CMake: Remove Flatpak specific commands

Also no longer needed.

CMakeLists.txt

@@ -105,12 +105,6 @@ endif()
 # Write binaries to a seperate directory.
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
 
-# Installation directories. Everything goes into one directory.
-if(ALLOW_INSTALL)
-  set(CMAKE_INSTALL_BINDIR "${CMAKE_INSTALL_PREFIX}")
-  set(CMAKE_INSTALL_LIBDIR "${CMAKE_INSTALL_PREFIX}")
-endif()
-
 # Enable large file support on Linux 32-bit platforms.
 if(CMAKE_SIZEOF_VOID_P EQUAL 4)
   add_definitions("-D_FILE_OFFSET_BITS=64")

CMakeModules/CopyBaseTranslations.cmake

@@ -42,8 +42,6 @@ function(copy_base_translations target)
     target_sources(${target} PRIVATE ${path})
     if(APPLE)
       set_source_files_properties(${path} PROPERTIES MACOSX_PACKAGE_LOCATION Resources/translations)
-    elseif(ALLOW_INSTALL)
-      install(FILES "${path}" DESTINATION "${CMAKE_INSTALL_BINDIR}/translations")
     else()
       add_custom_command(TARGET ${target} POST_BUILD
         COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${path}" "$<TARGET_FILE_DIR:${target}>/translations")

CMakeModules/DuckStationBuildOptions.cmake

@@ -10,7 +10,6 @@ option(DISABLE_SSE4 "Build with SSE4 instructions disabled, reduces performance"
 if(LINUX OR BSD)
   option(ENABLE_X11 "Support X11 window system" ON)
   option(ENABLE_WAYLAND "Support Wayland window system" ON)
-  option(ALLOW_INSTALL "Allow installation to CMAKE_INSTALL_PREFIX" OFF)
 endif()
 if(APPLE)
   option(SKIP_POSTPROCESS_BUNDLE "Disable bundle post-processing, including Qt additions" OFF)

CMakeModules/DuckStationBuildSummary.cmake

@@ -26,15 +26,6 @@ if(BUILD_TESTS)
   message(STATUS "Building unit tests.")
 endif()
 
-if(ALLOW_INSTALL)
-  message(STATUS "Creating self-contained install at ${CMAKE_INSTALL_PREFIX}")
-
-  # Stop users being silly.
-  if("${CMAKE_INSTALL_PREFIX}" MATCHES "^/usr")
-    message(FATAL_ERROR "You are trying to install DuckStation into a system directory, this is not supported. Please use a different CMAKE_INSTALL_PREFIX.")
-  endif()
-endif()
-
 # Refuse to build in Arch package environments. My license does not allow for packages, and I'm sick of
 # dealing with people complaining about things broken by packagers. This is why we can't have nice things.
 if(DEFINED ENV{DEBUGINFOD_URLS})

CMakeModules/DuckStationDependencies.cmake

@@ -13,9 +13,9 @@ find_package(SDL3 3.2.22 REQUIRED)
 find_package(zstd 1.5.7 REQUIRED)
 find_package(WebP REQUIRED) # v1.4.0, spews an error on Linux because no pkg-config.
 find_package(ZLIB REQUIRED) # 1.3, but Mac currently doesn't use it.
-find_package(PNG 1.6.44 REQUIRED) # 1.6.48, but Flatpak is out of date.
+find_package(PNG 1.6.50 REQUIRED)
 find_package(JPEG REQUIRED)
-find_package(Freetype 2.13.2 REQUIRED) # 2.13.3, but flatpak is still on 2.13.2.
+find_package(Freetype 2.13.3 REQUIRED) # 2.13.3, but flatpak is still on 2.13.2.
 find_package(plutosvg 0.0.6 REQUIRED)
 find_package(cpuinfo REQUIRED)
 find_package(DiscordRPC 3.4.0 REQUIRED)
@@ -40,14 +40,13 @@ if(ENABLE_WAYLAND)
 endif()
 
 if(BUILD_QT_FRONTEND)
-  # 6.9.1, but flatpak stuck on 6.9.0 because they love to ship vulnerable software.
-  find_package(Qt6 6.9.0 COMPONENTS Core Gui Widgets LinguistTools REQUIRED)
+  find_package(Qt6 6.9.2 COMPONENTS Core Gui Widgets LinguistTools REQUIRED)
 endif()
 
 find_package(Shaderc REQUIRED)
 find_package(spirv_cross_c_shared REQUIRED)
 
