[LNT] Add cflags string argument to lnt

[Chris Matthews]

Thanks. I am all for enhancements that make LNT easier to use on the command line!

Can you modify you approach to correctly handle quoted and escaped spaces?

Can you make a test? Probably in the runtest section of the tests.

I just created a Phab account.

> On Jun 9, 2015, at 5:02 AM, Charlie Turner <charlie.turner at arm.com> wrote:
> 
> Hi,
>  
> The current behavior seems to only allow you to pass one cflag at a time to the lnt script,
>  
> --cflag cf1
> --cflag cf2
> …
> --cflag cfn
>  
> The attached patch adds an option that allows you to instead pass –cflags “cf1 cf2 … cfn” to the lnt script.
>  
> Regards,
> Charlie.
>  
> P.S. Chris, do you have Phabricator account? I was going to use the Phab reviewing tool, but I could find your name in the reviewers list.
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