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# Common build dependencies module
include_guard(GLOBAL)
# _check_deps_version: Checks for obs-deps VERSION file in prefix paths
function(_check_deps_version version)
set(found FALSE)
foreach(path IN LISTS CMAKE_PREFIX_PATH)
if(EXISTS "${path}/share/obs-deps/VERSION")
if(dependency STREQUAL qt6 AND NOT EXISTS "${path}/lib/cmake/Qt6/Qt6Config.cmake")
set(found FALSE)
continue()
endif()
file(READ "${path}/share/obs-deps/VERSION" _check_version)
string(REPLACE "\n" "" _check_version "${_check_version}")
string(REPLACE "-" "." _check_version "${_check_version}")
string(REPLACE "-" "." version "${version}")
if(_check_version VERSION_EQUAL version)
set(found TRUE)
break()
elseif(_check_version VERSION_LESS version)
message(
AUTHOR_WARNING
"Older ${label} version detected in ${path}: \n"
"Found ${_check_version}, require ${version}"
)
list(REMOVE_ITEM CMAKE_PREFIX_PATH "${path}")
list(APPEND CMAKE_PREFIX_PATH "${path}")
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH})
continue()
else()
message(
AUTHOR_WARNING
"Newer ${label} version detected in ${path}: \n"
"Found ${_check_version}, require ${version}"
)
set(found TRUE)
break()
endif()
endif()
endforeach()
return(PROPAGATE found CMAKE_PREFIX_PATH)
endfunction()
# _setup_obs_studio: Create obs-studio build project, then build libobs and obs-frontend-api
function(_setup_obs_studio)
if(NOT libobs_DIR)
set(_is_fresh --fresh)
endif()
if(OS_WINDOWS)
set(_cmake_generator "${CMAKE_GENERATOR}")
set(_cmake_arch "-A ${arch},version=${CMAKE_VS_WINDOWS_TARGET_PLATFORM_VERSION}")
set(_cmake_extra "-DCMAKE_SYSTEM_VERSION=${CMAKE_SYSTEM_VERSION} -DCMAKE_ENABLE_SCRIPTING=OFF")
elseif(OS_MACOS)
set(_cmake_generator "Xcode")
set(_cmake_arch "-DCMAKE_OSX_ARCHITECTURES:STRING='arm64;x86_64'")
set(_cmake_extra "-DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET}")
endif()
message(STATUS "Configure ${label} (${arch})")
execute_process(
COMMAND
"${CMAKE_COMMAND}" -S "${dependencies_dir}/${_obs_destination}" -B
"${dependencies_dir}/${_obs_destination}/build_${arch}" -G ${_cmake_generator} "${_cmake_arch}"
-DOBS_CMAKE_VERSION:STRING=3.0.0 -DENABLE_PLUGINS:BOOL=OFF -DENABLE_FRONTEND:BOOL=OFF
-DOBS_VERSION_OVERRIDE:STRING=${_obs_version} "-DCMAKE_PREFIX_PATH='${CMAKE_PREFIX_PATH}'" ${_is_fresh}
${_cmake_extra}
RESULT_VARIABLE _process_result
COMMAND_ERROR_IS_FATAL ANY
OUTPUT_QUIET
)
message(STATUS "Configure ${label} (${arch}) - done")
message(STATUS "Build ${label} (Debug - ${arch})")
execute_process(
COMMAND "${CMAKE_COMMAND}" --build build_${arch} --target obs-frontend-api --config Debug --parallel
WORKING_DIRECTORY "${dependencies_dir}/${_obs_destination}"
RESULT_VARIABLE _process_result
COMMAND_ERROR_IS_FATAL ANY
OUTPUT_QUIET
)
message(STATUS "Build ${label} (Debug - ${arch}) - done")
message(STATUS "Build ${label} (Release - ${arch})")
execute_process(
COMMAND "${CMAKE_COMMAND}" --build build_${arch} --target obs-frontend-api --config Release --parallel
WORKING_DIRECTORY "${dependencies_dir}/${_obs_destination}"
RESULT_VARIABLE _process_result
COMMAND_ERROR_IS_FATAL ANY
OUTPUT_QUIET
)
message(STATUS "Build ${label} (Reelase - ${arch}) - done")
message(STATUS "Install ${label} (${arch})")
execute_process(
COMMAND
"${CMAKE_COMMAND}" --install build_${arch} --component Development --config Debug --prefix "${dependencies_dir}"
WORKING_DIRECTORY "${dependencies_dir}/${_obs_destination}"
RESULT_VARIABLE _process_result
COMMAND_ERROR_IS_FATAL ANY
OUTPUT_QUIET
)
execute_process(
COMMAND
"${CMAKE_COMMAND}" --install build_${arch} --component Development --config Release --prefix "${dependencies_dir}"
WORKING_DIRECTORY "${dependencies_dir}/${_obs_destination}"
