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https://github.com/opencv/opencv.git
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cmake: customize OpenCV build via CMake script hooks
This commit is contained in:
Alexander Alekhin
parent
cff79609c8
commit
36f11a54e1
@ -105,6 +105,16 @@ if(POLICY CMP0067)
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endif()
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include(cmake/OpenCVUtils.cmake)
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ocv_cmake_reset_hooks()
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ocv_check_environment_variables(OPENCV_CMAKE_HOOKS_DIR)
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if(DEFINED OPENCV_CMAKE_HOOKS_DIR)
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foreach(__dir ${OPENCV_CMAKE_HOOKS_DIR})
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get_filename_component(__dir "${__dir}" ABSOLUTE)
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ocv_cmake_hook_register_dir(${__dir})
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endforeach()
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endif()
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ocv_cmake_hook(CMAKE_INIT)
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# must go before the project command
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ocv_update(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Configs" FORCE)
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@ -141,6 +151,7 @@ endif()
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# ----------------------------------------------------------------------------
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OCV_OPTION(ENABLE_CXX11 "Enable C++11 compilation mode" "${OPENCV_CXX11}")
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include(cmake/OpenCVDetectCXXCompiler.cmake)
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ocv_cmake_hook(POST_DETECT_COMPILER)
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# Add these standard paths to the search paths for FIND_LIBRARY
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# to find libraries from these locations first
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@ -336,6 +347,7 @@ endif()
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# ----------------------------------------------------------------------------
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include(cmake/OpenCVVersion.cmake)
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ocv_cmake_hook(POST_OPTIONS)
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# ----------------------------------------------------------------------------
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# Build & install layouts
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@ -531,6 +543,8 @@ if(CMAKE_GENERATOR MATCHES "Makefiles|Ninja" AND "${CMAKE_BUILD_TYPE}" STREQUAL
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set(CMAKE_BUILD_TYPE Release)
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endif()
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ocv_cmake_hook(POST_CMAKE_BUILD_OPTIONS)
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# --- Python Support ---
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if(NOT IOS)
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include(cmake/OpenCVDetectPython.cmake)
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@ -538,6 +552,8 @@ endif()
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include(cmake/OpenCVCompilerOptions.cmake)
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ocv_cmake_hook(POST_COMPILER_OPTIONS)
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# ----------------------------------------------------------------------------
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# CHECK FOR SYSTEM LIBRARIES, OPTIONS, ETC..
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# ----------------------------------------------------------------------------
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@ -767,6 +783,7 @@ if(CV_TRACE)
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include(cmake/OpenCVDetectTrace.cmake)
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endif()
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ocv_cmake_hook(POST_DETECT_DEPENDECIES)
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# ----------------------------------------------------------------------------
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# Solution folders:
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@ -816,6 +833,8 @@ endif()
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# Finalization: generate configuration-based files
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# ----------------------------------------------------------------------------
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ocv_cmake_hook(PRE_FINALIZE)
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# Generate platform-dependent and configuration-dependent headers
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include(cmake/OpenCVGenHeaders.cmake)
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@ -1459,6 +1478,8 @@ status("")
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ocv_finalize_status()
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ocv_cmake_hook(POST_FINALIZE)
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# ----------------------------------------------------------------------------
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# CPack stuff
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# ----------------------------------------------------------------------------
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@ -59,6 +59,7 @@ else()
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set(USE_IPPIW FALSE)
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endif()
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ocv_cmake_hook(PRE_CMAKE_CONFIG_BUILD)
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configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig.cmake" @ONLY)
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#support for version checking when finding opencv. find_package(OpenCV 2.3.1 EXACT) should now work.
