[OE-core] [morty][PATCH 1/2] ruby: update to 2.4.0

[Richard Purdie]

On Fri, 2018-01-12 at 18:20 +0200, Alexander Kanavin wrote:
> Existing version of ruby-native (2.2.5) was crashing on my machine
> (and others' too),
> yet a functional ruby is necessary to upgrade webkit to a version
> that less vulnerable
> to Spectre.
> 
> I've performed the update by copying the ruby recipe directory over
> from the current
> pyro tree; if you want to see the list of specific commits, issue
> this command:
> 
> git log 99656fecf4fa6e24ba49ecb7f26f893e733818a0 meta/recipes-
> devtools/ruby
> (up to commit e593d3aeb2ea5f08d6e0753133fe89e345b339e8)

Fails on musl:

https://autobuilder.yocto.io/builders/nightly-musl/builds/719/steps/BuildImages/logs/stdio

Not sure why ruby-native would fail on musl specifically so could be a
host issue (its on fedora26).

Cheers,

Richard