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SceneSwitcher/cmake/ObsPluginHelpers.cmake

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CMake
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if(POLICY CMP0087)
cmake_policy(SET CMP0087 NEW)
endif()
set(OBS_STANDALONE_PLUGIN_DIR ${CMAKE_SOURCE_DIR}/release)
set(INCLUDED_LIBOBS_CMAKE_MODULES ON)
include(GNUInstallDirs)
if(${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
set(OS_MACOS ON)
set(OS_POSIX ON)
elseif(${CMAKE_SYSTEM_NAME} MATCHES "Linux|FreeBSD|OpenBSD")
set(OS_POSIX ON)
string(TOUPPER "${CMAKE_SYSTEM_NAME}" _SYSTEM_NAME_U)
set(OS_${_SYSTEM_NAME_U} ON)
elseif(${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
set(OS_WINDOWS ON)
set(OS_POSIX OFF)
endif()
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT AND (OS_WINDOWS OR OS_MACOS))
set(CMAKE_INSTALL_PREFIX
${OBS_STANDALONE_PLUGIN_DIR}
CACHE STRING "Directory to install OBS plugin after building" FORCE)
endif()
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE
"RelWithDebInfo"
CACHE STRING
"OBS build type [Release, RelWithDebInfo, Debug, MinSizeRel]" FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Release RelWithDebInfo
Debug MinSizeRel)
endif()
if(NOT QT_VERSION)
set(QT_VERSION
AUTO
CACHE STRING "OBS Qt version [AUTO, 5, 6]" FORCE)
set_property(CACHE QT_VERSION PROPERTY STRINGS AUTO 5 6)
endif()
macro(find_qt)
set(multiValueArgs COMPONENTS COMPONENTS_WIN COMPONENTS_MAC COMPONENTS_LINUX)
cmake_parse_arguments(FIND_QT "" "${oneValueArgs}" "${multiValueArgs}"
${ARGN})
set(QT_NO_CREATE_VERSIONLESS_TARGETS ON)
find_package(
Qt5
COMPONENTS Core
QUIET)
find_package(
Qt6
COMPONENTS Core
QUIET)
if(NOT _QT_VERSION AND QT_VERSION STREQUAL AUTO)
if(TARGET Qt6::Core)
set(_QT_VERSION
6
CACHE INTERNAL "")
elseif(TARGET Qt5::Core)
set(_QT_VERSION
5
CACHE INTERNAL "")
endif()
message(STATUS "Qt version: ${_QT_VERSION}")
elseif(NOT _QT_VERSION)
if(TARGET Qt${QT_VERSION}::Core)
set(_QT_VERSION
${QT_VERSION}
CACHE INTERNAL "")
else()
if(QT_VERSION EQUAL 6)
set(FALLBACK_QT_VERSION 5)
else()
set(FALLBACK_QT_VERSION 6)
endif()
message(
WARNING
"Qt${QT_VERSION} was not found, falling back to Qt${FALLBACK_QT_VERSION}"
)
if(TARGET Qt${FALLBACK_QT_VERSION}::Core)
set(_QT_VERSION
${FALLBACK_QT_VERSION}
CACHE INTERNAL "")
endif()
endif()
message(STATUS "Qt version: ${_QT_VERSION}")
endif()
set(QT_NO_CREATE_VERSIONLESS_TARGETS OFF)
if(NOT _QT_VERSION)
message(FATAL_ERROR "Neither Qt5 or Qt6 were found")
endif()
if(OS_WINDOWS)
find_package(
Qt${_QT_VERSION}
COMPONENTS ${FIND_QT_COMPONENTS} ${FIND_QT_COMPONENTS_WIN}
REQUIRED)
elseif(OS_MACOS)
find_package(
Qt${_QT_VERSION}
COMPONENTS ${FIND_QT_COMPONENTS} ${FIND_QT_COMPONENTS_MAC}
REQUIRED)
else()
find_package(
Qt${_QT_VERSION}
COMPONENTS ${FIND_QT_COMPONENTS} ${FIND_QT_COMPONENTS_LINUX}
