# CMake 3.6 required for FindBoost to define IMPORTED libs properly on unknown Boost versions cmake_minimum_required(VERSION 3.6) list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules") list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/externals/cmake-modules") project(citra) option(ENABLE_SDL2 "Enable the SDL2 frontend" ON) option(CITRA_USE_BUNDLED_SDL2 "Download bundled SDL2 binaries" OFF) option(ENABLE_QT "Enable the Qt frontend" ON) option(CITRA_USE_BUNDLED_QT "Download bundled Qt binaries" OFF) option(ENABLE_WEB_SERVICE "Enable web services (telemetry, etc.)" ON) if(NOT EXISTS ${CMAKE_SOURCE_DIR}/.git/hooks/pre-commit) message(STATUS "Copying pre-commit hook") file(COPY hooks/pre-commit DESTINATION ${CMAKE_SOURCE_DIR}/.git/hooks) endif() # Sanity check : Check that all submodules are present # ======================================================================= function(check_submodules_present) file(READ "${CMAKE_SOURCE_DIR}/.gitmodules" gitmodules) string(REGEX MATCHALL "path *= *[^ \t\r\n]*" gitmodules ${gitmodules}) foreach(module ${gitmodules}) string(REGEX REPLACE "path *= *" "" module ${module}) if (NOT EXISTS "${CMAKE_SOURCE_DIR}/${module}/.git") message(SEND_ERROR "Git submodule ${module} not found." "Please run: git submodule update --init --recursive") endif() endforeach() endfunction() check_submodules_present() # Detect current compilation architecture and create standard definitions # ======================================================================= include(CheckSymbolExists) function(detect_architecture symbol arch) if (NOT DEFINED ARCHITECTURE) set(CMAKE_REQUIRED_QUIET 1) check_symbol_exists("${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 "${arch}" PARENT_SCOPE) set(ARCHITECTURE_${arch} 1 PARENT_SCOPE) add_definitions(-DARCHITECTURE_${arch}=1) endif() endif() endfunction() if (MSVC) detect_architecture("_M_AMD64" x86_64) detect_architecture("_M_IX86" x86) detect_architecture("_M_ARM" ARM) else() detect_architecture("__x86_64__" x86_64) detect_architecture("__i386__" x86) detect_architecture("__arm__" ARM) endif() if (NOT DEFINED ARCHITECTURE) set(ARCHITECTURE "GENERIC") set(ARCHITECTURE_GENERIC 1) add_definitions(-DARCHITECTURE_GENERIC=1) endif() message(STATUS "Target architecture: ${ARCHITECTURE}") # Configure compilation flags # =========================== set(CMAKE_CXX_STANDARD 14) set(CMAKE_CXX_STANDARD_REQUIRED ON) if (NOT MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") if (MINGW) add_definitions(-DMINGW_HAS_SECURE_API) if (MINGW_STATIC_BUILD) add_definitions(-DQT_STATICPLUGIN) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -static") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static") endif() endif() else() # Silence "deprecation" warnings add_definitions(/D_CRT_SECURE_NO_WARNINGS /D_CRT_NONSTDC_NO_DEPRECATE /D_SCL_SECURE_NO_WARNINGS) # Avoid windows.h junk add_definitions(/DNOMINMAX) # Avoid windows.h from including some usually unused libs like winsocks.h, since this might cause some redefinition errors. add_definitions(/DWIN32_LEAN_AND_MEAN) # set up output paths for executable binaries (.exe-files, and .dll-files on DLL-capable platforms) set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin) set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING "" FORCE) # Tweak optimization settings # As far as I can tell, there's no way to override the CMake defaults while leaving user # changes intact, so we'll just clobber everything and say sorry. message(STATUS "Cache compiler flags ignored, please edit CMakeLists.txt to change the flags.") # /W3 - Level 3 warnings # /MP - Multi-threaded compilation # /Zi - Output