Re: [Xen-devel] [PATCH v1] xen: preserve COMPAT in CFLAGS

[Olaf Hering <olaf@xxxxxxxxx>]

Am Thu, 13 Dec 2018 11:05:25 +0000
schrieb Anthony PERARD <anthony.perard@xxxxxxxxxx>:

> Hi,
> 
> Ian, we have those XC_WANT_COMPAT_* #defines to allow consumers of Xen
> libs be able to use old interfaces. Do you think it's a good idea to
> have this consumers (QEMU here) #undef the flag when it has implemented
> the newer interface?

I think the wording is wrong.

The defines exist to expose existing APIs to software that was not updated to 
use the "latest" API. To me it looks like the undef's are wrong. Even the usage 
in configure looks bogus, but that is another unrelated thing.

Olaf

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