Named configurations

Named configurations can be specified via the CONFIG=… build parameter.

For headers in config/*.h which support named configurations, the following files are included when building with CONFIG=<name>:

  • config/defaults/<platform>.h (e.g. config/defaults/pcbios.h)
  • config/<header>.h
  • config/<name>/<header>.h (only if the directory config/<name> exists)
  • config/local/<header>.h (autocreated if necessary)
  • config/local/<name>/<header>.h (autocreated if necessary)

This mechanism allows for predefined named configurations to be checked in to the source tree, as a directory config/<name> containing all of the required header files.

The mechanism also allows for users to define multiple local configurations, by creating header files in the directory config/local/<name>.

Note that the config/*.h files which are used only to configure internal iPXE APIs (e.g. config/ioapi.h) cannot be modified via a named configuration. This avoids rebuilding the entire iPXE codebase whenever switching to a different named configuration.

 
appnote/named_config.txt · Last modified: 2015/09/10 14:34 by robinsmidsrod
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