Switch scons to use internal lua.

SConstruct

@@ -306,7 +306,6 @@ if env["prereqs"]:
     have_client_prereqs = have_server_prereqs and \
         conf.CheckPango("cairo") and \
         conf.CheckPKG("fontconfig") and \
-        conf.CheckLua(require_version = "5.1") and \
         conf.CheckBoost("regex", require_version = "1.35.0") and \
         conf.CheckSDL("SDL_ttf", require_version = "2.0.8") and \
         conf.CheckSDL("SDL_mixer", require_version = '1.2.0') and \

src/SConscript

@@ -421,6 +421,9 @@ if env["editor"]:
     wesnoth_sources += wesnoth_editor_sources
 
 libwesnoth_extras = client_env.Library("wesnoth_extras", wesnoth_sources)
+
+lua = SConscript("lua/SConscript")
+
 #
 # Target declarations
 #
@@ -447,7 +450,7 @@ for env in [test_env, client_env, env]:
 
 game_cpp = client_env.Object("game.cpp", EXTRA_DEFINE = not env["pool_alloc"] and "DISABLE_POOL_ALLOC" or None);
 
-client_env.WesnothProgram("wesnoth", [game_cpp] + [libwesnoth_extras, libwesnoth_core, libwesnoth_sdl, libwesnoth, env["wesnoth_res"]], have_client_prereqs)
+client_env.WesnothProgram("wesnoth", [game_cpp] + [libwesnoth_extras, libwesnoth_core, libwesnoth_sdl, libwesnoth, lua, env["wesnoth_res"]], have_client_prereqs)
 
 campaignd_sources = Split("""
     server/input_stream.cpp

src/lua/SConscript

@@ -0,0 +1,35 @@
+# vi: syntax=python:et:ts=4
+Import("env")
+lua_sources = Split("""
+lapi.c                                               
+lcode.c                                             
+ldebug.c
+ldo.c
+ldump.c
+lfunc.c
+lgc.c
+llex.c
+lmem.c
+lobject.c
+lopcodes.c
+lparser.c
+lstate.c
+lstring.c
+ltable.c
+ltm.c
+lundump.c
+lvm.c
+lzio.c
+lauxlib.c
+lbaselib.c
+ldblib.c
+liolib.c
+lmathlib.c
+loslib.c
+ltablib.c
+lstrlib.c
+loadlib.c
+linit.c
+""")
+liblua = env.Library("lua", lua_sources, CCCOM = env["CXXCOM"], CPPPATH = [Dir(".").srcnode()])
+Return("liblua")