package_contrib_init()
Obtains all of the resources required to build/install the external source dependencies for the package.
package_contrib_update()
Updates all of the external souce dependencies.
package_contrib_build()
Builds all of the external souce dependencies.
package_contrib_install()
Installs all of the external souce dependencies.
package_contrib_clean()
Cleans up all of the external souce dependencies.