debugging information # /Zo - enhanced debug info for optimized builds # /permissive- - enables stricter C++ standards conformance checks set(CMAKE_C_FLAGS "/W3 /MP /Zi /Zo /permissive-" CACHE STRING "" FORCE) # /EHsc - C++-only exception handling semantics # /Zc:throwingNew - let codegen assume `operator new` will never return null # /Zc:inline - let codegen omit inline functions in object files set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} /EHsc /Zc:throwingNew,inline" CACHE STRING "" FORCE) # /MDd - Multi-threaded Debug Runtime DLL set(CMAKE_C_FLAGS_DEBUG "/Od /MDd" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "" FORCE) # /O2 - Optimization level 2 # /GS- - No stack buffer overflow checks # /MD - Multi-threaded runtime DLL set(CMAKE_C_FLAGS_RELEASE "/O2 /GS- /MD" CACHE STRING "" FORCE) set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "" FORCE) set(CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG" CACHE STRING "" FORCE) set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG /INCREMENTAL:NO /OPT:REF,ICF" CACHE STRING "" FORCE) endif() # Set file offset size to 64 bits. # # On modern Unixes, this is typically already the case. The lone exception is # glibc, which may default to 32 bits. glibc allows this to be configured # by setting _FILE_OFFSET_BITS. if(CMAKE_SYSTEM_NAME STREQUAL "Linux") add_definitions(-D_FILE_OFFSET_BITS=64) endif() add_definitions(-DSINGLETHREADED) # CMake seems to only define _DEBUG on Windows set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS $<$<CONFIG:Debug>:_DEBUG> $<$<NOT:$<CONFIG:Debug>>:NDEBUG>) # System imported libraries # ====================== # This function downloads a binary library package from our external repo. # Params: # remote_path: path to the file to download, relative to the remote repository root # prefix_var: name of a variable which will be set with the path to the extracted contents function(download_bundled_external remote_path lib_name prefix_var) set(prefix "${CMAKE_BINARY_DIR}/externals/${lib_name}") if (NOT EXISTS "${prefix}") message(STATUS "Downloading binaries for ${lib_name}...") file(DOWNLOAD https://github.com/citra-emu/ext-windows-bin/raw/master/${remote_path}${lib_name}.7z "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z" SHOW_PROGRESS) execute_process(COMMAND ${CMAKE_COMMAND} -E tar xf "${CMAKE_BINARY_DIR}/externals/${lib_name}.7z" WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/externals") endif() message(STATUS "Using bundled binaries at ${prefix}") set(${prefix_var} "${prefix}" PARENT_SCOPE) endfunction() find_package(PNG QUIET) if (NOT PNG_FOUND) message(STATUS "libpng not found. Some debugging features have been disabled.") endif() find_package(Boost 1.63.0 QUIET) if (NOT Boost_FOUND) message(STATUS "Boost 1.63.0 or newer not found, falling back to externals") set(BOOST_ROOT "${CMAKE_SOURCE_DIR}/externals/boost") set(Boost_NO_SYSTEM_PATHS OFF) find_package(Boost QUIET REQUIRED) endif() # Prefer the -pthread flag on Linux. set(THREADS_PREFER_PTHREAD_FLAG ON) find_package(Threads REQUIRED) if (ENABLE_SDL2) if (CITRA_USE_BUNDLED_SDL2) # Detect toolchain and platform if (MSVC14 AND ARCHITECTURE_x86_64) set(SDL2_VER "SDL2-2.0.5") else() message(FATAL_ERROR "No bundled SDL2 binaries for your toolchain. Disable CITRA_USE_BUNDLED_SDL2 and provide your own.") endif() if (DEFINED SDL2_VER) download_bundled_external("sdl2/" ${SDL2_VER} SDL2_PREFIX) endif() set(SDL2_FOUND YES) set(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include" CACHE PATH "Path to SDL2 headers") set(SDL2_LIBRARY "${SDL2_PREFIX}/lib/x64/SDL2.lib" CACHE PATH "Path to SDL2 library") set(SDL2_DLL_DIR "${SDL2_PREFIX}/lib/x64/" CACHE