A workspace is an Xcode document that groups projects and other documents so you can work on them together. A workspace can contain any number of Xcode projects, plus any other files you want to inclu...
An Xcode project is a repository for all the files, resources, and information required to build one or more software products. A project contains all the elements used to build your products and main...
A target specifies a product to build and contains the instructions for building the product from a set of files in a project or workspace. A target defines a single product; it organizes the inputs i...
打开旧工程时，报错：error: -fobjc-arc is not supported on platforms using the legacy runtimeCommand /Applications/Xcode 2.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang faile...
