CMake: Use precompiled headers

src/core/CMakeLists.txt

@@ -771,6 +771,7 @@ add_library(core STATIC
     memory.h
     perf_stats.cpp
     perf_stats.h
+    precompiled_headers.h
     reporter.cpp
     reporter.h
     telemetry_session.cpp
@@ -825,3 +826,7 @@ if (ARCHITECTURE_x86_64 OR ARCHITECTURE_arm64)
     )
     target_link_libraries(core PRIVATE dynarmic)
 endif()
+
+if (YUZU_USE_PRECOMPILED_HEADERS)
+    target_precompile_headers(core PRIVATE precompiled_headers.h)
+endif()

src/core/precompiled_headers.h

@@ -0,0 +1,14 @@
+// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <algorithm>
+#include <chrono>
+#include <memory>
+
+#include <boost/container/flat_map.hpp> // used by service.h which is heavily included
+#include <boost/intrusive/rbtree.hpp>   // used by k_auto_object.h which is heavily included
+#include <fmt/format.h>
+
+#include "common/assert.h"