forked from minhngoc25a/freetype2
271 lines
9.0 KiB
CMake
271 lines
9.0 KiB
CMake
# iOS.cmake
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#
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# Copyright (C) 2014-2020 by
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# David Turner, Robert Wilhelm, and Werner Lemberg.
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#
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# Written by David Wimsey <david@wimsey.us>
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#
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# This file is part of the FreeType project, and may only be used, modified,
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# and distributed under the terms of the FreeType project license,
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# LICENSE.TXT. By continuing to use, modify, or distribute this file you
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# indicate that you have read the license and understand and accept it
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# fully.
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#
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#
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# This file is derived from the files `Platform/Darwin.cmake' and
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# `Platform/UnixPaths.cmake', which are part of CMake 2.8.4. It has been
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# altered for iOS development.
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# Options
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# -------
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#
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# IOS_PLATFORM = OS | SIMULATOR
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#
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# This decides whether SDKS are selected from the `iPhoneOS.platform' or
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# `iPhoneSimulator.platform' folders.
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#
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# OS - the default, used to build for iPhone and iPad physical devices,
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# which have an ARM architecture.
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# SIMULATOR - used to build for the Simulator platforms, which have an
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# x86 architecture.
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#
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# CMAKE_IOS_DEVELOPER_ROOT = /path/to/platform/Developer folder
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#
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# By default, this location is automatically chosen based on the
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# IOS_PLATFORM value above. If you manually set this variable, it
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# overrides the default location and forces the use of a particular
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# Developer Platform.
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#
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# CMAKE_IOS_SDK_ROOT = /path/to/platform/Developer/SDKs/SDK folder
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#
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# By default, this location is automatically chosen based on the
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# CMAKE_IOS_DEVELOPER_ROOT value. In this case it is always the most
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# up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path. If you
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# manually set this variable, it forces the use of a specific SDK
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# version.
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#
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#
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# Macros
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# ------
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#
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# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE)
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#
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# A convenience macro for setting Xcode specific properties on targets.
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#
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# Example:
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#
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# set_xcode_property(myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1")
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#
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# find_host_package (PROGRAM ARGS)
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#
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# A macro to find executable programs on the host system, not within the
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# iOS environment. Thanks to the `android-cmake' project for providing
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# the command.
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# standard settings
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set(CMAKE_SYSTEM_NAME Darwin)
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set(CMAKE_SYSTEM_VERSION 1)
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set(UNIX True)
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set(APPLE True)
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set(IOS True)
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# required as of cmake 2.8.10
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set(CMAKE_OSX_DEPLOYMENT_TARGET ""
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CACHE STRING "Force unset of the deployment target for iOS" FORCE
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)
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# determine the cmake host system version so we know where to find the iOS
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# SDKs
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find_program(CMAKE_UNAME uname /bin /usr/bin /usr/local/bin)
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if (CMAKE_UNAME)
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exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
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string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1"
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DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
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endif (CMAKE_UNAME)
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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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# all iOS/Darwin specific settings - some may be redundant
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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
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"-compatibility_version ")
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set(CMAKE_C_OSX_CURRENT_VERSION_FLAG
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"-current_version ")
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set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG
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"${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
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set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG
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"${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
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# hidden visibility is required for cxx on iOS
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set(CMAKE_C_FLAGS_INIT "")
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set(CMAKE_CXX_FLAGS_INIT
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"-headerpad_max_install_names -fvisibility=hidden -fvisibility-inlines-hidden")
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set(CMAKE_C_LINK_FLAGS
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"-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
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set(CMAKE_CXX_LINK_FLAGS
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"-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
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set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
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set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS
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"-dynamiclib -headerpad_max_install_names")
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set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
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"-bundle -headerpad_max_install_names")
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set(CMAKE_SHARED_MODULE_LOADER_C_FLAG
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"-Wl,-bundle_loader,")
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set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG
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"-Wl,-bundle_loader,")
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set(CMAKE_FIND_LIBRARY_SUFFIXES
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".dylib" ".so" ".a")
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# hack: If a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old
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# build tree (where `install_name_tool' was hardcoded), and where
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# CMAKE_INSTALL_NAME_TOOL isn't in the cache and still cmake didn't
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# fail in `CMakeFindBinUtils.cmake' (because it isn't rerun), hardcode
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# CMAKE_INSTALL_NAME_TOOL here to `install_name_tool' so it behaves as
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# it did before.
