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
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.
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
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
22 set (CMAKE_SYSTEM_NAME Darwin)
23 set (CMAKE_SYSTEM_VERSION 1)
28 # Required as of cmake 2.8.10
29 set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE)
31 # Determine the cmake host system version so we know where to find the iOS SDKs
32 find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin)
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}")
38 # Force the compilers to gcc for iOS
39 include (CMakeForceCompiler)
40 CMAKE_FORCE_C_COMPILER ("clang" Clang)
41 CMAKE_FORCE_CXX_COMPILER ("clang++" Clang++)
43 # Skip the platform compiler checks for cross compiling
44 set (CMAKE_CXX_COMPILER_WORKS TRUE)
45 set (CMAKE_C_COMPILER_WORKS TRUE)
47 # All iOS/Darwin specific settings - some may be redundant
48 set (CMAKE_SHARED_LIBRARY_PREFIX "lib")
49 set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
50 set (CMAKE_SHARED_MODULE_PREFIX "lib")
51 set (CMAKE_SHARED_MODULE_SUFFIX ".so")
52 set (CMAKE_MODULE_EXISTS 1)
53 set (CMAKE_DL_LIBS "")
55 set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
56 set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
57 set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
58 set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
60 # Hidden visibilty is required for cxx on iOS
61 set (CMAKE_C_FLAGS_INIT "")
62 set (CMAKE_CXX_FLAGS_INIT "-headerpad_max_install_names -fvisibility=hidden -fvisibility-inlines-hidden")
64 set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
65 set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
67 set (CMAKE_PLATFORM_HAS_INSTALLNAME 1)
68 set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names")
69 set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names")
70 set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
71 set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
72 set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
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
78 if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
79 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
82 # Setup iOS platform unless specified manually with IOS_PLATFORM
83 if (NOT DEFINED IOS_PLATFORM)
84 set (IOS_PLATFORM "OS")
86 set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
88 # Check the platform selection and setup for developer root
89 if (${IOS_PLATFORM} STREQUAL "OS")
90 set (IOS_PLATFORM_LOCATION "iPhoneOS.platform")
92 # This causes the installers to properly locate the output libraries
93 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos")
94 elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR")
95 set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
97 # This causes the installers to properly locate the output libraries
98 set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
100 message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR")
103 # Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT
104 # Note Xcode 4.3 changed the installation location, choose the most recent one available
105 set (XCODE_POST_43_ROOT "/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
106 set (XCODE_PRE_43_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
107 if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
108 if (EXISTS ${XCODE_POST_43_ROOT})
109 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT})
111 set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT})
114 set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform")
116 # Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT
117 if (NOT DEFINED CMAKE_IOS_SDK_ROOT)
118 file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
120 list (SORT _CMAKE_IOS_SDKS)
121 list (REVERSE _CMAKE_IOS_SDKS)
122 list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT)
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.")
126 message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}")
128 set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK")
130 # Set the sysroot default to the most recent SDK
131 set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support")
133 # set the architecture for iOS
134 # NOTE: Currently both ARCHS_STANDARD_32_BIT and ARCHS_UNIVERSAL_IPHONE_OS set armv7 only, so set both manually
135 if (${IOS_PLATFORM} STREQUAL "OS")
137 # set (IOS_ARCH armv6 armv7 armv7s)
138 set (DE_CPU "DE_CPU_ARM")
139 else (${IOS_PLATFORM} STREQUAL "SIMULATOR")
141 set (DE_CPU "DE_CPU_X86")
144 set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string "Build architecture for iOS")
146 # Set the find root to the iOS developer roots and to user defined paths
147 set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE string "iOS find search path root")
149 # default to searching for frameworks first
150 set (CMAKE_FIND_FRAMEWORK FIRST)
152 # set up the default search directories for frameworks
153 set (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
159 # only search the iOS sdks, not the remainder of the host filesystem
160 set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
161 set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
162 set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
164 # dE Defines - DE_CPU is set earlier
166 set(DE_OS "DE_OS_IOS")
167 set(DE_COMPILER "DE_COMPILER_CLANG")