> On 1 Oct 2018, at 14:25, Craig Scott <craig.sc...@crascit.com> wrote: > > You need to set CMAKE_OSX_DEPLOYMENT_TARGET as a cache variable before > calling the project() command. If you set it as a normal (i.e. non-cache) > variable, the compiler detection logic triggered by the project() call > creates a cache variable if one doesn't exist, which would discard the > non-cache variable. It's a bit unfortunate, but that's what happens when you > set a cache variable for the first time. The relevant code related to your > observations is in Modules/Platform/Darwin-Initialize.cmake.
Thanks, that was indeed the solution. I’d suggest the docs page for CMAKE_OSX_DEPLOYMENT_TARGET could use some wording to point this out, but I don’t know who . how a docs change gets done. James
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