9 Writing Autoconf Macros

When you write a feature test that could be applicable to more than one software package, the best thing to do is encapsulate it in a new macro. Here are some instructions and guidelines for writing Autoconf macros.

• Macro Definitions: Basic format of an Autoconf macro
• Macro Names: What to call your new macros
• Reporting Messages: Notifying autoconf users
• Dependencies Between Macros: What to do when macros depend on other macros
• Obsoleting Macros: Warning about old ways of doing things
• Coding Style: Writing Autoconf macros � la Autoconf