RESULT_VARIABLE _process_result
COMMAND_ERROR_IS_FATAL ANY
OUTPUT_QUIET
)
message(STATUS "Install ${label} (${arch}) - done")
endfunction()
# _check_dependencies: Fetch and extract pre-built OBS build dependencies
function(_check_dependencies)
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/buildspec.json" buildspec)
string(JSON dependency_data GET ${buildspec} dependencies)
foreach(dependency IN LISTS dependencies_list)
string(JSON data GET ${dependency_data} ${dependency})
string(JSON version GET ${data} version)
string(JSON hash GET ${data} hashes ${platform})
string(JSON url GET ${data} baseUrl)
string(JSON label GET ${data} label)
string(JSON revision ERROR_VARIABLE error GET ${data} revision ${platform})
message(STATUS "Setting up ${label} (${arch})")
set(file "${${dependency}_filename}")
set(destination "${${dependency}_destination}")
string(REPLACE "VERSION" "${version}" file "${file}")
string(REPLACE "VERSION" "${version}" destination "${destination}")
string(REPLACE "ARCH" "${arch}" file "${file}")
string(REPLACE "ARCH" "${arch}" destination "${destination}")
if(revision)
string(REPLACE "_REVISION" "_v${revision}" file "${file}")
string(REPLACE "-REVISION" "-v${revision}" file "${file}")
else()
string(REPLACE "_REVISION" "" file "${file}")
string(REPLACE "-REVISION" "" file "${file}")
endif()
if(EXISTS "${dependencies_dir}/.dependency_${dependency}_${arch}.sha256")
file(
READ
"${dependencies_dir}/.dependency_${dependency}_${arch}.sha256"
OBS_DEPENDENCY_${dependency}_${arch}_HASH
)
endif()
set(skip FALSE)
if(dependency STREQUAL prebuilt OR dependency STREQUAL qt6)
if(OBS_DEPENDENCY_${dependency}_${arch}_HASH STREQUAL ${hash})
_check_deps_version(${version})
if(found)
set(skip TRUE)
endif()
endif()
endif()
if(skip)
message(STATUS "Setting up ${label} (${arch}) - skipped")
continue()
endif()
if(dependency STREQUAL obs-studio)
set(url ${url}/${file})
else()
set(url ${url}/${version}/${file})
endif()
if(NOT EXISTS "${dependencies_dir}/${file}")
message(STATUS "Downloading ${url}")
file(DOWNLOAD "${url}" "${dependencies_dir}/${file}" STATUS download_status EXPECTED_HASH SHA256=${hash})
list(GET download_status 0 error_code)
list(GET download_status 1 error_message)
if(error_code GREATER 0)
message(STATUS "Downloading ${url} - Failure")
message(FATAL_ERROR "Unable to download ${url}, failed with error: ${error_message}")
file(REMOVE "${dependencies_dir}/${file}")
else()
message(STATUS "Downloading ${url} - done")
endif()
endif()
if(NOT OBS_DEPENDENCY_${dependency}_${arch}_HASH STREQUAL ${hash})
file(REMOVE_RECURSE "${dependencies_dir}/${destination}")
endif()
if(NOT EXISTS "${dependencies_dir}/${destination}")
file(MAKE_DIRECTORY "${dependencies_dir}/${destination}")
if(dependency STREQUAL obs-studio)
file(ARCHIVE_EXTRACT INPUT "${dependencies_dir}/${file}" DESTINATION "${dependencies_dir}")
else()
file(ARCHIVE_EXTRACT INPUT "${dependencies_dir}/${file}" DESTINATION "${dependencies_dir}/${destination}")
endif()
endif()
file(WRITE "${dependencies_dir}/.dependency_${dependency}_${arch}.sha256" "${hash}")
if(dependency STREQUAL prebuilt)
list(APPEND CMAKE_PREFIX_PATH "${dependencies_dir}/${destination}")
elseif(dependency STREQUAL qt6)
list(APPEND CMAKE_PREFIX_PATH "${dependencies_dir}/${destination}")
elseif(dependency STREQUAL obs-studio)
set(_obs_version ${version})
set(_obs_destination "${destination}")
list(APPEND CMAKE_PREFIX_PATH "${dependencies_dir}")
endif()
message(STATUS "Setting up ${label} (${arch}) - done")
endforeach()
list(REMOVE_DUPLICATES CMAKE_PREFIX_PATH)
set(CMAKE_PREFIX_PATH ${CMAKE_PREFIX_PATH} CACHE PATH "CMake prefix search path" FORCE)
_setup_obs_studio()
endfunction()
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