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| 1 | +set (CMAKE_SYSTEM_NAME Darwin) |
| 2 | +set (CMAKE_SYSTEM_VERSION 1) |
| 3 | +set (UNIX True) |
| 4 | +set (APPLE True) |
| 5 | +set (IOS True) |
| 6 | + |
| 7 | +# Force the compilers to Clang for iOS |
| 8 | +include (CMakeForceCompiler) |
| 9 | +set (CMAKE_C_COMPILER /usr/bin/clang Clang) |
| 10 | +set (CMAKE_CXX_COMPILER /usr/bin/clang++ Clang) |
| 11 | +set (CMAKE_AR ar CACHE FILEPATH "" FORCE) |
| 12 | + |
| 13 | +# Skip the platform compiler checks for cross compiling |
| 14 | +set (CMAKE_CXX_COMPILER_WORKS TRUE) |
| 15 | +set (CMAKE_C_COMPILER_WORKS TRUE) |
| 16 | + |
| 17 | +# All iOS/Darwin specific settings - some may be redundant |
| 18 | +set (CMAKE_SHARED_LIBRARY_PREFIX "lib") |
| 19 | +set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") |
| 20 | +set (CMAKE_SHARED_MODULE_PREFIX "lib") |
| 21 | +set (CMAKE_SHARED_MODULE_SUFFIX ".so") |
| 22 | +set (CMAKE_MODULE_EXISTS 1) |
| 23 | +set (CMAKE_DL_LIBS "") |
| 24 | + |
| 25 | +set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") |
| 26 | +set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") |
| 27 | +set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") |
| 28 | +set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") |
| 29 | + |
| 30 | +set (CMAKE_C_FLAGS_INIT "") |
| 31 | +set (CMAKE_CXX_FLAGS_INIT "") |
| 32 | + |
| 33 | +set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") |
| 34 | +set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") |
| 35 | + |
| 36 | +set (CMAKE_PLATFORM_HAS_INSTALLNAME 1) |
| 37 | +set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names") |
| 38 | +set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names") |
| 39 | +set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") |
| 40 | +set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") |
| 41 | +set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") |
| 42 | + |
| 43 | +find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) |
| 44 | + |
| 45 | +# Setup iOS platform unless specified manually with IOS_PLATFORM |
| 46 | +if (NOT DEFINED IOS_PLATFORM) |
| 47 | + set (IOS_PLATFORM "OS") |
| 48 | +endif() |
| 49 | +set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform") |
| 50 | + |
| 51 | +# Check the platform selection and setup for developer root |
| 52 | +if (IOS_PLATFORM STREQUAL "OS") |
| 53 | + set (IOS_PLATFORM_LOCATION "iPhoneOS.platform") |
| 54 | + |
| 55 | + # This causes the installers to properly locate the output libraries |
| 56 | + set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos") |
| 57 | +elseif (IOS_PLATFORM STREQUAL "SIMULATOR") |
| 58 | + set (SIMULATOR true) |
| 59 | + set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform") |
| 60 | + # This causes the installers to properly locate the output libraries |
| 61 | + set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator") |
| 62 | +else () |
| 63 | + message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR") |
| 64 | +endif () |
| 65 | + |
| 66 | +set (CMAKE_IOS_DEVELOPER_ROOT "/Applications/Xcode.app/Contents/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer") |
| 67 | + |
| 68 | +# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT |
| 69 | +if (NOT DEFINED CMAKE_IOS_SDK_ROOT) |
| 70 | + file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*") |
| 71 | + if (_CMAKE_IOS_SDKS) |
| 72 | + list (SORT _CMAKE_IOS_SDKS) |
| 73 | + list (REVERSE _CMAKE_IOS_SDKS) |
| 74 | + list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT) |
| 75 | + else (_CMAKE_IOS_SDKS) |
| 76 | + 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.") |
| 77 | + endif (_CMAKE_IOS_SDKS) |
| 78 | + message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}") |
| 79 | +endif (NOT DEFINED CMAKE_IOS_SDK_ROOT) |
| 80 | +set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK") |
| 81 | + |
| 82 | +# Set the sysroot default to the most recent SDK |
| 83 | +set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support") |
| 84 | + |
| 85 | +# set the architecture for iOS |
| 86 | +if (IOS_PLATFORM STREQUAL "OS") |
| 87 | + set (IOS_ARCH arm64) |
| 88 | +elseif (IOS_PLATFORM STREQUAL "SIMULATOR") |
| 89 | + set (IOS_ARCH "${CMAKE_HOST_SYSTEM_PROCESSOR}") |
| 90 | +endif () |
| 91 | + |
| 92 | +set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE STRING "Build architecture for iOS") |
| 93 | + |
| 94 | +# Set the find root to the iOS developer roots and to user defined paths |
| 95 | +set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE STRING "iOS find search path root") |
| 96 | + |
| 97 | +# default to searching for frameworks first |
| 98 | +set (CMAKE_FIND_FRAMEWORK FIRST) |
| 99 | + |
| 100 | +# set up the default search directories for frameworks |
| 101 | +set (CMAKE_SYSTEM_FRAMEWORK_PATH |
| 102 | + ${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks |
| 103 | + ${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks |
| 104 | + ${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks |
| 105 | +) |
| 106 | + |
| 107 | +# only search the iOS sdks, not the remainder of the host filesystem |
| 108 | +set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) |
| 109 | +set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
| 110 | +set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
| 111 | + |
| 112 | +# This little macro lets you set any XCode specific property |
| 113 | +macro (set_xcode_property TARGET XCODE_PROPERTY XCODE_VALUE) |
| 114 | + set_property (TARGET ${TARGET} PROPERTY XCODE_ATTRIBUTE_${XCODE_PROPERTY} ${XCODE_VALUE}) |
| 115 | +endmacro (set_xcode_property) |
| 116 | + |
| 117 | +# This macro lets you find executable programs on the host system |
| 118 | +macro (find_host_package) |
| 119 | + set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER) |
| 120 | + set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY NEVER) |
| 121 | + set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE NEVER) |
| 122 | + set (IOS FALSE) |
| 123 | + |
| 124 | + find_package(${ARGN}) |
| 125 | + |
| 126 | + set (IOS TRUE) |
| 127 | + set (CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY) |
| 128 | + set (CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) |
| 129 | + set (CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) |
| 130 | +endmacro (find_host_package) |
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