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 set (UNIX 1) 5 set (APPLE 1) 6 set (IOS 1) 7 8 # Darwin versions: 9 # 6.x == Mac OSX 10.2 10 # 7.x == Mac OSX 10.3 11 # 8.x == Mac OSX 10.4 12 # 9.x == Mac OSX 10.5 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}") 16 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) 28 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 "") 35 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}") 40 41 # Hidden visibilty is required for cxx on iOS 42 set (no_warn "-Wno-unused-function -Wno-overloaded-virtual") 43 set (CMAKE_C_FLAGS "${no_warn}") 44 set (CMAKE_CXX_FLAGS "-stdlib=libc++ -fvisibility=hidden -fvisibility-inlines-hidden ${no_warn}") 45 46 set (CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG -O3 -fomit-frame-pointer -ffast-math") 47 48 if (HAVE_FLAG_SEARCH_PATHS_FIRST) 49 set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") 50 set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") 51 endif (HAVE_FLAG_SEARCH_PATHS_FIRST) 52 53 set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) 54 set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names") 55 set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names") 56 set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") 57 set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") 58 set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") 59 60 # hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree 61 # (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache 62 # and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun) 63 # hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex 64 if (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 65 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) 66 endif (NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 67 68 # Setup iOS developer location 69 if (IPHONEOS) 70 set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneOS.platform/Developer") 71 else () 72 if (IPHONESIMULATOR) 73 set (_CMAKE_IOS_DEVELOPER_ROOT "/Developer/Platforms/iPhoneSimulator.platform/Developer") 74 endif () 75 endif () 76 # Find installed iOS SDKs 77 file (GLOB _CMAKE_IOS_SDKS "${_CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*") 78 79 # Find and use the most recent iOS sdk 80 if (_CMAKE_IOS_SDKS) 81 list (SORT _CMAKE_IOS_SDKS) 82 list (REVERSE _CMAKE_IOS_SDKS) 83 list (GET _CMAKE_IOS_SDKS 0 _CMAKE_IOS_SDK_ROOT) 84 85 # Set the sysroot default to the most recent SDK 86 set (CMAKE_OSX_SYSROOT ${_CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") 87 88 # set the architecture for iOS - this env var sets armv6,armv7 and appears to be XCode's standard. The other found is ARCHS_UNIVERSAL_IPHONE_OS but that is armv7 only 89 set (CMAKE_OSX_ARCHITECTURES "$(ARCHS_STANDARD_32_BIT)" CACHE string "Build architecture for iOS") 90 91 # Set the default based on this file and not the environment variable 92 set (CMAKE_FIND_ROOT_PATH ${_CMAKE_IOS_DEVELOPER_ROOT} ${_CMAKE_IOS_SDK_ROOT} CACHE string "iOS library search path root") 93 94 # default to searching for frameworks first 95 set (CMAKE_FIND_FRAMEWORK FIRST) 96 97 # set up the default search directories for frameworks 98 set (CMAKE_SYSTEM_FRAMEWORK_PATH 99 ${_CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks 100 ${_CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks 101 ${_CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks 102 ) 103 endif (_CMAKE_IOS_SDKS) 104 105 if ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$") 106 set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress") 107 endif ("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$") 108 109 if (NOT XCODE) 110 # Enable shared library versioning. This flag is not actually referenced 111 # but the fact that the setting exists will cause the generators to support 112 # soname computation. 113 set (CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name") 114 endif (NOT XCODE) 115 116 # Xcode does not support -isystem yet. 117 if (XCODE) 118 set (CMAKE_INCLUDE_SYSTEM_FLAG_C) 119 set (CMAKE_INCLUDE_SYSTEM_FLAG_CXX) 120 endif (XCODE) 121 122 # Need to list dependent shared libraries on link line. When building 123 # with -isysroot (for universal binaries), the linker always looks for 124 # dependent libraries under the sysroot. Listing them on the link 125 # line works around the problem. 126 set (CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1) 127 128 set (CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) 129 set (CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) 130 131 set (CMAKE_C_CREATE_SHARED_LIBRARY 132 "<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>") 133 set (CMAKE_CXX_CREATE_SHARED_LIBRARY 134 "<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>") 135 136 set (CMAKE_CXX_CREATE_SHARED_MODULE 137 "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") 138 139 set (CMAKE_C_CREATE_SHARED_MODULE 140 "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") 141 142 set (CMAKE_C_CREATE_MACOSX_FRAMEWORK 143 "<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>") 144 set (CMAKE_CXX_CREATE_MACOSX_FRAMEWORK 145 "<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>") 146 147 148 # Add the install directory of the running cmake to the search directories 149 # CMAKE_ROOT is CMAKE_INSTALL_PREFIX/share/cmake, so we need to go two levels up 150 get_filename_component (_CMAKE_INSTALL_DIR "${CMAKE_ROOT}" PATH) 151 get_filename_component (_CMAKE_INSTALL_DIR "${_CMAKE_INSTALL_DIR}" PATH) 152 153 # List common installation prefixes. These will be used for all search types 154 list (APPEND CMAKE_SYSTEM_PREFIX_PATH 155 # Standard 156 ${_CMAKE_IOS_DEVELOPER_ROOT}/usr 157 ${_CMAKE_IOS_SDK_ROOT}/usr 158 159 # CMake install location 160 "${_CMAKE_INSTALL_DIR}" 161 162 # Project install destination. 163 "${CMAKE_INSTALL_PREFIX}" 164 ) 165