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citra/CMakeLists.txt

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CMake
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# CMake 3.12 required for 20 to be a valid value for CXX_STANDARD
cmake_minimum_required(VERSION 3.15)
# Don't override the warning flags in MSVC:
cmake_policy(SET CMP0092 NEW)
# Enforce new LTO setting
cmake_policy(SET CMP0069 NEW)
# Honor visibility properties for all targets
# Set the default so subdirectory cmake_minimum_required calls won't unset the policy.
cmake_policy(SET CMP0063 NEW)
set(CMAKE_POLICY_DEFAULT_CMP0063 NEW)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules")
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules")
include(DownloadExternals)
include(CMakeDependentOption)
project(citra LANGUAGES C CXX ASM)
if (APPLE)
# Silence warnings on empty objects, for example when platform-specific code is #ifdef'd out.
set(CMAKE_C_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
set(CMAKE_C_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
if (IOS)
# Minimum iOS 14
set(CMAKE_OSX_DEPLOYMENT_TARGET "14.0")
# Enable searching CMAKE_PREFIX_PATH for bundled dependencies.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE BOTH)
else()
# Minimum macOS 11
set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
endif()
endif()
if (CMAKE_BUILD_TYPE STREQUAL Debug)
set(IS_DEBUG_BUILD ON)
else()
set(IS_DEBUG_BUILD OFF)
endif()
option(ENABLE_SDL2 "Enable using SDL2" ON)
CMAKE_DEPENDENT_OPTION(ENABLE_SDL2_FRONTEND "Enable the SDL2 frontend" ON "ENABLE_SDL2;NOT ANDROID AND NOT IOS" OFF)
option(USE_SYSTEM_SDL2 "Use the system SDL2 lib (instead of the bundled one)" OFF)
# Set bundled qt as dependent options.
option(ENABLE_QT "Enable the Qt frontend" ON)
option(ENABLE_QT_TRANSLATION "Enable translations for the Qt frontend" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_QT_UPDATER "Enable built-in updater for the Qt frontend" ON "NOT IOS" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_TESTS "Enable generating tests executable" ON "NOT IOS" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_DEDICATED_ROOM "Enable generating dedicated room executable" ON "NOT ANDROID AND NOT IOS" OFF)
option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON)
option(ENABLE_SCRIPTING "Enable RPC server for scripting" ON)
CMAKE_DEPENDENT_OPTION(ENABLE_CUBEB "Enables the cubeb audio backend" ON "NOT IOS" OFF)
option(ENABLE_OPENAL "Enables the OpenAL audio backend" ON)
CMAKE_DEPENDENT_OPTION(ENABLE_LIBUSB "Enable libusb for GameCube Adapter support" ON "NOT IOS" OFF)
option(USE_DISCORD_PRESENCE "Enables Discord Rich Presence" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_MF "Use Media Foundation decoder (preferred over FFmpeg)" ON "WIN32" OFF)
CMAKE_DEPENDENT_OPTION(ENABLE_AUDIOTOOLBOX "Use AudioToolbox decoder (preferred over FFmpeg)" ON "APPLE" OFF)
# Compile options
CMAKE_DEPENDENT_OPTION(COMPILE_WITH_DWARF "Add DWARF debugging information" ${IS_DEBUG_BUILD} "MINGW" OFF)
option(ENABLE_LTO "Enable link time optimization" OFF)
option(CITRA_USE_PRECOMPILED_HEADERS "Use precompiled headers" ON)
option(CITRA_WARNINGS_AS_ERRORS "Enable warnings as errors" ON)
# System library options
CMAKE_DEPENDENT_OPTION(USE_SYSTEM_QT "Use the system Qt lib (instead of the bundled one)" OFF "ENABLE_QT;MSVC OR APPLE" ON)
CMAKE_DEPENDENT_OPTION(USE_SYSTEM_MOLTENVK "Use the system MoltenVK lib (instead of the bundled one)" OFF "APPLE" OFF)
option(USE_SYSTEM_SDL2 "Use the system SDL2 lib (instead of the bundled one)" OFF)
option(USE_SYSTEM_BOOST "Use the system Boost libs (instead of the bundled ones)" OFF)
option(USE_SYSTEM_OPENSSL "Use the system OpenSSL libs (instead of the bundled LibreSSL)" OFF)
option(USE_SYSTEM_LIBUSB "Use the system libusb (instead of the bundled libusb)" OFF)
if (CITRA_USE_PRECOMPILED_HEADERS)
message(STATUS "Using Precompiled Headers.")
