# SPDX-License-Identifier: MIT # # EmulationStation Desktop Edition # CMakeLists.txt # # Main CMake configuration file. # Sets up the overall build environment including dependencies detection, build options, # compiler and linker flags and preprocessor directives. # cmake_minimum_required(VERSION 3.13) if(APPLE) # Set this to the operating system version you're building on, and also update # es-app/assets/EmulationStation-DE_Info.plist accordingly. set(CMAKE_OSX_DEPLOYMENT_TARGET "10.14" CACHE STRING "macOS deployment target") # This optional variable is used for code signing the DMG installer. set(MACOS_CODESIGN_IDENTITY "" CACHE STRING "macOS code signing certificate identity") endif() project(emulationstation-de) # Set this to ON to show verbose compiler output (e.g. compiler flags, include directories etc.) set(CMAKE_VERBOSE_MAKEFILE OFF CACHE BOOL "Show verbose compiler output" FORCE) # Package type to use for CPack on Linux. set(LINUX_CPACK_GENERATOR "DEB" CACHE STRING "CPack generator, DEB or RPM") # Add local find modules to the CMake path. list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/CMake/Utils ${CMAKE_CURRENT_SOURCE_DIR}/CMake/Packages) # Define the options. option(GL "Set to ON if targeting Desktop OpenGL" ${GL}) option(GLES "Set to ON if targeting Embedded OpenGL" ${GLES}) option(RPI "Set to ON to enable Raspberry Pi specific build" ${RPI}) option(CEC "Set to ON to enable CEC" ${CEC}) option(VIDEO_HW_DECODING "Set to ON to enable FFmpeg HW decoding" ${VIDEO_HW_DECODING}) option(VLC_PLAYER "Set to ON to build the VLC-based video player" ${VLC_PLAYER}) option(CLANG_TIDY "Set to ON to build using the clang-tidy static analyzer" ${CLANG_TIDY}) option(ASAN "Set to ON to build with AddressSanitizer" ${ASAN}) option(TSAN "Set to ON to build with ThreadSanitizer" ${TSAN}) if(CLANG_TIDY) find_program(CLANG_TIDY_BINARY NAMES clang-tidy) if(CLANG_TIDY_BINARY STREQUAL "CLANG_TIDY_BINARY-NOTFOUND") message("-- CLANG_TIDY was set but the clang-tidy binary was not found") else() message("-- Building with the clang-tidy static analyzer") set(CMAKE_CXX_CLANG_TIDY "clang-tidy;-checks=*,\ -fuchsia-*,\ -hicpp-*,\ -llvm-*,\ -readability-braces-*,\ -google-readability-braces-*,\ -readability-uppercase-literal-suffix,\ -modernize-use-trailing-return-type,\ -cppcoreguidelines-avoid-magic-numbers,\ -readability-magic-numbers") endif() endif() #--------------------------------------------------------------------------------------------------- # OpenGL setup. if(GLES) set(GLSYSTEM "Embedded OpenGL" CACHE STRING "The OpenGL system to be used") else() set(GLSYSTEM "Desktop OpenGL" CACHE STRING "The OpenGL system to be used") endif() set_property(CACHE GLSYSTEM PROPERTY STRINGS "Desktop OpenGL" "Embedded OpenGL") #--------------------------------------------------------------------------------------------------- # Raspberry Pi setup. # Raspberry Pi OS 32-bit (armv7l) if(EXISTS "${CMAKE_FIND_ROOT_PATH}/opt/vc/include/bcm_host.h") set(RPI ON) set(RPI_32 ON) set(BCMHOST ON) message("-- Building on a Raspberry Pi (32-bit OS)") endif() # Raspberry Pi OS 64-bit (aarch64) if(EXISTS "/usr/include/bcm_host.h") set(RPI ON) set(RPI_64 ON) set(BCMHOST ON) message("-- Building on a Raspberry Pi (64-bit OS)") endif() #--------------------------------------------------------------------------------------------------- # Package dependencies. if(GLSYSTEM MATCHES "Desktop OpenGL") set(OpenGL_GL_PREFERENCE "GLVND") find_package(OpenGL REQUIRED) else() find_package(OpenGLES REQUIRED) endif() # Skip package dependency checks if we're on Windows. if(NOT WIN32) find_package(CURL REQUIRED) find_package(FFmpeg REQUIRED) find_package(FreeImage REQUIRED) find_package(Freetype