llvm dev - Jan 2016 - Missing cl::parser<unsigned long> specialization?

Hi all,

I'm using a cl::opt<uint64_t>. On Mac OS X, uint64_t is unsigned long
long, and so by default the option uses the parser<unsigned long long>
specialization. However, on Linux, it's unsigned long, and there is no
specialization for it. Because of it, the option has the default parser that
expects a value from a predefined list, which is impractical for 64-bit numbers.

Is that on purpose?

Félix

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