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 |
|• 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 à la Autoconf|