Files
obs-studio/cmake/Modules/ObsHelpers.cmake
PatTheMav ae6e9c875b cmake: Add OBS CMake build framework 3.0
OBS CMake build framework 3.0 is a minor overhaul of version 2.0. Due
to close proximity of the 2.0 rework, the amount of actual changes to
project files are minimal and mostly concern application generation.

This commit contains the bootstrap elements only and requires
OS-specific implementations to be functional.
2023-03-26 18:20:38 -04:00

524 lines
17 KiB
CMake

# Set OS-specific constants in non-deprecated way
include(GNUInstallDirs)
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
include(ObsDefaults_macOS)
set(OS_MACOS ON)
set(OS_POSIX ON)
elseif(CMAKE_SYSTEM_NAME MATCHES "Linux|FreeBSD|OpenBSD")
include(ObsDefaults_Linux)
set(OS_POSIX ON)
string(TOUPPER "${CMAKE_SYSTEM_NAME}" _SYSTEM_NAME_U)
set(OS_${_SYSTEM_NAME_U} ON)
elseif(CMAKE_SYSTEM_NAME STREQUAL "Windows")
include(ObsDefaults_Windows)
set(OS_WINDOWS ON)
set(OS_POSIX OFF)
endif()
# Create global property to hold list of activated modules
set_property(GLOBAL PROPERTY OBS_MODULE_LIST "")
# ######################################################################################################################
# GLOBAL HELPER FUNCTIONS #
# ######################################################################################################################
# Helper function to set up runtime or library targets
function(setup_binary_target target)
# Set up installation paths for program install
install(
TARGETS ${target}
RUNTIME DESTINATION ${OBS_EXECUTABLE_DESTINATION} COMPONENT ${target}_Runtime
LIBRARY DESTINATION ${OBS_LIBRARY_DESTINATION}
COMPONENT ${target}_Runtime
NAMELINK_COMPONENT ${target}_Development
ARCHIVE DESTINATION ${OBS_LIBRARY_DESTINATION} COMPONENT ${target}_Development
PUBLIC_HEADER
DESTINATION ${OBS_INCLUDE_DESTINATION}
COMPONENT ${target}_Development
EXCLUDE_FROM_ALL)
# Set up installation paths for development rundir
install(
TARGETS ${target}
RUNTIME DESTINATION ${OBS_EXECUTABLE_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL
LIBRARY DESTINATION ${OBS_LIBRARY_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL
PUBLIC_HEADER
DESTINATION ${OBS_INCLUDE_DESTINATION}
COMPONENT IGNORED
EXCLUDE_FROM_ALL)
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E env DESTDIR= "${CMAKE_COMMAND}" --install .. --config $<CONFIG> --prefix
${OBS_OUTPUT_DIR}/$<CONFIG> --component obs_${target} > "$<IF:$<PLATFORM_ID:Windows>,nul,/dev/null>"
COMMENT "Installing OBS rundir"
VERBATIM)
endfunction()
# Helper function to set up OBS plugin targets
function(setup_plugin_target target)
set_target_properties(${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(
TARGETS ${target}
RUNTIME DESTINATION ${OBS_PLUGIN_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL
LIBRARY DESTINATION ${OBS_PLUGIN_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
setup_target_resources("${target}" "obs-plugins/${target}")
set_property(GLOBAL APPEND PROPERTY OBS_MODULE_LIST "${target}")
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E env DESTDIR= "${CMAKE_COMMAND}" --install .. --config $<CONFIG> --prefix
${OBS_OUTPUT_DIR}/$<CONFIG> --component obs_${target} > "$<IF:$<PLATFORM_ID:Windows>,nul,/dev/null>"
COMMENT "Installing ${target} to OBS rundir"
VERBATIM)
obs_status(ENABLED "${target}")
endfunction()
