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obs-studio/CMakeLists.txt

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CMake
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cmake_minimum_required(VERSION 3.10)
if (UNIX AND POLICY CMP0072)
# In case of both legacy and glvnd OpenGL libraries found. Prefer GLVND
cmake_policy(SET CMP0072 NEW)
endif()
project(obs-studio)
option(DEBUG_FFMPEG_MUX "Debug FFmpeg muxer subprocess" FALSE)
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
if(WIN32)
cmake_minimum_required(VERSION 3.16)
# Check for Win SDK version 10.0.19041 or above
if(MSVC AND MSVC_VERSION LESS 1920)
message(STATUS "Windows API version is ${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
string(REPLACE "." ";" WINAPI_VER "${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
list(GET WINAPI_VER 0 WINAPI_VER_MAJOR)
list(GET WINAPI_VER 1 WINAPI_VER_MINOR)
list(GET WINAPI_VER 2 WINAPI_VER_BUILD)
set(WINAPI_COMPATIBLE FALSE)
if(WINAPI_VER_MAJOR EQUAL 10)
if (WINAPI_VER_MINOR EQUAL 0)
if (WINAPI_VER_BUILD GREATER_EQUAL 19041)
set(WINAPI_COMPATIBLE TRUE)
endif()
else()
set(WINAPI_COMPATIBLE TRUE)
endif()
elseif(WINAPI_VER_MAJOR GREATER 10)
set(WINAPI_COMPATIBLE TRUE)
endif()
if(NOT WINAPI_COMPATIBLE)
message(FATAL_ERROR "OBS requires Windows 10 SDK version 10.0.19041.0 and above to compile.\nPlease download the most recent Windows 10 SDK in order to compile (or update to Visual Studio 2019).")
endif()
endif()
if (QTDIR OR DEFINED ENV{QTDIR} OR DEFINED ENV{QTDIR32} OR DEFINED ENV{QTDIR64})
# Qt path set by user or env var
else()
set(QTDIR "" CACHE PATH "Path to Qt (e.g. C:/Qt/5.7/msvc2015_64)")
message(WARNING "QTDIR variable is missing. Please set this variable to specify path to Qt (e.g. C:/Qt/5.7/msvc2015_64)")
endif()
if (DepsPath OR DEFINED ENV{DepsPath} OR DEFINED ENV{DepsPath32} OR DEFINED ENV{DepsPath64})
# Dependencies path set by user or env var
else()
set(DepsPath "" CACHE PATH "Path to compiled dependencies (e.g. D:/dependencies/win64)")
message(WARNING "DepsPath variable is missing. Please set this variable to specify path to compiled dependencies (e.g. D:/dependencies/win64)")
endif()
endif()
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
set(ENABLE_SCRIPTING TRUE CACHE BOOL "Enables scripting")
set(SCRIPTING_ENABLED OFF CACHE BOOL "Internal global cmake variable" FORCE)
include(ObsHelpers)
include(ObsCpack)
include(GNUInstallDirs)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
# Must be a string in the format of "x.x.x-rcx"
if(DEFINED RELEASE_CANDIDATE)
set(OBS_VERSION "${RELEASE_CANDIDATE}")
string(REPLACE "-rc" "." RC_SPLIT ${RELEASE_CANDIDATE})
string(REPLACE "." ";" RC_SPLIT ${RC_SPLIT})
message(WARNING "******************************************************************************\nRelease candidate deteced, OBS_VERSION is now: ${OBS_VERSION}\n******************************************************************************")
list(GET RC_SPLIT 0 OBS_RELEASE_CANDIDATE_MAJOR)
list(GET RC_SPLIT 1 OBS_RELEASE_CANDIDATE_MINOR)
list(GET RC_SPLIT 2 OBS_RELEASE_CANDIDATE_PATCH)
list(GET RC_SPLIT 3 OBS_RELEASE_CANDIDATE)
else()
set(OBS_RELEASE_CANDIDATE_MAJOR 0)
set(OBS_RELEASE_CANDIDATE_MINOR 0)
set(OBS_RELEASE_CANDIDATE_PATCH 0)
set(OBS_RELEASE_CANDIDATE 0)
endif()
# Binary Versioning for Windows
if(WIN32)
string(REPLACE "-" ";" UI_VERSION_SPLIT ${OBS_VERSION})
