set(APPLE 1) # Darwin versions: # 6.x == Mac OSX 10.2 (Jaguar) # 7.x == Mac OSX 10.3 (Panther) # 8.x == Mac OSX 10.4 (Tiger) # 9.x == Mac OSX 10.5 (Leopard) # 10.x == Mac OSX 10.6 (Snow Leopard) # 11.x == Mac OSX 10.7 (Lion) # 12.x == Mac OSX 10.8 (Mountain Lion) string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}") string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}") # Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler. # Done this way because it is too early to do a TRY_COMPILE. if(NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST) set(HAVE_FLAG_SEARCH_PATHS_FIRST 0) if("${DARWIN_MAJOR_VERSION}" GREATER 6) set(HAVE_FLAG_SEARCH_PATHS_FIRST 1) endif() endif() # More desirable, but does not work: #include(CheckCXXCompilerFlag) #CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST) set(CMAKE_SHARED_LIBRARY_PREFIX "lib") set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib") set(CMAKE_SHARED_MODULE_PREFIX "lib") set(CMAKE_SHARED_MODULE_SUFFIX ".so") set(CMAKE_MODULE_EXISTS 1) set(CMAKE_DL_LIBS "") # Enable rpath support for 10.5 and greater where it is known to work. if("${DARWIN_MAJOR_VERSION}" GREATER 8) set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,") endif() set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ") set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ") set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}") set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}") set(CMAKE_C_LINK_FLAGS "-Wl,-headerpad_max_install_names") set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names") if(HAVE_FLAG_SEARCH_PATHS_FIRST) set(CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}") set(CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}") endif() set(CMAKE_PLATFORM_HAS_INSTALLNAME 1) set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names") set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -Wl,-headerpad_max_install_names") set(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,") set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,") set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a") # hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree # (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache # and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun) # hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL) find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool) mark_as_advanced(CMAKE_INSTALL_NAME_TOOL) endif() # Ask xcode-select where to find /Developer or fall back to ancient location. execute_process(COMMAND xcode-select -print-path OUTPUT_VARIABLE _stdout OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_VARIABLE _stderr RESULT_VARIABLE _failed) if(NOT _failed AND IS_DIRECTORY ${_stdout}) set(OSX_DEVELOPER_ROOT ${_stdout}) elseif(IS_DIRECTORY "/Developer") set(OSX_DEVELOPER_ROOT "/Developer") else() set(OSX_DEVELOPER_ROOT "") endif() execute_process(COMMAND sw_vers -productVersion OUTPUT_VARIABLE CURRENT_OSX_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE) # Save CMAKE_OSX_ARCHITECTURES from the environment. set(CMAKE_OSX_ARCHITECTURES "$ENV{CMAKE_OSX_ARCHITECTURES}" CACHE STRING "Build architectures for OSX") #---------------------------------------------------------------------------- # _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ... # string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*$" "\\1" _CURRENT_OSX_VERSION "${CURRENT_OSX_VERSION}") #---------------------------------------------------------------------------- # CMAKE_OSX_DEPLOYMENT_TARGET # Set cache variable - end user may change this during ccmake or cmake-gui configure. if(_CURRENT_OSX_VERSION VERSION_GREATER 10.3) set(CMAKE_OSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}" CACHE STRING "Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value.") endif() #---------------------------------------------------------------------------- # CMAKE_OSX_SYSROOT if(CMAKE_OSX_SYSROOT) # Use the existing value without further computation to choose a default. set(_CMAKE_OSX_SYSROOT_DEFAULT "${CMAKE_OSX_SYSROOT}") elseif(NOT "x$ENV{SDKROOT}" STREQUAL "x" AND (NOT "x$ENV{SDKROOT}" MATCHES "/" OR IS_DIRECTORY "$ENV{SDKROOT}")) # Use the value of SDKROOT from the environment. set(_CMAKE_OSX_SYSROOT_DEFAULT "$ENV{SDKROOT}") elseif("${CMAKE_GENERATOR}" MATCHES