Merge pull request #9300 from ameerj/pch

CMake: Use precompiled headers to improve compile times

src/common/CMakeLists.txt

@@ -37,6 +37,7 @@ add_library(common STATIC
     cache_management.cpp
     cache_management.h
     common_funcs.h
+    common_precompiled_headers.h
     common_types.h
     concepts.h
     div_ceil.h
@@ -95,6 +96,7 @@ add_library(common STATIC
     param_package.h
     parent_of_member.h
     point.h
+    precompiled_headers.h
     quaternion.h
     reader_writer_queue.h
     ring_buffer.h
@@ -183,3 +185,7 @@ else()
   target_link_libraries(common PRIVATE
     $<IF:$<TARGET_EXISTS:zstd::libzstd_shared>,zstd::libzstd_shared,zstd::libzstd_static>)
 endif()
+
+if (YUZU_USE_PRECOMPILED_HEADERS)
+    target_precompile_headers(common PRIVATE precompiled_headers.h)
+endif()

src/common/common_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 <array>
+#include <chrono>
+#include <memory>
+
+#include <fmt/format.h>
+
+#include "common/assert.h"
+#include "common/common_types.h"

src/common/precompiled_headers.h

@@ -0,0 +1,6 @@
+// SPDX-FileCopyrightText: 2022 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/common_precompiled_headers.h"

src/common/string_util.cpp

@@ -141,7 +141,7 @@ static std::wstring CPToUTF16(u32 code_page, const std::string& input) {
         MultiByteToWideChar(code_page, 0, input.data(), static_cast<int>(input.size()), nullptr, 0);
 
     if (size == 0) {
-        return L"";
+        return {};
     }
 
     std::wstring output(size, L'\0');
@@ -158,7 +158,7 @@ std::string UTF16ToUTF8(const std::wstring& input) {
     const auto size = WideCharToMultiByte(CP_UTF8, 0, input.data(), static_cast<int>(input.size()),
                                           nullptr, 0, nullptr, nullptr);
     if (size == 0) {
-        return "";
+        return {};
     }
 
     std::string output(size, '\0');