lua5.2.3をhomebrewでインストール（Mac）

$ brew tap homebrew/versions

$ brew search lua
lua   lua52     luabind   luajit    luarocks  metalua

$ brew install lua52
==> Downloading http://www.lua.org/ftp/lua-5.2.3.tar.gz
######################################################################## 100.0%
==> Patching
patching file Makefile
patching file src/Makefile
==> make macosx INSTALL_TOP=/usr/local/Cellar/lua52/5.2.3 INSTALL_MAN=/usr/local/Cellar/lua52/5.2.3/share/man/man1
==> make install INSTALL_TOP=/usr/local/Cellar/lua52/5.2.3 INSTALL_MAN=/usr/local/Cellar/lua52/5.2.3/share/man/man1
?  /usr/local/Cellar/lua52/5.2.3: 12 files, 276K, built in 4 seconds

$ lua -v
Lua 5.2.3  Copyright (C) 1994-2013 Lua.org, PUC-Rio