list(GET UI_VERSION_SPLIT 0 UI_VERSION)
string(REPLACE "." ";" UI_VERSION_SEMANTIC ${UI_VERSION})
list(GET UI_VERSION_SEMANTIC 0 UI_VERSION_MAJOR)
list(GET UI_VERSION_SEMANTIC 1 UI_VERSION_MINOR)
list(GET UI_VERSION_SEMANTIC 2 UI_VERSION_PATCH)
set(OBS_COMPANY_NAME "OBS")
set(OBS_PRODUCT_NAME "OBS Studio")
set(OBS_COMMENTS "Free and open source software for video recording and live streaming")
set(OBS_LEGAL_COPYRIGHT "(C) Hugh Bailey")
set(MODULE_DESCRIPTION "OBS Studio")
configure_file(UI/obs.rc.in ${PROJECT_BINARY_DIR}/obs.rc)
endif()
if(MSVC AND NOT EXISTS "${CMAKE_BINARY_DIR}/ALL_BUILD.vcxproj.user")
file(GENERATE
OUTPUT "${CMAKE_BINARY_DIR}/ALL_BUILD.vcxproj.user"
INPUT "${CMAKE_SOURCE_DIR}/cmake/ALL_BUILD.vcxproj.user.in")
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE RelWithDebInfo)
endif()
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)
if(${CMAKE_C_COMPILER_ID} MATCHES "Clang" OR ${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
set(CMAKE_COMPILER_IS_CLANG TRUE)
endif()
if (MSVC_CXX_ARCHITECTURE_ID)
string(TOLOWER ${MSVC_CXX_ARCHITECTURE_ID} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
else ()
string(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} LOWERCASE_CMAKE_SYSTEM_PROCESSOR)
endif ()
if(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "(i[3-6]86|x86|x64|x86_64|amd64|e2k)")
if(NOT MSVC)
set(ARCH_SIMD_FLAGS "-mmmx" "-msse" "-msse2")
endif()
elseif(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "^(powerpc|ppc)64(le)?")
set(ARCH_SIMD_DEFINES "-DNO_WARN_X86_INTRINSICS")
set(ARCH_SIMD_FLAGS "-mvsx")
add_compile_definitions(NO_WARN_X86_INTRINSICS)
else()
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSIMDE_ENABLE_OPENMP")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DSIMDE_ENABLE_OPENMP")
CHECK_C_COMPILER_FLAG("-fopenmp-simd" C_COMPILER_SUPPORTS_OPENMP_SIMD)
if(C_COMPILER_SUPPORTS_OPENMP_SIMD)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fopenmp-simd")
endif()
CHECK_CXX_COMPILER_FLAG("-fopenmp-simd" CXX_COMPILER_SUPPORTS_OPENMP_SIMD)
if(CXX_COMPILER_SUPPORTS_OPENMP_SIMD)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp-simd")
endif()
endif()
set(ARCH_SIMD_FLAGS "")
message(STATUS "No Native SSE2 SIMD Support - Using SIMDE")
endif()
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wvla -Wno-unused-function -Wno-missing-field-initializers ${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
set(CMAKE_C_FLAGS "-Wall -Wextra -Wvla -Wno-unused-function -Werror-implicit-function-declaration -Wno-missing-braces -Wno-missing-field-initializers ${CMAKE_C_FLAGS} -std=gnu99 -fno-strict-aliasing")
option(USE_LIBC++ "Use libc++ instead of libstdc++" ${APPLE})
if(USE_LIBC++)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
endif()
elseif(MSVC)
if(CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
endif()
# Disable pointless constant condition warnings
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4127 /wd4201 /wd4456 /wd4457 /wd4458 /wd4459 /wd4595")
endif()
if(WIN32)
add_definitions(-DUNICODE -D_UNICODE -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS)
endif()
if(MSVC)
add_compile_options("/MP")
set(CMAKE_C_FLAGS_DEBUG "/DDEBUG=1 /D_DEBUG=1 ${CMAKE_C_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_DEBUG "/DDEBUG=1 /D_DEBUG=1 ${CMAKE_C_FLAGS_DEBUG}")
