https://github.com/Kitware/CMake
Tip revision: 38643edc2de410311fbe76f7950190fc056b151a authored by Brad King on 11 October 2023, 18:33:33 UTC
CMake 3.28.0-rc1
CMake 3.28.0-rc1
Tip revision: 38643ed
Darwin.cmake
if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "tvOS" OR CMAKE_SYSTEM_NAME STREQUAL "visionOS" OR CMAKE_SYSTEM_NAME STREQUAL "watchOS")
if(NOT DEFINED CMAKE_MACOSX_BUNDLE)
set(CMAKE_MACOSX_BUNDLE ON)
endif()
list(APPEND CMAKE_FIND_ROOT_PATH "${_CMAKE_OSX_SYSROOT_PATH}")
if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_LIBRARY)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
endif()
if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_INCLUDE)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
endif()
if(NOT DEFINED CMAKE_FIND_ROOT_PATH_MODE_PACKAGE)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
endif()
endif()
# Darwin versions:
# 6.x == Mac OSX 10.2 (Jaguar)
# 7.x == Mac OSX 10.3 (Panther)
# 8.x == Mac OSX 10.4 (Tiger)
# 9.x == Mac OSX 10.5 (Leopard)
# 10.x == Mac OSX 10.6 (Snow Leopard)
# 11.x == Mac OSX 10.7 (Lion)
# 12.x == Mac OSX 10.8 (Mountain Lion)
string(REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\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_EXTRA_SHARED_LIBRARY_SUFFIXES ".tbd" ".so")
set(CMAKE_SHARED_MODULE_PREFIX "lib")
set(CMAKE_SHARED_MODULE_SUFFIX ".so")
set(CMAKE_APPLE_IMPORT_FILE_PREFIX "lib")
set(CMAKE_APPLE_IMPORT_FILE_SUFFIX ".tbd")
set(CMAKE_MODULE_EXISTS 1)
set(CMAKE_DL_LIBS "")
if(NOT "${_CURRENT_OSX_VERSION}" VERSION_LESS "10.5")
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
endif()
foreach(lang C CXX OBJC OBJCXX)
set(CMAKE_${lang}_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
set(CMAKE_${lang}_OSX_CURRENT_VERSION_FLAG "-current_version ")
set(CMAKE_${lang}_LINK_FLAGS "-Wl,-headerpad_max_install_names")
if(HAVE_FLAG_SEARCH_PATHS_FIRST)
set(CMAKE_${lang}_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_${lang}_LINK_FLAGS}")
endif()
set(CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS "-dynamiclib -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS "-bundle -Wl,-headerpad_max_install_names")
set(CMAKE_SHARED_MODULE_LOADER_${lang}_FLAG "-Wl,-bundle_loader,")
endforeach()
set(CMAKE_PLATFORM_HAS_INSTALLNAME 1)
set(CMAKE_FIND_LIBRARY_SUFFIXES ".tbd" ".dylib" ".so" ".a")
# hack: if a new cmake (which uses CMAKE_INSTALL_NAME_TOOL) runs on an old build tree
# (where install_name_tool was hardcoded) and where CMAKE_INSTALL_NAME_TOOL isn't in the cache
# and still cmake didn't fail in CMakeFindBinUtils.cmake (because it isn't rerun)
# hardcode CMAKE_INSTALL_NAME_TOOL here to install_name_tool, so it behaves as it did before, Alex
if(NOT DEFINED CMAKE_INSTALL_NAME_TOOL)
find_program(CMAKE_INSTALL_NAME_TOOL install_name_tool)
mark_as_advanced(CMAKE_INSTALL_NAME_TOOL)
endif()
