[cmake-developers] conditionals in generator expressions

Stephen Kelly steveire at gmail.com
Mon Sep 17 10:20:51 EDT 2012


Brad King wrote:
> when either nameQual or dirQual is true that is a compile-time constant
> so the "return result" line is truly unreachable in that instantiation.

Yes. I was assuming a compiler optimization would exist for that kind of 
thing.

> You need to use compile-time conditional code rather than "runtime"
> tests of compile-time constants.  This is true for the other template
> parameters too.

Done.

Thanks,

Steve.





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