.fsf@manam.CeBiTec.Uni-Bielefeld.DE> <4E3FFDF7.3030602@gnu.org> <yddipq7sxzf.fsf@manam.CeBiTec.Uni-Bielefeld.DE>

On 08/08/2011 05:51 PM, Rainer Orth wrote:

    libgfortran/acinclude.m4 (LIBGFOR_GTHREAD_WEAK) tries to determine a
     sensible value.


 I think libgfortran's approach is the nicest to be added in
 libgcc/configure.ac.


I'm not convinced: when it was introduced (or used more extensively), I
was already bitten by the fact that the GTHREAD_USE_WEAK test uses a
hardcoded list, instead of really checking what it is meant to test:
support for weak definitions.  Perhaps the autoconf-archive macro is
better in this respect.

I was talking in general about the approach, not the implementation. :)

Paolo

Follow-Ups:
- Re: [build] Move gthr to toplevel libgcc
  - From: Rainer Orth

References:
- [build] Move gthr to toplevel libgcc
  - From: Rainer Orth
- Re: [build] Move gthr to toplevel libgcc
  - From: Paolo Bonzini
- Re: [build] Move gthr to toplevel libgcc
  - From: Rainer Orth

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