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  • #21643

Closed
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Opened Dec 30, 2020 by Benjamin Knight@IceDreamer

Command line arguments to cmake silently ignore en-dash in place of hyphen

Ran into this and it took an outrageous amount of time to figure out why -GNinja had suddenly started failing on Windows and was falling back to the Visual Studio Generator. It turns out that I'd somehow copied an en-dash into the place of the hyphen by accident, but the font of my shell didn't show this, and jetbrains mono also didn't show it.

Perhaps cmake should issue a warning when it detects silly characters in places they don't belong. The en-dash is the most likely case of this happening as many fonts don't treat it properly, but I'm sure there are others.

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Reference: cmake/cmake#21643