dwc: $(O_FILES)
        rm -f dwc
        $(CC) $(L_FLAGS) -o dwc $(O_FILES) 
        chmod g+w dwc.exe
        chmod a+x dwc.exe
        chmod g+w $(O_FILES)

dwc: $(O_FILES)
        rm -f dwc
        $(CC) -o dwc $(O_FILES) $(L_FLAGS)
        chmod g+w dwc
        chmod a+x dwc
        chmod g+w $(O_FILES)

http://www.lua.org/ftp/lua-5.1.3.tar.gz

Linux vermaxhosting.com 2.6.24-25-generic #1 SMP Tue Oct 20 07:31:10 UTC 2009 i686 GNU/Linux

Lua 5.1.3  Copyright (C) 1994-2008 Lua.org, PUC-Rio

The symbols you are missing seem to be in liblua.a:

$ nm liblua.a 
...
000014d0 T lua_gettable
000001c0 T lua_gettop
00000750 T lua_getupvalue
00000060 R lua_ident
00000280 T lua_insert
00000360 T lua_iscfunction
00001750 T lua_isnumber
00000390 T lua_isstring
000003c0 T lua_isuserdata
00001790 T lua_lessthan
00000d10 T lua_load
00001a10 T lua_newthread
...

#include "lua.h"

L_FLAGS = $(OPT_FLAG) $(PROF) $(SOLARIS_LINK) $(NEED_CRYPT) liblua.a -lm

lauxlib.h, lua.h, luaconf.h, lualib.h are all located in /usr/local/include/
 
liblua.a is located in /usr/local/lib/

gcc     liblua.a -lm -o dwc act_comm.o act_info.o
act_move.o act_obj.o act_wiz.o ban.o boards.o build.o
clans.o color.o comm.o comments.o const.o db.o deity.o 
dwc.o editor.o fight.o grub.o handler.o hashstr.o house.o 
ibuild.o ident.o imm_host.o interp.o lua_bits.o 
lua_scripting.o lua_tables.o magic.o makeobjs.o mapout.o 
misc.o mpxset.o mud_comm.o mud_prog.o mt19937ar.o 
new_auth.o overland.o planes.o player.o polymorph.o 
requests.o reset.o save.o services.o sha256.o shops.o 
skills.o smithing.o special.o stat_obj.o tables.o track.o 
update.o

lua_scripting.o: In function `L_find_room':
/home/talairina/src/lua_scripting.c:137: undefined reference to `lua_isnumber'
/home/talairina/src/lua_scripting.c:139: undefined reference to `luaL_checknumber'
/home/talairina/src/lua_scripting.c:141: undefined reference to `luaL_error'
lua_scripting.o: In function `L_find_character':
/home/talairina/src/lua_scripting.c:180: undefined reference to `lua_type'
/home/talairina/src/lua_scripting.c:181: undefined reference to `lua_type'
/home/talairina/src/lua_scripting.c:186: undefined reference to `luaL_checkudata'
/home/talairina/src/lua_scripting.c:204: undefined reference to `luaL_error'
/home/talairina/src/lua_scripting.c:212: undefined reference to `lua_toboolean'
/home/talairina/src/lua_scripting.c:225: undefined reference to `luaL_checknumber'
/home/talairina/src/lua_scripting.c:238: undefined reference to `luaL_error'
/home/talairina/src/lua_scripting.c:251: undefined reference to `lua_toboolean'
/home/talairina/src/lua_scripting.c:268: undefined reference to `luaL_optlstring'