Re: How to determine -rdyamic / -Wl,--export-dynamic flags?

[Robert Boehne <robertb@xxxxxxxxxx>]

 On 03/18/12 17:10, Paul Smith wrote:
> Does anyone have a macro that will correctly determine when -rdynamic
> and/or -Wl,--export-dynamic can be used?  I'm not using libtool but I'd
> like my application to be built such that functions in it can be invoked
> by dynamically loaded objects.
>
> I saw http://www.mail-archive.com/autoconf@xxxxxxx/msg15247.html but
> there was no definitive response... has anyone come up with something
> since then?
>
> I'd prefer to not invoke a test executable, to preserve cross-compiling.
>
> Thanks!
Paul,

I think you're not getting a response because you're asking a lot.  
Without testing by running an executable, this can't be determined 
behaviorally, so your best bet is some sort of lookup.  I would suggest 
you write your own macro, where you set the flag based on known system 
information, and barring that try some link-time flags and use one that 
doesn't generate any errors.

HTH,

Robert

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