REQUIRED)
endif()
list(APPEND FIND_QT_COMPONENTS "Core")
if("Gui" IN_LIST FIND_QT_COMPONENTS_LINUX)
list(APPEND FIND_QT_COMPONENTS_LINUX "GuiPrivate")
endif()
foreach(_COMPONENT IN LISTS FIND_QT_COMPONENTS FIND_QT_COMPONENTS_WIN
FIND_QT_COMPONENTS_MAC FIND_QT_COMPONENTS_LINUX)
if(NOT TARGET Qt::${_COMPONENT} AND TARGET Qt${_QT_VERSION}::${_COMPONENT})
add_library(Qt::${_COMPONENT} INTERFACE IMPORTED)
set_target_properties(
Qt::${_COMPONENT} PROPERTIES INTERFACE_LINK_LIBRARIES
"Qt${_QT_VERSION}::${_COMPONENT}")
endif()
endforeach()
endmacro()
file(RELATIVE_PATH RELATIVE_INSTALL_PATH ${CMAKE_SOURCE_DIR}
${CMAKE_INSTALL_PREFIX})
file(RELATIVE_PATH RELATIVE_BUILD_PATH ${CMAKE_SOURCE_DIR} ${CMAKE_BINARY_DIR})
# Set up OS-specific environment and helper functions
if(OS_POSIX)
find_program(CCACHE_PROGRAM "ccache")
set(CCACHE_SUPPORT
ON
CACHE BOOL "Enable ccache support")
mark_as_advanced(CCACHE_PROGRAM)
if(CCACHE_PROGRAM AND CCACHE_SUPPORT)
set(CMAKE_CXX_COMPILER_LAUNCHER
${CCACHE_PROGRAM}
CACHE INTERNAL "")
set(CMAKE_C_COMPILER_LAUNCHER
${CCACHE_PROGRAM}
CACHE INTERNAL "")
set(CMAKE_OBJC_COMPILER_LAUNCHER
${CCACHE_PROGRAM}
CACHE INTERNAL "")
set(CMAKE_OBJCXX_COMPILER_LAUNCHER
${CCACHE_PROGRAM}
CACHE INTERNAL "")
set(CMAKE_CUDA_COMPILER_LAUNCHER
${CCACHE_PROGRAM}
CACHE INTERNAL "") # CMake 3.9+
endif()
endif()
if(OS_MACOS)
set(CMAKE_OSX_ARCHITECTURES
"x86_64"
CACHE STRING
"OBS build architecture for macOS - x86_64 required at least")
set_property(CACHE CMAKE_OSX_ARCHITECTURES PROPERTY STRINGS x86_64 arm64
"x86_64;arm64")
set(CMAKE_OSX_DEPLOYMENT_TARGET
"10.15"
CACHE STRING "OBS deployment target for macOS - 10.15+ required")
set_property(CACHE CMAKE_OSX_DEPLOYMENT_TARGET PROPERTY STRINGS 10.15 11.0
12.0 13.0)
set(OBS_BUNDLE_CODESIGN_IDENTITY
"-"
CACHE STRING "OBS code signing identity for macOS")
set(OBS_CODESIGN_ENTITLEMENTS
${CMAKE_SOURCE_DIR}/cmake/bundle/macos/entitlements.plist
CACHE INTERNAL "Path to codesign entitlements plist")
set(OBS_CODESIGN_LINKER
ON
CACHE BOOL "Enable linker code-signing on macOS (macOS 11+ required)")
# Xcode configuration
if(XCODE)
# Tell Xcode to pretend the linker signed binaries so that editing with
# install_name_tool preserves ad-hoc signatures. This option is supported by
# codesign on macOS 11 or higher. See CMake Issue 21854:
# https://gitlab.kitware.com/cmake/cmake/-/issues/21854
set(CMAKE_XCODE_GENERATE_SCHEME ON)
if(OBS_CODESIGN_LINKER)
set(CMAKE_XCODE_ATTRIBUTE_OTHER_CODE_SIGN_FLAGS "-o linker-signed")
endif()
endif()
# Set default options for bundling on macOS
set(CMAKE_MACOSX_RPATH ON)
set(CMAKE_SKIP_BUILD_RPATH OFF)
set(CMAKE_BUILD_WITH_INSTALL_RPATH OFF)
set(CMAKE_INSTALL_RPATH "@executable_path/../Frameworks/")
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH OFF)
function(setup_plugin_target target)
