From ce9413e5494b7025a2f73f54f7438a756fcecf82 Mon Sep 17 00:00:00 2001
From: Shawn Hoffman <godisgovernment@gmail.com>
Date: Wed, 19 Apr 2023 12:05:24 -0700
Subject: [PATCH] cmake: drop qt5

---
 Source/Core/DolphinQt/CMakeLists.txt | 49 ++++++++--------------------
 1 file changed, 14 insertions(+), 35 deletions(-)

diff --git a/Source/Core/DolphinQt/CMakeLists.txt b/Source/Core/DolphinQt/CMakeLists.txt
index 1ef8c0cb64..8b3f72f580 100644
--- a/Source/Core/DolphinQt/CMakeLists.txt
+++ b/Source/Core/DolphinQt/CMakeLists.txt
@@ -13,16 +13,10 @@ endif()
 
 set(CMAKE_AUTOMOC ON)
 
-# For some reason the method in Qt6 documentation is not working (at least on ubuntu jammy)
-# When Qt5 and Qt6 are given in same NAMES entry, only Qt5 is ever found.
-find_package(QT NAMES Qt6 COMPONENTS Core Gui Widgets)
-if(NOT QT_DIR)
-  find_package(QT NAMES Qt5 COMPONENTS Core Gui Widgets)
-endif()
-find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Core Gui Widgets)
-message(STATUS "Found Qt version ${QT_VERSION}")
+find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets)
+message(STATUS "Found Qt version ${Qt6_VERSION}")
 
-set_property(TARGET Qt${QT_VERSION_MAJOR}::Core PROPERTY INTERFACE_COMPILE_FEATURES "")
+set_property(TARGET Qt6::Core PROPERTY INTERFACE_COMPILE_FEATURES "")
 
 add_executable(dolphin-emu
   AboutDialog.cpp
@@ -374,13 +368,13 @@ PRIVATE
 target_include_directories(dolphin-emu
 PRIVATE
   ${CMAKE_CURRENT_BINARY_DIR}
-  ${Qt${QT_VERSION_MAJOR}Gui_PRIVATE_INCLUDE_DIRS}
+  ${Qt6Gui_PRIVATE_INCLUDE_DIRS}
 )
 
 target_link_libraries(dolphin-emu
 PRIVATE
   core
-  Qt${QT_VERSION_MAJOR}::Widgets
+  Qt6::Widgets
   uicommon
   imgui
   implot
@@ -408,14 +402,9 @@ if (MSVC)
   # Qt 6.3.0 headers use std::aligned_storage instead of alignas
   target_compile_definitions(dolphin-emu PRIVATE _SILENCE_CXX23_ALIGNED_STORAGE_DEPRECATION_WARNING)
 
-  if ("${QT_VERSION_MAJOR}" GREATER_EQUAL 6)
-    # Qt6 requires RTTI
-    remove_cxx_flag_from_target(dolphin-emu "/GR-")
-    target_compile_options(dolphin-emu PRIVATE "/GR")
-  else()
-    # Add precompiled header
-    target_link_libraries(audiocommon PRIVATE use_pch)
-  endif()
+  # Qt6 requires RTTI
+  remove_cxx_flag_from_target(dolphin-emu "/GR-")
+  target_compile_options(dolphin-emu PRIVATE "/GR")
 endif()
 
 if(WIN32)
@@ -448,17 +437,10 @@ if(WIN32)
   )
 
   # Delegate to Qt's official deployment binary on Windows to copy over the necessary Qt-specific libraries, etc.
-  get_target_property(MOC_EXECUTABLE_LOCATION Qt${QT_VERSION_MAJOR}::moc IMPORTED_LOCATION)
+  get_target_property(MOC_EXECUTABLE_LOCATION Qt6::moc IMPORTED_LOCATION)
   get_filename_component(QT_BINARY_DIRECTORY "${MOC_EXECUTABLE_LOCATION}" DIRECTORY)
   find_program(WINDEPLOYQT_EXE windeployqt HINTS "${QT_BINARY_DIRECTORY}")
 
-  if ("${QT_VERSION_MAJOR}" LESS 6)
-    set(NO_ANGLE_PARAM "--no-angle")
-  else()
-    # parameter no longer exists in Qt6
-    set(NO_ANGLE_PARAM "")
-  endif()
-
   # Note: We set the PATH for the duration of this command so that the
   #       deployment application is able to locate the Qt libraries to copy.
   #       if the necessary paths aren't already set beforehand.
@@ -481,7 +463,6 @@ if(WIN32)
                                  --no-translations
                                  --no-compiler-runtime
                                  --no-system-d3d-compiler
-                                 "${NO_ANGLE_PARAM}"
                                  --no-opengl-sw
                                  "$<TARGET_FILE:dolphin-emu>"
   )
@@ -560,18 +541,16 @@ if(APPLE)
   target_sources(dolphin-emu PRIVATE "${CMAKE_SOURCE_DIR}/Data/Dolphin.icns")
   set_source_files_properties("${CMAKE_SOURCE_DIR}/Data/Dolphin.icns" PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
 
-  # Plugins have to be manually included with Qt 6
-  if (QT_VERSION_MAJOR EQUAL 6)
-    find_package(Qt6QMacStylePlugin REQUIRED PATHS ${Qt6Widgets_DIR})
-    find_package(Qt6QCocoaIntegrationPlugin REQUIRED PATHS ${Qt6Gui_DIR})
-  endif()
+  # Manually include plugins
+  find_package(Qt6QMacStylePlugin REQUIRED PATHS ${Qt6Widgets_DIR})
+  find_package(Qt6QCocoaIntegrationPlugin REQUIRED PATHS ${Qt6Gui_DIR})
 
   # Copy Qt plugins into the bundle
-  get_target_property(qtcocoa_location Qt${QT_VERSION_MAJOR}::QCocoaIntegrationPlugin LOCATION)
+  get_target_property(qtcocoa_location Qt6::QCocoaIntegrationPlugin LOCATION)
   target_sources(dolphin-emu PRIVATE "${qtcocoa_location}")
   set_source_files_properties("${qtcocoa_location}" PROPERTIES MACOSX_PACKAGE_LOCATION MacOS/platforms)
 
-  get_target_property(qtmacstyle_location Qt${QT_VERSION_MAJOR}::QMacStylePlugin LOCATION)
+  get_target_property(qtmacstyle_location Qt6::QMacStylePlugin LOCATION)
   target_sources(dolphin-emu PRIVATE "${qtmacstyle_location}")
   set_source_files_properties("${qtmacstyle_location}" PROPERTIES MACOSX_PACKAGE_LOCATION MacOS/styles)