Re: [vim/vim] patch 8.2.1054: not so easy to pass a lua function to Vim (801ab06)

[lacygoill]

This commit breaks Vim's compilation when enabling the lua interface with --enable-luainterp=dynamic. The compiler complains about an undefined reference to luaL_ref:

/home/user/Vcs/vim/src/if_lua.c:622: undefined reference to `luaL_ref'
/home/user/Vcs/vim/src/if_lua.c:627: undefined reference to `luaL_ref'
/home/user/Vcs/vim/src/if_lua.c:610: undefined reference to `luaL_ref'
objects/if_lua.o: In function `luaV_call_lua_func_free':
/home/user/Vcs/vim/src/if_lua.c:2510: undefined reference to `luaL_unref'
/home/user/Vcs/vim/src/if_lua.c:2513: undefined reference to `luaL_unref'
collect2: error: ld returned 1 exit status
link.sh: Linking failed
Makefile:2132: recipe for target 'vim' failed
make[1]: *** [vim] Error 1
make[1]: Leaving directory '/home/user/Vcs/vim/src'
Makefile:26: recipe for target 'first' failed
make: *** [first] Error 2

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[Bram Moolenaar]

> This commit breaks Vim's compilation when enabling the lua interface with `--enable-luainterp=dynamic`. The compiler complains about an undefined reference to `luaL_ref`:

>
> /home/user/Vcs/vim/src/if_lua.c:622: undefined reference to `luaL_ref'
> /home/user/Vcs/vim/src/if_lua.c:627: undefined reference to `luaL_ref'
> /home/user/Vcs/vim/src/if_lua.c:610: undefined reference to `luaL_ref'
> objects/if_lua.o: In function `luaV_call_lua_func_free':
> /home/user/Vcs/vim/src/if_lua.c:2510: undefined reference to `luaL_unref'
> /home/user/Vcs/vim/src/if_lua.c:2513: undefined reference to `luaL_unref'
> collect2: error: ld returned 1 exit status
> link.sh: Linking failed
> Makefile:2132: recipe for target 'vim' failed
> make[1]: *** [vim] Error 1
> make[1]: Leaving directory '/home/user/Vcs/vim/src'
> Makefile:26: recipe for target 'first' failed
> make: *** [first] Error 2

I guessed the types for these functions. It works for me, but I don't
know about other Lua versions. Please check the next patch.

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