Xcode OR CMAKE_OSX_DEPLOYMENT_TARGET OR CMAKE_OSX_ARCHITECTURES MATCHES "[^;]" OR NOT EXISTS "/usr/include/sys/types.h") # Find installed SDKs in either Xcode-4.3+ or pre-4.3 SDKs directory. set(_CMAKE_OSX_SDKS_DIR "") if(OSX_DEVELOPER_ROOT) foreach(d Platforms/MacOSX.platform/Developer/SDKs SDKs) file(GLOB _CMAKE_OSX_SDKS ${OSX_DEVELOPER_ROOT}/${d}/*) if(_CMAKE_OSX_SDKS) set(_CMAKE_OSX_SDKS_DIR ${OSX_DEVELOPER_ROOT}/${d}) break() endif() endforeach() endif() if(_CMAKE_OSX_SDKS_DIR) # Select SDK for current OSX version accounting for the known # specially named SDKs. set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.4 "u") set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.3 ".9") if(CMAKE_OSX_DEPLOYMENT_TARGET) set(_CMAKE_OSX_SDKS_VER ${CMAKE_OSX_DEPLOYMENT_TARGET}${_CMAKE_OSX_SDKS_VER_SUFFIX_${CMAKE_OSX_DEPLOYMENT_TARGET}}) set(_CMAKE_OSX_SYSROOT_CHECK "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk") if(IS_DIRECTORY "${_CMAKE_OSX_SYSROOT_CHECK}") set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SYSROOT_CHECK}") else() set(_CMAKE_OSX_SDKS_VER ${_CURRENT_OSX_VERSION}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CURRENT_OSX_VERSION}}) set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk") message(WARNING "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' " "but the matching SDK does not exist at:\n \"${_CMAKE_OSX_SYSROOT_CHECK}\"\n" "Instead using SDK:\n \"${_CMAKE_OSX_SYSROOT_DEFAULT}\"\n" "matching the host OS X version." ) endif() else() set(_CMAKE_OSX_SDKS_VER ${_CURRENT_OSX_VERSION}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CURRENT_OSX_VERSION}}) set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk") endif() else() # Assume developer files are in root (such as Xcode 4.5 command-line tools). set(_CMAKE_OSX_SYSROOT_DEFAULT "") endif() endif() # Set cache variable - end user may change this during ccmake or cmake-gui configure. # Choose the type based on the current value. set(_CMAKE_OSX_SYSROOT_TYPE STRING) foreach(v CMAKE_OSX_SYSROOT _CMAKE_OSX_SYSROOT_DEFAULT) if("x${${v}}" MATCHES "/") set(_CMAKE_OSX_SYSROOT_TYPE PATH) break() endif() endforeach() set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_DEFAULT}" CACHE ${_CMAKE_OSX_SYSROOT_TYPE} "The product will be built against the headers and libraries located inside the indicated SDK.") # Transform the cached value to something we can use. set(_CMAKE_OSX_SYSROOT_ORIG "${CMAKE_OSX_SYSROOT}") set(_CMAKE_OSX_SYSROOT_PATH "") if(CMAKE_OSX_SYSROOT) if("x${CMAKE_OSX_SYSROOT}" MATCHES "/") # This is a path to the SDK. Make sure it exists. if(NOT IS_DIRECTORY "${CMAKE_OSX_SYSROOT}") message(WARNING "Ignoring CMAKE_OSX_SYSROOT value:\n ${CMAKE_OSX_SYSROOT}\n" "because the directory does not exist.") set(CMAKE_OSX_SYSROOT "") set(_CMAKE_OSX_SYSROOT_ORIG "") endif() set(_CMAKE_OSX_SYSROOT_PATH "${CMAKE_OSX_SYSROOT}") else() # Transform the sdk name into a path. execute_process( COMMAND xcodebuild -sdk ${CMAKE_OSX_SYSROOT} -version Path OUTPUT_VARIABLE _stdout OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_VARIABLE _stderr RESULT_VARIABLE _failed ) if(NOT _failed AND IS_DIRECTORY "${_stdout}") set(_CMAKE_OSX_SYSROOT_PATH "${_stdout}") # For non-Xcode generators use the path. if(NOT "${CMAKE_GENERATOR}" MATCHES "Xcode") set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_PATH}") endif() endif() endif() endif() # Make sure the combination of SDK and Deployment Target are allowed if(CMAKE_OSX_DEPLOYMENT_TARGET) if("${_CMAKE_OSX_SYSROOT_PATH}" MATCHES "/MacOSX([0-9]+\\.[0-9]+)[^/]*\\.sdk") set(_sdk_ver "${CMAKE_MATCH_1}") elseif("${_CMAKE_OSX_SYSROOT_ORIG}" MATCHES "^macosx([0-9]+\\.