Configure-time and Build-time Operations

In this chapter, we will cover the following recipes:

• Using platform-independent file operations
• Running a custom command at configure time
• Running a custom command at build time: I. Using add_custom_command
• Running a custom command at build time: II. Using add_custom_target
• Running custom commands for specific targets at build time
• Probing compilation and linking
• Probing compiler flags
• Probing execution
• Fine-tuning configuration and compilation with generator expressions