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Re: -dlopen self on AIX

From: Albert Chin
Subject: Re: -dlopen self on AIX
Date: Sun, 30 Oct 2005 12:16:01 -0600
User-agent: Mutt/1.5.6i

On Sun, Oct 30, 2005 at 11:56:30AM -0600, Albert Chin wrote:
> On Sun, Oct 30, 2005 at 11:14:14AM -0600, Albert Chin wrote:
> > [snip ...]
> > 
> > This means the method libtool uses to support -dlopen self on AIX
> > won't work (by building a list of symbols into some xxS.o file and
> > linking it with the executable). The real solution is to -bE the
> > symbol list. What's the cleanest way to do this?
> > 
> > Dynamic module support in openldap-2.3.x isn't working on AIX for the
> > above reason. Using -bexpall or -bE when linking the main binary does
> > work though. While the main binary, slapd, doesn't dlopen itself,
> > modules it dlopen()'s cannot resolve symbols in slapd because they
> > weren't exported.
> Seems the openldap folks should really use -export-dynamic, which
> isn't defined for AIX. We could make it -bexpall but as documented in
> the previous mail, it doesn't export everything. So, should we create
> a new variable, export_dynamic_cmds? If so, and temporary files are
> created by it, how do we clean up?

Related to this, if always_export_symbols=yes, shouldn't we run
$export_symbols_cmds against programs as well? export_symbols_cmds=yes
only on AIX but it's equally important for programs and libraries.

albert chin (address@hidden)

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