[0-9]+)$") set(_sdk_ver "${CMAKE_MATCH_1}") else() message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET is '${CMAKE_OSX_DEPLOYMENT_TARGET}' " "but CMAKE_OSX_SYSROOT:\n \"${_CMAKE_OSX_SYSROOT_ORIG}\"\n" "is not set to a MacOSX SDK with a recognized version. " "Either set CMAKE_OSX_SYSROOT to a valid SDK or set " "CMAKE_OSX_DEPLOYMENT_TARGET to empty.") endif() if(CMAKE_OSX_DEPLOYMENT_TARGET VERSION_GREATER "${_sdk_ver}") message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET (${CMAKE_OSX_DEPLOYMENT_TARGET}) " "is greater than CMAKE_OSX_SYSROOT SDK:\n ${_CMAKE_OSX_SYSROOT_ORIG}\n" "Please set CMAKE_OSX_DEPLOYMENT_TARGET to ${_sdk_ver} or lower.") endif() endif() # Enable shared library versioning. set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name") # Xcode does not support -isystem yet. if(XCODE) set(CMAKE_INCLUDE_SYSTEM_FLAG_C) set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX) endif() if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") # Need to list dependent shared libraries on link line. When building # with -isysroot (for universal binaries), the linker always looks for # dependent libraries under the sysroot. Listing them on the link # line works around the problem. set(CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1) endif() set(CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) set(CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) set(CMAKE_C_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_CXX_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_Fortran_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_CXX_CREATE_SHARED_MODULE " -o ") set(CMAKE_C_CREATE_SHARED_MODULE " -o ") set(CMAKE_Fortran_CREATE_SHARED_MODULE " -o ") set(CMAKE_C_CREATE_MACOSX_FRAMEWORK " -o ") set(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK " -o ") # Set default framework search path flag for languages known to use a # preprocessor that may find headers in frameworks. set(CMAKE_C_FRAMEWORK_SEARCH_FLAG -F) set(CMAKE_CXX_FRAMEWORK_SEARCH_FLAG -F) set(CMAKE_Fortran_FRAMEWORK_SEARCH_FLAG -F) # default to searching for frameworks first if(NOT DEFINED CMAKE_FIND_FRAMEWORK) set(CMAKE_FIND_FRAMEWORK FIRST) endif() # Older OS X linkers do not report their framework search path # with -v but "man ld" documents the following locations. set(CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks ) if(_CMAKE_OSX_SYSROOT_PATH) # Treat some paths as implicit so we do not override the SDK versions. list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES /System/Library/Frameworks) endif() if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") # Older OS X tools had more implicit paths. list(APPEND CMAKE_PLATFORM_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks) endif() # set up the default search directories for frameworks set(CMAKE_SYSTEM_FRAMEWORK_PATH ~/Library/Frameworks ) if(_CMAKE_OSX_SYSROOT_PATH) list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH ${_CMAKE_OSX_SYSROOT_PATH}/Library/Frameworks ${_CMAKE_OSX_SYSROOT_PATH}/Network/Library/Frameworks ${_CMAKE_OSX_SYSROOT_PATH}/System/Library/Frameworks ) endif() list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH /Library/Frameworks /Network/Library/Frameworks /System/Library/Frameworks) # Warn about known system mis-configuration case. if(CMAKE_OSX_SYSROOT) get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE) if(NOT _IN_TC AND NOT IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks" AND IS_SYMLINK "${CMAKE_OSX_SYSROOT}/Library/Frameworks/Frameworks") message(WARNING "The SDK Library/Frameworks path\n" " ${CMAKE_OSX_SYSROOT}/Library/Frameworks\n" "is not set up correctly on this system. " "This is known to occur when installing Xcode 3.2.6:\n" " http://bugs.python.org/issue14018\n" "The problem may cause build errors that report missing system frameworks. " "Fix your SDK symlinks to resolve this issue and avoid this warning." ) endif() endif() # default to searching for application bundles first if(NOT DEFINED CMAKE_FIND_APPBUNDLE) set(CMAKE_FIND_APPBUNDLE FIRST) endif() # set up the default search directories for application bundles set(_apps_paths) foreach(_path "~/Applications" "/Applications" "${OSX_DEVELOPER_ROOT}/../Applications" # Xcode 4.3+ "${OSX_DEVELOPER_ROOT}/Applications" # pre-4.3 ) get_filename_component(_apps "${_path}" ABSOLUTE) if(EXISTS "${_apps}") list(APPEND _apps_paths "${_apps}") endif() endforeach() if(_apps_paths) list(REMOVE_DUPLICATES _apps_paths) endif() set(CMAKE_SYSTEM_APPBUNDLE_PATH ${_apps_paths}) unset(_apps_paths) include(Platform/UnixPaths) if(_CMAKE_OSX_SYSROOT_PATH AND EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include) list(APPEND CMAKE_SYSTEM_PREFIX_PATH ${_CMAKE_OSX_SYSROOT_PATH}/usr) foreach(lang C CXX) list(APPEND CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES ${_CMAKE_OSX_SYSROOT_PATH}/usr/include) endforeach() endif() list(APPEND CMAKE_SYSTEM_PREFIX_PATH /sw # Fink /opt/local # MacPorts )