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package as lang/lua51. I've adjusted the depends and switched the PKGNAMEs but these packages are otherwise unchanged. This means that you can't install both at once. There are preliminary patches for that (see tech-pkg) but they aren't quite ready yet. This also doesn't include agc's builtin.mk, although it should be possible to drop it into the lua51 package with only very minor modifications. I don't think the builtin packages will allow having one builtin.mk for both lua51 and lua52, but I'd be happy to be shown wrong about that. Add infrastructure support for Lua module packages (including multiversion support), application packages written in Lua, and a redirecting bl3.mk file for packages that just link Lua in. This is based on the Python infrastructure. The new variable LUA_VERSION_DEFAULT picks which Lua package you get by default; it is set to 52 so as to maintain the status quo. Packages can set LUA_VERSIONS_ACCEPTED and/or LUA_VERSIONS_INCOMPATIBLE. I have found (I think) most or all the packages that don't work with lua51 and will be marking those; I have not tracked down most of the ones that don't work with lua52 yet as I was originally intending to roll back to 5.1 as the default.
21 lines
1.1 KiB
Text
21 lines
1.1 KiB
Text
Lua is a powerful, light-weight programming language designed for
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extending applications. Lua is also frequently used as a
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general-purpose, stand-alone language.
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Lua combines simple procedural syntax (similar to Pascal) with
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powerful data description constructs based on associative arrays and
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extensible semantics. Lua is dynamically typed, interpreted from
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bytecodes, and has automatic memory management, making it ideal for
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configuration, scripting, and rapid prototyping.
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Lua is a language engine that you can embed into your application.
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This means that, besides syntax and semantics, Lua has an API that
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allows the application to exchange data with Lua programs and also to
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extend Lua with C functions. In this sense, Lua can be regarded as a
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language framework for building domain-specific languages.
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Lua is implemented as a small library of C functions, written in ANSI
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C, and compiles unmodified in all known platforms. The implementation
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goals are simplicity, efficiency, portability, and low embedding cost.
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The result is a fast language engine with small footprint, making it
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ideal in embedded systems too.
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