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("${DARWIN_MAJOR_VERSION}" GREATER 6) set(HAVE_FLAG_SEARCH_PATHS_FIRST 1) endif("${DARWIN_MAJOR_VERSION}" GREATER 6) endif(NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST) # 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 "") 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(HAVE_FLAG_SEARCH_PATHS_FIRST) 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(NOT DEFINED CMAKE_INSTALL_NAME_TOOL) # Set the assumed (Pre 10.5 or Default) location of the developer tools set(OSX_DEVELOPER_ROOT "/Developer") # Use the xcode-select tool if it's available (Xcode >= 3.0 installations) find_program(CMAKE_XCODE_SELECT xcode-select) mark_as_advanced(CMAKE_XCODE_SELECT) if(CMAKE_XCODE_SELECT) execute_process(COMMAND ${CMAKE_XCODE_SELECT} "-print-path" OUTPUT_VARIABLE OSX_DEVELOPER_ROOT OUTPUT_STRIP_TRAILING_WHITESPACE) endif(CMAKE_XCODE_SELECT) # Find installed SDKs # Start with Xcode-4.3+ default SDKs directory set(_CMAKE_OSX_SDKS_DIR "${OSX_DEVELOPER_ROOT}/Platforms/MacOSX.platform/Developer/SDKs") file(GLOB _CMAKE_OSX_SDKS "${_CMAKE_OSX_SDKS_DIR}/*") # If not present, try pre-4.3 SDKs directory if(NOT _CMAKE_OSX_SDKS) set(_CMAKE_OSX_SDKS_DIR "${OSX_DEVELOPER_ROOT}/SDKs") file(GLOB _CMAKE_OSX_SDKS "${_CMAKE_OSX_SDKS_DIR}/*") endif(NOT _CMAKE_OSX_SDKS) execute_process(COMMAND sw_vers -productVersion OUTPUT_VARIABLE CURRENT_OSX_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE) #---------------------------------------------------------------------------- # _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ... # string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*$" "\\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(_CURRENT_OSX_VERSION VERSION_GREATER 10.3) #---------------------------------------------------------------------------- # CMAKE_OSX_SYSROOT # Environment variable set by the user overrides our default. # Use the same environment variable that Xcode uses. set(ENV_SDKROOT "$ENV{SDKROOT}") # Set CMAKE_OSX_SYSROOT_DEFAULT based on _CURRENT_OSX_VERSION, # accounting for the known specially named SDKs. set(CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CURRENT_OSX_VERSION}.sdk") if(_CURRENT_OSX_VERSION STREQUAL "10.4") set(CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX10.4u.sdk") endif(_CURRENT_OSX_VERSION STREQUAL "10.4") if(_CURRENT_OSX_VERSION STREQUAL "10.3") set(CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX10.3.9.sdk") endif(_CURRENT_OSX_VERSION STREQUAL "10.3") # Use environment or default as initial cache value: if(NOT ENV_SDKROOT STREQUAL "") set(CMAKE_OSX_SYSROOT_VALUE ${ENV_SDKROOT}) else(NOT ENV_SDKROOT STREQUAL "") set(CMAKE_OSX_SYSROOT_VALUE ${CMAKE_OSX_SYSROOT_DEFAULT}) endif(NOT ENV_SDKROOT STREQUAL "") # Set cache variable - end user may change this during ccmake or cmake-gui configure. set(CMAKE_OSX_SYSROOT ${CMAKE_OSX_SYSROOT_VALUE} CACHE PATH "The product will be built against the headers and libraries located inside the indicated SDK.") #---------------------------------------------------------------------------- function(SanityCheckSDKAndDeployTarget _sdk_path _deploy) if(_deploy STREQUAL "") return() endif() if(_sdk_path STREQUAL "") message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET='${_deploy}' but CMAKE_OSX_SYSROOT is empty... - either set CMAKE_OSX_SYSROOT to a valid SDK or set CMAKE_OSX_DEPLOYMENT_TARGET to empty") endif() string(REGEX REPLACE "(.*MacOSX*)(....)(.