if(NOT DEFINED MACOSX_PLUGIN_GUI_IDENTIFIER)
message(
FATAL_ERROR
"No 'MACOSX_PLUGIN_GUI_IDENTIFIER' set, but is required to build plugin bundles on macOS - example: 'com.yourname.pluginname'"
)
endif()
if(NOT DEFINED MACOSX_PLUGIN_BUNDLE_VERSION)
message(
FATAL_ERROR
"No 'MACOSX_PLUGIN_BUNDLE_VERSION' set, but is required to build plugin bundles on macOS - example: '25'"
)
endif()
if(NOT DEFINED MACOSX_PLUGIN_SHORT_VERSION_STRING)
message(
FATAL_ERROR
"No 'MACOSX_PLUGIN_SHORT_VERSION_STRING' set, but is required to build plugin bundles on macOS - example: '1.0.2'"
)
endif()
set(MACOSX_PLUGIN_BUNDLE_NAME
"${target}"
PARENT_SCOPE)
set(MACOSX_PLUGIN_BUNDLE_VERSION
"${MACOSX_BUNDLE_BUNDLE_VERSION}"
PARENT_SCOPE)
set(MACOSX_PLUGIN_SHORT_VERSION_STRING
"${MACOSX_BUNDLE_SHORT_VERSION_STRING}"
PARENT_SCOPE)
set(MACOSX_PLUGIN_EXECUTABLE_NAME
"${target}"
PARENT_SCOPE)
set(MACOSX_PLUGIN_BUNDLE_TYPE
"BNDL"
PARENT_SCOPE)
install(
TARGETS ${target}
LIBRARY DESTINATION "."
COMPONENT obs_plugins
NAMELINK_COMPONENT ${target}_Development)
if(${QT_VERSION} EQUAL 5)
set(_QT_FW_VERSION "${QT_VERSION}")
else()
set(_QT_FW_VERSION "A")
endif()
set(_COMMAND
"${CMAKE_INSTALL_NAME_TOOL} \\
-change ${CMAKE_PREFIX_PATH}/lib/QtWidgets.framework/Versions/${QT_VERSION}/QtWidgets @rpath/QtWidgets.framework/Versions/${_QT_FW_VERSION}/QtWidgets \\
-change ${CMAKE_PREFIX_PATH}/lib/QtCore.framework/Versions/${QT_VERSION}/QtCore @rpath/QtCore.framework/Versions/${_QT_FW_VERSION}/QtCore \\
-change ${CMAKE_PREFIX_PATH}/lib/QtGui.framework/Versions/${QT_VERSION}/QtGui @rpath/QtGui.framework/Versions/${_QT_FW_VERSION}/QtGui \\
\\\"\${CMAKE_INSTALL_PREFIX}/${target}.plugin/Contents/MacOS/${target}\\\""
)
install(CODE "execute_process(COMMAND /bin/sh -c \"${_COMMAND}\")"
COMPONENT obs_plugins)
unset(_QT_FW_VERSION)
if(NOT XCODE)
set(_COMMAND
"/usr/bin/codesign --force \\
--sign \\\"${OBS_BUNDLE_CODESIGN_IDENTITY}\\\" \\
--options runtime \\
--entitlements \\\"${CMAKE_CURRENT_FUNCTION_LIST_DIR}/bundle/macOS/entitlements.plist\\\" \\
\\\"\${CMAKE_INSTALL_PREFIX}/${target}.plugin\\\"")
install(CODE "execute_process(COMMAND /bin/sh -c \"${_COMMAND}\")"
COMPONENT obs_plugins)
endif()
set_target_properties(
${target}
PROPERTIES
BUNDLE ON
BUNDLE_EXTENSION "plugin"
OUTPUT_NAME ${target}
MACOSX_BUNDLE_INFO_PLIST
"${CMAKE_CURRENT_FUNCTION_LIST_DIR}/bundle/macOS/Plugin-Info.plist.in"
XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER
"${MACOSX_PLUGIN_GUI_IDENTIFIER}"
XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "${OBS_BUNDLE_CODESIGN_IDENTITY}"
XCODE_ATTRIBUTE_CODE_SIGN_ENTITLEMENTS
"${CMAKE_CURRENT_FUNCTION_LIST_DIR}/bundle/macOS/entitlements.plist")
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND
/bin/sh -c
"codesign --force --sign \"-\" $<$<BOOL:${OBS_CODESIGN_LINKER}>:--options linker-signed >\"$<TARGET_BUNDLE_DIR:${target}>\""