if(NOT CMAKE_SIZEOF_VOID_P EQUAL 8)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SAFESEH:NO")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /SAFESEH:NO")
set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} /SAFESEH:NO")
endif()
foreach(t EXE SHARED MODULE)
set(CMAKE_${t}_LINKER_FLAGS "${CMAKE_${t}_LINKER_FLAGS} /OPT:REF")
set(CMAKE_${t}_LINKER_FLAGS_DEBUG "${CMAKE_${t}_LINKER_FLAGS_DEBUG} /INCREMENTAL:NO")
set(CMAKE_${t}_LINKER_FLAGS_RELWITHDEBINFO "${CMAKE_${t}_LINKER_FLAGS_RELWITHDEBINFO} /INCREMENTAL:NO")
endforeach()
else()
if(MINGW)
set(CMAKE_WIDL "widl" CACHE STRING "wine IDL header file generation program")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_WIN32_WINNT=0x0600 -DWINVER=0x0600")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_WIN32_WINNT=0x0600 -DWINVER=0x0600")
endif()
set(CMAKE_C_FLAGS_DEBUG "-DDEBUG=1 -D_DEBUG=1 ${CMAKE_C_FLAGS_DEBUG}")
set(CMAKE_CXX_FLAGS_DEBUG "-DDEBUG=1 -D_DEBUG=1 ${CMAKE_C_FLAGS_DEBUG}")
endif()
if(APPLE)
set(CMAKE_MACOSX_RPATH TRUE)
set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
list(APPEND CMAKE_INSTALL_RPATH "@loader_path/" "@executable_path/")
elseif(UNIX)
option(USE_XDG "Utilize XDG Base Directory Specification" ON)
option(ENABLE_WAYLAND "Build support for Wayland" ON)
if(USE_XDG)
add_definitions(-DUSE_XDG)
endif()
if(NOT UNIX_STRUCTURE)
list(APPEND CMAKE_INSTALL_RPATH "$ORIGIN")
endif()
endif()
if(LOWERCASE_CMAKE_SYSTEM_PROCESSOR MATCHES "e2k")
foreach(TEST_C_FLAG "-Wno-unused-parameter" "-Wno-ignored-qualifiers" "-Wno-pointer-sign" "-Wno-unused-variable" "-Wno-sign-compare" "-Wno-bad-return-value-type" "-Wno-maybe-uninitialized")
CHECK_C_COMPILER_FLAG(${TEST_C_FLAG} C_COMPILER_SUPPORTS_FLAG_${TEST_C_FLAG})
if(C_COMPILER_SUPPORTS_FLAG_${TEST_C_FLAG})
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${TEST_C_FLAG}")
endif()
endforeach()
foreach(TEST_CXX_FLAG "-Wno-invalid-offsetof" "-Wno-maybe-uninitialized")
CHECK_CXX_COMPILER_FLAG(${TEST_CXX_FLAG} CXX_COMPILER_SUPPORTS_FLAG_${TEST_CXX_FLAG})
if(CXX_COMPILER_SUPPORTS_FLAG_${TEST_CXX_FLAG})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${TEST_CXX_FLAG}")
endif()
endforeach()
endif()
option(BUILD_TESTS "Build test directory (includes test sources and possibly a platform test executable)" FALSE)
mark_as_advanced(BUILD_TESTS)
if(NOT INSTALLER_RUN)
option(ENABLE_UI "Enables the OBS user interfaces" ON)
if(DISABLE_UI OR NOT ENABLE_UI)
set(UI_ENABLED FALSE)
else()
set(UI_ENABLED TRUE)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_lib_suffix 64)
else()
set(_lib_suffix 32)
endif()
if(DEFINED QTDIR${_lib_suffix})
list(APPEND CMAKE_PREFIX_PATH "${QTDIR${_lib_suffix}}")
elseif(DEFINED QTDIR)
list(APPEND CMAKE_PREFIX_PATH "${QTDIR}")
elseif(DEFINED ENV{QTDIR${_lib_suffix}})
list(APPEND CMAKE_PREFIX_PATH "$ENV{QTDIR${_lib_suffix}}")
elseif(DEFINED ENV{QTDIR})
list(APPEND CMAKE_PREFIX_PATH "$ENV{QTDIR}")
endif()
find_package(Qt5Widgets ${FIND_MODE})
endif()
add_subdirectory(deps)
if(WIN32)
add_subdirectory(libobs-d3d11)
add_subdirectory(libobs-winrt)
endif()
add_subdirectory(libobs-opengl)
add_subdirectory(libobs)
add_subdirectory(plugins)
add_subdirectory(UI)
if (ENABLE_UNIT_TESTS)
enable_testing()
endif()
if (BUILD_TESTS OR ENABLE_UNIT_TESTS)
add_subdirectory(test)
endif()
add_subdirectory(cmake/helper_subdir)
else()
obs_generate_multiarch_installer()
endif()
include(CopyMSVCBins)
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