4. Command Line Options and Environment Variables# 4.1. Command Line Usage 4.1.1. Specifying projects to build 4.1.2. Commonly used command line options 4.1.3. Exit status 4.1.4. Signals 4.2. Supported Environment Variables 4.3. Supported command-line parameters 4.3.1. Generic 4.3.2. Resuming and stopping 4.3.3. Modules information 4.3.4. Exclude specific action 4.3.5. Only specific action 4.3.6. Build behavior 4.3.7. Script runtime 4.3.8. Setup 4.3.9. Script information