1# This file is based off of the Platform/Darwin.cmake and Platform/UnixPaths.cmake 2# files which are included with CMake 2.8.4 3# It has been altered for iOS development 4 5# Options: 6# 7# IOS_PLATFORM = OS (default) or SIMULATOR or SIMULATOR64 8# This decides if SDKS will be selected from the iPhoneOS.platform or iPhoneSimulator.platform folders 9# OS - the default, used to build for iPhone and iPad physical devices, which have an arm arch. 10# SIMULATOR - used to build for the Simulator platforms, which have an x86 arch. 11# 12# IOS_ARCH = arm64 (default for OS), armv7, armv7s, i386 (default for SIMULATOR), x86_64 (default for SIMULATOR64) 13# 14# CMAKE_IOS_DEVELOPER_ROOT = automatic(default) or /path/to/platform/Developer folder 15# By default this location is automatcially chosen based on the IOS_PLATFORM value above. 16# If set manually, it will override the default location and force the user of a particular Developer Platform 17# 18# CMAKE_IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder 19# By default this location is automatcially chosen based on the CMAKE_IOS_DEVELOPER_ROOT value. 20# In this case it will always be the most up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path. 21# If set manually, this will force the use of a specific SDK version 22# 23# IOS_DISABLE_BITCODE - set to 1 if you want to disable bitcode generation 24 25# Standard settings 26set (CMAKE_SYSTEM_NAME Darwin) 27set (CMAKE_SYSTEM_VERSION 1) 28set (UNIX True) 29set (APPLE True) 30set (IOS True) 31 32# Required as of cmake 2.8.10 33set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) 34 35# Determine the cmake host system version so we know where to find the iOS SDKs 36find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin) 37if (CMAKE_UNAME) 38 exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION) 39 string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") 40endif (CMAKE_UNAME) 41 42 43set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY) 44set(CMAKE_AR ar CACHE FILEPATH "" FORCE) 45 46set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") 47set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") 48set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") 49set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") 50 51if (NOT DEFINED IOS_DISABLE_BITCODE) 52 set (EMBED_OPTIONS "-fembed-bitcode") 53endif(NOT DEFINED IOS_DISABLE_BITCODE) 54 55if (CMAKE_BUILD_TYPE STREQUAL "Debug" OR ENABLE_DEBUG) 56 set(IOS_DEBUG_OPTIONS "-glldb -gmodules") 57else() 58 set(IOS_DEBUG_OPTIONS "-fvisibility=hidden -fvisibility-inlines-hidden") 59endif() 60 61set (CMAKE_C_FLAGS_INIT "${IOS_DEBUG_OPTIONS} ${EMBED_OPTIONS}") 62set (CMAKE_CXX_FLAGS_INIT "${IOS_DEBUG_OPTIONS} ${EMBED_OPTIONS}") 63 64set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${EMBED_OPTIONS} ${CMAKE_C_LINK_FLAGS}") 65set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${EMBED_OPTIONS} ${CMAKE_CXX_LINK_FLAGS}") 66 67 68set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) 69set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib") 70set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle") 71set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") 72set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") 73set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") 74 75# Specify install_name_tool and pkg-config since it outside of SDK path and therefore can't be found by CMake 76if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 77 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) 78endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 79 80if (NOT DEFINED PKG_CONFIG_EXECUTABLE) 81 find_program(PKG_CONFIG_EXECUTABLE NAMES pkg-config) 82 if (DEFINED PKG_CONFIG_EXECUTABLE) 83 execute_process(COMMAND pkg-config --version OUTPUT_VARIABLE PKG_CONFIG_VERSION_STRING) 84 endif(DEFINED PKG_CONFIG_EXECUTABLE) 85endif(NOT DEFINED PKG_CONFIG_EXECUTABLE) 86 87 88# fffio Specify path to install shared library on device 89set (CMAKE_INSTALL_NAME_DIR "@executable_path/Frameworks") 90set (CMAKE_BUILD_WITH_INSTALL_NAME_DIR TRUE) 91 92# Setup iOS platform unless specified manually with IOS_PLATFORM 93if (NOT DEFINED IOS_PLATFORM) 94 set (IOS_PLATFORM "OS") 95endif (NOT DEFINED IOS_PLATFORM) 96set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") 97 98# Check the platform selection and setup for developer root 99if (${IOS_PLATFORM} STREQUAL OS) 100 set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") 101 102 # This causes the installers to properly locate the output libraries 103 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") 104elseif (${IOS_PLATFORM} STREQUAL SIMULATOR) 105 set (SIMULATOR true) 106 set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") 107 108 # This causes the installers to properly locate the output libraries 109 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") 110elseif (${IOS_PLATFORM} STREQUAL SIMULATOR64) 111 set (SIMULATOR true) 112 set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") 113 114 # This causes the installers to properly locate the output libraries 115 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") 116else (${IOS_PLATFORM} STREQUAL OS) 117 message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") 118endif (${IOS_PLATFORM} STREQUAL OS) 119 120# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT 121if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) 122 exec_program(/usr/bin/xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR) 123 set (CMAKE_IOS_DEVELOPER_ROOT "${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/${IOS_PLATFORM_LOCATION}/Developer") 124endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) 125set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform") 126 127# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT 128if (NOT DEFINED CMAKE_IOS_SDK_ROOT) 129 file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*") 130 if (_CMAKE_IOS_SDKS) 131 list (SORT _CMAKE_IOS_SDKS) 132 list (REVERSE _CMAKE_IOS_SDKS) 133 list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT) 134 else (_CMAKE_IOS_SDKS) 135 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.") 136 endif (_CMAKE_IOS_SDKS) 137 message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}") 138endif (NOT DEFINED CMAKE_IOS_SDK_ROOT) 139set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK") 140 141# Set the sysroot default to the most recent SDK 142set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") 143 144# set the architecture for iOS 145if (NOT DEFINED IOS_ARCH) 146 if (${IOS_PLATFORM} STREQUAL OS) 147 set (IOS_ARCH arm64) 148 elseif (${IOS_PLATFORM} STREQUAL SIMULATOR) 149 set (IOS_ARCH i386) 150 elseif (${IOS_PLATFORM} STREQUAL SIMULATOR64) 151 set (IOS_ARCH x86_64) 152 endif (${IOS_PLATFORM} STREQUAL OS) 153endif(NOT DEFINED IOS_ARCH) 154set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE STRING "Build architecture for iOS") 155 156# Set the find root to the iOS developer roots and to user defined paths 157set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE STRING "iOS find search path root") 158 159# default to searching for frameworks first 160set (CMAKE_FIND_FRAMEWORK FIRST) 161 162# set up the default search directories for frameworks 163set (CMAKE_SYSTEM_FRAMEWORK_PATH 164 ${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks 165 ${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks 166 ${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks 167) 168 169# only search the iOS sdks, not the remainder of the host filesystem 170set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) 171set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 172set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 173 174