[Build] More Build Speed Improvements (#4959)

common/CMakeLists.txt

@@ -841,7 +841,7 @@ IF (UNIX)
     SET_SOURCE_FILES_PROPERTIES("patches/sod.cpp" "patches/sof.cpp" "patches/rof.cpp" "patches/rof2.cpp" "patches/uf.cpp" PROPERTIES COMPILE_FLAGS -O0)
 ENDIF (UNIX)
 
-IF (WIN32 AND EQEMU_BUILD_PCH)
+IF (EQEMU_BUILD_PCH)
     TARGET_PRECOMPILE_HEADERS(common PRIVATE pch/std-pch.h)
 ENDIF ()
 

common/pch/std-pch.h

@@ -1,34 +1,14 @@
-// types
-#include <limits>
-#include <string>
-#include <cctype>
-#include <sstream>
+#pragma once
 
-// containers
-#include <iterator>
-#include <set>
-#include <unordered_set>
+// Lightweight, widely used
+#include <string>
+#include <vector>
 #include <map>
 #include <unordered_map>
-#include <list>
-#include <vector>
-
-// utilities
-#include <iostream>
-#include <cassert>
-#include <cmath>
 #include <memory>
-#include <functional>
-#include <algorithm>
-#include <utility>
-#include <tuple>
-#include <fstream>
-#include <cstdio>
+#include <limits>
+#include <cstdint>
+#include <cassert>
 
 // fmt
 #include <fmt/format.h>
-
-// lua
-#include "lua.hpp"
-#include <luabind/luabind.hpp>
-#include <luabind/object.hpp>