# Helper function to set up OBS scripting plugin targets
function(setup_script_plugin_target target)
install(
TARGETS ${target}
LIBRARY DESTINATION ${OBS_SCRIPT_PLUGIN_DESTINATION}
COMPONENT ${target}_Runtime
NAMELINK_COMPONENT ${target}_Development)
install(
TARGETS ${target}
LIBRARY DESTINATION ${OBS_SCRIPT_PLUGIN_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
if(${target} STREQUAL "obspython")
install(
FILES "$<TARGET_FILE_DIR:${target}>/$<TARGET_FILE_BASE_NAME:${target}>.py"
DESTINATION ${OBS_SCRIPT_PLUGIN_DESTINATION}
COMPONENT ${target}_Runtime)
install(
FILES "$<TARGET_FILE_DIR:${target}>/$<TARGET_FILE_BASE_NAME:${target}>.py"
DESTINATION ${OBS_SCRIPT_PLUGIN_DESTINATION}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
endif()
set_property(GLOBAL APPEND PROPERTY OBS_SCRIPTING_MODULE_LIST "${target}")
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E env DESTDIR= "${CMAKE_COMMAND}" --install .. --config $<CONFIG> --prefix
${OBS_OUTPUT_DIR}/$<CONFIG> --component obs_${target} > "$<IF:$<PLATFORM_ID:Windows>,nul,/dev/null>"
COMMENT "Installing ${target} to OBS rundir"
VERBATIM)
obs_status(ENABLED "${target}")
endfunction()
# Helper function to set up target resources (e.g. L10N files)
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 ${target}_Runtime)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/data/
DESTINATION ${OBS_DATA_DESTINATION}/${destination}
USE_SOURCE_PERMISSIONS
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
endif()
endfunction()
# Helper function to set up specific resource files for targets
function(add_target_resource target resource destination)
install(
FILES ${resource}
DESTINATION ${OBS_DATA_DESTINATION}/${destination}
COMPONENT ${target}_Runtime)
install(
FILES ${resource}
DESTINATION ${OBS_DATA_DESTINATION}/${destination}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
endfunction()
# Helper function to set up OBS app target
function(setup_obs_app target)
setup_binary_target(${target})
get_property(OBS_MODULE_LIST GLOBAL PROPERTY OBS_MODULE_LIST)
list(LENGTH OBS_MODULE_LIST _LEN)
if(_LEN GREATER 0)
add_dependencies(${target} ${OBS_MODULE_LIST})
endif()
get_property(OBS_SCRIPTING_MODULE_LIST GLOBAL PROPERTY OBS_SCRIPTING_MODULE_LIST)
list(LENGTH OBS_SCRIPTING_MODULE_LIST _LEN)
if(_LEN GREATER 0)
add_dependencies(${target} ${OBS_SCRIPTING_MODULE_LIST})
endif()
if(TARGET OBS::browser)
setup_target_browser(${target})
endif()
if(TARGET OBS::ffmpeg-mux)
add_dependencies(${target} OBS::ffmpeg-mux)
endif()
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E env DESTDIR= "${CMAKE_COMMAND}" --install .. --config $<CONFIG> --prefix
${OBS_OUTPUT_DIR}/$<CONFIG> --component obs_rundir > "$<IF:$<PLATFORM_ID:Windows>,nul,/dev/null>"
COMMENT "Installing OBS rundir"
VERBATIM)
endfunction()
# Helper function to do additional setup for browser source plugin
function(setup_target_browser target)
install(
DIRECTORY ${CEF_ROOT_DIR}/Resources/
DESTINATION ${OBS_PLUGIN_DESTINATION}
COMPONENT ${target}_Runtime)
install(
DIRECTORY ${CEF_ROOT_DIR}/Release/
DESTINATION ${OBS_PLUGIN_DESTINATION}
COMPONENT ${target}_Runtime)
install(
DIRECTORY ${CEF_ROOT_DIR}/Resources/
DESTINATION ${OBS_OUTPUT_DIR}/$<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_rundir
EXCLUDE_FROM_ALL)
install(
DIRECTORY ${CEF_ROOT_DIR}/Release/
DESTINATION ${OBS_OUTPUT_DIR}/$<CONFIG>/${OBS_PLUGIN_DESTINATION}
