1set(APPLE 1) 2 3if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "tvOS" OR CMAKE_SYSTEM_NAME STREQUAL "watchOS") 4 if(NOT DEFINED CMAKE_MACOSX_BUNDLE) 5 set(CMAKE_MACOSX_BUNDLE ON) 6 endif() 7 8 list(APPEND CMAKE_FIND_ROOT_PATH "${_CMAKE_OSX_SYSROOT_PATH}") 9 if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_LIBRARY) 10 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY) 11 endif() 12 if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_INCLUDE) 13 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY) 14 endif() 15 if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_PACKAGE) 16 set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY) 17 endif() 18endif() 19 20# Darwin versions: 21# 6.x == Mac OSX 10.2 (Jaguar) 22# 7.x == Mac OSX 10.3 (Panther) 23# 8.x == Mac OSX 10.4 (Tiger) 24# 9.x == Mac OSX 10.5 (Leopard) 25# 10.x == Mac OSX 10.6 (Snow Leopard) 26# 11.x == Mac OSX 10.7 (Lion) 27# 12.x == Mac OSX 10.8 (Mountain Lion) 28string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}") 29string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}") 30 31# Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler. 32# Done this way because it is too early to do a TRY_COMPILE. 33if(NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST) 34 set(HAVE_FLAG_SEARCH_PATHS_FIRST 0) 35 if("${DARWIN_MAJOR_VERSION}" GREATER 6) 36 set(HAVE_FLAG_SEARCH_PATHS_FIRST 1) 37 endif() 38endif() 39# More desirable, but does not work: 40 #include(CheckCXXCompilerFlag) 41 #CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST) 42 43set(CMAKE_SHARED_LIBRARY_PREFIX "lib") 44set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") 45set(CMAKE_EXTRA_SHARED_LIBRARY_SUFFIXES ".tbd" ".so") 46set(CMAKE_SHARED_MODULE_PREFIX "lib") 47set(CMAKE_SHARED_MODULE_SUFFIX ".so") 48set(CMAKE_MODULE_EXISTS 1) 49set(CMAKE_DL_LIBS "") 50if(NOT "${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") 51 set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") 52endif() 53 54foreach(lang C CXX OBJC OBJCXX) 55 set(CMAKE_${lang}_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") 56 set(CMAKE_${lang}_OSX_CURRENT_VERSION_FLAG "-current_version ") 57 set(CMAKE_${lang}_LINK_FLAGS "-Wl,-headerpad_max_install_names") 58 59 if(HAVE_FLAG_SEARCH_PATHS_FIRST) 60 set(CMAKE_${lang}_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_${lang}_LINK_FLAGS}") 61 endif() 62 63 set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names") 64 set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names") 65 set(CMAKE_SHARED_MODULE_LOADER_${lang}_FLAG "-Wl,-bundle_loader,") 66endforeach() 67 68set(CMAKE_PLATFORM_HAS_INSTALLNAME 1) 69set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a") 70 71# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree 72# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache 73# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun) 74# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex 75if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL) 76 find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) 77 mark_as_advanced(CMAKE_INSTALL_NAME_TOOL) 78endif() 79 80# Enable shared library versioning. 81set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name") 82 83if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") 84 # Need to list dependent shared libraries on link line. When building 85 # with -isysroot (for universal binaries), the linker always looks for 86 # dependent libraries under the sysroot. Listing them on the link 87 # line works around the problem. 88 set(CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1) 89endif() 90 91foreach(lang C CXX Fortran OBJC OBJCXX) 92 # Xcode does not support -isystem yet. 93 if(XCODE) 94 set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang}) 95 endif() 96 97 set(CMAKE_${lang}_CREATE_SHARED_LIBRARY 98 "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") 99 100 set(CMAKE_${lang}_CREATE_SHARED_MODULE 101 "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") 102 103 set(CMAKE_${lang}_CREATE_MACOSX_FRAMEWORK 104 "<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") 105 106 # Set default framework search path flag for languages known to use a 107 # preprocessor that may find headers in frameworks. 108 set(CMAKE_${lang}_FRAMEWORK_SEARCH_FLAG -F) 109endforeach() 110 111# default to searching for frameworks first 112if(NOT DEFINED CMAKE_FIND_FRAMEWORK) 113 set(CMAKE_FIND_FRAMEWORK FIRST) 114endif() 115 116# Older OS X linkers do not report their framework search path 117# with -v but "man ld" documents the following locations. 