PATH "Path to SDL2.dll") else() find_package(SDL2 REQUIRED) endif() if (SDL2_FOUND) # TODO(yuriks): Make FindSDL2.cmake export an IMPORTED library instead add_library(SDL2 INTERFACE) target_link_libraries(SDL2 INTERFACE "${SDL2_LIBRARY}") target_include_directories(SDL2 INTERFACE "${SDL2_INCLUDE_DIR}") endif() else() set(SDL2_FOUND NO) endif() if (ENABLE_QT) if (CITRA_USE_BUNDLED_QT) if (MSVC14 AND ARCHITECTURE_x86_64) set(QT_VER qt-5.7-msvc2015_64) else() message(FATAL_ERROR "No bundled Qt binaries for your toolchain. Disable CITRA_USE_BUNDLED_QT and provide your own.") endif() if (DEFINED QT_VER) download_bundled_external("qt/" ${QT_VER} QT_PREFIX) endif() set(QT_PREFIX_HINT HINTS "${QT_PREFIX}") else() # Passing an empty HINTS seems to cause default system paths to get ignored in CMake 2.8 so # make sure to not pass anything if we don't have one. set(QT_PREFIX_HINT) endif() find_package(Qt5 REQUIRED COMPONENTS Widgets OpenGL ${QT_PREFIX_HINT}) endif() if (ENABLE_WEB_SERVICE) add_definitions(-DENABLE_WEB_SERVICE) endif() # Platform-specific library requirements # ====================================== IF (APPLE) FIND_LIBRARY(COCOA_LIBRARY Cocoa) # Umbrella framework for everything GUI-related set(PLATFORM_LIBRARIES ${COCOA_LIBRARY} ${IOKIT_LIBRARY} ${COREVIDEO_LIBRARY}) if (CMAKE_CXX_COMPILER_ID STREQUAL Clang) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libc++") endif() ELSEIF (WIN32) # WSAPoll and SHGetKnownFolderPath (AppData/Roaming) didn't exist before WinNT 6.x (Vista) add_definitions(-D_WIN32_WINNT=0x0600 -DWINVER=0x0600) set(PLATFORM_LIBRARIES winmm ws2_32) IF (MINGW) # PSAPI is the Process Status API set(PLATFORM_LIBRARIES ${PLATFORM_LIBRARIES} psapi imm32 version) ENDIF (MINGW) ELSEIF (CMAKE_SYSTEM_NAME MATCHES "^(Linux|kFreeBSD|GNU|SunOS)$") set(PLATFORM_LIBRARIES rt) ENDIF (APPLE) # MINGW: GCC does not support codecvt, so use iconv instead if (UNIX OR MINGW) find_library(ICONV_LIBRARY NAMES iconv) if (ICONV_LIBRARY) list(APPEND PLATFORM_LIBRARIES ${ICONV_LIBRARY}) endif() 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_directory_groups) # 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 ".") foreach(file_name ${ARGV}) get_filename_component(dir_name "${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 "${file_name}") endforeach() endfunction() # generate git revision information include(GetGitRevisionDescription) get_git_head_revision(GIT_REF_SPEC GIT_REV) git_describe(GIT_DESC --always --long --dirty) git_branch_name(GIT_BRANCH) add_subdirectory(externals) add_subdirectory(src) enable_testing() # Installation instructions # ========================= # Install freedesktop.org metadata files, following those specifications: # http://standards.freedesktop.org/desktop-entry-spec/desktop-entry-spec-latest.html # http://standards.freedesktop.org/icon-theme-spec/icon-theme-spec-latest.html # http://standards.freedesktop.org/shared-mime-info-spec/shared-mime-info-spec-latest.html if(ENABLE_QT AND UNIX AND NOT APPLE) install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.desktop" DESTINATION "${CMAKE_INSTALL_PREFIX}/share/applications") install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.svg" DESTINATION "${CMAKE_INSTALL_PREFIX}/share/pixmaps") install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.xml" DESTINATION "${CMAKE_INSTALL_PREFIX}/share/mime/packages") endif() if(UNIX) if(ENABLE_SDL2) install(FILES "${CMAKE_SOURCE_DIR}/dist/citra.6" DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6") endif() if (ENABLE_QT) install(FILES "${CMAKE_SOURCE_DIR}/dist/citra-qt.6" DESTINATION "${CMAKE_INSTALL_PREFIX}/share/man/man6") endif() endif()