Addressed review comments

CMakeLists.txt

@@ -7,14 +7,16 @@ include(DownloadExternals)
 include(CMakeDependentOption)
 
 if (APPLE)
-    set(CMAKE_OSX_ARCHITECTURES "x86_64")
-    set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14.0" CACHE STRING "")
     project(yuzu C CXX ASM)
     option(OSX_USE_DEFAULT_SEARCH_PATH "Don't prioritize system library paths" OFF)
 else()
     project(yuzu)
 endif()
 
+# Pin build to minimum supported OSX version.
+# 10.15 supports metal 3 so has additional unsupported MVK extensions
+set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14.0" CACHE STRING "")
+
 # Set bundled sdl2/qt as dependent options.
 # OFF by default, but if ENABLE_SDL2 and MSVC are true then ON
 option(ENABLE_SDL2 "Enable the SDL2 frontend" ON)

src/CMakeLists.txt

@@ -51,10 +51,6 @@ if (MSVC)
     set(CMAKE_EXE_LINKER_FLAGS_DEBUG   "/DEBUG /MANIFEST:NO" CACHE STRING "" FORCE)
     set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /MANIFEST:NO /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE)
 else()
-
-    if (APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL Clang)
-        add_compile_options("-stdlib=libc++")
-    endif()
     add_compile_options(
         -Wall
         -Werror=implicit-fallthrough

src/video_core/video_core.cpp

@@ -46,9 +46,7 @@ std::unique_ptr<Tegra::GPU> CreateGPU(Core::Frontend::EmuWindow& emu_window, Cor
         return std::make_unique<VideoCommon::GPUAsynch>(system, std::move(renderer),
                                                         std::move(context));
     }
-    auto res =
-        std::make_unique<VideoCommon::GPUSynch>(system, std::move(renderer), std::move(context));
-    return res;
+    return std::make_unique<VideoCommon::GPUSynch>(system, std::move(renderer), std::move(context));
 }
 
 u16 GetResolutionScaleFactor(const RendererBase& renderer) {

src/yuzu/bootmanager.cpp

@@ -8,10 +8,6 @@
 #include <QHBoxLayout>
 #include <QKeyEvent>
 #include <QMessageBox>
-#ifndef __APPLE__
-#include <QOffscreenSurface>
-#include <QOpenGLContext>
-#endif
 #include <QPainter>
 #include <QScreen>
 #include <QStringList>

src/yuzu_cmd/CMakeLists.txt

@@ -44,6 +44,6 @@ if (MSVC)
     copy_yuzu_unicorn_deps(yuzu-cmd)
 endif()
 
-if (APPLE)
+if (APPLE AND ENABLE_VULKAN)
     target_include_directories(yuzu-cmd PRIVATE ../../externals/MoltenVK/include)
 endif()