diff options
Diffstat (limited to 'Modules/Platform/Darwin.cmake')
-rw-r--r-- | Modules/Platform/Darwin.cmake | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/Modules/Platform/Darwin.cmake b/Modules/Platform/Darwin.cmake new file mode 100644 index 000000000..eff07b295 --- /dev/null +++ b/Modules/Platform/Darwin.cmake @@ -0,0 +1,268 @@ +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 + "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") +SET(CMAKE_CXX_CREATE_SHARED_LIBRARY + "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") +SET(CMAKE_Fortran_CREATE_SHARED_LIBRARY + "<CMAKE_Fortran_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_Fortran_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") + +SET(CMAKE_CXX_CREATE_SHARED_MODULE + "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") + +SET(CMAKE_C_CREATE_SHARED_MODULE + "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") + +SET(CMAKE_Fortran_CREATE_SHARED_MODULE + "<CMAKE_Fortran_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_Fortran_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>") + +SET(CMAKE_C_CREATE_MACOSX_FRAMEWORK + "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") +SET(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK + "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>") + + +# 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 + ) |