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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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# set up iOS platform unless specified manually with IOS_PLATFORM
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if (NOT DEFINED IOS_PLATFORM)
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set(IOS_PLATFORM "OS")
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endif (NOT DEFINED IOS_PLATFORM)
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set(IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
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# check the platform selection and setup for developer root
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if (${IOS_PLATFORM} STREQUAL "OS")
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set(IOS_PLATFORM_LOCATION "iPhoneOS.platform")
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# this causes the installers to properly locate the output libraries
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set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos")
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elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR")
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set(IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
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# this causes the installers to properly locate the output libraries
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set(CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
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else (${IOS_PLATFORM} STREQUAL "OS")
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message(FATAL_ERROR
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"Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR.")
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endif (${IOS_PLATFORM} STREQUAL "OS")
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# set up iOS developer location unless specified manually with
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# CMAKE_IOS_DEVELOPER_ROOT --
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# note that Xcode 4.3 changed the installation location; choose the most
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# recent one available
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set(XCODE_POST_43_ROOT
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"/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
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set(XCODE_PRE_43_ROOT
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"/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
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if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
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if (EXISTS ${XCODE_POST_43_ROOT})
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set(CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT})
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elseif (EXISTS ${XCODE_PRE_43_ROOT})
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set(CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT})
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endif (EXISTS ${XCODE_POST_43_ROOT})
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endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
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set(CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT}
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CACHE PATH "Location of iOS Platform"
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)
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# find and use the most recent iOS SDK unless specified manually with
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# CMAKE_IOS_SDK_ROOT
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if (NOT DEFINED CMAKE_IOS_SDK_ROOT)
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file(GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
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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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else (_CMAKE_IOS_SDKS)
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message(FATAL_ERROR
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"No iOS SDK's found in default search path ${CMAKE_IOS_DEVELOPER_ROOT}. Manually set CMAKE_IOS_SDK_ROOT or install the iOS SDK.")
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endif (_CMAKE_IOS_SDKS)
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message(STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}")
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endif (NOT DEFINED CMAKE_IOS_SDK_ROOT)
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set(CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT}
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CACHE PATH "Location of the selected iOS SDK"
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)
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# set the sysroot default to the most recent SDK
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set(CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT}
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CACHE PATH "Sysroot used for iOS support"
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)
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# set the architecture for iOS --
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# note that currently both ARCHS_STANDARD_32_BIT and
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# ARCHS_UNIVERSAL_IPHONE_OS set armv7 only, so set both manually
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if (${IOS_PLATFORM} STREQUAL "OS")
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set(IOS_ARCH $(ARCHS_STANDARD_32_64_BIT))
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else (${IOS_PLATFORM} STREQUAL "OS")
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set(IOS_ARCH i386)
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endif (${IOS_PLATFORM} STREQUAL "OS")
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set(CMAKE_OSX_ARCHITECTURES ${IOS_ARCH}
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CACHE string "Build architecture for iOS"
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)
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# set the find root to the iOS developer roots and to user defined paths
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set(CMAKE_FIND_ROOT_PATH
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${CMAKE_IOS_DEVELOPER_ROOT}
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${CMAKE_IOS_SDK_ROOT}
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${CMAKE_PREFIX_PATH}
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CACHE string "iOS find search path root"
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)
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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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# only search the iOS SDKs, not the remainder of the host filesystem
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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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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# this little macro lets you set any Xcode specific property
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macro(set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE)
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set_property(TARGET ${TARGET}
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PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY} ${XCODE_VALUE})
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endmacro(set_xcode_property)
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# this macro lets you find executable programs on the host system
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macro(find_host_package)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER)
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set(IOS FALSE)
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find_package(${ARGN})
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set(IOS TRUE)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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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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endmacro(find_host_package)
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# eof
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