dev/package/contrib: Library Dependencies
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.