set(CMAKE_PCH_INSTANTIATE_TEMPLATES ON)
endif()
if(NOT EXISTS ${PROJECT_SOURCE_DIR}/.git/hooks/pre-commit)
message(STATUS "Copying pre-commit hook")
file(COPY hooks/pre-commit
DESTINATION ${PROJECT_SOURCE_DIR}/.git/hooks)
endif()
# Use ccache for android if available
# =======================================================================
if (NOT $ENV{NDK_CCACHE} EQUAL "")
set(CCACHE_EXE $ENV{NDK_CCACHE})
set(CMAKE_C_COMPILER_LAUNCHER ${CCACHE_EXE})
set(CMAKE_CXX_COMPILER_LAUNCHER ${CCACHE_EXE})
endif()
# Check for LTO support
# =======================================================================
if (ENABLE_LTO)
include(CheckIPOSupported)
check_ipo_supported(RESULT supported OUTPUT error_msg)
if (supported)
message(STATUS "LTO enabled")
else()
message(STATUS "LTO enabled but is unavailable, disabling: ${error_msg}")
set(ENABLE_LTO OFF)
endif()
else()
message(STATUS "LTO disabled")
endif()
# Sanity check : Check that all submodules are present
# =======================================================================
function(check_submodules_present)
file(READ "${PROJECT_SOURCE_DIR}/.gitmodules" gitmodules)
string(REGEX MATCHALL "path *= *[^ \t\r\n]*" gitmodules ${gitmodules})
foreach(module ${gitmodules})
string(REGEX REPLACE "path *= *" "" module ${module})
if (NOT EXISTS "${PROJECT_SOURCE_DIR}/${module}/.git")
message(SEND_ERROR "Git submodule ${module} not found."
"Please run: git submodule update --init --recursive")
endif()
endforeach()
endfunction()
if (EXISTS "${PROJECT_SOURCE_DIR}/.git/objects")
# only check submodules when source is obtained via Git
check_submodules_present()
endif()
configure_file(${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.qrc
${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc
COPYONLY)
if (ENABLE_COMPATIBILITY_LIST_DOWNLOAD AND NOT EXISTS ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
message(STATUS "Downloading compatibility list for citra...")
file(DOWNLOAD
https://api.citra-emu.org/gamedb/
"${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json" SHOW_PROGRESS)
endif()
if (EXISTS ${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.json)
file(COPY "${PROJECT_SOURCE_DIR}/dist/compatibility_list/compatibility_list.json"
DESTINATION "${PROJECT_BINARY_DIR}/dist/compatibility_list/")
endif()
if (NOT EXISTS ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
file(WRITE ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json "")
endif()
# Detect current compilation architecture and create standard definitions
# =======================================================================
include(CheckSymbolExists)
function(detect_architecture symbol arch)
if (NOT DEFINED ARCHITECTURE)
set(CMAKE_REQUIRED_QUIET 1)
check_symbol_exists("${symbol}" "" ARCHITECTURE_${arch})
unset(CMAKE_REQUIRED_QUIET)
# The output variable needs to be unique across invocations otherwise
# CMake's crazy scope rules will keep it defined
if (ARCHITECTURE_${arch})
set(ARCHITECTURE "${arch}" PARENT_SCOPE)
endif()
endif()
endfunction()
if (NOT ENABLE_GENERIC)
if (CMAKE_OSX_ARCHITECTURES)
set(ARCHITECTURE "${CMAKE_OSX_ARCHITECTURES}")
elseif (MSVC)
detect_architecture("_M_AMD64" x86_64)
detect_architecture("_M_IX86" x86)
detect_architecture("_M_ARM" arm)
detect_architecture("_M_ARM64" arm64)
else()
detect_architecture("__x86_64__" x86_64)
detect_architecture("__i386__" x86)
detect_architecture("__arm__" arm)
detect_architecture("__aarch64__" arm64)
endif()
endif()
if (NOT DEFINED ARCHITECTURE)
set(ARCHITECTURE "GENERIC")
endif()
message(STATUS "Target architecture: ${ARCHITECTURE}")
