Sean McBride wrote:
> On Mon, 5 Aug 2013 08:08:20 +0200, Rolf Eike Beer said:
> >So
> >any version checking like I do in the CXXFeatures test ("I have compiler
> >version X, the supported features should be ...") is entirely mood for
> >Clang. Great.
>
> Well, I don't know what we're really talking about here... but it sounds
> like you're trying to determine a compiler's features based on its version
> number. That's inherently pretty fragile, don't you agree?
>
> I do know that the clang folks discourage trying to determine clang's
> abilities from its version number. Instead, they have a mechanism called
> 'Feature Checking Macros' described here:
>
> <http://clang.llvm.org/docs/LanguageExtensions.html#feature-checking-macros>That could be something for both the testcase as well as the feature checks. I'll see if I can come up with a good solution to that. The "which feature does match $version" is just a testcase thing to see if the module gives the expected results. Eike --
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