[libvirt] [PATCH 04/10] build: require yajl >= 2.0.3

[Daniel P. Berrangé]

On Wed, May 08, 2019 at 06:21:21PM +0200, Olaf Hering wrote:
> On Wed, Apr 03, Ján Tomko wrote:
> 
> > Since all our supported platforms include at least yajl 2.0.4,
> > use pkg-config to detect the library and set the minimum to 2.0.3.
> 
> In case SLE_12 is on the list of supported platforms, this kicked it
> off of the list. SLE_12 (and Leap 42.3) comes with version 2.0.1.
> SLE_15 has version 2.1.0.

Yes, this is a mistake.

  https://libvirt.org/platforms.html

 "For distributions with long-lifetime releases, the project will aim
  to support the most recent major version at all times. Support for
  the previous major version will be dropped 2 years after the new 
  major version is released. For the purposes of identifying supported
  software versions, the project will look at RHEL, Debian, Ubuntu LTS,
  and SLES distros. "

SLE 15 was released  July 2018, so we should be continuing to support
SLE 12 until July 2020.

So we need to fix this to allow fallback to the non-pkg-config detection
for yajl.

Regards,
Daniel
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