modified highgui and ts modules and cmakelists for ios cross-compiling, added ios toolchains, added ios build tutorial
Artem Myagkov
14 years ago
parent
e268e0704d
commit
8c6782300a
21 changed files with 1743 additions and 25 deletions
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.. _iOS-Installation: |
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Installation in iOS |
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*********************** |
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Required packages |
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================== |
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* GCC 4.x or later |
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* CMake 2.6 or higher |
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* Xcode 4.0 or higher |
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Getting the cutting-edge OpenCV from SourceForge SVN repository |
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----------------------------------------------------------------- |
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Launch SVN client and checkout either |
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a. the current OpenCV snapshot from here: https://code.ros.org/svn/opencv/trunk |
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#. or the latest tested OpenCV snapshot from here: http://code.ros.org/svn/opencv/tags/latest_tested_snapshot |
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In MacOS it can be done using the following command in Terminal: |
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.. code-block:: bash |
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cd ~/<my_working _directory> |
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svn co https://code.ros.org/svn/opencv/trunk |
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Building OpenCV from source using CMake, using the command line |
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================================================================ |
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#. Create a temporary directory, which we denote as <cmake_binary_dir>, where you want to put the generated Makefiles, project files as well the object filees and output binaries |
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#. Enter the <cmake_binary_dir> and type |
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.. code-block:: bash |
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cmake [<some optional parameters>] <path to the OpenCV source directory> |
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For example |
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.. code-block:: bash |
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cd ~/opencv |
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cd .. |
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mkdir release |
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cd release |
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cmake -GXcode -DCMAKE_TOOLCHAIN_FILE=../opencv/ios/cmake/Toolchains/Toolchain-iPhoneOS_Xcode.cmake -DCMAKE_INSTALL_PREFIX=../OpenCV_iPhoneOS -DCMAKE_BUILD_TYPE=RELEASE ../opencv |
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#. Enter the created temporary directory (<cmake_binary_dir>) and proceed with: |
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.. code-block:: bash |
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xcodebuild -sdk iphoneos -configuration Release -target ALL_BUILD |
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xcodebuild -sdk iphoneos -configuration Release -target install install |
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After Width: | Height: | Size: 6.8 KiB |
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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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# Hidden visibilty is required for cxx on iOS |
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set (CMAKE_C_FLAGS "") |
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set (CMAKE_CXX_FLAGS "-headerpad_max_install_names -fvisibility=hidden -fvisibility-inlines-hidden") |
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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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message (STATUS "Setting up iPhoneOS toolchain") |
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set (IPHONEOS TRUE) |
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# Standard settings |
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set (CMAKE_SYSTEM_NAME iOS) |
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# Include extra modules for the iOS platform files |
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set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/ios/cmake/Modules") |
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# Force the compilers to gcc for iOS |
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include (CMakeForceCompiler) |
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CMAKE_FORCE_C_COMPILER (gcc gcc) |
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CMAKE_FORCE_CXX_COMPILER (g++ g++) |
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# Skip the platform compiler checks for cross compiling |
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set (CMAKE_CXX_COMPILER_WORKS TRUE) |
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set (CMAKE_C_COMPILER_WORKS TRUE) |
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# Search for programs in the build host directories |
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SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) |
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# for libraries and headers in the target directories |
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SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
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SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
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message (STATUS "iPhoneOS toolchain loaded") |
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message (STATUS "Setting up iPhoneOS toolchain") |
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set (IPHONESIMULATOR TRUE) |
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# Standard settings |
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set (CMAKE_SYSTEM_NAME iOS) |
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# Include extra modules for the iOS platform files |
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set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/ios/cmake/Modules") |
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# Force the compilers to gcc for iOS |
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include (CMakeForceCompiler) |
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CMAKE_FORCE_C_COMPILER (gcc gcc) |
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CMAKE_FORCE_CXX_COMPILER (g++ g++) |
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# Skip the platform compiler checks for cross compiling |
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set (CMAKE_CXX_COMPILER_WORKS TRUE) |
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set (CMAKE_C_COMPILER_WORKS TRUE) |
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# Search for programs in the build host directories |
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SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) |
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# for libraries and headers in the target directories |
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SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
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SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
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message (STATUS "iPhoneOS toolchain loaded") |
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cmake -GXcode -DCMAKE_TOOLCHAIN_FILE=../opencv/ios/cmake/Toolchains/Toolchain-iPhoneOS_Xcode.cmake -DCMAKE_INSTALL_PREFIX=../OpenCV_iPhoneOS ../opencv |
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cmake -GXcode -DCMAKE_TOOLCHAIN_FILE=../opencv/ios/cmake/Toolchains/Toolchain-iPhoneSimulator_Xcode.cmake -DCMAKE_INSTALL_PREFIX=../OpenCV_iPhoneSimulator ../opencv |
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Assuming that your build directory is on the same level that opencv source, |
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From the build directory run |
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../opencv/ios/configure-device_xcode.sh |
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or |
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../opencv/ios/configure-simulator_xcode.sh |
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Then from the same folder invoke |
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xcodebuild -sdk iphoneos -configuration Release -target ALL_BUILD |
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xcodebuild -sdk iphoneos -configuration Release -target install install |
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or |
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xcodebuild -sdk iphonesimulator -configuration Release -target ALL_BUILD |
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xcodebuild -sdk iphonesimulator -configuration Release -target install install |
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