https://github.com/anope/anope/tree/2.1/language

cd services
cd locale

fatal@88-209-248-14:~/services/locale$ ls
ca_ES  de_DE  el_GR  en_US  es_ES  fr_FR  hu_HU  it_IT  nl_NL  pl_PL  pt_PT  ru_RU  tr_TR

cd ..
cd anope*
./Config
make
make install

languages = "ca_ES.UTF-8 de_DE.UTF-8 el_GR.UTF-8 es_ES.UTF-8 fr_FR.UTF-8 hu_HU.UTF-8 it_IT.UTF-8 nl_NL.UTF-8 pl_PL.UTF-8 pt_PT.UTF-8 ru_RU.UTF-8 tr_TR.UTF-8"

    /*
     * Default language that non- and newly-registered nicks will receive messages in.
     * Set to "en" to enable English. Defaults to the language the system uses.
     */
    defaultlanguage = "tr_TR"
}