Remove WinXP support from build configuration (#2887)

premake/event/premake5.lua

@@ -10,9 +10,6 @@ project "event"
     if EVENT_VERSION>=0x02020000 then
         print("Warning: Using libevent version 2.2.x is not supported, please use 2.1.x, otherwise you may encounter issues.")
     end
-    if EVENT_VERSION>=0x02010000 and WINXP_SUPPORT then
-        print("Warning: libevent 2.1 uses some new APIs which require Windows Vista or later, so WinXP support will be invalid.")
-    end
 
     includedirs { "include", "compat" }
 

premake5.lua

@@ -83,7 +83,6 @@ newoption { trigger = "irrklang-pro-release-lib-dir", category = "YGOPro - irrkl
 newoption { trigger = "irrklang-pro-debug-lib-dir", category = "YGOPro - irrklang - pro", description = "", value = "PATH" }
 newoption { trigger = 'build-ikpmp3', category = "YGOPro - irrklang - ikpmp3", description = "" }
 
-newoption { trigger = "winxp-support", category = "YGOPro", description = "" }
 newoption { trigger = "mac-arm", category = "YGOPro", description = "Compile for Apple Silicon Mac" }
 newoption { trigger = "mac-intel", category = "YGOPro", description = "Compile for Intel Mac" }
 
@@ -233,10 +232,6 @@ if USE_AUDIO then
     end
 end
 
-if GetParam("winxp-support") and os.istarget("windows") then
-    WINXP_SUPPORT = true
-end
-
 if os.istarget("macosx") then
     if GetParam("mac-arm") then
         MAC_ARM = true
@@ -260,12 +255,7 @@ workspace "YGOPro"
     filter "system:windows"
         systemversion "latest"
         startproject "YGOPro"
-        if WINXP_SUPPORT then
-            defines { "WINVER=0x0501" }
-            toolset "v141_xp"
-        else
-            defines { "WINVER=0x0601" } -- WIN7
-        end
+        defines { "WINVER=0x0601" } -- WIN7
         platforms { "Win32", "x64" }
 
     filter { "system:windows", "platforms:Win32" }
@@ -323,9 +313,7 @@ workspace "YGOPro"
 
     filter "action:vs*"
         cdialect "C11"
-        if not WINXP_SUPPORT then
-           conformancemode "On" 
-        end
+        conformancemode "On" 
         vectorextensions "SSE2"
         buildoptions { "/utf-8" }
         defines { "_CRT_SECURE_NO_WARNINGS" }