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# Standard settings 22set (CMAKE_SYSTEM_NAME Darwin) 23set (CMAKE_SYSTEM_VERSION 1) 24set (UNIX True) 25set (APPLE True) 26set (IOS True) 27 28# Required as of cmake 2.8.10 29set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE) 30 31# Determine the cmake host system version so we know where to find the iOS SDKs 32find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin) 33if (CMAKE_UNAME) 34 exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION) 35 string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}") 36endif () 37 38# Force the compilers to gcc for iOS 39include (CMakeForceCompiler) 40CMAKE_FORCE_C_COMPILER ("clang" Clang) 41CMAKE_FORCE_CXX_COMPILER ("clang++" Clang++) 42 43# Skip the platform compiler checks for cross compiling 44set (CMAKE_CXX_COMPILER_WORKS TRUE) 45set (CMAKE_C_COMPILER_WORKS TRUE) 46 47# All iOS/Darwin specific settings - some may be redundant 48set (CMAKE_SHARED_LIBRARY_PREFIX "lib") 49set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") 50set (CMAKE_SHARED_MODULE_PREFIX "lib") 51set (CMAKE_SHARED_MODULE_SUFFIX ".so") 52set (CMAKE_MODULE_EXISTS 1) 53set (CMAKE_DL_LIBS "") 54 55set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") 56set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") 57set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") 58set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") 59 60# Hidden visibilty is required for cxx on iOS 61set (CMAKE_C_FLAGS_INIT "") 62set (CMAKE_CXX_FLAGS_INIT "-headerpad_max_install_names -fvisibility=hidden -fvisibility-inlines-hidden") 63 64set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") 65set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") 66 67set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) 68set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names") 69set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names") 70set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") 71set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") 72set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") 73 74# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree 75# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache 76# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun) 77# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex 78if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 79 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) 80endif () 81 82# Setup iOS platform unless specified manually with IOS_PLATFORM 83if (NOT DEFINED IOS_PLATFORM) 84 set (IOS_PLATFORM "OS") 85endif () 86set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") 87 88# Check the platform selection and setup for developer root 89if (${IOS_PLATFORM} STREQUAL "OS") 90 set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") 91 92 # This causes the installers to properly locate the output libraries 93 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") 94elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR") 95 set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") 96 97 # This causes the installers to properly locate the output libraries 98 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") 99else () 100 message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") 101endif () 102 103# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT 104# Note Xcode 4.3 changed the installation location, choose the most recent one available 105set (XCODE_POST_43_ROOT "/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") 106set (XCODE_PRE_43_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") 107if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT) 108 if (EXISTS ${XCODE_POST_43_ROOT}) 109 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT}) 110 elseif () 111 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT}) 112 endif () 113endif () 114set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform") 115 116# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT 117if (NOT DEFINED CMAKE_IOS_SDK_ROOT) 118 file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*") 119 if (_CMAKE_IOS_SDKS) 120 list (SORT _CMAKE_IOS_SDKS) 121 list (REVERSE _CMAKE_IOS_SDKS) 122 list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT) 123 else () 124 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.") 125 endif () 126 message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}") 127endif () 128set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK") 129 130# Set the sysroot default to the most recent SDK 131set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") 132 133# set the architecture for iOS 134# NOTE: Currently both ARCHS_STANDARD_32_BIT and ARCHS_UNIVERSAL_IPHONE_OS set armv7 only, so set both manually 135if (${IOS_PLATFORM} STREQUAL "OS") 136 set (IOS_ARCH armv7) 137# set (IOS_ARCH armv6 armv7 armv7s) 138 set (DE_CPU "DE_CPU_ARM") 139else (${IOS_PLATFORM} STREQUAL "SIMULATOR") 140 set (IOS_ARCH i386) 141 set (DE_CPU "DE_CPU_X86") 142endif () 143 144set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS") 145 146# Set the find root to the iOS developer roots and to user defined paths 147set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE string "iOS find search path root") 148 149# default to searching for frameworks first 150set (CMAKE_FIND_FRAMEWORK FIRST) 151 152# set up the default search directories for frameworks 153set (CMAKE_SYSTEM_FRAMEWORK_PATH 154 ${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks 155 ${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks 156 ${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks 157) 158 159# only search the iOS sdks, not the remainder of the host filesystem 160set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) 161set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 162set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 163 164# dE Defines - DE_CPU is set earlier 165set(DE_PTR_SIZE 4) 166set(DE_OS "DE_OS_IOS") 167set(DE_COMPILER "DE_COMPILER_CLANG") 168