add configuration envs

premake5.lua

@@ -2,7 +2,7 @@ solution "ygo"
     location "build"
     language "C++"
     objdir "obj"
-    if os.ishost("windows") or os.getenv("USE_IRRKLANG") then
+    if (os.ishost("windows") or os.getenv("USE_IRRKLANG")) and not os.getenv("NO_IRRKLANG") then
         USE_IRRKLANG = true
         if os.getenv("irrklang_pro") then
             IRRKLANG_PRO = true
@@ -19,11 +19,13 @@ solution "ygo"
         systemversion "latest"
         startproject "ygopro"
 
+if not os.getenv("YGOPRO_NO_XP_TOOLSET") then
     configuration { "windows", "vs2017" }
         toolset "v141_xp"
 
     configuration { "windows", "not vs2017" }
         toolset "v140_xp"
+end
 
     configuration "bsd"
         defines { "LUA_USE_POSIX" }