せっかくMacを使っているのでHomebrewのFormulaを作ってみました。GNU Screenの開発版をインストールできます。画面の縦分割やレイアウトが使えます。
$ brew install https://raw.github.com/gist/2157166/2c2dd118f127236220c7c0fa782761206e2baa85/screen-devel.rb
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==> Installing screen-devel dependency: autoconf
==> Downloading http://ftpmirror.gnu.org/autoconf/autoconf-2.68.tar.gz
Already downloaded: /Library/Caches/Homebrew/autoconf-2.68.tar.gz
==> Patching
patching file bin/autoreconf.in
==> ./configure --prefix=/usr/local/Cellar/autoconf/2.68
==> make install
/usr/local/Cellar/autoconf/2.68: 66 files, 2.6M, built in 6 seconds
==> Installing screen-devel
==> Downloading http://git.savannah.gnu.org/cgit/screen.git/snapshot/screen-mast
Already downloaded: /Library/Caches/Homebrew/screen-devel-master.tar.gz
==> autoconf
==> autoheader
==> ./configure --enable-colors256 --prefix=/usr/local/Cellar/screen-devel/maste
==> make
==> make install
/usr/local/Cellar/screen-devel/master: 23 files, 916K, built in 13 seconds
依存ライブラリとして
autoconf
がインストールされます。