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Re: libstdc++ breakage on powerpc*-linux

From: Benjamin Kosnik <bkoz at redhat dot com>
To: janis187 at us dot ibm dot com
Cc: gcc at gcc dot gnu dot org
Date: Fri, 2 May 2008 00:45:20 -0500
Subject: Re: libstdc++ breakage on powerpc*-linux
References: <1209684399.6264.7.camel@janis-laptop>

> breaks libstdc++ for powerpc*-unknown-linux-gnu on systems where long
> double is 128 bits, resulting in lots of "undefined reference" errors
> during linking.  The change from "# undef" to "#undef" causes a match
> in a sed command in libstdc++-v3/include/Makefile, which looks for
> "^#undef _GLIBCXX_LONG_DOUBLE_COMPAT.  Please revert it for now.

Hi Janis. I have been able to reproduce this (finally), and have
checked in the attached patch to fix it.

tested x86_64/linux
tested powerpc64/linux --with-long-double-128

-benjamin

Attachment: p.20080501-2
Description: Text document

References:
- libstdc++ breakage on powerpc*-linux
  - From: Janis Johnson

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