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configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${CMAKE_BINARY_DIR}/OpenCVConfig-version.cmake" @ONLY)
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@ -84,6 +85,7 @@ function(ocv_gen_config TMP_DIR NESTED_PATH ROOT_NAME)
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file(RELATIVE_PATH OpenCV_INSTALL_PATH_RELATIVE_CONFIGCMAKE "${CMAKE_INSTALL_PREFIX}/${__install_nested}" "${CMAKE_INSTALL_PREFIX}/")
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ocv_cmake_hook(PRE_CMAKE_CONFIG_INSTALL)
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configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig-version.cmake.in" "${TMP_DIR}/OpenCVConfig-version.cmake" @ONLY)
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configure_file("${OpenCV_SOURCE_DIR}/cmake/templates/OpenCVConfig.cmake.in" "${__tmp_nested}/OpenCVConfig.cmake" @ONLY)
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@ -163,16 +163,20 @@ macro(ocv_add_module _name)
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set(OPENCV_MODULE_${the_module}_LINK_DEPS "" CACHE INTERNAL "")
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set(ADD_MODULE_ARGN ${ARGN})
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ocv_cmake_hook(PRE_ADD_MODULE)
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ocv_cmake_hook(PRE_ADD_MODULE_${the_module})
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# parse list of dependencies
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if(" ${ARGV1}" STREQUAL " INTERNAL" OR " ${ARGV1}" STREQUAL " BINDINGS")
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set(OPENCV_MODULE_${the_module}_CLASS "${ARGV1}" CACHE INTERNAL "The category of the module")
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set(__ocv_argn__ ${ARGN})
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set(__ocv_argn__ ${ADD_MODULE_ARGN})
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list(REMOVE_AT __ocv_argn__ 0)
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ocv_add_dependencies(${the_module} ${__ocv_argn__})
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unset(__ocv_argn__)
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else()
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set(OPENCV_MODULE_${the_module}_CLASS "PUBLIC" CACHE INTERNAL "The category of the module")
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ocv_add_dependencies(${the_module} ${ARGN})
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ocv_add_dependencies(${the_module} ${ADD_MODULE_ARGN})
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if(BUILD_${the_module})
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set(OPENCV_MODULES_PUBLIC ${OPENCV_MODULES_PUBLIC} "${the_module}" CACHE INTERNAL "List of OpenCV modules marked for export")
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endif()
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@ -212,6 +216,8 @@ macro(ocv_add_module _name)
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endforeach()
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# stop processing of current file
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ocv_cmake_hook(POST_ADD_MODULE)
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ocv_cmake_hook(POST_ADD_MODULE_${the_module})
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return()
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else()
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set(OPENCV_MODULE_${the_module}_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}" CACHE INTERNAL "")
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@ -256,7 +262,8 @@ endmacro()
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# otherwise all first-level subfolders containing CMakeLists.txt are accepted.
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# Usage: _glob_locations(<output paths list> <output names list> <folder> [<folder> ...])
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function(_glob_locations out_paths out_names)
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foreach(path ${ARGN})
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set(PATHS ${ARGN})
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foreach(path ${PATHS})
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#message(STATUS "Inspect: ${path}")
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list(LENGTH paths before)
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get_filename_component(path "${path}" ABSOLUTE)
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@ -313,6 +320,7 @@ endfunction()
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function(_add_modules_2)
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foreach(m ${ARGN})
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set(the_module "${m}")
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ocv_cmake_hook(PRE_MODULES_CREATE_${the_module})
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if(BUILD_opencv_world AND m STREQUAL "opencv_world"
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OR NOT BUILD_opencv_world
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OR NOT OPENCV_MODULE_${m}_IS_PART_OF_WORLD)
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@ -323,6 +331,7 @@ function(_add_modules_2)
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#message(STATUS "Second pass: ${name} => ${OPENCV_MODULE_${m}_LOCATION}")
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add_subdirectory("${OPENCV_MODULE_${m}_LOCATION}" "${CMAKE_CURRENT_BINARY_DIR}/${name}")
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endif()
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ocv_cmake_hook(POST_MODULES_CREATE_${the_module})
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endforeach()
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endfunction()
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@ -348,6 +357,7 @@ endfunction()
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# NB: must be called only once!
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# Usage: ocv_glob_modules(<main location> [<extra location> ...])
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macro(ocv_glob_modules main_root)
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ocv_cmake_hook(INIT_MODULES_GLOB)
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if(DEFINED OPENCV_INITIAL_PASS)
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message(FATAL_ERROR "OpenCV has already loaded its modules. Calling ocv_glob_modules second time is not allowed.")
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endif()
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@ -359,10 +369,13 @@ macro(ocv_glob_modules main_root)
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_assert_uniqueness("Duplicated modules LOCATIONS has been found" ${__main_paths} ${__extra_paths})
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_assert_uniqueness("Duplicated modules NAMES has been found" ${__main_names} ${__extra_names})
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set(OPENCV_PROCESSING_EXTRA_MODULES 0)
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ocv_cmake_hook(PRE_MODULES_SCAN)
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_add_modules_1(__main_paths __main_names)
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set(OPENCV_PROCESSING_EXTRA_MODULES 1)
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ocv_cmake_hook(PRE_MODULES_SCAN_EXTRA)
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_add_modules_1(__extra_paths __extra_names)
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ocv_clear_vars(__main_names __extra_names __main_paths __extra_paths)
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ocv_cmake_hook(POST_MODULES_SCAN)
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# resolve dependencies
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__ocv_resolve_dependencies()
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@ -370,7 +383,9 @@ macro(ocv_glob_modules main_root)
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# create modules
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set(OPENCV_INITIAL_PASS OFF PARENT_SCOPE)
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set(OPENCV_INITIAL_PASS OFF)
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ocv_cmake_hook(PRE_MODULES_CREATE)
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_add_modules_2(${OPENCV_MODULES_BUILD})
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ocv_cmake_hook(POST_MODULES_CREATE)
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endmacro()
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@ -719,6 +734,10 @@ macro(ocv_set_module_sources)