# Configure C++ standard
# ===========================
# boost asio's concept usage doesn't play nicely with some compilers yet.
add_definitions(-DBOOST_ASIO_DISABLE_CONCEPTS)
# boost can have issues compiling with C++17 and up on newer versions of Clang.
add_definitions(-DBOOST_NO_CXX98_FUNCTION_BASE)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
# Apply consistent visibility settings.
set(CMAKE_CXX_VISIBILITY_PRESET default)
set(CMAKE_VISIBILITY_INLINES_HIDDEN NO)
# set up output paths for executable binaries
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin/$<CONFIG>)
# System imported libraries
# ======================
# Prefer the -pthread flag on Linux.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
if (ENABLE_QT)
if (NOT USE_SYSTEM_QT)
download_qt(6.5.0)
endif()
find_package(Qt6 REQUIRED COMPONENTS Widgets Multimedia Concurrent)
if (UNIX AND NOT APPLE)
find_package(Qt6 REQUIRED COMPONENTS DBus)
endif()
if (ENABLE_QT_TRANSLATION)
find_package(Qt6 REQUIRED COMPONENTS LinguistTools)
endif()
endif()
# Use system tsl::robin_map if available (otherwise we fallback to version bundled with dynarmic)
find_package(tsl-robin-map QUIET)
# Platform-specific library requirements
# ======================================
if (APPLE)
if (NOT USE_SYSTEM_MOLTENVK)
download_moltenvk()
endif()
find_library(MOLTENVK_LIBRARY MoltenVK REQUIRED)
message(STATUS "Using MoltenVK at ${MOLTENVK_LIBRARY}.")
if (NOT IOS)
# Umbrella framework for everything GUI-related
find_library(COCOA_LIBRARY Cocoa REQUIRED)
endif()
find_library(AVFOUNDATION_LIBRARY AVFoundation REQUIRED)
find_library(IOSURFACE_LIBRARY IOSurface REQUIRED)
set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${AVFOUNDATION_LIBRARY} ${IOSURFACE_LIBRARY} ${MOLTENVK_LIBRARY})
elseif (WIN32)
set(PLATFORM_LIBRARIES winmm ws2_32)
if (MINGW)
# PSAPI is the Process Status API
set(PLATFORM_LIBRARIES ${PLATFORM_LIBRARIES} psapi imm32 version)
endif()
elseif (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$")
set(PLATFORM_LIBRARIES rt)
endif()
# Setup a custom clang-format target (if clang-format can be found) that will run
# against all the src files. This should be used before making a pull request.
# =======================================================================
set(CLANG_FORMAT_POSTFIX "-12")
find_program(CLANG_FORMAT
NAMES clang-format${CLANG_FORMAT_POSTFIX}
clang-format
PATHS ${PROJECT_BINARY_DIR}/externals)
# if find_program doesn't find it, try to download from externals
if (NOT CLANG_FORMAT)
if (WIN32)
message(STATUS "Clang format not found! Downloading...")
set(CLANG_FORMAT "${PROJECT_BINARY_DIR}/externals/clang-format${CLANG_FORMAT_POSTFIX}.exe")
file(DOWNLOAD
https://github.com/citra-emu/ext-windows-bin/raw/master/clang-format${CLANG_FORMAT_POSTFIX}.exe
"${CLANG_FORMAT}" SHOW_PROGRESS
STATUS DOWNLOAD_SUCCESS)
if (NOT DOWNLOAD_SUCCESS EQUAL 0)
message(WARNING "Could not download clang format! Disabling the clang format target")
file(REMOVE ${CLANG_FORMAT})
unset(CLANG_FORMAT)
endif()
else()
message(WARNING "Clang format not found! Disabling the clang format target")
endif()
endif()
if (CLANG_FORMAT)
set(SRCS ${PROJECT_SOURCE_DIR}/src)
set(CCOMMENT "Running clang format against all the .h and .cpp files in src/")
if (WIN32)
if(MINGW)
add_custom_target(clang-format
COMMAND find `cygpath -u ${SRCS}` -iname *.h -o -iname *.cpp -o -iname *.mm | xargs `cygpath -u ${CLANG_FORMAT}` -i
COMMENT ${CCOMMENT})
else()
add_custom_target(clang-format
COMMAND powershell.exe -Command "Get-ChildItem '${SRCS}/*' -Include *.cpp,*.h,*.mm -Recurse | Foreach {&'${CLANG_FORMAT}' -i $_.fullname}"
COMMENT ${CCOMMENT})
endif()
else()
add_custom_target(clang-format
COMMAND find ${SRCS} -iname *.h -o -iname *.cpp -o -iname *.mm | xargs ${CLANG_FORMAT} -i
COMMENT ${CCOMMENT})
endif()
unset(SRCS)
unset(CCOMMENT)
endif()
