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 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# CMAKE_IOS_DEVELOPER_ROOT = automatic(default) or /path/to/platform/Developer folder 13# By default this location is automatcially chosen based on the IOS_PLATFORM value above. 14# If set manually, it will override the default location and force the user of a particular Developer Platform 15# 16# CMAKE_IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder 17# By default this location is automatcially chosen based on the CMAKE_IOS_DEVELOPER_ROOT value. 18# In this case it will always be the most up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path. 19# If set manually, this will force the use of a specific SDK version 20 21# Macros: 22# 23# set_xcode_property (TARGET XCODE_PROPERTY XCODE_VALUE) 24# A convenience macro for setting xcode specific properties on targets 25# example: set_xcode_property (myioslib IPHONEOS_DEPLOYMENT_TARGET "3.1") 26# 27# find_host_package (PROGRAM ARGS) 28# A macro used to find executable programs on the host system, not within the iOS environment. 29# Thanks to the android-cmake project for providing the command 30 31# Standard settings 32set (CMAKE_SYSTEM_NAME Darwin) 33set (CMAKE_SYSTEM_VERSION 1) 34set (UNIX True) 35set (APPLE True) 36set (IOS True) 37 38# Required as of cmake 2.8.10 39set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) 40 41# Determine the cmake host system version so we know where to find the iOS SDKs 42find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin) 43if (CMAKE_UNAME) 44 exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION) 45 string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") 46endif (CMAKE_UNAME) 47 48# Force the compilers to clang for iOS 49include (CMakeForceCompiler) 50CMAKE_FORCE_C_COMPILER (/usr/bin/clang Apple) 51CMAKE_FORCE_CXX_COMPILER (/usr/bin/clang++ Apple) 52set(CMAKE_AR ar CACHE FILEPATH "" FORCE) 53 54# Skip the platform compiler checks for cross compiling 55set (CMAKE_CXX_COMPILER_WORKS TRUE) 56set (CMAKE_C_COMPILER_WORKS TRUE) 57 58# All iOS/Darwin specific settings - some may be redundant 59set (CMAKE_SHARED_LIBRARY_PREFIX "lib") 60set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") 61set (CMAKE_SHARED_MODULE_PREFIX "lib") 62set (CMAKE_SHARED_MODULE_SUFFIX ".so") 63set (CMAKE_MODULE_EXISTS 1) 64set (CMAKE_DL_LIBS "") 65 66set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") 67set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") 68set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") 69set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") 70 71# Hidden visibilty is required for cxx on iOS 72set (CMAKE_C_FLAGS_INIT "") 73set (CMAKE_CXX_FLAGS_INIT "-fvisibility=hidden -fvisibility-inlines-hidden -isysroot ${CMAKE_OSX_SYSROOT}") 74 75set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") 76set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") 77 78set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) 79set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names") 80set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names") 81set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") 82set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") 83set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") 84 85# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree 86# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache 87# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun) 88# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex 89if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 90 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) 91endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 92 93# Setup iOS platform unless specified manually with IOS_PLATFORM 94if (NOT DEFINED IOS_PLATFORM) 95 set (IOS_PLATFORM "OS") 96endif (NOT DEFINED IOS_PLATFORM) 97set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") 98 99# Check the platform selection and setup for developer root 100if (${IOS_PLATFORM} STREQUAL "OS") 101 set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") 102 103 # This causes the installers to properly locate the output libraries 104 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") 105elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") 106 set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") 107 108 # This causes the installers to properly locate the output libraries 109 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") 110else (${IOS_PLATFORM} STREQUAL "OS") 111 message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") 112endif (${IOS_PLATFORM} STREQUAL "OS") 113 114# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT 115# Note Xcode 4.3 changed the installation location, choose the most recent one available 116set (XCODE_POST_43_ROOT "/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") 117set (XCODE_PRE_43_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") 118if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) 119 if (EXISTS ${XCODE_POST_43_ROOT}) 120 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT}) 121 elseif(EXISTS ${XCODE_PRE_43_ROOT}) 122 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT}) 123 endif (EXISTS ${XCODE_POST_43_ROOT}) 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 ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") 143 144# set the architecture for iOS 145# NOTE: Currently both ARCHS_STANDARD_32_BIT and ARCHS_UNIVERSAL_IPHONE_OS set armv7 only, so set both manually 146if (${IOS_PLATFORM} STREQUAL "OS") 147 set (IOS_ARCH armv6 armv7) 148else (${IOS_PLATFORM} STREQUAL "OS") 149 set (IOS_ARCH i386) 150endif (${IOS_PLATFORM} STREQUAL "OS") 151 152set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS") 153 154# Set the find root to the iOS developer roots and to user defined paths 155set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE string "iOS find search path root") 156 157# default to searching for frameworks first 158set (CMAKE_FIND_FRAMEWORK FIRST) 159 160# set up the default search directories for frameworks 161set (CMAKE_SYSTEM_FRAMEWORK_PATH 162 ${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks 163 ${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks 164 ${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks 165) 166 167# only search the iOS sdks, not the remainder of the host filesystem 168set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) 169set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 170set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 171 172 173# This little macro lets you set any XCode specific property 174macro (set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE) 175 set_property (TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY} ${XCODE_VALUE}) 176endmacro (set_xcode_property) 177 178 179# This macro lets you find executable programs on the host system 180macro (find_host_package) 181 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) 182 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER) 183 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER) 184 set (IOS FALSE) 185 186 find_package(${ARGN}) 187 188 set (IOS TRUE) 189 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) 190 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 191 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 192endmacro (find_host_package) 193 194