COMMENT "Codesigning ${target}"
VERBATIM)
install_bundle_resources(${target})
endfunction()
function(install_bundle_resources target)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/data)
file(GLOB_RECURSE _DATA_FILES "${CMAKE_CURRENT_SOURCE_DIR}/data/*")
foreach(_DATA_FILE IN LISTS _DATA_FILES)
file(RELATIVE_PATH _RELATIVE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/data/
${_DATA_FILE})
get_filename_component(_RELATIVE_PATH ${_RELATIVE_PATH} PATH)
target_sources(${target} PRIVATE ${_DATA_FILE})
set_source_files_properties(
${_DATA_FILE} PROPERTIES MACOSX_PACKAGE_LOCATION
Resources/${_RELATIVE_PATH})
string(REPLACE "\\" "\\\\" _GROUP_NAME ${_RELATIVE_PATH})
source_group("Resources\\${_GROUP_NAME}" FILES ${_DATA_FILE})
endforeach()
endif()
endfunction()
else()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_ARCH_SUFFIX 64)
else()
set(_ARCH_SUFFIX 32)
endif()
set(OBS_OUTPUT_DIR ${CMAKE_BINARY_DIR}/rundir)
if(OS_POSIX)
option(LINUX_PORTABLE "Build portable version (Linux)" ON)
if(NOT LINUX_PORTABLE)
set(OBS_LIBRARY_DESTINATION ${CMAKE_INSTALL_LIBDIR})
set(OBS_PLUGIN_DESTINATION ${OBS_LIBRARY_DESTINATION}/obs-plugins)
set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib)
set(OBS_DATA_DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/obs)
else()
set(OBS_LIBRARY_DESTINATION bin/${_ARCH_SUFFIX}bit)
set(OBS_PLUGIN_DESTINATION obs-plugins/${_ARCH_SUFFIX}bit)
set(CMAKE_INSTALL_RPATH
"$ORIGIN/" "${CMAKE_INSTALL_PREFIX}/${OBS_LIBRARY_DESTINATION}")
set(OBS_DATA_DESTINATION "data")
endif()
if(OS_LINUX)
set(CPACK_PACKAGE_NAME "${CMAKE_PROJECT_NAME}")
set(CPACK_DEBIAN_PACKAGE_MAINTAINER "${LINUX_MAINTAINER_EMAIL}")
set(CPACK_PACKAGE_VERSION "${CMAKE_PROJECT_VERSION}")
set(CPACK_PACKAGE_FILE_NAME
"${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-linux-x86_64")
set(CPACK_GENERATOR "DEB")
if(${QT_VERSION} STREQUAL "6")
set(CPACK_DEBIAN_PACKAGE_DEPENDS
"obs-studio (>= 28.0.0), libqt6core6 (>= 6.2.0), libqt6gui6 (>= 6.1.2), libqt6widgets6 (>= 6.1.2)"
)
else()
set(CPACK_DEBIAN_PACKAGE_DEPENDS
"obs-studio (>= 28.0.0), libqt5core5a (>= 5.9.0~beta), libqt5gui5 (>= 5.3.0), libqt5widgets5 (>= 5.7.0)"
)
endif()
set(CPACK_OUTPUT_FILE_PREFIX ${CMAKE_SOURCE_DIR}/release)
if(NOT LINUX_PORTABLE)
set(CPACK_SET_DESTDIR ON)
endif()
include(CPack)
endif()
else()
set(OBS_LIBRARY_DESTINATION "bin/${_ARCH_SUFFIX}bit")
set(OBS_LIBRARY32_DESTINATION "bin/32bit")
set(OBS_LIBRARY64_DESTINATION "bin/64bit")
set(OBS_PLUGIN_DESTINATION "obs-plugins/${_ARCH_SUFFIX}bit")
set(OBS_PLUGIN32_DESTINATION "obs-plugins/32bit")
set(OBS_PLUGIN64_DESTINATION "obs-plugins/64bit")
set(OBS_DATA_DESTINATION "data")
endif()
function(setup_plugin_target target)
set_target_properties(${target} PROPERTIES PREFIX "")
install(
TARGETS ${target}
RUNTIME DESTINATION "${OBS_PLUGIN_DESTINATION}"
