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Re: problem with libtool generated version script and underscores

From: Ralf Wildenhues
Subject: Re: problem with libtool generated version script and underscores
Date: Wed, 6 Feb 2008 21:23:18 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

* Aleksey Demakov wrote on Wed, Feb 06, 2008 at 08:01:42PM CET:
> On Feb 6, 2008 11:51 PM, Mike Frysinger <address@hidden> wrote:
> >
> > Blackfin is not the only target that utilizes underscore prefixes.  a more
> > generic check (as noted in the previous thread you cited) would be to
> > consider the define from gcc __USER_LABEL_PREFIX__.

> Please take a look at AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE in libtool.m4.
> That is while finding the correct global_symbol_pipe command it uses
> temporary variable $ac_symprfx. I think this variable could be just re-used
> to tell if the system requires underscore. There is no need for a separate
> test that relies on a gcc feature. The existing test goes through the
> entire chain compiler/linker/NM and therefore should be more reliable.

I agree.

Can we see testsuite output for Libtool 2.1b (see README) for a system
that needs a change here?  This failure should be exposed already.  Esp.
the stresstest should expose most use cases here.


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