improve lcurses and lua package

src/core/lcurses/lcurses.c

@@ -63,6 +63,9 @@ Notes:
 #include <stdlib.h>
 #include <string.h>
 
+#ifndef LUAJIT
+#   define LUA_COMPAT_5_1
+#endif
 #include "luaconf.h"
 #undef LUA_API
 #if defined(__cplusplus)
@@ -71,7 +74,11 @@ Notes:
 #define LUA_API extern
 #endif
 
-#include "luajit.h"
+#ifdef LUAJIT
+#   include "luajit.h"
+#else
+#   include "lua.h"
+#endif
 #include "lualib.h"
 #include "lauxlib.h"
 
@@ -339,7 +346,10 @@ static chtype lc_checkch(lua_State *L, int index)
     if (lua_type(L, index) == LUA_TSTRING)
         return *lua_tostring(L, index);
 
+#if LUA_VERSION_NUM <= 501
     luaL_typerror(L, index, "chtype");
+#endif
+
     /* never executes */
     return (chtype)0;
 }
@@ -2330,7 +2340,11 @@ __export int luaopen_ltui_lcurses (lua_State *L)
     lua_pushliteral(L, "__index");
     lua_pushvalue(L, -2);               /* push metatable */
     lua_rawset(L, -3);                  /* metatable.__index = metatable */
+#if LUA_VERSION_NUM <= 501
     luaL_openlib(L, NULL, windowlib, 0);
+#else
+    luaL_setfuncs(L, windowlib, 0);
+#endif
 
     lua_pop(L, 1);                      /* remove metatable from stack */
 
@@ -2341,7 +2355,11 @@ __export int luaopen_ltui_lcurses (lua_State *L)
     lua_pushliteral(L, "__index");
     lua_pushvalue(L, -2);               /* push metatable */
     lua_rawset(L, -3);                  /* metatable.__index = metatable */
+#if LUA_VERSION_NUM <= 501
     luaL_openlib(L, NULL, chstrlib, 0);
+#else
+    luaL_setfuncs(L, chstrlib, 0);
+#endif
 
     lua_pop(L, 1);                      /* remove metatable from stack */
 
@@ -2350,7 +2368,12 @@ __export int luaopen_ltui_lcurses (lua_State *L)
     ** create global table with curses methods/variables/constants
     */
     lua_newtable(L);
+#if LUA_VERSION_NUM <= 501
     luaL_register(L, NULL, curseslib);
+#else
+    lua_newtable(L);
+    luaL_setfuncs(L, curseslib, 0);
+#endif
 
     lua_pushstring(L, "init");
     lua_pushvalue(L, -2);

src/core/lcurses/xmake.lua

@@ -13,7 +13,12 @@ target("lcurses")
     add_files("lcurses.c") 
 
     -- add packages
+    if has_config("luajit") then
+        add_defines("LUAJIT")
         add_packages("luajit")
+    else
+        add_packages("lua")
+    end
   
     -- add links
     if is_plat("windows") then

src/core/xmake.lua

@@ -28,8 +28,20 @@ if is_plat("windows") then
     add_links("kernel32", "user32", "gdi32", "advapi32")
 end
 
+-- option: luajit
+option("luajit")
+    set_default(false)
+    set_showmenu(true)
+    set_category("option")
+    set_description("Enable the luajit runtime engine.")
+option_end()
+
 -- add requires
-add_requires("luajit")
+if has_config("luajit") then
+    add_requires("luajit", {nolink = true})
+else
+    add_requires("lua", {nolink = true})
+end
 
 -- add target
 target("ltui")
@@ -43,6 +55,11 @@ target("ltui")
     -- set target directory
     set_targetdir("$(buildir)")
 
+    -- dynamic lookup liblua symbols
+    if is_plat("macosx") then
+        add_shflags("-undefined dynamic_lookup")
+    end
+
 -- add projects
 includes("lcurses")
 if is_plat("windows") then

tests/load.lua

@@ -1,4 +1,3 @@
 -- init load directories 
 package.path  = package.path .. ';./src/?.lua'
 package.cpath = package.cpath .. ';./build/ltui.dll;./build/libltui.so;./build/libltui.dylib'
-