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list(APPEND OPENCV_MODULE_${the_module}_SOURCES ${OPENCV_MODULE_${the_module}_SOURCES_DISPATCHED})
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endif()
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# TODO Update hooks above
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ocv_cmake_hook(INIT_MODULE_SOURCES)
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ocv_cmake_hook(INIT_MODULE_SOURCES_${the_module})
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# use full paths for module to be independent from the module location
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ocv_convert_to_full_paths(OPENCV_MODULE_${the_module}_HEADERS)
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@ -885,6 +904,8 @@ macro(_ocv_create_module)
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source_group("Include" FILES "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp")
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source_group("Src" FILES "${${the_module}_pch}")
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ocv_cmake_hook(PRE_CREATE_MODULE_LIBRARY)
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ocv_cmake_hook(PRE_CREATE_MODULE_LIBRARY_${the_module})
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ocv_add_library(${the_module} ${OPENCV_MODULE_TYPE} ${OPENCV_MODULE_${the_module}_HEADERS} ${OPENCV_MODULE_${the_module}_SOURCES}
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"${OPENCV_CONFIG_FILE_INCLUDE_DIR}/cvconfig.h" "${OPENCV_CONFIG_FILE_INCLUDE_DIR}/opencv2/opencv_modules.hpp"
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${${the_module}_pch}
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@ -967,6 +988,8 @@ macro(_ocv_create_module)
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endif()
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# only "public" headers need to be installed
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ocv_cmake_hook(PRE_INSTALL_MODULE_HEADERS)
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ocv_cmake_hook(PRE_INSTALL_MODULE_HEADERS_${the_module})
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if(OPENCV_MODULE_${the_module}_HEADERS AND ";${OPENCV_MODULES_PUBLIC};" MATCHES ";${the_module};")
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foreach(hdr ${OPENCV_MODULE_${the_module}_HEADERS})
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string(REGEX REPLACE "^.*opencv2/" "opencv2/" hdr2 "${hdr}")
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@ -977,6 +1000,9 @@ macro(_ocv_create_module)
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endif()
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_ocv_add_precompiled_headers(${the_module})
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ocv_cmake_hook(POST_CREATE_MODULE_LIBRARY)
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ocv_cmake_hook(POST_CREATE_MODULE_LIBRARY_${the_module})
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endmacro()
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# opencv precompiled headers macro (can add pch to modules and tests)
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@ -1,4 +1,9 @@
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if(EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake")
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ocv_cmake_hook(INIT_CPACK)
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if(NOT EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake")
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message(STATUS "CPack is not found. SKIP")
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return()
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endif()
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set(CPACK_set_DESTDIR "on")
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if(NOT OPENCV_CUSTOM_PACKAGE_INFO)
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@ -165,6 +170,6 @@ if(NOT OPENCV_CUSTOM_PACKAGE_INFO)
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set(CPACK_DEBIAN_COMPONENT_TESTS_NAME "lib${CMAKE_PROJECT_NAME}-tests")
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endif(NOT OPENCV_CUSTOM_PACKAGE_INFO)
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ocv_cmake_hook(PRE_CPACK)
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include(CPack)
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ENDif(EXISTS "${CMAKE_ROOT}/Modules/CPack.cmake")
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ocv_cmake_hook(POST_CPACK)
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@ -21,6 +21,52 @@ function(ocv_cmake_dump_vars)
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endif()
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endfunction()
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#
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# CMake script hooks support
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#
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option(OPENCV_DUMP_HOOKS_FLOW "Dump called OpenCV hooks" OFF)
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macro(ocv_cmake_hook_append hook_name)
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set(__var_name "__OPENCV_CMAKE_HOOKS_${hook_name}")
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set(__value "${${__var_name}}")
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message(STATUS "Registering hook '${hook_name}': ${ARGN}")
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list(APPEND __value ${ARGN})
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set(${__var_name} "${__value}" CACHE INTERNAL "")
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endmacro()
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macro(ocv_cmake_hook hook_name)
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set(__var_name "__OPENCV_CMAKE_HOOKS_${hook_name}")
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if(OPENCV_DUMP_HOOKS_FLOW)
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message(STATUS "Hook ${hook_name} ...")
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endif()
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foreach(__hook ${${__var_name}})
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#message(STATUS "Hook ${hook_name}: calling '${__hook}' ...")
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if(COMMAND "${__hook}")
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message(FATAL_ERROR "Indirect calling of CMake commands is not supported yet")
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else()
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include("${__hook}")
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endif()
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endforeach()
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endmacro()
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macro(ocv_cmake_reset_hooks)
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get_cmake_property(__variableNames VARIABLES)
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foreach(__variableName ${__variableNames})
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if(__variableName MATCHES "^__OPENCV_CMAKE_HOOKS_")
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unset(${__variableName})
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unset(${__variableName} CACHE)
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endif()
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endforeach()
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endmacro()
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macro(ocv_cmake_hook_register_dir dir)
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file(GLOB hook_files RELATIVE "${dir}" "${dir}/*.cmake")
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foreach(f ${hook_files})
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if(f MATCHES "^(.+)\\.cmake$")
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set(hook_name "${CMAKE_MATCH_1}")
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ocv_cmake_hook_append(${hook_name} "${dir}/${f}")
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endif()
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endforeach()
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endmacro()
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function(ocv_cmake_eval var_name)
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if(DEFINED ${var_name})
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file(WRITE "${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake" ${${var_name}})
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