118set(CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES 119 ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks 120 ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks 121 ) 122if(_CMAKE_OSX_SYSROOT_PATH) 123 # Treat some paths as implicit so we do not override the SDK versions. 124 list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES 125 /System/Library/Frameworks) 126endif() 127if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") 128 # Older OS X tools had more implicit paths. 129 list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES 130 ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks) 131endif() 132 133# set up the default search directories for frameworks 134set(CMAKE_SYSTEM_FRAMEWORK_PATH 135 ~/Library/Frameworks 136 ) 137if(_CMAKE_OSX_SYSROOT_PATH) 138 list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH 139 ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks 140 ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks 141 ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks 142 ) 143 # add platform developer framework path if exists 144 foreach(_path 145 # Xcode 6 146 ${_CMAKE_OSX_SYSROOT_PATH}/../../Library/Frameworks 147 # Xcode 5 iOS 148 ${_CMAKE_OSX_SYSROOT_PATH}/Developer/Library/Frameworks 149 # Xcode 5 OSX 150 ${_CMAKE_OSX_SYSROOT_PATH}/../../../../../Library/Frameworks 151 ) 152 get_filename_component(_abolute_path "${_path}" ABSOLUTE) 153 if(EXISTS "${_abolute_path}") 154 list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH "${_abolute_path}") 155 break() 156 endif() 157 endforeach() 158 159 if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib) 160 list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib) 161 endif() 162 if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib) 163 list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib) 164 endif() 165endif() 166if (OSX_DEVELOPER_ROOT AND EXISTS "${OSX_DEVELOPER_ROOT}/Library/Frameworks") 167 list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH 168 ${OSX_DEVELOPER_ROOT}/Library/Frameworks) 169endif() 170list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH 171 /Library/Frameworks 172 /Network/Library/Frameworks 173 /System/Library/Frameworks) 174 175# Warn about known system mis-configuration case. 176if(CMAKE_OSX_SYSROOT) 177 get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE) 178 if(NOT _IN_TC AND 179 NOT IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks" 180 AND IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks/Frameworks") 181 message(WARNING "The SDK Library/Frameworks path\n" 182 " ${CMAKE_OSX_SYSROOT}/Library/Frameworks\n" 183 "is not set up correctly on this system. " 184 "This is known to occur when installing Xcode 3.2.6:\n" 185 " http://bugs.python.org/issue14018\n" 186 "The problem may cause build errors that report missing system frameworks. " 187 "Fix your SDK symlinks to resolve this issue and avoid this warning." 188 ) 189 endif() 190endif() 191 192# default to searching for application bundles first 193if(NOT DEFINED CMAKE_FIND_APPBUNDLE) 194 set(CMAKE_FIND_APPBUNDLE FIRST) 195endif() 196# set up the default search directories for application bundles 197set(_apps_paths) 198foreach(_path 199 "~/Applications" 200 "/Applications" 201 "${OSX_DEVELOPER_ROOT}/../Applications" # Xcode 4.3+ 202 "${OSX_DEVELOPER_ROOT}/Applications" # pre-4.3 203 ) 204 get_filename_component(_apps "${_path}" ABSOLUTE) 205 if(EXISTS "${_apps}") 206 list(APPEND _apps_paths "${_apps}") 207 endif() 208endforeach() 209if(_apps_paths) 210 list(REMOVE_DUPLICATES _apps_paths) 211endif() 212set(CMAKE_SYSTEM_APPBUNDLE_PATH 213 ${_apps_paths}) 214unset(_apps_paths) 215 216include(Platform/UnixPaths) 217 218if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64") 219 list(PREPEND CMAKE_SYSTEM_PREFIX_PATH 220 /opt/homebrew # Brew on Apple Silicon 221 ) 222endif() 223 224if(_CMAKE_OSX_SYSROOT_PATH) 225 if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include) 226 list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr) 227 foreach(lang C CXX OBJC OBJCXX Swift) 228 list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/include) 229 endforeach() 230 endif() 231 if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include) 232 list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local) 233 foreach(lang C CXX OBJC OBJCXX Swift) 234 list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include) 235 endforeach() 236 endif() 237endif() 238list(APPEND CMAKE_SYSTEM_PREFIX_PATH 239 /sw # Fink 240 /opt/local # MacPorts 241 ) 242