[cfe-dev] magic __has_feature macro

Eli Friedman eli.friedman at gmail.com
Fri Jun 12 18:18:33 PDT 2009

On Fri, Jun 12, 2009 at 6:03 PM, Chris Lattner<clattner at apple.com> wrote:
> Hi All,
> As Clang "grows up", it will continue to get more features.  I'd like
> to add new "__has_feature" builtin function-like macro that evaluates
> to 0 or 1 if clang has a specified feature.

What does it evaluate to if clang doesn't have the specified feature? :)

Sounds like a good idea.


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