Re: Makefile vs LUA_PATH inconsistency

[Dirk Laurie <dirk.laurie@...>]

2014-05-16 9:19 GMT+02:00 Thijs Schreijer <thijs@thijsschreijer.nl>:
>
>
>> -----Original Message-----
>> From: lua-l-bounces@lists.lua.org [mailto:lua-l-bounces@lists.lua.org] On
>> Behalf Of Dirk Laurie
>> Sent: vrijdag 16 mei 2014 7:46
>> To: Lua mailing list
>> Subject: Re: Makefile vs LUA_PATH inconsistency
>>
>> 2014-05-15 20:47 GMT+02:00 Thijs Schreijer <thijs@thijsschreijer.nl>:
>> > When building Lua using MinGW, the following structure is produced;
>> >
>> > {root}
>> >   +-- bin
>> >   +-- include
>> >   +-- lib
>> >   |    +-- lua
>> >   |         +-- 5.2
>> >   +-- man
>> >   |    +-- man1
>> >   +-- share
>> >        +-- lua
>> >             +-- 5.2
>> >
>> > But checking the default paths; (added some linebreaks for readability)
>> > C:\Temp\lua\5.2>bin\lua
>> > Lua 5.2.1  Copyright (C) 1994-2012 Lua.org, PUC-Rio
>> >> print("PATH: "..package.path .. "\n\nCPATH: " .. package.cpath)
>> > PATH:
>> > C:\Temp\lua\5.2\bin\lua\?.lua;
>> > C:\Temp\lua\5.2\bin\lua\?\init.lua;
>> > C:\Temp\lua\5.2\bin\?.lua;
>> > C:\Temp\lua\5.2\bin\?\init.lua;
>> > .\?.lua
>> >
>> > CPATH:
>> > C:\Temp\lua\5.2\bin\?.dll;
>> > C:\Temp\lua\5.2\bin\loadall.dll;
>> > .\?.dll
>> >>
>> >
>> > So any files placed in the generated ./lib/lua/5.2/ or ./share/lua/5.2/
>> paths will not be found. So the make file is inconsistent with the default
>> paths.
>> >
>> > Shouldn't the default paths be updated to include those locations, and
>> make it consistent?
>>
>> It has nothing to do with the Makefile. As the manual states,
>> default paths are in luaconf.h. The relevant lines are:
>>
>> #if defined(_WIN32)     /* { */
>> /*
>> ** In Windows, any exclamation mark ('!') in the path is replaced by the
>> ** path of the directory of the executable file of the current process.
>> */
>> #define LUA_LDIR        "!\\lua\\"
>> #define LUA_CDIR        "!\\"
>> #define LUA_PATH_DEFAULT  \
>>                 LUA_LDIR"?.lua;"  LUA_LDIR"?\\init.lua;" \
>>                 LUA_CDIR"?.lua;"  LUA_CDIR"?\\init.lua;" ".\\?.lua"
>> #define LUA_CPATH_DEFAULT \
>>                 LUA_CDIR"?.dll;" LUA_CDIR"loadall.dll;" ".\\?.dll"
>>
>> Not being a Windows user, I have no idea why it is done this
>> way, but others that do have that exquisite privilege may know.
>
> I'm aware of this. But it’s the inconsistency between luaconf.h and the makefile (default behaviors) that I intended to address.

The Makefile that comes with Lua, as downloaded from lua.org, has
Linux defaults.

$ make echo | grep MOD
INSTALL_LMOD= /usr/local/share/lua/5.2
INSTALL_CMOD= /usr/local/lib/lua/5.2

What does yours look like? If different, who changed it?