Re: 5.1: LUA_VERSION_NUM

[Peter Kümmel <syntheticpp@...>]

Philippe Lhoste wrote:
> Peter Kümmel wrote:
>
> > lua.h:
> >
> > #define LUA_VERSION    "Lua 5.1 (alpha)"
> > #define LUA_VERSION_NUM    501
> >
> > 501 reads like 5.01, isn't 510 the
>
>
> The latest versions of Lua 5.0 is 5.0.1, not 5.01.

As I know the latest version is 5.0.2, and here we talk
about the alpha, with the version number 5.1 or 5.1.0 .

> > correct dotless number for 5.10?
>
>
> We are not yet at 5.10, let's have 5.1, then 5.2, 5.3... 5.9 before...
>
> IMHO, one great mistake about version numbers is to see them as float 
> numbers...
>
> Microsoft uses officially four numbers in versions, something like 
> 5.1.22.125: major, minor, bugfix release and build number or something 
> along these lines.
>
> Yet, they goofed, releasing a Windows 3.11 (for Workgroups) after 3.1, 
> without versions 3.2, ... 3.10.
> It probably didn't helped against the confusion.
>
> Of course, since that's mostly a convention, nothing prevent you to use 
> whatever notation that fits you, but I believe the multi-dot notation is 
> used in many open source projects.

You are right, I forgot the dot.
Does 501 mean 5.01.00? So the version number of 5.0.2 (5.00.02)
should be 50002.

If there will be a first bug fix of 5.1 with the number 5.1.1, then
it will have the number 50101, am I right.

Following this convention, LUA_VERSION_NUM of the current alpha should
be 50100 thus you can check for newer versions (if you add LUA_VERSION_NUM
to older versions of lua):

#if LUA_VERSION_NUM > 50002 (this does not work with the actual value 501)

Peter