COMPONENT obs_rundir
EXCLUDE_FROM_ALL)
endfunction()
# Helper function to export target to build and install tree. Allows usage of `find_package(libobs)` by other build
# trees
function(export_target target)
set(CMAKE_EXPORT_PACKAGE_REGISTRY OFF)
if(OS_LINUX OR OS_FREEBSD)
set(_EXCLUDE "")
else()
set(_EXCLUDE "EXCLUDE_FROM_ALL")
endif()
install(
TARGETS ${target}
EXPORT ${target}Targets
RUNTIME DESTINATION ${OBS_EXECUTABLE_DESTINATION}
COMPONENT obs_libraries
${_EXCLUDE}
LIBRARY DESTINATION ${OBS_LIBRARY_DESTINATION}
COMPONENT obs_libraries
${_EXCLUDE}
ARCHIVE DESTINATION ${OBS_LIBRARY_DESTINATION}
COMPONENT obs_libraries
${_EXCLUDE}
INCLUDES
DESTINATION ${OBS_INCLUDE_DESTINATION}
PUBLIC_HEADER
DESTINATION ${OBS_INCLUDE_DESTINATION}
COMPONENT obs_libraries
${_EXCLUDE})
include(GenerateExportHeader)
generate_export_header(${target} EXPORT_FILE_NAME ${CMAKE_CURRENT_BINARY_DIR}/${target}_EXPORT.h)
target_sources(${target} PRIVATE ${CMAKE_CURRENT_BINARY_DIR}/${target}_EXPORT.h)
set(TARGETS_EXPORT_NAME "${target}Targets")
include(CMakePackageConfigHelpers)
configure_package_config_file(
${CMAKE_CURRENT_SOURCE_DIR}/cmake/${target}Config.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/${target}Config.cmake
INSTALL_DESTINATION ${OBS_CMAKE_DESTINATION}/${target}
PATH_VARS OBS_PLUGIN_DESTINATION OBS_DATA_DESTINATION)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${target}ConfigVersion.cmake
VERSION ${OBS_VERSION_CANONICAL}
COMPATIBILITY SameMajorVersion)
export(
EXPORT ${target}Targets
FILE ${CMAKE_CURRENT_BINARY_DIR}/${TARGETS_EXPORT_NAME}.cmake
NAMESPACE OBS::)
export(PACKAGE "${target}")
install(
EXPORT ${TARGETS_EXPORT_NAME}
FILE ${TARGETS_EXPORT_NAME}.cmake
NAMESPACE OBS::
DESTINATION ${OBS_CMAKE_DESTINATION}/${target}
COMPONENT obs_libraries
${_EXCLUDE})
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${target}Config.cmake ${CMAKE_CURRENT_BINARY_DIR}/${target}ConfigVersion.cmake
DESTINATION ${OBS_CMAKE_DESTINATION}/${target}
COMPONENT obs_libraries
${_EXCLUDE})
endfunction()
# Helper function to define available graphics modules for targets
function(define_graphic_modules target)
foreach(_GRAPHICS_API metal d3d11 opengl d3d9)
string(TOUPPER ${_GRAPHICS_API} _GRAPHICS_API_u)
if(TARGET OBS::libobs-${_GRAPHICS_API})
if(OS_POSIX AND NOT LINUX_PORTABLE)
target_compile_definitions(${target}
PRIVATE DL_${_GRAPHICS_API_u}="$<TARGET_SONAME_FILE_NAME:libobs-${_GRAPHICS_API}>")
else()
target_compile_definitions(${target}
PRIVATE DL_${_GRAPHICS_API_u}="$<TARGET_FILE_NAME:libobs-${_GRAPHICS_API}>")
endif()
add_dependencies(${target} OBS::libobs-${_GRAPHICS_API})
else()
target_compile_definitions(${target} PRIVATE DL_${_GRAPHICS_API_u}="")
endif()
endforeach()
endfunction()
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()
obs_status(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()
obs_status(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()
# Idea adapted from: https://github.com/edsiper/cmake-options
macro(set_option option value)
set(${option}
${value}
CACHE INTERNAL "")
endmacro()
function(obs_status status text)
set(_OBS_STATUS_DISABLED "OBS: DISABLED ")
set(_OBS_STATUS_ENABLED "OBS: ENABLED ")
set(_OBS_STATUS "OBS: ")
if(status STREQUAL "DISABLED")
message(STATUS "${_OBS_STATUS_DISABLED}${text}")
elseif(status STREQUAL "ENABLED")
