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# CMake 3.2 required for cmake to know the right flags for CXX standard on OSX
cmake_minimum_required(VERSION 3.2)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/CMakeModules)
function(download_bundled_external remote_path lib_name prefix_var)
set(prefix "${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} "${prefix}" PARENT_SCOPE)
endfunction()
include(CheckSymbolExists)
function(detect_architecture symbol arch)
if (NOT DEFINED ARCHITECTURE)
set(CMAKE_REQUIRED_QUIET 1)
check_symbol_exists("${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()
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)
if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git/hooks/pre-commit)
message(STATUS "Copying pre-commit hook")
file(COPY hooks/pre-commit
DESTINATION ${CMAKE_CURRENT_SOURCE_DIR}/.git/hooks)
endif()
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: ${ARCHITECTURE}")
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if (NOT MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-attributes")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
if (MINGW)
add_definitions(-DMINGW_HAS_SECURE_API)
# Microprofile causes crashes when launching titles on MinGW
add_definitions(-DMICROPROFILE_ENABLED=0)
if (MINGW_STATIC_BUILD)
add_definitions(-DQT_STATICPLUGIN)
set(CMAKE_CXX_FLAGS "${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)
# set up output paths for executable binaries (.exe-files, and .dll-files on DLL-capable platforms)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_CONFIGURATION_TYPES Debug Release CACHE STRING "" FORCE)
# Tweak optimization settings
# As far as I can tell, there's no way to override the CMake defaults while leaving user
# changes intact, so we'll just clobber everything and say sorry.
message(STATUS "Cache compiler flags ignored, please edit CMakeLists.txt to change the flags.")
# /W3 - Level 3 warnings
# /MP - Multi-threaded compilation
# /Zi - Output debugging information
# /Zo - enahnced debug info for optimized builds
set(CMAKE_C_FLAGS "/W3 /MP /Zi /Zo" CACHE STRING "" FORCE)
# /EHsc - C++-only exception handling semantics
set(CMAKE_CXX_FLAGS "${CMAKE_C_FLAGS} /EHsc" 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:$<CONFIG:Debug>>:NDEBUG>)
find_package(PNG QUIET)
if (PNG_FOUND)
add_definitions(-DHAVE_PNG)
else()
message(STATUS "libpng not found. Some debugging features have been disabled.")
endif()
find_package(Boost 1.57.0 QUIET)
if (NOT Boost_FOUND)
message(STATUS "Boost 1.57.0 or newer not found, falling back to externals")
set(Boost_INCLUDE_DIR "${CMAKE_SOURCE_DIR}/externals/boost")
endif()
include_directories(${Boost_INCLUDE_DIR})
# Include bundled CMake modules
list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/externals/cmake-modules")
find_package(OpenGL REQUIRED)
include_directories(${OPENGL_INCLUDE_DIR})
# 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()
else()
set(SDL2_FOUND NO)
endif()
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()
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})
set(CITRA_QT_LIBS Qt5::Widgets Qt5::OpenGL)
endif()
# 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 "${file_name}")
endforeach()
endfunction()
# generate git revision information
include(GetGitRevisionDescription)
get_git_head_revision(GIT_REF_SPEC GIT_REV)
git_describe(GIT_DESC --always --long --dirty)
git_branch_name(GIT_BRANCH)
set(INI_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/externals/inih")
include_directories(${INI_PREFIX})
add_subdirectory(${INI_PREFIX})
add_subdirectory(externals)
option(DYNARMIC_TESTS OFF)
add_subdirectory(externals/dynarmic)
add_subdirectory(externals/glad)
include_directories(externals/microprofile)
include_directories(externals/nihstro/include)
if (MSVC)
add_subdirectory(externals/getopt)
endif()
# process subdirectories
if(ENABLE_QT)
include_directories(externals/qhexedit)
add_subdirectory(externals/qhexedit)
endif()
add_subdirectory(externals/soundtouch)
enable_testing()
add_subdirectory(src)
# 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()