*\\.sdk)" "\\2" SDK "${_sdk_path}") if(_deploy GREATER "${SDK}") message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET (${_deploy}) is greater than CMAKE_OSX_SYSROOT SDK (${_sdk_path}). Please set CMAKE_OSX_DEPLOYMENT_TARGET to ${SDK} or lower") endif() endfunction(SanityCheckSDKAndDeployTarget) #---------------------------------------------------------------------------- # Make sure the combination of SDK and Deployment Target are allowed SanityCheckSDKAndDeployTarget("${CMAKE_OSX_SYSROOT}" "${CMAKE_OSX_DEPLOYMENT_TARGET}") # set _CMAKE_OSX_MACHINE to uname -m execute_process(COMMAND uname -m OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE _CMAKE_OSX_MACHINE) # check for Power PC and change to ppc if(_CMAKE_OSX_MACHINE MATCHES "Power") set(_CMAKE_OSX_MACHINE ppc) endif(_CMAKE_OSX_MACHINE MATCHES "Power") # check for environment variable CMAKE_OSX_ARCHITECTURES # if it is set. if(NOT "$ENV{CMAKE_OSX_ARCHITECTURES}" STREQUAL "") set(CMAKE_OSX_ARCHITECTURES_VALUE "$ENV{CMAKE_OSX_ARCHITECTURES}") else(NOT "$ENV{CMAKE_OSX_ARCHITECTURES}" STREQUAL "") set(CMAKE_OSX_ARCHITECTURES_VALUE "") endif(NOT "$ENV{CMAKE_OSX_ARCHITECTURES}" STREQUAL "") # now put _CMAKE_OSX_MACHINE into the cache set(CMAKE_OSX_ARCHITECTURES ${CMAKE_OSX_ARCHITECTURES_VALUE} CACHE STRING "Build architectures for OSX") if("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$") set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress") endif("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$") if(NOT XCODE) # Enable shared library versioning. This flag is not actually referenced # but the fact that the setting exists will cause the generators to support # soname computation. set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name") endif(NOT XCODE) # Xcode does not support -isystem yet. if(XCODE) set(CMAKE_INCLUDE_SYSTEM_FLAG_C) set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX) endif(XCODE) if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5") # Need to list dependent shared libraries on link line. When building # with -isysroot (for universal binaries), the linker always looks for # dependent libraries under the sysroot. Listing them on the link # line works around the problem. set(CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1) endif() set(CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) set(CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w) set(CMAKE_C_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_CXX_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_Fortran_CREATE_SHARED_LIBRARY " -o ") set(CMAKE_CXX_CREATE_SHARED_MODULE " -o ") set(CMAKE_C_CREATE_SHARED_MODULE " -o ") set(CMAKE_Fortran_CREATE_SHARED_MODULE " -o ") set(CMAKE_C_CREATE_MACOSX_FRAMEWORK " -o ") set(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK " -o ") # default to searching for frameworks first if(NOT DEFINED CMAKE_FIND_FRAMEWORK) set(CMAKE_FIND_FRAMEWORK FIRST) endif() # set up the default search directories for frameworks set(CMAKE_SYSTEM_FRAMEWORK_PATH ~/Library/Frameworks /Library/Frameworks /Network/Library/Frameworks /System/Library/Frameworks) # default to searching for application bundles first if(NOT DEFINED CMAKE_FIND_APPBUNDLE) set(CMAKE_FIND_APPBUNDLE FIRST) endif() # set up the default search directories for application bundles set(_apps_paths) foreach(_path "~/Applications" "/Applications" "${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() list(REMOVE_DUPLICATES _apps_paths) set(CMAKE_SYSTEM_APPBUNDLE_PATH ${_apps_paths}) unset(_apps_paths) include(Platform/UnixPaths) list(APPEND CMAKE_SYSTEM_PREFIX_PATH /sw # Fink /opt/local # MacPorts )