gnu ld version check in libstdc++-v3/acinclude.m4

Richard Guenther rguenther@suse.de
Tue Feb 20 14:37:00 GMT 2007


On Tue, 20 Feb 2007, Daniel Jacobowitz wrote:

> On Tue, Feb 20, 2007 at 01:33:09PM +0100, Richard Guenther wrote:
> > 
> > It looks like binutils recently changed the formatting of it's version
> > string with introducing --with-pkgversion.  This causes the configure
> > check for symbol versioning to fail for libstdc++.
> > 
> > In particular we now have
> > 
> > > ld --version 
> > GNU ld version (SUSE Linux) 2.17.50.20070219 20070219
> 
> That looks wrong... I think Andreas Schwab observed something similar
> on binutils@ today.  How did the date get doubled?  Or is that a SuSE
> local change?  It doesn't seem to happen for me.
> 
> GNU assembler 2.17.50 20070220

Hm, no idea.

> 
> 
> > !            sed -e 's/GNU ld version \([0-9.][0-9.]*\).*/\1/'`
> 
> > !            sed -e 's/GNU ld version \(([^(]*)\)\? \?\([0-9.][0-9.]*\).*/\2/'`
> 
> I guess you meant [^)], not [^(].  I think it's clearer if you move
> the space inside the parentheses, too, so you only need one \?.

Indeed.  I also replaced \? with \{0,1\} as Paolo noticed.  Spinning
a rebuild against old/new binutils now.

Richard.

-- 
Richard Guenther <rguenther@suse.de>
Novell / SUSE Labs



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