[CRIU] [PATCH] tools.mk: Define CC if not set to 'default'

[Cyrill Gorcunov]

On Thu, Apr 11, 2019 at 10:54:43AM +0100, Radostin Stoyanov wrote:
> > Who set this value to "default"? This patch looks pretty wrong.
> 'undefined'
> 
>     if variable was never defined.
> 
> 'default'
> 
>     if variable has a default definition, as is usual with CC and so on.
> See Variables Used by Implicit Rules. Note that if you have redefined a
> default variable, the origin function will return the origin of the
> later definition.

Will take a look at evening, thanks!