Re: [Xen-devel] [libvirt] [PATCH v2 4/4] libxl: Add a test suite for libxl option generator

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2014-06-16 at 17:11 -0600, Jim Fehlig wrote:
> > This function exists in Xen 4.2 as well, in libxl.h.
> >   
> 
> Any ideas on how to handle this?  I'm not aware of an existing macro to
> check for func 'foo' defined in header 'bar'.  Is writing a custom macro
> along these lines a good solution?  A bad solution I tried was hacking
> the test to check libxl version via libxl_get_version_info(), but that
> API does not work if not running Xen.

Given that it exists in everything from 4.2 onwards why do you need to
check for it?

From the PoV of these tests (or any application generally) I'd have
thought you wouldn't really care if you get this function from libxl.h
directly or indirectly via libxl.h including _libxl_types.h.

Ian.


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