[llvm-dev] XOR CommandLine arguments

[Sean Silva via llvm-dev]

Could you do something like `-mode={if,od}` and make the option required?

-- Sean Silva

On Mon, Apr 4, 2016 at 11:54 AM, Daniel Dilts via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> With the CommandLine library, is there a way to specify that one of two
> options must be present?
>
> I have two parameters, -if and -od.  I want an error if neither is present
> or if both are present.
>
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