message(STATUS "${_OBS_STATUS_ENABLED}${text}")
else()
message(${status} "${_OBS_STATUS}${text}")
endif()
endfunction()
if(OS_WINDOWS)
include(ObsHelpers_Windows)
elseif(OS_MACOS)
include(ObsHelpers_macOS)
elseif(OS_POSIX)
include(ObsHelpers_Linux)
endif()
# ######################################################################################################################
# LEGACY FALLBACKS #
# ######################################################################################################################
# Helper function to install OBS plugin with associated resource directory
function(_install_obs_plugin_with_data target source)
setup_plugin_target(${target})
if(NOT ${source} STREQUAL "data"
AND IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/${source}"
AND NOT OS_MACOS)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${source}/
DESTINATION ${OBS_DATA_DESTINATION}/obs-plugins/${target}
USE_SOURCE_PERMISSIONS
COMPONENT ${target}_Runtime)
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${source}/
DESTINATION ${OBS_OUTPUT_DIR}/$<CONFIG>/${OBS_DATA_DESTINATION}/obs-plugins/${target}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
if(OS_WINDOWS AND DEFINED ENV{obsInstallerTempDir})
install(
DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${source}/
DESTINATION $ENV{obsInstallerTempDir}/${OBS_DATA_DESTINATION}/obs-plugins/${target}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
endif()
endif()
endfunction()
# Helper function to install OBS plugin
function(_install_obs_plugin target)
setup_plugin_target(${target})
endfunction()
# Helper function to install data for a target only
function(_install_obs_datatarget target destination)
install(
TARGETS ${target}
LIBRARY DESTINATION ${OBS_DATA_DESTINATION}/${destination}
COMPONENT ${target}_Runtime
NAMELINK_COMPONENT ${target}_Development
RUNTIME DESTINATION ${OBS_DATA_DESTINATION}/${destination} COMPONENT ${target}_Runtime)
install(
TARGETS ${target}
LIBRARY DESTINATION ${OBS_DATA_DESTINATION}/${destination}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL
RUNTIME DESTINATION ${OBS_DATA_DESTINATION}/${destination}
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
if(OS_WINDOWS)
if(MSVC)
add_target_resource(${target} "$<TARGET_PDB_FILE:${target}>" "${destination}" OPTIONAL)
endif()
if(DEFINED ENV{obsInstallerTempDir})
install(
TARGETS ${target}
RUNTIME
DESTINATION $ENV{obsInstallerTempDir}/${OBS_DATA_DESTINATION}/${destination}/$<TARGET_FILE_NAME:${target}>
COMPONENT obs_${target}
EXCLUDE_FROM_ALL
LIBRARY
DESTINATION $ENV{obsInstallerTempDir}/${OBS_DATA_DESTINATION}/${destination}/$<TARGET_FILE_NAME:${target}>
COMPONENT obs_${target}
EXCLUDE_FROM_ALL)
endif()
endif()
add_custom_command(
TARGET ${target}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E env DESTDIR= "${CMAKE_COMMAND}" --install .. --config $<CONFIG> --prefix
${OBS_OUTPUT_DIR}/$<CONFIG> --component obs_${target} > "$<IF:$<PLATFORM_ID:Windows>,nul,/dev/null>"
COMMENT "Installing ${target} to OBS rundir"
VERBATIM)
endfunction()
# legacy_check: Macro to check for CMake framework version and include legacy list file
macro(legacy_check)
if(OBS_CMAKE_VERSION VERSION_LESS 3.0.0)
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/cmake/legacy.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/legacy.cmake)
endif()
return()
endif()
endmacro()