feat: 切换后端至PaddleOCR-NCNN，切换工程为CMake
1.项目后端整体迁移至PaddleOCR-NCNN算法，已通过基本的兼容性测试 2.工程改为使用CMake组织，后续为了更好地兼容第三方库，不再提供QMake工程 3.重整权利声明文件，重整代码工程，确保最小化侵权风险 Log: 切换后端至PaddleOCR-NCNN，切换工程为CMake Change-Id: I4d5d2c5d37505a4a24b389b1a4c5d12f17bfa38c
This commit is contained in:
wangzhengyang
174
3rdparty/opencv-4.5.4/platforms/ios/cmake/Modules/Platform/iOS.cmake
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174
3rdparty/opencv-4.5.4/platforms/ios/cmake/Modules/Platform/iOS.cmake
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# This file is based off of the Platform/Darwin.cmake and Platform/UnixPaths.cmake
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# files which are included with CMake 2.8.4
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# It has been altered for iOS development
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set (UNIX 1)
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set (APPLE 1)
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set (IOS 1)
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# Darwin versions:
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# 6.x == Mac OSX 10.2
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# 7.x == Mac OSX 10.3
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# 8.x == Mac OSX 10.4
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# 9.x == Mac OSX 10.5
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# 10.x == Mac OSX 10.6 (Snow Leopard)
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string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}")
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string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}")
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# Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler.
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# Done this way because it is too early to do a TRY_COMPILE.
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if (NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
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set (HAVE_FLAG_SEARCH_PATHS_FIRST 0)
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if ("${DARWIN_MAJOR_VERSION}" GREATER 6)
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set (HAVE_FLAG_SEARCH_PATHS_FIRST 1)
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endif ("${DARWIN_MAJOR_VERSION}" GREATER 6)
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endif (NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
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# More desirable, but does not work:
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#INCLUDE(CheckCXXCompilerFlag)
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#CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST)
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set (CMAKE_SHARED_LIBRARY_PREFIX "lib")
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set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
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set (CMAKE_SHARED_MODULE_PREFIX "lib")
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set (CMAKE_SHARED_MODULE_SUFFIX ".so")
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set (CMAKE_MODULE_EXISTS 1)
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set (CMAKE_DL_LIBS "")
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set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
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set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
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set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
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set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
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# Additional flags for dynamic framework
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if (APPLE_FRAMEWORK AND BUILD_SHARED_LIBS)
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set (CMAKE_MODULE_LINKER_FLAGS "-rpath @executable_path/Frameworks -rpath @loader_path/Frameworks")
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set (CMAKE_SHARED_LINKER_FLAGS "-rpath @executable_path/Frameworks -rpath @loader_path/Frameworks")
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set (CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG 1)
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set (CMAKE_INSTALL_NAME_DIR "@rpath")
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endif()
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# Hidden visibility is required for cxx on iOS
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set (no_warn "-Wno-unused-function -Wno-overloaded-virtual")
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${no_warn}")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++ -fvisibility=hidden -fvisibility-inlines-hidden ${no_warn}")
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set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 -ffast-math")
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if(NOT IOS_ARCH STREQUAL "armv7" AND NOT IOS_ARCH STREQUAL "armv7s")
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fomit-frame-pointer")
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endif()
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if (HAVE_FLAG_SEARCH_PATHS_FIRST)
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set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
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set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
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endif (HAVE_FLAG_SEARCH_PATHS_FIRST)
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set (CMAKE_PLATFORM_HAS_INSTALLNAME 1)
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set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names")
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set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names")
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set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
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set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
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set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
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# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
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# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache
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# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
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# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex
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if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
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find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
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endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
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# Setup iOS developer location
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if (IPHONEOS)
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set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneOS.platform/Developer")
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else ()
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if (IPHONESIMULATOR)
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set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneSimulator.platform/Developer")
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endif ()
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endif ()
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# Find installed iOS SDKs
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file (GLOB _CMAKE_IOS_SDKS "${_CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
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# Find and use the most recent iOS sdk
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if (_CMAKE_IOS_SDKS)
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list (SORT _CMAKE_IOS_SDKS)
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list (REVERSE _CMAKE_IOS_SDKS)
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list (GET _CMAKE_IOS_SDKS 0 _CMAKE_IOS_SDK_ROOT)
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# Set the sysroot default to the most recent SDK
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set (CMAKE_OSX_SYSROOT ${_CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support")
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# set the architecture for iOS - this env var sets armv6,armv7 and appears to be XCode's standard. The other found is ARCHS_UNIVERSAL_IPHONE_OS but that is armv7 only
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set (CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_BIT)" CACHE string "Build architecture for iOS")
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# Set the default based on this file and not the environment variable
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set (CMAKE_FIND_ROOT_PATH ${_CMAKE_IOS_DEVELOPER_ROOT} ${_CMAKE_IOS_SDK_ROOT} CACHE string "iOS library search path root")
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# default to searching for frameworks first
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set (CMAKE_FIND_FRAMEWORK FIRST)
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# set up the default search directories for frameworks
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set (CMAKE_SYSTEM_FRAMEWORK_PATH
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${_CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks
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${_CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks
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${_CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks
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)
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endif (_CMAKE_IOS_SDKS)
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if ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
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set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")
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endif ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
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if (NOT XCODE)
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# Enable shared library versioning. This flag is not actually referenced
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# but the fact that the setting exists will cause the generators to support
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# soname computation.
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set (CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
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endif (NOT XCODE)
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# Xcode does not support -isystem yet.
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if (XCODE)
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set (CMAKE_INCLUDE_SYSTEM_FLAG_C)
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set (CMAKE_INCLUDE_SYSTEM_FLAG_CXX)
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endif (XCODE)
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# Need to list dependent shared libraries on link line. When building
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# with -isysroot (for universal binaries), the linker always looks for
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# dependent libraries under the sysroot. Listing them on the link
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# line works around the problem.
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set (CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1)
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set (CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
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set (CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
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set (CMAKE_C_CREATE_SHARED_LIBRARY
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"<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
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set (CMAKE_CXX_CREATE_SHARED_LIBRARY
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"<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
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set (CMAKE_CXX_CREATE_SHARED_MODULE
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"<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set (CMAKE_C_CREATE_SHARED_MODULE
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"<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set (CMAKE_C_CREATE_MACOSX_FRAMEWORK
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"<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
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set (CMAKE_CXX_CREATE_MACOSX_FRAMEWORK
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"<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
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# Add the install directory of the running cmake to the search directories
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# CMAKE_ROOT is CMAKE_INSTALL_PREFIX/share/cmake, so we need to go two levels up
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get_filename_component (_CMAKE_INSTALL_DIR "${CMAKE_ROOT}" PATH)
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get_filename_component (_CMAKE_INSTALL_DIR "${_CMAKE_INSTALL_DIR}" PATH)
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# List common installation prefixes. These will be used for all search types
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list (APPEND CMAKE_SYSTEM_PREFIX_PATH
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# Standard
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${_CMAKE_IOS_DEVELOPER_ROOT}/usr
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${_CMAKE_IOS_SDK_ROOT}/usr
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# CMake install location
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"${_CMAKE_INSTALL_DIR}"
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# Project install destination.
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"${CMAKE_INSTALL_PREFIX}"
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)
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