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
13 # 10.x == Mac OSX 10.6 (Snow Leopard)
14 string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}")
15 string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}")
17 # Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler.
18 # Done this way because it is too early to do a TRY_COMPILE.
19 if (NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
20 set (HAVE_FLAG_SEARCH_PATHS_FIRST 0)
21 if ("${DARWIN_MAJOR_VERSION}" GREATER 6)
22 set (HAVE_FLAG_SEARCH_PATHS_FIRST 1)
23 endif ("${DARWIN_MAJOR_VERSION}" GREATER 6)
24 endif (NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
25 # More desirable, but does not work:
26 #INCLUDE(CheckCXXCompilerFlag)
27 #CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST)
29 set (CMAKE_SHARED_LIBRARY_PREFIX "lib")
30 set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
31 set (CMAKE_SHARED_MODULE_PREFIX "lib")
32 set (CMAKE_SHARED_MODULE_SUFFIX ".so")
33 set (CMAKE_MODULE_EXISTS 1)
34 set (CMAKE_DL_LIBS "")
36 set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
37 set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
38 set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
39 set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
41 # Hidden visibilty is required for cxx on iOS
42 set (CMAKE_C_FLAGS "")
43 set (CMAKE_CXX_FLAGS "-stdlib=libc++ -headerpad_max_install_names -fvisibility=hidden -fvisibility-inlines-hidden")
45 set (CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 -fomit-frame-pointer -ffast-math")
47 if (HAVE_FLAG_SEARCH_PATHS_FIRST)
48 set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
49 set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
50 endif (HAVE_FLAG_SEARCH_PATHS_FIRST)
52 set (CMAKE_PLATFORM_HAS_INSTALLNAME 1)
53 set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names")
54 set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names")
55 set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
56 set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
57 set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
59 # hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
60 # (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache
61 # and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
62 # hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex
63 if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
64 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
65 endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
67 # Setup iOS developer location
69 set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneOS.platform/Developer")
72 set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneSimulator.platform/Developer")
75 # Find installed iOS SDKs
76 file (GLOB _CMAKE_IOS_SDKS "${_CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
78 # Find and use the most recent iOS sdk
80 list (SORT _CMAKE_IOS_SDKS)
81 list (REVERSE _CMAKE_IOS_SDKS)
82 list (GET _CMAKE_IOS_SDKS 0 _CMAKE_IOS_SDK_ROOT)
84 # Set the sysroot default to the most recent SDK
85 set (CMAKE_OSX_SYSROOT ${_CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support")
87 # set the architecture for iOS - this env var sets armv6,armv7 and appears to be XCode's standard. The other found is ARCHS_UNIVERSAL_IPHONE_OS but that is armv7 only
88 set (CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_BIT)" CACHE string "Build architecture for iOS")
90 # Set the default based on this file and not the environment variable
91 set (CMAKE_FIND_ROOT_PATH ${_CMAKE_IOS_DEVELOPER_ROOT} ${_CMAKE_IOS_SDK_ROOT} CACHE string "iOS library search path root")
93 # default to searching for frameworks first
94 set (CMAKE_FIND_FRAMEWORK FIRST)
96 # set up the default search directories for frameworks
97 set (CMAKE_SYSTEM_FRAMEWORK_PATH
98 ${_CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks
99 ${_CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks
100 ${_CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks
102 endif (_CMAKE_IOS_SDKS)
104 if ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
105 set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")
106 endif ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
109 # Enable shared library versioning. This flag is not actually referenced
110 # but the fact that the setting exists will cause the generators to support
111 # soname computation.
112 set (CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
115 # Xcode does not support -isystem yet.
117 set (CMAKE_INCLUDE_SYSTEM_FLAG_C)
118 set (CMAKE_INCLUDE_SYSTEM_FLAG_CXX)
121 # Need to list dependent shared libraries on link line. When building
122 # with -isysroot (for universal binaries), the linker always looks for
123 # dependent libraries under the sysroot. Listing them on the link
124 # line works around the problem.
125 set (CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1)
127 set (CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
128 set (CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
130 set (CMAKE_C_CREATE_SHARED_LIBRARY
131 "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
132 set (CMAKE_CXX_CREATE_SHARED_LIBRARY
133 "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
135 set (CMAKE_CXX_CREATE_SHARED_MODULE
136 "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
138 set (CMAKE_C_CREATE_SHARED_MODULE
139 "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
141 set (CMAKE_C_CREATE_MACOSX_FRAMEWORK
142 "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
143 set (CMAKE_CXX_CREATE_MACOSX_FRAMEWORK
144 "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> -install_name <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
147 # Add the install directory of the running cmake to the search directories
148 # CMAKE_ROOT is CMAKE_INSTALL_PREFIX/share/cmake, so we need to go two levels up
149 get_filename_component (_CMAKE_INSTALL_DIR "${CMAKE_ROOT}" PATH)
150 get_filename_component (_CMAKE_INSTALL_DIR "${_CMAKE_INSTALL_DIR}" PATH)
152 # List common installation prefixes. These will be used for all search types
153 list (APPEND CMAKE_SYSTEM_PREFIX_PATH
155 ${_CMAKE_IOS_DEVELOPER_ROOT}/usr
156 ${_CMAKE_IOS_SDK_ROOT}/usr
158 # CMake install location
159 "${_CMAKE_INSTALL_DIR}"
161 # Project install destination.
162 "${CMAKE_INSTALL_PREFIX}"