COMPONENT ${target}_Runtime
LIBRARY DESTINATION "${OBS_PLUGIN_DESTINATION}"
COMPONENT ${target}_Runtime
NAMELINK_COMPONENT ${target}_Development)
install(
FILES $<TARGET_FILE:${target}>
DESTINATION $<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_rundir
EXCLUDE_FROM_ALL)
if(OS_WINDOWS)
install(
FILES $<TARGET_PDB_FILE:${target}>
CONFIGURATIONS "RelWithDebInfo" "Debug"
DESTINATION ${OBS_PLUGIN_DESTINATION}
COMPONENT ${target}_Runtime
OPTIONAL)
install(
FILES $<TARGET_PDB_FILE:${target}>
CONFIGURATIONS "RelWithDebInfo" "Debug"
DESTINATION $<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_rundir
OPTIONAL EXCLUDE_FROM_ALL)
endif()
if(MSVC)
target_link_options(
${target}
PRIVATE
"LINKER:/OPT:REF"
"$<$<NOT:$<EQUAL:${CMAKE_SIZEOF_VOID_P},8>>:LINKER\:/SAFESEH\:NO>"
"$<$<CONFIG:DEBUG>:LINKER\:/INCREMENTAL:NO>"
"$<$<CONFIG:RELWITHDEBINFO>:LINKER\:/INCREMENTAL:NO>")
endif()
setup_target_resources(${target} obs-plugins/${target})
if(OS_WINDOWS AND DEFINED OBS_BUILD_DIR)
setup_target_for_testing(${target} obs-plugins/${target})
endif()
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND
"${CMAKE_COMMAND}" -DCMAKE_INSTALL_PREFIX=${OBS_OUTPUT_DIR}
-DCMAKE_INSTALL_COMPONENT=obs_rundir
-DCMAKE_INSTALL_CONFIG_NAME=$<CONFIG> -P
${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
COMMENT "Installing to plugin rundir"
VERBATIM)
endfunction()
function(setup_target_resources target destination)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/data)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data/
DESTINATION ${OBS_DATA_DESTINATION}/${destination}
USE_SOURCE_PERMISSIONS
COMPONENT obs_plugins)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data
DESTINATION $<CONFIG>/${OBS_DATA_DESTINATION}/${destination}
USE_SOURCE_PERMISSIONS
COMPONENT obs_rundir
EXCLUDE_FROM_ALL)
endif()
endfunction()
if(OS_WINDOWS)
function(setup_target_for_testing target destination)
install(
FILES $<TARGET_FILE:${target}>
DESTINATION $<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_testing
EXCLUDE_FROM_ALL)
install(
FILES $<TARGET_PDB_FILE:${target}>
CONFIGURATIONS "RelWithDebInfo" "Debug"
DESTINATION $<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_testing
OPTIONAL EXCLUDE_FROM_ALL)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data/
DESTINATION $<CONFIG>/${OBS_DATA_DESTINATION}/${destination}
USE_SOURCE_PERMISSIONS
COMPONENT obs_testing
EXCLUDE_FROM_ALL)
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND
"${CMAKE_COMMAND}" -DCMAKE_INSTALL_PREFIX=${OBS_BUILD_DIR}/rundir
-DCMAKE_INSTALL_COMPONENT=obs_testing
-DCMAKE_INSTALL_CONFIG_NAME=$<CONFIG> -P
${CMAKE_CURRENT_BINARY_DIR}/cmake_install.cmake
COMMENT "Installing to OBS test directory"
VERBATIM)
endfunction()
endif()
endif()
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