# Include source code
# ===================
# This function should be passed a list of all files in a target. It will automatically generate
# file groups following the directory hierarchy, so that the layout of the files in IDEs matches the
# one in the filesystem.
function(create_target_directory_groups target_name)
# Place any files that aren't in the source list in a separate group so that they don't get in
# the way.
source_group("Other Files" REGULAR_EXPRESSION ".")
get_target_property(target_sources "${target_name}" SOURCES)
foreach(file_name IN LISTS target_sources)
get_filename_component(dir_name "${file_name}" PATH)
# Group names use '\' as a separator even though the entire rest of CMake uses '/'...
string(REPLACE "/" "\\" group_name "${dir_name}")
source_group("${group_name}" FILES "${file_name}")
endforeach()
endfunction()
# Gets a UTC timstamp and sets the provided variable to it
function(get_timestamp _var)
string(TIMESTAMP timestamp UTC)
set(${_var} "${timestamp}" PARENT_SCOPE)
endfunction()
# generate git/build information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)
get_timestamp(BUILD_DATE)
# Boost
# Prevent boost from linking against libs when building
add_definitions(-DBOOST_ERROR_CODE_HEADER_ONLY
-DBOOST_SYSTEM_NO_LIB
-DBOOST_DATE_TIME_NO_LIB
-DBOOST_REGEX_NO_LIB
)
if (USE_SYSTEM_BOOST)
find_package(Boost 1.70.0 COMPONENTS container locale serialization iostreams REQUIRED)
endif()
enable_testing()
add_subdirectory(externals)
# Boost (bundled)
if (NOT USE_SYSTEM_BOOST)
add_definitions( -DBOOST_ALL_NO_LIB )
add_library(Boost::boost ALIAS boost)
add_library(Boost::serialization ALIAS boost_serialization)
add_library(Boost::iostreams ALIAS boost_iostreams)
endif()
# SDL2
if (ENABLE_SDL2 AND USE_SYSTEM_SDL2)
find_package(SDL2 REQUIRED)
add_library(SDL2 INTERFACE)
target_link_libraries(SDL2 INTERFACE "${SDL2_LIBRARY}")
target_include_directories(SDL2 INTERFACE "${SDL2_INCLUDE_DIR}")
add_library(SDL2::SDL2 ALIAS SDL2)
endif()
if (ENABLE_LIBUSB AND USE_SYSTEM_LIBUSB)
include(FindPkgConfig)
find_package(LibUSB)
endif()
add_subdirectory(src)
add_subdirectory(dist/installer)
# Set citra-qt project or citra project as default StartUp Project in Visual Studio depending on whether QT is enabled or not
if(ENABLE_QT)
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT citra-qt)
else()
set_property(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT citra)
endif()
# Create target for outputting distributable bundles.
if (NOT ANDROID AND NOT IOS)
include(BundleTarget)
if (ENABLE_SDL2_FRONTEND)
bundle_target(citra)
endif()
if (ENABLE_QT)
bundle_target(citra-qt)
endif()
if (ENABLE_DEDICATED_ROOM)
bundle_target(citra-room)
endif()
endif()
# Installation instructions
# =========================
# Install freedesktop.org metadata files, following those specifications:
# http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html
# http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html
# http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html
if(ENABLE_QT AND UNIX AND NOT APPLE)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra-qt.desktop"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications")
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.svg"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/scalable/apps")
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.xml"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/mime/packages")
endif()
if(UNIX)
if(ENABLE_SDL2)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra.6"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
endif()
if (ENABLE_QT)
install(FILES "${PROJECT_SOURCE_DIR}/dist/citra-qt.6"
DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6")
endif()
endif()
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