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# This file is based off of the Platform/Darwin.cmake and Platform/UnixPaths.cmake
# files which are included with CMake 2.8.4
# It has been altered for iOS development
# Options:
#
# IOS_PLATFORM = OS (default) or SIMULATOR or SIMULATOR64
# This decides if SDKS will be selected from the iPhoneOS.platform or iPhoneSimulator.platform folders
# OS - the default, used to build for iPhone and iPad physical devices, which have an arm arch.
# SIMULATOR - used to build for the Simulator platforms, which have an x86 arch.
#
# IOS_ARCH = arm64 (default for OS), armv7, armv7s, i386 (default for SIMULATOR), x86_64 (default for SIMULATOR64)
#
# CMAKE_IOS_DEVELOPER_ROOT = automatic(default) or /path/to/platform/Developer folder
# By default this location is automatcially chosen based on the IOS_PLATFORM value above.
# If set manually, it will override the default location and force the user of a particular Developer Platform
#
# CMAKE_IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder
# By default this location is automatcially chosen based on the CMAKE_IOS_DEVELOPER_ROOT value.
# In this case it will always be the most up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path.
# If set manually, this will force the use of a specific SDK version
#
# IOS_DISABLE_BITCODE - set to 1 if you want to disable bitcode generation
# Standard settings
set (CMAKE_SYSTEM_NAME Darwin)
set (CMAKE_SYSTEM_VERSION 1)
set (UNIX True)
set (APPLE True)
set (IOS True)
# Required as of cmake 2.8.10
set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE)
# Determine the cmake host system version so we know where to find the iOS SDKs
find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin)
if (CMAKE_UNAME)
execute_process(COMMAND uname -r
OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
endif (CMAKE_UNAME)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
set(CMAKE_AR ar CACHE FILEPATH "" FORCE)
set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
if (NOT DEFINED IOS_DISABLE_BITCODE)
set (EMBED_OPTIONS "-fembed-bitcode")
endif(NOT DEFINED IOS_DISABLE_BITCODE)
if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR ENABLE_DEBUG)
set(IOS_DEBUG_OPTIONS "-glldb -gmodules")
else()
set(IOS_DEBUG_OPTIONS "-fvisibility=hidden -fvisibility-inlines-hidden")
endif()
set (CMAKE_C_FLAGS_INIT "${IOS_DEBUG_OPTIONS} ${EMBED_OPTIONS}")
set (CMAKE_CXX_FLAGS_INIT "${IOS_DEBUG_OPTIONS} ${EMBED_OPTIONS}")
set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${EMBED_OPTIONS} ${CMAKE_C_LINK_FLAGS}")
set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${EMBED_OPTIONS} ${CMAKE_CXX_LINK_FLAGS}")
set (CMAKE_PLATFORM_HAS_INSTALLNAME 1)
set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib")
set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle")
set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
# Specify install_name_tool and pkg-config since it outside of SDK path and therefore can't be found by CMake
if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
if (NOT DEFINED PKG_CONFIG_EXECUTABLE)
find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config)
if (DEFINED PKG_CONFIG_EXECUTABLE)
execute_process(COMMAND pkg-config --version OUTPUT_VARIABLE PKG_CONFIG_VERSION_STRING)
endif(DEFINED PKG_CONFIG_EXECUTABLE)
endif(NOT DEFINED PKG_CONFIG_EXECUTABLE)
# fffio Specify path to install shared library on device
set (CMAKE_INSTALL_NAME_DIR "@executable_path/Frameworks")
set (CMAKE_BUILD_WITH_INSTALL_NAME_DIR TRUE)
# Setup iOS platform unless specified manually with IOS_PLATFORM
if (NOT DEFINED IOS_PLATFORM)
set (IOS_PLATFORM "OS")
endif (NOT DEFINED IOS_PLATFORM)
set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
# Check the platform selection and setup for developer root
if (${IOS_PLATFORM} STREQUAL OS)
set (IOS_PLATFORM_LOCATION "iPhoneOS.platform")
# This causes the installers to properly locate the output libraries
set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos")
elseif (${IOS_PLATFORM} STREQUAL SIMULATOR)
set (SIMULATOR true)
set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
# This causes the installers to properly locate the output libraries
set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
elseif (${IOS_PLATFORM} STREQUAL SIMULATOR64)
set (SIMULATOR true)
set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
# This causes the installers to properly locate the output libraries
set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
else (${IOS_PLATFORM} STREQUAL OS)
message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR")
endif (${IOS_PLATFORM} STREQUAL OS)
# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT
if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
execute_process(COMMAND /usr/bin/xcode-select -print-path
OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR)
string(STRIP "${CMAKE_XCODE_DEVELOPER_DIR}" CMAKE_XCODE_DEVELOPER_DIR) # FIXED: remove new line character, otherwise it complain no iOS SDK's found in default search path
set (CMAKE_IOS_DEVELOPER_ROOT "${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform")
# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT
if (NOT DEFINED CMAKE_IOS_SDK_ROOT)
file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
if (_CMAKE_IOS_SDKS)
list (SORT _CMAKE_IOS_SDKS)
list (REVERSE _CMAKE_IOS_SDKS)
list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT)
else (_CMAKE_IOS_SDKS)
message (FATAL_ERROR "No iOS SDK's found in default search path ${CMAKE_IOS_DEVELOPER_ROOT}. Manually set CMAKE_IOS_SDK_ROOT or install the iOS SDK.")
endif (_CMAKE_IOS_SDKS)
message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}")
endif (NOT DEFINED CMAKE_IOS_SDK_ROOT)
set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK")
# Set the sysroot default to the most recent SDK
set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support")
# set the architecture for iOS
if (NOT DEFINED IOS_ARCH)
if (${IOS_PLATFORM} STREQUAL OS)
set (IOS_ARCH arm64)
elseif (${IOS_PLATFORM} STREQUAL SIMULATOR)
set (IOS_ARCH i386)
elseif (${IOS_PLATFORM} STREQUAL SIMULATOR64)
set (IOS_ARCH x86_64)
endif (${IOS_PLATFORM} STREQUAL OS)
endif(NOT DEFINED IOS_ARCH)
set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE STRING "Build architecture for iOS")
# Set the find root to the iOS developer roots and to user defined paths
set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE STRING "iOS find search path root")
# default to searching for frameworks first
set (CMAKE_FIND_FRAMEWORK FIRST)
# set up the default search directories for frameworks
set (CMAKE_SYSTEM_FRAMEWORK_PATH
${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks
${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks
${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks
)
# only search the iOS sdks, not the remainder of the host filesystem (except for programs, so that we can still find Python if needed)
set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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