REQUIRED) find_package(Pugixml REQUIRED) find_package(SDL2 REQUIRED) if(VLC_PLAYER) find_package(VLC REQUIRED) endif() endif() # Add libCEC support. if(CEC) find_package(libCEC REQUIRED) endif() # Add ALSA for Linux. if(CMAKE_SYSTEM_NAME MATCHES "Linux") find_package(ALSA REQUIRED) endif() #--------------------------------------------------------------------------------------------------- # Compiler and linker settings. if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") message("-- Compiler is Clang/LLVM") if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0.0) message(SEND_ERROR "You need at least Clang 5.0.0 to compile EmulationStation-DE") endif() elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") message("-- Compiler is GNU/GCC") if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.1) message(SEND_ERROR "You need at least GCC 7.1 to compile EmulationStation-DE") endif() if(WIN32) set(CMAKE_CXX_FLAGS "-mwindows ${CMAKE_CXX_FLAGS}") endif() elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") message("-- Compiler is MSVC") # If using the MSVC compiler on Windows, disable the built-in min() and max() macros. add_definitions(-DNOMINMAX) endif() if(CMAKE_BUILD_TYPE) message("-- Build type is ${CMAKE_BUILD_TYPE}") endif() # Set up compiler and linker flags for debug, profiling or release builds. if(CMAKE_BUILD_TYPE MATCHES Debug) # Enable the C++17 standard and disable optimizations as it's a debug build. if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /Od /DEBUG:FULL") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O0 -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers -Wunused-macros") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O0") endif() # If using Clang, then add additional debug data needed by GDB. # Comment this out if you're using LLDB for debugging as this flag makes the binary # much larger and the application much slower. On macOS this setting is never enabled # as LLDB is the default debugger on this OS. if(NOT APPLE AND CMAKE_CXX_COMPILER_ID MATCHES "Clang") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_DEBUG") endif() elseif(CMAKE_BUILD_TYPE MATCHES Profiling) # For the profiling build, we enable optimizations and supply the required profiler flags. if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /O2 /DEBUG:FULL") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -pg -g -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers -Wunused-macros") set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2 -pg") endif() else() # Enable the C++17 standard and enable optimizations as it's a release build. # This will also disable all assert() macros. Strip the binary too. if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNDEBUG /std:c++17 /O2 /DEBUG:NONE") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -O2 -DNDEBUG -Wall -Wpedantic -Wsign-compare -Wnarrowing -Wmissing-field-initializers -Wunused-macros") if(APPLE) set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2") else() set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -O2 -s") endif() endif() endif() # Raspberry Pi model 3 and higher (ARM Cortex-A53 minimum). if(BCMHOST) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -latomic -mcpu=cortex-a53 -mfpu=neon-fp-armv8") endif() if(ASAN AND TSAN) message(FATAL_ERROR "-- AddressSanitizer and ThreadSanitizer can't be combined") endif() if(ASAN) message("-- Building with AddressSanitizer") if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /fsanitize=address") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fno-omit-frame-pointer") endif() endif() if(TSAN) message("-- Building with ThreadSanitizer") if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC") message(FATAL_ERROR "-- ThreadSanitizer not available for MSVC") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=thread") endif() endif() # The following removes half of the ranlib warnings on macOS regarding no symbols for files # that are #ifdef'ed away. There must be a way to remove the other half as well? if(APPLE) SET(CMAKE_C_ARCHIVE_FINISH " -no_warning_for_no_symbols -c ") SET(CMAKE_CXX_ARCHIVE_FINISH " -no_warning_for_no_symbols -c ") endif() if(APPLE) if(MACOS_CODESIGN_IDENTITY) message("-- Code signing certificate identity: " ${MACOS_CODESIGN_IDENTITY}) endif() if(CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS 10.14) message("-- macOS version 10.13 or lower has been set, so if code signing is enabled, Hardened Runtime will not be used") endif() endif() #--------------------------------------------------------------------------------------------------- # Preprocessor directives. if(GLSYSTEM MATCHES "Desktop OpenGL") add_definitions(-DUSE_OPENGL_21) else() add_definitions(-DUSE_OPENGLES_10) endif() if(RPI) add_definitions(-D_RPI_) endif() if(DEFINED libCEC_FOUND) add_definitions(-DHAVE_LIBCEC) endif() if(VIDEO_HW_DECODING) add_definitions(-DVIDEO_HW_DECODING) endif() if(VLC_PLAYER) add_definitions(-DBUILD_VLC_PLAYER) endif() # GLM library options. add_definitions(-DGLM_FORCE_CXX17) add_definitions(-DGLM_FORCE_XYZW_ONLY) # For Unix systems, assign the installation prefix. If it's not explicitly set, # we use /usr on Linux, /usr/pkg on NetBSD and /usr/local on FreeBSD and OpenBSD. if(NOT WIN32 AND NOT APPLE) if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) if(CMAKE_SYSTEM_NAME MATCHES "Linux") set(CMAKE_INSTALL_PREFIX "/usr" CACHE INTERNAL "CMAKE_INSTALL_PREFIX") elseif(CMAKE_SYSTEM_NAME MATCHES "NetBSD") set(CMAKE_INSTALL_PREFIX "/usr/pkg" CACHE INTERNAL "CMAKE_INSTALL_PREFIX") else() set(CMAKE_INSTALL_PREFIX "/usr/local" CACHE INTERNAL "CMAKE_INSTALL_PREFIX") endif() endif() message("-- Installation prefix is set to " ${CMAKE_INSTALL_PREFIX}) add_definitions(-DES_INSTALL_PREFIX="${CMAKE_INSTALL_PREFIX}") endif() # For Windows, set the minimum OS version to Windows 7. if(WIN32) add_compile_definitions(_WIN32_WINNT=0x0601) add_compile_definitions(WINVER=0x0601) endif() #--------------------------------------------------------------------------------------------------- # Include files. set(COMMON_INCLUDE_DIRS ${CURL_INCLUDE_DIR} ${FFMPEG_INCLUDE_DIRS} ${FreeImage_INCLUDE_DIRS} ${FREETYPE_INCLUDE_DIRS} ${PUGIXML_INCLUDE_DIRS} ${SDL2_INCLUDE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/external/CImg ${CMAKE_CURRENT_SOURCE_DIR}/external/glm ${CMAKE_CURRENT_SOURCE_DIR}/external/nanosvg/src ${CMAKE_CURRENT_SOURCE_DIR}/external/rapidjson/include ${CMAKE_CURRENT_SOURCE_DIR}/es-core/src) if(VLC_PLAYER) set(COMMON_INCLUDE_DIRS ${COMMON_INCLUDE_DIRS} ${VLC_INCLUDE_DIR}) endif() # For Windows we need to add local include files for the dependency packages. if(WIN32) set(WIN32_INCLUDE_DIR "NOT_DEFINED" CACHE FILEPATH "") if(NOT EXISTS ${WIN32_INCLUDE_DIR}) message(SEND_ERROR "Can't find WIN32 include directory: ${WIN32_INCLUDE_DIR}") endif() endif() # Temporary solution until the VLC find module has been updated to work properly on macOS. if(APPLE AND VLC_PLAYER) set(COMMON_INCLUDE_DIRS ${COMMON_INCLUDE_DIRS} "/Applications/VLC.app/Contents/MacOS/include") endif() if(WIN32) set(COMMON_INCLUDE_DIRS ${COMMON_INCLUDE_DIRS} ${WIN32_INCLUDE_DIR}) endif() # Add libCEC include directory. if(DEFINED libCEC_FOUND) list(APPEND COMMON_INCLUDE_DIRS ${libCEC_INCLUDE_DIR}) endif() # For Linux, add the ALSA include directory. if(CMAKE_SYSTEM_NAME MATCHES "Linux") list(APPEND COMMON_INCLUDE_DIRS ${ALSA_INCLUDE_DIRS}) endif() if(RPI_32) list(APPEND