Xcode Mach-O Linker errors with 64-bit simulator
问题 I have been developing an iOS app in Xcode. It compiled and ran perfectly in the regular simulator, but when I switched the simulator device to 64-bit, it failed with 13 new warnings and 37 new errors, all of which are associated (I think) with an external library I'm using called ObjectiveDDP (https://github.com/boundsj/ObjectiveDDP). People had similar problems, but my understanding is they were supposedly fixed in a recently-released update to the framework, but on my end this update is to