Open Source Computer Vision Library https://opencv.org/
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set(MODULE_NAME "objc")
set(OPENCV_MODULE_IS_PART_OF_WORLD FALSE)
ocv_add_module(${MODULE_NAME} INTERNAL opencv_core opencv_imgproc)
set(OPENCV_OBJC_SIGNATURES_FILE "${CMAKE_CURRENT_BINARY_DIR}/opencv_objc_signatures.json" CACHE INTERNAL "")
set(OPENCV_OBJC_BINDINGS_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE INTERNAL "")
file(REMOVE_RECURSE "${OPENCV_OBJC_BINDINGS_DIR}/gen")
file(REMOVE "${OPENCV_DEPHELPER}/gen_opencv_objc_source") # force re-run after CMake
# This file is included from a subdirectory
set(OBJC_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
include(${OBJC_SOURCE_DIR}/common.cmake)
# common files
file(GLOB_RECURSE deps "${CMAKE_CURRENT_SOURCE_DIR}/templates/*")
set(__modules_config "") # list of OpenCV modules
foreach(m ${OPENCV_OBJC_MODULES})
set(module_objc_dir "${OPENCV_MODULE_${m}_LOCATION}/misc/objc")
list(APPEND deps ${OPENCV_MODULE_${m}_HEADERS})
file(GLOB_RECURSE misc_files "${module_objc_dir}/*")
list(APPEND deps ${misc_files})
string(REGEX REPLACE "^opencv_" "" m_ "${m}")
if(__modules_config)
set(__modules_config "${__modules_config},\n")
endif()
file(RELATIVE_PATH rel_path "${OpenCV_SOURCE_DIR}" "${OPENCV_MODULE_${m}_LOCATION}")
set(__modules_config "${__modules_config} { \"name\": \"${m_}\", \"location\": \"${rel_path}\" }")
endforeach(m)
set(CONFIG_FILE "${CMAKE_CURRENT_BINARY_DIR}/gen_objc.json")
set(__config_str
"{
\"rootdir\": \"${OpenCV_SOURCE_DIR}\",
\"modules\": [
${__modules_config}
]
}
")
if(EXISTS "${CONFIG_FILE}")
file(READ "${CONFIG_FILE}" __content)
else()
set(__content "")
endif()
if(NOT "${__content}" STREQUAL "${__config_str}")
file(WRITE "${CONFIG_FILE}" "${__config_str}")
file(REMOVE "${OPENCV_DEPHELPER}/gen_opencv_objc_source")
endif()
unset(__config_str)
set(objc_generated_files
# "${OPENCV_OBJC_SIGNATURES_FILE}"
"${OPENCV_DEPHELPER}/gen_opencv_objc_source"
)
string(REPLACE "opencv_" "" MODULES "${OPENCV_OBJC_MODULES}")
if(IOS)
set(TARGET "ios")
else()
set(TARGET "osx")
endif()
add_custom_command(
OUTPUT ${objc_generated_files}
COMMAND ${PYTHON_DEFAULT_EXECUTABLE} "${OBJC_SOURCE_DIR}/generator/gen_objc.py" -p "${OBJC_SOURCE_DIR}/../python/src2/gen2.py" -c "${CONFIG_FILE}" -t "${TARGET}" -f "${FRAMEWORK_NAME}"
COMMAND ${CMAKE_COMMAND} -E touch "${OPENCV_DEPHELPER}/gen_opencv_objc_source"
WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
DEPENDS "${OBJC_SOURCE_DIR}/generator/gen_objc.py"
"${OBJC_SOURCE_DIR}/../python/src2/gen2.py"
"${OBJC_SOURCE_DIR}/../python/src2/hdr_parser.py"
# don't, result of file(WRITE): "${CMAKE_CURRENT_BINARY_DIR}/gen_objc.json"
${deps}
# not allowed (file(WRITE) result): "${CONFIG_FILE}"
COMMENT "Generate files for Objective-C bindings"
)
add_custom_target(gen_opencv_objc_source ALL DEPENDS ${objc_generated_files}
SOURCES "${OBJC_SOURCE_DIR}/generator/gen_objc.py"
"${OBJC_SOURCE_DIR}/generator/templates/cmakelists.template"
"${CMAKE_CURRENT_BINARY_DIR}/gen_objc.json"
)