Enable SDL_LEAN_AND_MEAN, SDL_RENDER_DISABLED, saves about 500kb in final exe

Build several projects that arent performance critical with /Os and /O1 under msvc windows

src/xenia/app/premake5.lua

@@ -119,6 +119,11 @@ project("xenia-app")
       "xenia-gpu-d3d12-trace-viewer",
       "xenia-ui-window-d3d12-demo",
     })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
 
   filter("platforms:Windows")
     -- Only create the .user file if it doesn't already exist.

src/xenia/cpu/premake5.lua

@@ -10,6 +10,11 @@ project("xenia-cpu")
     "xenia-base",
     "mspack",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     project_root.."/third_party/llvm/include",
   })

src/xenia/debug/ui/premake5.lua

@@ -12,6 +12,11 @@ project("xenia-debug-ui")
     "xenia-cpu",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   defines({
   })
   includedirs({

src/xenia/hid/premake5.lua

@@ -38,7 +38,11 @@ project("xenia-hid-demo")
   resincludedirs({
     project_root,
   })
-
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   filter("platforms:not Android-*")
     links({
       "xenia-helper-sdl",

src/xenia/ui/d3d12/premake5.lua

@@ -10,6 +10,11 @@ project("xenia-ui-d3d12")
     "xenia-base",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   local_platform_files()
   files({
     "../shaders/bytecode/d3d12_5_1/*.h",

src/xenia/ui/premake5.lua

@@ -14,7 +14,11 @@ project("xenia-ui")
   local_platform_files()
   removefiles({"*_demo.cc"})
   removefiles({"windowed_app_main_*.cc"})
-
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   filter("platforms:Android-*")
     -- Exports JNI functions.
     wholelib("On")

src/xenia/ui/vulkan/premake5.lua

@@ -10,6 +10,11 @@ project("xenia-ui-vulkan")
     "xenia-base",
     "xenia-ui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     project_root.."/third_party/Vulkan-Headers/include",
   })

src/xenia/vfs/premake5.lua

@@ -11,6 +11,11 @@ project("xenia-vfs")
   })
   defines({
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   recursive_platform_files()
   removefiles({"vfs_dump.cc"})
 

third_party/SDL2-static.lua

@@ -7,6 +7,8 @@ project("SDL2")
 
   defines({
     "HAVE_LIBC",
+	"SDL_LEAN_AND_MEAN=1",
+	"SDL_RENDER_DISABLED=1"
   })
   links({
     "setupapi.lib",

third_party/capstone.lua

@@ -11,6 +11,11 @@ project("capstone")
     "CAPSTONE_USE_SYS_DYN_MEM",
     "_LIB",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+	buildoptions({
+		"/Os",
+		"/O1"
+	})
   includedirs({
     "capstone",
     "capstone/include",

third_party/fmt.lua

@@ -8,6 +8,11 @@ project("fmt")
   defines({
     "_LIB",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   includedirs({
     "fmt/include",
   })

third_party/glslang-spirv.lua

@@ -10,6 +10,11 @@ project("glslang-spirv")
   })
   includedirs({
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   files({
     "glslang/SPIRV/bitutils.h",
     "glslang/SPIRV/disassemble.cpp",

third_party/imgui.lua

@@ -11,6 +11,11 @@ project("imgui")
   includedirs({
     "imgui",
   })
+  filter({"configurations:Release", "platforms:Windows"})
+    buildoptions({
+      "/Os",
+      "/O1"
+    })
   files({
     "imgui/imconfig.h",
     "imgui/imgui.cpp",