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) 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) 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 -install_name ") SET(CMAKE_CXX_CREATE_SHARED_LIBRARY " -o -install_name ") SET(CMAKE_Fortran_CREATE_SHARED_LIBRARY " -o -install_name ") 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 -install_name ") SET(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK " -o -install_name ") # default to searching for frameworks first SET(CMAKE_FIND_FRAMEWORK FIRST) # 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 SET(CMAKE_FIND_APPBUNDLE FIRST) # set up the default search directories for application bundles SET(CMAKE_SYSTEM_APPBUNDLE_PATH ~/Applications /Applications ${OSX_DEVELOPER_ROOT}/Applications) INCLUDE(Platform/UnixPaths) LIST(APPEND CMAKE_SYSTEM_PREFIX_PATH /sw # Fink /opt/local # MacPorts )