COMMON_INCLUDE_DIRS "${CMAKE_FIND_ROOT_PATH}/opt/vc/include" "${CMAKE_FIND_ROOT_PATH}/opt/vc/include/interface/vcos" "${CMAKE_FIND_ROOT_PATH}/opt/vc/include/interface/vmcs_host/linux" "${CMAKE_FIND_ROOT_PATH}/opt/vc/include/interface/vcos/pthreads") endif() #--------------------------------------------------------------------------------------------------- # Dependency libraries. if(NOT WIN32) set(COMMON_LIBRARIES ${CURL_LIBRARIES} ${FFMPEG_LIBRARIES} ${FreeImage_LIBRARIES} ${FREETYPE_LIBRARIES} ${PUGIXML_LIBRARIES} ${SDL2_LIBRARY}) if(VLC_PLAYER) set(COMMON_LIBRARIES ${COMMON_LIBRARIES} ${VLC_LIBRARIES}) endif() elseif(WIN32) if(DEFINED MSVC) set(COMMON_LIBRARIES "${PROJECT_SOURCE_DIR}/avcodec.lib" "${PROJECT_SOURCE_DIR}/avfilter.lib" "${PROJECT_SOURCE_DIR}/avformat.lib" "${PROJECT_SOURCE_DIR}/avutil.lib" "${PROJECT_SOURCE_DIR}/swresample.lib" "${PROJECT_SOURCE_DIR}/swscale.lib" "${PROJECT_SOURCE_DIR}/FreeImage.lib" "${PROJECT_SOURCE_DIR}/glew32.lib" "${PROJECT_SOURCE_DIR}/libcurl-x64.lib" "${PROJECT_SOURCE_DIR}/freetype.lib" "${PROJECT_SOURCE_DIR}/pugixml.lib" "${PROJECT_SOURCE_DIR}/SDL2main.lib" "${PROJECT_SOURCE_DIR}/SDL2.lib" "Winmm.dll") if(VLC_PLAYER) set(COMMON_LIBRARIES ${COMMON_LIBRARIES} "${PROJECT_SOURCE_DIR}/libvlc.lib") endif() else() set(COMMON_LIBRARIES "${PROJECT_SOURCE_DIR}/avcodec-58.dll" "${PROJECT_SOURCE_DIR}/avfilter-7.dll" "${PROJECT_SOURCE_DIR}/avformat-58.dll" "${PROJECT_SOURCE_DIR}/avutil-56.dll" "${PROJECT_SOURCE_DIR}/swresample-3.dll" "${PROJECT_SOURCE_DIR}/swscale-5.dll" "${PROJECT_SOURCE_DIR}/FreeImage.dll" "${PROJECT_SOURCE_DIR}/glew32.dll" "${PROJECT_SOURCE_DIR}/libcurl-x64.dll" "${PROJECT_SOURCE_DIR}/libfreetype.dll" "${PROJECT_SOURCE_DIR}/libpugixml.dll" "${PROJECT_SOURCE_DIR}/libSDL2main.a" "${PROJECT_SOURCE_DIR}/SDL2.dll" "mingw32" "Winmm.dll") if(VLC_PLAYER) set(COMMON_LIBRARIES ${COMMON_LIBRARIES} "${PROJECT_SOURCE_DIR}/libvlc.dll") endif() endif() endif() if(APPLE) # See es-app/CMakeLists.txt for an explation for why an extra "Resources" directory # has been added to the install prefix. set(CMAKE_INSTALL_PREFIX "/Applications/EmulationStation Desktop Edition.app/Contents/Resources") if(VLC_PLAYER) # Required as the VLC find module doesn't work properly on macOS. set(COMMON_LIBRARIES ${COMMON_LIBRARIES} "/Applications/VLC.app/Contents/MacOS/lib/libvlc.dylib") endif() # Set the same rpath links for the install executable as for the build executable. set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE) set(CMAKE_INSTALL_RPATH @executable_path) endif() # Add libCEC libraries. if(DEFINED libCEC_FOUND) list(APPEND COMMON_LIBRARIES dl ${libCEC_LIBRARIES}) endif() # Add ALSA for Linux libraries. if(CMAKE_SYSTEM_NAME MATCHES "Linux") list(APPEND COMMON_LIBRARIES ${ALSA_LIBRARY}) endif() # Raspberry Pi. if(BCMHOST) list(APPEND COMMON_LIBRARIES bcm_host vchiq_arm) if(RPI_32) link_directories("${CMAKE_FIND_ROOT_PATH}/opt/vc/lib") endif() endif() # Note: Building with GLES support on the Raspberry Pi currently seems to be broken. if(GLES AND RPI_32) list(APPEND COMMON_LIBRARIES brcmEGL ${OPENGLES_LIBRARIES}) elseif(GLES AND RPI_64) list(APPEND COMMON_LIBRARIES ${OPENGLES_LIBRARIES}) endif() # OpenGL. if(GLSYSTEM MATCHES "Desktop OpenGL") list(APPEND COMMON_LIBRARIES ${OPENGL_LIBRARIES}) else() list(APPEND COMMON_LIBRARIES EGL ${OPENGLES_LIBRARIES}) endif() #--------------------------------------------------------------------------------------------------- # Build directories. set(dir ${CMAKE_CURRENT_SOURCE_DIR}) set(EXECUTABLE_OUTPUT_PATH ${dir} CACHE PATH "Build directory" FORCE) set(LIBRARY_OUTPUT_PATH ${dir} CACHE PATH "Build directory" FORCE) # Add each component. add_subdirectory("es-core") add_subdirectory("es-app")