264 lines
11 KiB
CMake
264 lines
11 KiB
CMake
set(APPLE 1)
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# Darwin versions:
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# 6.x == Mac OSX 10.2 (Jaguar)
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# 7.x == Mac OSX 10.3 (Panther)
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# 8.x == Mac OSX 10.4 (Tiger)
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# 9.x == Mac OSX 10.5 (Leopard)
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# 10.x == Mac OSX 10.6 (Snow Leopard)
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# 11.x == Mac OSX 10.7 (Lion)
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# 12.x == Mac OSX 10.8 (Mountain Lion)
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string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_SYSTEM_VERSION}")
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string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\2" DARWIN_MINOR_VERSION "${CMAKE_SYSTEM_VERSION}")
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# Do not use the "-Wl,-search_paths_first" flag with the OSX 10.2 compiler.
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# Done this way because it is too early to do a TRY_COMPILE.
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if(NOT DEFINED HAVE_FLAG_SEARCH_PATHS_FIRST)
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set(HAVE_FLAG_SEARCH_PATHS_FIRST 0)
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if("${DARWIN_MAJOR_VERSION}" GREATER 6)
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set(HAVE_FLAG_SEARCH_PATHS_FIRST 1)
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endif()
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endif()
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# More desirable, but does not work:
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#include(CheckCXXCompilerFlag)
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#CHECK_CXX_COMPILER_FLAG("-Wl,-search_paths_first" HAVE_FLAG_SEARCH_PATHS_FIRST)
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set(CMAKE_SHARED_LIBRARY_PREFIX "lib")
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set(CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
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set(CMAKE_SHARED_MODULE_PREFIX "lib")
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set(CMAKE_SHARED_MODULE_SUFFIX ".so")
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set(CMAKE_MODULE_EXISTS 1)
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set(CMAKE_DL_LIBS "")
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set(CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
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set(CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
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set(CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
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set(CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
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set(CMAKE_C_LINK_FLAGS "-Wl,-headerpad_max_install_names")
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set(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names")
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if(HAVE_FLAG_SEARCH_PATHS_FIRST)
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set(CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
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set(CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
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endif()
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set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
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set(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
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set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -Wl,-headerpad_max_install_names")
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set(CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
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set(CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
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# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
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# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache
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# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
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# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex
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if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
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find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
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mark_as_advanced(CMAKE_INSTALL_NAME_TOOL)
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endif()
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# Ask xcode-select where to find /Developer or fall back to ancient location.
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execute_process(COMMAND xcode-select -print-path
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OUTPUT_VARIABLE _stdout
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE _stderr
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RESULT_VARIABLE _failed)
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if(NOT _failed AND IS_DIRECTORY ${_stdout})
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set(OSX_DEVELOPER_ROOT ${_stdout})
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elseif(IS_DIRECTORY "/Developer")
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set(OSX_DEVELOPER_ROOT "/Developer")
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else()
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set(OSX_DEVELOPER_ROOT "")
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endif()
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execute_process(COMMAND sw_vers -productVersion
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OUTPUT_VARIABLE CURRENT_OSX_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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#----------------------------------------------------------------------------
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# _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ...
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#
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string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*$" "\\1"
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_CURRENT_OSX_VERSION "${CURRENT_OSX_VERSION}")
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#----------------------------------------------------------------------------
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# CMAKE_OSX_DEPLOYMENT_TARGET
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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if(_CURRENT_OSX_VERSION VERSION_GREATER 10.3)
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set(CMAKE_OSX_DEPLOYMENT_TARGET "$ENV{MACOSX_DEPLOYMENT_TARGET}" CACHE STRING
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"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value.")
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endif()
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#----------------------------------------------------------------------------
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# CMAKE_OSX_SYSROOT
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# Environment variable set by the user overrides our default.
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# Use the same environment variable that Xcode uses.
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if(NOT "x$ENV{SDKROOT}" STREQUAL "x" AND EXISTS "$ENV{SDKROOT}")
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set(_CMAKE_OSX_SYSROOT_DEFAULT "$ENV{SDKROOT}")
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else()
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# Find installed SDKs in either Xcode-4.3+ or pre-4.3 SDKs directory.
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set(_CMAKE_OSX_SDKS_DIR "")
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if(OSX_DEVELOPER_ROOT)
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foreach(d Platforms/MacOSX.platform/Developer/SDKs SDKs)
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file(GLOB _CMAKE_OSX_SDKS ${OSX_DEVELOPER_ROOT}/${d}/*)
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if(_CMAKE_OSX_SDKS)
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set(_CMAKE_OSX_SDKS_DIR ${OSX_DEVELOPER_ROOT}/${d})
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break()
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endif()
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endforeach()
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endif()
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if(_CMAKE_OSX_SDKS_DIR)
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# Select SDK for current OSX version accounting for the known
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# specially named SDKs.
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set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.4 "u")
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set(_CMAKE_OSX_SDKS_VER_SUFFIX_10.3 ".9")
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set(_CMAKE_OSX_SDKS_VER ${_CURRENT_OSX_VERSION}${_CMAKE_OSX_SDKS_VER_SUFFIX_${_CURRENT_OSX_VERSION}})
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set(_CMAKE_OSX_SYSROOT_DEFAULT
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"${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_SDKS_VER}.sdk")
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else()
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# Assume developer files are in root (such as Xcode 4.5 command-line tools).
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set(_CMAKE_OSX_SYSROOT_DEFAULT "")
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endif()
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endif()
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_DEFAULT}" CACHE PATH
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"The product will be built against the headers and libraries located inside the indicated SDK.")
