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Re: PR v3/38923: symbol versioning disabled on Solaris due to sed.

From: Jason Merrill <jason at redhat dot com>
To: Ralf Wildenhues <Ralf dot Wildenhues at gmx dot de>, gcc-patches at gcc dot gnu dot org, libstdc++ at gcc dot gnu dot org, Jonathan Wakely <jwakely dot gcc at gmail dot com>
Cc: Benjamin Kosnik <bkoz at redhat dot com>
Date: Thu, 22 Oct 2009 22:07:47 -0700
Subject: Re: PR v3/38923: symbol versioning disabled on Solaris due to sed.
References: <20090923042126.GA24054@gmx.de>

On 09/22/2009 09:21 PM, Ralf Wildenhues wrote:

2009-09-23 Ralf Wildenhues<Ralf.Wildenhues@gmx.de>

	PR libstdc++/38923
	* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Avoid 'head',
	use sed script portable to Solaris /bin/sed for extracting ld
	version.
	* configure: Regenerate.

This patch broke symbol versioning on Fedora 11, and I'm surprised that the pattern would work on any target.

+ sed -e 's/GNU g*o*ld v*e*r*s*i*o*n* *\(([^)]*)* *\) \([0-9.][0-9.]*\).*/\2/; q'`

The "\(([^)]* *\) " bit requires at minimum "( " which is not present in GNU ld --version on my system.

Jason

Follow-Ups:
- Re: PR v3/38923: symbol versioning disabled on Solaris due to sed.
  - From: Ralf Wildenhues

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