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Re: [Discuss-gnuradio] UHD Announcement - September 23rd 2010

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] UHD Announcement - September 23rd 2010
Date: Sat, 25 Sep 2010 12:45:08 -0700
User-agent: Mutt/1.5.20 (2009-12-10)

On Sat, Sep 25, 2010 at 12:32:36PM -0700, Josh Blum wrote:
> >Fair enough, Eric.  So do you suggest another approach that allows
> >boostrap/configure/make to "just work", or simply more notes
> >   about this in the build instructions when you're using UHD?
> >
> >
> The issue being that all the gnuradio dependencies are distribution
> installable (on linux) so you dont need to set special paths and
> environment variables. However, UHD is not ready to be handed out as
> rpms and debs (though it can be) so it may need special paths set to
> use on operating system <X>.
> However, it looks like gnuradio wants to set your PKG_CONFIG_PATH to
> include the ${prefix}/lib${lib_suffix}/pkgconfig. So, if you happen
> to use the same prefix and lib_suffix as you built for UHD, gnuradio
> should be able to find the uhd.pc file without you needing to set
> PKG_CONFIG_PATH by hand.
> The problem with this being, if --prefix is not set, gnuradio sets
> this to NONE/lib${lib_suffix}/pkgconfig which isnt going to work.
> Maybe ${ac_default_prefix} can be used when ${prefix} is set to NONE

That would probably be better than what we've got.

Independent of the use case you brought up, there's a couple of other
places we run afoul the same issue (prefix == NONE).  IIRC it gets
baked into some C/C++ strings somewhere too.


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