Overview
This lecture explains how the Xcode build system manages the compilation and running of iOS application projects, focusing on key settings and build configurations in Xcode.
Xcode Build System Basics
- The Xcode build system manages how projects are built, including dependencies and compilation results.
- No installation is needed; the build system is included with Xcode by default.
- Clicking the Run button triggers the build process, which compiles and runs your app on a simulator or device.
Build System Types
- Xcode offers two build systems: the legacy build system and the new build system.
- The legacy build system is being phased out and will be removed in future releases.
- The new build system provides better reliability, performance, and detects configuration problems the legacy system does not.
Build Settings Overview
- Build settings control the build phases needed to create the app (product).
- Understanding build settings helps manage how specific tasks are performed and troubleshoot build errors.
Key Build Settings Sections
- Architectures: Specifies which CPU architectures your app will support, ensuring compatibility with desired devices.
- Packaging: Sets the display name of your app as it appears on devices.
- Deployment: Determines the target device family and the minimum iOS version your app supports (iOS Deployment Target).
Key Terms & Definitions
- Build System — The part of Xcode that manages building, running, and configuring the app.
- Legacy Build System — The original Xcode build system, scheduled for removal.
- New Build System — An improved build system offering better performance and reliability.
- Build Settings — Configurations that define how the app is built, including architectures, packaging, and deployment.
Action Items / Next Steps
- Review and become familiar with Xcode build settings, especially architectures, packaging, and deployment sections.