Mac OSX10.6.4でターミナルからのlftp-4.0.9インストール中にエラーが出ます。

エラーの解決方法、ヒントをご教授ください。
○過程でインストールしたもの
libgcrypt-1.4.6
libgpg-error-1.9
pkg-config-0.25
gnutls-2.10.0

○エラー内容（./configureの後、makeでエラー）
前半略
Job.h: In member function ‘void Job::ClearStatus()’:
Job.h:80: warning: format not a string literal and no format arguments
complete.cc: In function ‘char** lftp_completion(const char*, int, int)’:
complete.cc:623: error: ‘rl_ignore_some_completions_function’ was not declared in this scope
complete.cc:765: error: ‘rl_save_prompt’ was not declared in this scope
complete.cc:793: error: ‘rl_restore_prompt’ was not declared in this scope
complete.cc:794: error: ‘rl_clear_message’ was not declared in this scope
complete.cc:808: error: ‘rl_message’ was not declared in this scope
complete.cc:819: error: ‘rl_restore_prompt’ was not declared in this scope
complete.cc:820: error: ‘rl_clear_message’ was not declared in this scope
complete.cc: In function ‘char* bash_quote_filename(char*, int, char*)’:
complete.cc:1178: error: ‘MULT_MATCH’ was not declared in this scope
complete.cc: In function ‘int lftp_rl_getc(FILE*)’:
complete.cc:1257: error: ‘rl_kill_full_line’ was not declared in this scope
make[1]: *** [complete.o] Error 1
make: *** [all-recursive] Error 1