-if(LINUX AND NOT ALLOW_INSTALL)
+if(LINUX)
   # We need to add the rpath for shaderc to the executable.
   get_target_property(SHADERC_LIBRARY Shaderc::shaderc_shared IMPORTED_LOCATION)
   get_filename_component(SHADERC_LIBRARY_DIRECTORY ${SHADERC_LIBRARY} DIRECTORY)

CMakeModules/DuckStationUtils.cmake

@@ -246,22 +246,6 @@ function(get_scm_version)
   endif()
 endfunction()
 
-function(install_imported_dep_library name)
-  get_target_property(SONAME "${name}" IMPORTED_SONAME_RELEASE)
-  get_target_property(LOCATION "${name}" IMPORTED_LOCATION_RELEASE)
-
-  # Only install if it's not a system library.
-  foreach(path ${CMAKE_PREFIX_PATH})
-    if (NOT "${LOCATION}" MATCHES "^${path}")
-      message(STATUS "Not installing imported system library ${name}")
-      return()
-    endif()
-  endforeach()
-
-  message(STATUS "Installing imported library ${SONAME}")
-  install(FILES "${LOCATION}" RENAME "${SONAME}" DESTINATION "${CMAKE_INSTALL_LIBDIR}")
-endfunction()
-
 function(add_debug_symbol_flag var)
   # CMake's regex engine is missing so many features...
   set(value "${${var}}")

src/core/CMakeLists.txt

@@ -221,12 +221,6 @@ function(add_core_resources target)
     endif()
     add_resources(${target} ${path} ${CMAKE_SOURCE_DIR}/data/resources/)
   endforeach()
-  if(ALLOW_INSTALL)
-    install_imported_dep_library(cpuinfo::cpuinfo)
-    install_imported_dep_library(DiscordRPC::discord-rpc)
-    install_imported_dep_library(libzip::zip)
-    install(DIRECTORY "$<TARGET_FILE_DIR:${target}>/resources" DESTINATION "${CMAKE_INSTALL_BINDIR}")
-  endif()
 
   # Linux platforms need a copy of the .desktop and icon file because Wayland stupidity.
   # See QtHost::EarlyProcessStartup() for where this is used and why. We still need to set it when running

src/duckstation-qt/CMakeLists.txt

@@ -271,11 +271,6 @@ elseif(APPLE)
   set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/DuckStation.icns" PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
 endif()
 
-if(ALLOW_INSTALL)
-  # Install main binary.
-  install(TARGETS duckstation-qt RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}")
-endif()
-
 # Compile qrc to a binary file.
 if(NOT APPLE)
   set(RCC_FILE "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/resources/duckstation-qt.rcc")
@@ -298,9 +293,6 @@ if(NOT APPLE)
   foreach (QM_FILE IN LISTS QM_FILES)
     get_filename_component(QM_FILE_NAME ${QM_FILE} NAME)
     add_custom_command(TARGET duckstation-qt POST_BUILD COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${QM_FILE}" "${QM_OUTPUT_DIR}/${QM_FILE_NAME}")
-    if(ALLOW_INSTALL)
-      install(FILES "${QM_FILE}" DESTINATION "${CMAKE_INSTALL_BINDIR}/translations")
-    endif()
   endforeach()
 else()
   foreach (QM_FILE IN LISTS QM_FILES)

src/util/CMakeLists.txt

@@ -324,15 +324,5 @@ function(add_util_resources target)
       target_sources(${target} PRIVATE ${version_lib})
       set_source_files_properties(${target} PRIVATE ${version_lib} PROPERTIES MACOSX_PACKAGE_LOCATION Frameworks)
     endforeach()
-  elseif(ALLOW_INSTALL)
-    # Ensure we look for dependency libraries in the installation directory.
-    set_target_properties(${target} PROPERTIES INSTALL_RPATH "$ORIGIN")
-
-    # Copy dependency libraries to installation directory.
-    install_imported_dep_library(SDL3::SDL3)
-    install_imported_dep_library(Shaderc::shaderc_shared)
-    install_imported_dep_library(spirv-cross-c-shared)
-    install_imported_dep_library(SoundTouch::SoundTouchDLL)
-    install_imported_dep_library(plutosvg::plutosvg)
   endif()
 endfunction()