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#----------------------------------------------------------------------------
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function(SanityCheckSDKAndDeployTarget _sdk_path _deploy)
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if(_deploy STREQUAL "")
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return()
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endif()
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if(_sdk_path STREQUAL "")
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message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET='${_deploy}' but CMAKE_OSX_SYSROOT is empty... - either set CMAKE_OSX_SYSROOT to a valid SDK or set CMAKE_OSX_DEPLOYMENT_TARGET to empty")
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endif()
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string(REGEX REPLACE "(.*MacOSX*)(....)(.*\\.sdk)" "\\2" SDK "${_sdk_path}")
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if(_deploy GREATER "${SDK}")
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message(FATAL_ERROR "CMAKE_OSX_DEPLOYMENT_TARGET (${_deploy}) is greater than CMAKE_OSX_SYSROOT SDK (${_sdk_path}). Please set CMAKE_OSX_DEPLOYMENT_TARGET to ${SDK} or lower")
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endif()
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endfunction()
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#----------------------------------------------------------------------------
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# Make sure the combination of SDK and Deployment Target are allowed
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SanityCheckSDKAndDeployTarget("${CMAKE_OSX_SYSROOT}" "${CMAKE_OSX_DEPLOYMENT_TARGET}")
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# set _CMAKE_OSX_MACHINE to uname -m
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execute_process(COMMAND uname -m
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OUTPUT_STRIP_TRAILING_WHITESPACE
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OUTPUT_VARIABLE _CMAKE_OSX_MACHINE)
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# check for Power PC and change to ppc
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if(_CMAKE_OSX_MACHINE MATCHES "Power")
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set(_CMAKE_OSX_MACHINE ppc)
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endif()
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# check for environment variable CMAKE_OSX_ARCHITECTURES
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# if it is set.
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if(NOT "$ENV{CMAKE_OSX_ARCHITECTURES}" STREQUAL "")
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set(CMAKE_OSX_ARCHITECTURES_VALUE "$ENV{CMAKE_OSX_ARCHITECTURES}")
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else()
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set(CMAKE_OSX_ARCHITECTURES_VALUE "")
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endif()
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# now put _CMAKE_OSX_MACHINE into the cache
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set(CMAKE_OSX_ARCHITECTURES ${CMAKE_OSX_ARCHITECTURES_VALUE} CACHE STRING
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"Build architectures for OSX")
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if("${CMAKE_BACKWARDS_COMPATIBILITY}" MATCHES "^1\\.[0-6]$")
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set(CMAKE_SHARED_MODULE_CREATE_C_FLAGS
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"${CMAKE_SHARED_MODULE_CREATE_C_FLAGS} -flat_namespace -undefined suppress")
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endif()
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if(NOT XCODE)
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# Enable shared library versioning. This flag is not actually referenced
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# but the fact that the setting exists will cause the generators to support
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# soname computation.
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set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
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endif()
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# Xcode does not support -isystem yet.
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if(XCODE)
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set(CMAKE_INCLUDE_SYSTEM_FLAG_C)
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set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX)
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endif()
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if("${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
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# Need to list dependent shared libraries on link line. When building
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# with -isysroot (for universal binaries), the linker always looks for
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# dependent libraries under the sysroot. Listing them on the link
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# line works around the problem.
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set(CMAKE_LINK_DEPENDENT_LIBRARY_FILES 1)
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endif()
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set(CMAKE_C_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
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set(CMAKE_CXX_CREATE_SHARED_LIBRARY_FORBIDDEN_FLAGS -w)
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set(CMAKE_C_CREATE_SHARED_LIBRARY
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"<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>")
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set(CMAKE_CXX_CREATE_SHARED_LIBRARY
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"<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>")
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set(CMAKE_Fortran_CREATE_SHARED_LIBRARY
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"<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>")
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set(CMAKE_CXX_CREATE_SHARED_MODULE
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"<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_CXX_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_C_CREATE_SHARED_MODULE
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"<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_C_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_Fortran_CREATE_SHARED_MODULE
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"<CMAKE_Fortran_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_Fortran_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
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set(CMAKE_C_CREATE_MACOSX_FRAMEWORK
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"<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>")
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set(CMAKE_CXX_CREATE_MACOSX_FRAMEWORK
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"<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>")
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# default to searching for frameworks first
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if(NOT DEFINED CMAKE_FIND_FRAMEWORK)
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set(CMAKE_FIND_FRAMEWORK FIRST)
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endif()
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# set up the default search directories for frameworks
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set(CMAKE_SYSTEM_FRAMEWORK_PATH
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~/Library/Frameworks
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/Library/Frameworks
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/Network/Library/Frameworks
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/System/Library/Frameworks)
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# default to searching for application bundles first
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if(NOT DEFINED CMAKE_FIND_APPBUNDLE)
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set(CMAKE_FIND_APPBUNDLE FIRST)
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endif()
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# set up the default search directories for application bundles
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set(_apps_paths)
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foreach(_path
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"~/Applications"
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"/Applications"
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"${OSX_DEVELOPER_ROOT}/../Applications" # Xcode 4.3+
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"${OSX_DEVELOPER_ROOT}/Applications" # pre-4.3
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)
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get_filename_component(_apps "${_path}" ABSOLUTE)
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if(EXISTS "${_apps}")
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list(APPEND _apps_paths "${_apps}")
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endif()
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endforeach()
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list(REMOVE_DUPLICATES _apps_paths)
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set(CMAKE_SYSTEM_APPBUNDLE_PATH
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${_apps_paths})
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unset(_apps_paths)
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include(Platform/UnixPaths)
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list(APPEND CMAKE_SYSTEM_PREFIX_PATH
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/sw # Fink
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/opt/local # MacPorts
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)
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