Re: Restrictions for naming custom variant

AMDG

On 06/20/2018 01:02 PM, Mateusz Loskot via Boost-build wrote:
> Hi;
> 
> TL;TR: In Jamfile, can I define custom variant with name that contains dashes?
> 
> For example:
> 
> variant ubasan-undefined
>     : release
>     : ...
>     ;
> 
> In the docs [1], there is naming rule for main target only:
> 
>     A main target name may contain alphanumeric characters, dashes
> (‘-’), and underscores (‘_’).
> 

It's here:
https://boostorg.github.io/build/manual/develop/index.html#bbv2.reference.features

"Feature values for non-free features may not contain the ‘<’,
‘:’, or ‘=’ characters"

But this is incorrect because '-' is reserved for
separating subfeatures.

> I have tried multiple variations of name in Jamfile and name passed as value to
> variant= argument, w/ and w/o wrapping in double-quotes, and none worked for me.
> 
> If instead I do either of
> 
> - declare `variant ubasan~undefined` and pass `variant=variant ubasan~undefined`
> - declare `variant ubasan_undefined` and pass `variant=variant ubasan_undefined`
> 
> then it works.
> 
> [1] https://boostorg.github.io/build/manual/develop/index.htm
> 
> Best regards,
> 

In Christ,
Steven Watanabe
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