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

[Ian Campbell]

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.