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Multi-lua for Windows script

This batchfile will download, compile and configure a Lua installation with versions 5.1, 5.2, 5.3, and 5.4 in parallel. Including the accompanying LuaRocks package manager for each version.

Prerequisites

Make sure you have a compiler in your path;

  • MinGW in your system path (msys is not required)
  • for MS compilers, call make.bat from the Visual Studio (or Win SDK) commandshell

Command

Command:
  MAKE [--clean] [--cleantarget] [--nocompat] [--51] [--52] [--53] [--54] [install [<location>]]

  --51,--52,--53,--54: specify the versions to install, default is to install
                       all versions. Applies only to installing, all versions will be
                       build independent of this option.
                       The first version listed will be set as the unversioned default.
  --clean            : removes downloaded and build artifacts, forcing a rebuild
  --cleantarget      : removes the target directory before installing. NOTE: the LuaRocks
                       installation will ALWAYS be removed, independent of this option!
  --nocompat         : build Lua without compatibility options. NOTE: this option
                       will not automatically clean. So clean when switching compatibility.
  install <location> : will install (and build if necessary) the Lua versions. Default
                       location is 'C:\Lua'

  --help             : Display this help text

Example: the following commands, executed after each other will;
  make install
                 Will download, build and install 4 Lua versions in 'C:\Lua', 5.1 will
                 be set as the default.

  make --51 --52 install C:\lua2
                 Will only install (no rebuild, binaries allready exist) 5.1 and 5.2 in
                 'C:\Lua2'. 5.1 will be set as the default.

  make --clean --53 --nocompat install C:\Lua_NoCompat
                 Will download and build all versions again, without compatibility options,
                 and then install only 5.3 in 'C:\Lua_NoCompat'. 5.3 will be set as the
                 default.

What it does

  • Downloads and unpacks sources of LuaRocks, LuaWinmake (used for building), and Lua
  • Compiles the Lua versions from source (using LuaWinMake)
  • Installs the Lua versions (versioned; using the LuaWinMake command installv)
  • Installs LuaRocks for each version
  • default Lua version will be set to Lua 5.1 (see setlua below)

Usage

Each Lua version will have its own executable; lua51.exe, lua52.exe, lua53.exe, and lua54.exe. And for LuaRocks 4 batchfiles will be generated; luarocks51.bat, luarocks52.bat, luarocks53.bat, and luarocks54.bat.

The luarocks batch files will be in the same directory as the lua executables, so only the Lua path has to be added to the system path.

The utility setlua.bat will setup default versions for Lua and LuaRocks unversioned commands. eg. setlua 54 will create a copy of lua54.exe as lua.exe, and will create a batch file luarocks.bat that will invoke luarocks54.bat. Besides that it will add the Lua location to the system path and install all LuaRocks system rocktrees into the respective Lua path environment variables.

Calling setlua.bat without a parameter will only set the paths and not change the unversioned lua and luarocks commands. This can be used as a Lua commandshell specific for this environment. For example; create a shortcut with target C:\Windows\System32\cmd.exe /k c:\lua\bin\setlua.bat (assuming the default Lua location c:\lua).

License

Copyright 2015-2023, Thijs Schreijer. MIT license for this project. Please note that other components are included which are covered by different licenses. See COPYING file for details.