Re: [libvirt] [PATCH] build: fix typos in configure-set makefile variable names

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On Wed, Feb 24, 2010 at 03:13:52PM +0100, Diego Elio “Flameeyes” Pettenò wrote:
> Il giorno mer, 24/02/2010 alle 15.05 +0100, Jim Meyering ha scritto:
> > 
> > That sounds reasonable, if we're guaranteed always to have a libdl.
> > However, the fact that it's not needed on F12 suggests that we should
> > be adding it only when necessary (hence a configure-time test). 
> 
> I guess the problem might lie in the way the VirtualBox driver's
> dependencies are linked; didn't FC13/Rawhide move to use --no-add-needed
> by default?
> 
> If that's the case you have two options:
> 
>  - a bug in the VirtualBox driver's dependencies, that causes some of
> the libraries not to link to libdl;
>  - the VirtualBox driver *does* need libdl, but never linked it in by
> itself as it relied on the --add-needed behaviour.
> 
> Easy way to test this is to try configuring on Rawhide with
> LDFLAGS="-Wl,--add-needed" and see what happens… if it builds fine, it's
> the latter.
> 
> On the other hand, you do have one problem: libdl is only present in
> glibc/uclibc, as other C libraries have it part of the base library, so
> I'd suggest adding a configure test.
> 
> If Richard can confirm whether it's the case, I should be able to write
> one fairly quickly, I hope, as I have something similar laying around.

The command:

  make LDFLAGS="-Wl,--add-needed"

does fix the issue for me.

Rich.

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