私は現在以下のようにコマンドでmecab-python3をインストールしようとしているのですが、以下のようなエラーが出てしまいます。
これはswigをインストールすれば、解決するという意味でしょうか...?もし、そうでなければmecab-python3をインストールする上での対処法を教えて頂けると助かります。

コマンド

$ pip install mecab-python3

メッセージ

Collecting mecab-python3
  Using cached https://files.pythonhosted.org/packages/ac/48/295efe525df40cbc2173748eb869290e81a57e835bc41f6d3834fc5dad5f/mecab-python3-0.996.1.tar.gz
Installing collected packages: mecab-python3
  Running setup.py install for mecab-python3 ... error
    Complete output from command /Users/bigbird/.pyenv/versions/3.5.0/bin/python3.5 -u -c "import setuptools, tokenize;__file__='/private/var/folders/1k/66c6_wsd065c5t8hdlx4rhpw0000gn/T/pip-install-n8jjn2wm/mecab-python3/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /private/var/folders/1k/66c6_wsd065c5t8hdlx4rhpw0000gn/T/pip-record-yaarv7bw/install-record.txt --single-version-externally-managed --compile:
    /Users/bigbird/.pyenv/versions/3.5.0/lib/python3.5/distutils/dist.py:261: UserWarning: Unknown distribution option: 'long_description_content_type'
      warnings.warn(msg)
    running install
    running build
    running build_py
    running build_ext
    building '_MeCab' extension
    swigging MeCab.i to MeCab_wrap.cpp
    swig -python -shadow -c++ -I/usr/local/include -o MeCab_wrap.cpp MeCab.i
    unable to execute 'swig': No such file or directory
    error: command 'swig' failed with exit status 1

    ----------------------------------------
Command "/Users/bigbird/.pyenv/versions/3.5.0/bin/python3.5 -u -c "import setuptools, tokenize;__file__='/private/var/folders/1k/66c6_wsd065c5t8hdlx4rhpw0000gn/T/pip-install-n8jjn2wm/mecab-python3/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /private/var/folders/1k/66c6_wsd065c5t8hdlx4rhpw0000gn/T/pip-record-yaarv7bw/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/var/folders/1k/66c6_wsd065c5t8hdlx4rhpw0000gn/T/pip-install-n8jjn2wm/mecab-python3/