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- Subject: Re: Lua 5.1 (beta) now available
- From: Mike Pall <mikelu-0511@...>
- Date: Fri, 18 Nov 2005 16:05:07 +0100
Luiz Henrique de Figueiredo wrote:
> There is still work to be done on the Makefiles and installation instructions
> (as per suggestions by Mike Pall and others), and also on the manual,
Well, since you mention the manual:
- LUA_COMPAT_FIND is gone but still mentioned in the manual.
- luaopen_* functions must be lua_call()'ed (chapter 5 and changes).
- A big fat warning about the side-effects of DirectX/Direct3D
is needed in the manual (and maybe in INSTALL, too):
A warning for users of DirectX/Direct3D: You MUST set the
D3DCREATE_FPU_PRESERVE flag upon initialization when you
use Lua in the same thread. Otherwise you'll encounter
strange behaviour -- complain to Microsoft, not to us.
Misc. other things:
- The difference between the 'posix' target and the 'bsd' target
is the use of dlopen() plus the -Wl,-E option for the GNU linker.
Technically this has little to do with BSD anymore. Maybe this
target should be renamed "posixdl" and the instructions should
recommend trying this one first.
- The module directories should be created and strict.lua should
be installed. Any number of messages on the list in the future
will probably recommend to use lua -lstrict and this doesn't
work if not installed by default.
- etc/lua.pc should include variables for the standard/preferred
module directories to install modules.
- Even after a few days of discovering it, I'm not sure what
table.maxn() is good for. IMHO it's superfluous and may
- I suggest to make the NaN tests explicit and overridable:
#define luai_numisnan(a) ((a)!=(a))
[In case anyone wonders: isnan() is only defined in C99.]
This macro should be used in luaH_set() and constfolding().
But I'm not sure I found all instances of this test (which
is another good reason for making it explicit).
> but we want to freeze 5.1 beta so that we can concentrate on 5.1 final,
> which we still plan to release by the end of the year.
Xmas is in 5 weeks. :-)