duckstation/CMakeLists.txt

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CMake
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cmake_minimum_required(VERSION 3.8)
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project(duckstation C CXX)
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message("CMake Version: ${CMAKE_VERSION}")
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# Pull in modules.
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/CMakeModules/")
# Platform detection.
if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
set(LINUX TRUE)
set(SUPPORTS_X11 TRUE)
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set(SUPPORTS_WAYLAND TRUE)
endif()
# Global options.
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if(NOT ANDROID)
option(BUILD_SDL_FRONTEND "Build the SDL frontend" ON)
option(BUILD_QT_FRONTEND "Build the Qt frontend" ON)
option(BUILD_LIBRETRO_CORE "Build a libretro core" OFF)
option(ENABLE_DISCORD_PRESENCE "Build with Discord Rich Presence support" ON)
option(USE_SDL2 "Link with SDL2 for controller support" ON)
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endif()
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# OpenGL context creation methods.
if(SUPPORTS_X11)
option(USE_X11 "Support X11 window system" ON)
endif()
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if(SUPPORTS_WAYLAND)
option(USE_WAYLAND "Support Wayland window system" OFF)
endif()
if(LINUX OR ANDROID)
option(USE_EGL "Support EGL OpenGL context creation" ON)
endif()
# When we're building for libretro, everything else is invalid because of PIC.
if(ANDROID OR BUILD_LIBRETRO_CORE)
if(BUILD_SDL_FRONTEND)
message(WARNING "Building for Android or libretro core, disabling SDL frontend")
set(BUILD_SDL_FRONTEND OFF)
endif()
if(BUILD_QT_FRONTEND)
message(WARNING "Building for Android or libretro core, disabling Qt frontend")
set(BUILD_QT_FRONTEND OFF)
endif()
if(ENABLE_DISCORD_PRESENCE)
message("Building for Android or libretro core, disabling Discord Presence support")
set(ENABLE_DISCORD_PRESENCE OFF)
endif()
if(USE_SDL2)
message("Building for Android or libretro core, disabling SDL2 support")
set(USE_SDL2 OFF)
endif()
if(USE_X11)
set(USE_X11 OFF)
endif()
if(BUILD_LIBRETRO_CORE AND USE_EGL)
set(USE_EGL OFF)
endif()
# Force PIC when compiling a libretro core.
if(BUILD_LIBRETRO_CORE)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
endif()
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# Common include/library directories on Windows.
if(WIN32)
set(SDL2_FOUND TRUE)
set(SDL2_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/include")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(SDL2_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/lib64/SDL2.lib")
set(SDL2MAIN_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/lib64/SDL2main.lib")
set(SDL2_DLL_PATH "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/bin64/SDL2.dll")
set(Qt5_DIR "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/qt/5.14.0/msvc2017_64/lib/cmake/Qt5")
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else()
set(SDL2_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/lib32/SDL2.lib")
set(SDL2MAIN_LIBRARIES "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/lib32/SDL2main.lib")
set(SDL2_DLL_PATH "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/sdl2/bin32/SDL2.dll")
set(Qt5_DIR "${CMAKE_CURRENT_SOURCE_DIR}/dep/msvc/qt/5.14.0/msvc2017_32/lib/cmake/Qt5")
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endif()
endif()
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# Required libraries.
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if(NOT ANDROID)
if(NOT WIN32 AND (BUILD_SDL_FRONTEND OR USE_SDL2))
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find_package(SDL2 REQUIRED)
endif()
if(BUILD_QT_FRONTEND)
find_package(Qt5 COMPONENTS Core Gui Widgets Network REQUIRED)
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endif()
endif()
if(USE_EGL)
find_package(EGL REQUIRED)
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endif()
if(USE_X11)
find_package(X11 REQUIRED)
endif()
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if(USE_WAYLAND)
find_package(ECM REQUIRED NO_MODULE)
list(APPEND CMAKE_MODULE_PATH "${ECM_MODULE_PATH}")
find_package(Wayland REQUIRED Egl)
message(STATUS "Wayland support enabled")
endif()
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# Set _DEBUG macro for Debug builds.
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -D_DEBUG")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -D_DEBUG")
# Release build optimizations for MSVC.
if(MSVC)
add_definitions("/D_CRT_SECURE_NO_WARNINGS")
foreach(config CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
# Set warning level 3 instead of 4.
string(REPLACE "/W3" "/W4" ${config} "${${config}}")
# Enable intrinsic functions, disable minimal rebuild.
set(${config} "${${config}} /Oi /Gm-")
endforeach()
# RelWithDebInfo is set to Ob1 instead of Ob2.
string(REPLACE "/Ob1" "/Ob2" CMAKE_C_FLAGS_RELWITHDEBINFO "${CMAKE_C_FLAGS_RELWITHDEBINFO}")
string(REPLACE "/Ob1" "/Ob2" CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
# Disable incremental linking in RelWithDebInfo.
string(REPLACE "/INCREMENTAL" "/INCREMENTAL:NO" CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO}")
# COMDAT folding/remove unused functions.
set(CMAKE_EXE_LINKER_FLAGS_RELEASE "${CMAKE_EXE_LINKER_FLAGS_RELEASE} /OPT:REF /OPT:ICF")
set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO} /OPT:REF /OPT:ICF")
# Enable LTO/LTCG on Release builds.
if(${CMAKE_BUILD_TYPE} STREQUAL "Release")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
endif()
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endif()
# Detect C++ version support.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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include(CheckCXXFlag)
check_cxx_flag(-Wall COMPILER_SUPPORTS_WALL)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-switch")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-switch")
if(NOT ANDROID)
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check_cxx_flag(-Wno-class-memaccess COMPILER_SUPPORTS_MEMACCESS)
check_cxx_flag(-Wno-invalid-offsetof COMPILER_SUPPORTS_OFFSETOF)
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endif()
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endif()
# Detect processor type.
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
set(CPU_ARCH "x64")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
# MSVC x86/x64
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(CPU_ARCH "x64")
else()
set(CPU_ARCH "x86")
endif()
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i386" OR
${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i686")
set(CPU_ARCH "x86")
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "aarch64")
set(CPU_ARCH "aarch64")
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elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "arm" OR ${CMAKE_SYSTEM_PROCESSOR} STREQUAL "armv7-a")
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set(CPU_ARCH "arm")
else()
message(FATAL_ERROR "Unknown system processor: " ${CMAKE_SYSTEM_PROCESSOR})
endif()
# Write binaries to a seperate directory.
if(WIN32 AND NOT BUILD_LIBRETRO_CORE)
# For Windows, use the source directory, except for libretro.
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin/${CPU_ARCH}")
else()
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
endif()
# Needed for Linux - put shared libraries in the binary directory.
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}")
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# Enable threads everywhere.
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
# Recursively include the source tree.
enable_testing()
add_subdirectory(dep)
add_subdirectory(src)
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if(ANDROID AND NOT BUILD_LIBRETRO_CORE)
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add_subdirectory(android/app/src/cpp)
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endif()