# Enable shared library versioning.
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-install_name")
if("${_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()
foreach(lang C CXX Fortran OBJC OBJCXX)
# Xcode does not support -isystem yet.
if(XCODE)
set(CMAKE_INCLUDE_SYSTEM_FLAG_${lang})
endif()
set(CMAKE_${lang}_CREATE_SHARED_LIBRARY
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_${lang}_CREATE_SHARED_MODULE
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_MODULE_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
set(CMAKE_${lang}_CREATE_MACOSX_FRAMEWORK
"<CMAKE_${lang}_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_${lang}_FLAGS> <LINK_FLAGS> -o <TARGET> <SONAME_FLAG> <TARGET_INSTALLNAME_DIR><TARGET_SONAME> <OBJECTS> <LINK_LIBRARIES>")
# Set default framework search path flag for languages known to use a
# preprocessor that may find headers in frameworks.
set(CMAKE_${lang}_FRAMEWORK_SEARCH_FLAG -F)
endforeach()
# To generate text-based stubs
set(CMAKE_CREATE_TEXT_STUBS "<CMAKE_TAPI> stubify -isysroot <CMAKE_OSX_SYSROOT> -o <TARGET_IMPLIB> <TARGET>")
# Defines LINK_LIBRARY features for frameworks
set(CMAKE_LINK_LIBRARY_USING_FRAMEWORK "LINKER:-framework,<LIBRARY>")
set(CMAKE_LINK_LIBRARY_USING_FRAMEWORK_SUPPORTED TRUE)
set(CMAKE_LINK_LIBRARY_USING_NEEDED_FRAMEWORK "LINKER:-needed_framework,<LIBRARY>")
set(CMAKE_LINK_LIBRARY_USING_NEEDED_FRAMEWORK_SUPPORTED TRUE)
set(CMAKE_LINK_LIBRARY_USING_REEXPORT_FRAMEWORK "LINKER:-reexport_framework,<LIBRARY>")
set(CMAKE_LINK_LIBRARY_USING_REEXPORT_FRAMEWORK_SUPPORTED TRUE)
set(CMAKE_LINK_LIBRARY_USING_WEAK_FRAMEWORK "LINKER:-weak_framework,<LIBRARY>")
set(CMAKE_LINK_LIBRARY_USING_WEAK_FRAMEWORK_SUPPORTED TRUE)
# Defines LINK_LIBRARY features for libraries
set(CMAKE_LINK_LIBRARY_USING_NEEDED_LIBRARY "PATH{LINKER:-needed_library <LIBRARY>}NAME{LINKER:-needed-l<LIBRARY>}")
set(CMAKE_LINK_LIBRARY_USING_NEEDED_LIBRARY_SUPPORTED TRUE)
set(CMAKE_LINK_LIBRARY_USING_REEXPORT_LIBRARY "PATH{LINKER:-reexport_library <LIBRARY>}NAME{LINKER:-reexport-l<LIBRARY>}")
set(CMAKE_LINK_LIBRARY_USING_REEXPORT_LIBRARY_SUPPORTED TRUE)
set(CMAKE_LINK_LIBRARY_USING_WEAK_LIBRARY "PATH{LINKER:-weak_library <LIBRARY>}NAME{LINKER:-weak-l<LIBRARY>}")
set(CMAKE_LINK_LIBRARY_USING_WEAK_LIBRARY_SUPPORTED TRUE)
# Defines LINK_LIBRARY feature to Force loading of all members of an archive
set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE "LINKER:-force_load <LIB_ITEM>")
set(CMAKE_LINK_LIBRARY_USING_WHOLE_ARCHIVE_SUPPORTED TRUE)
# 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
)
# add platform developer framework path if exists
foreach(_path
# Xcode 6
${_CMAKE_OSX_SYSROOT_PATH}/../../Library/Frameworks
# Xcode 5 iOS
${_CMAKE_OSX_SYSROOT_PATH}/Developer/Library/Frameworks
# Xcode 5 OSX
${_CMAKE_OSX_SYSROOT_PATH}/../../../../../Library/Frameworks
)
get_filename_component(_abolute_path "${_path}" ABSOLUTE)
if(EXISTS "${_abolute_path}")
list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH "${_abolute_path}")
break()
endif()
endforeach()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/lib)
endif()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
list(INSERT CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/lib)
endif()
endif()
if (OSX_DEVELOPER_ROOT AND EXISTS "${OSX_DEVELOPER_ROOT}/Library/Frameworks")
list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
${OSX_DEVELOPER_ROOT}/Library/Frameworks)
endif()
list(APPEND CMAKE_SYSTEM_FRAMEWORK_PATH
/Library/Frameworks
/Network/Library/Frameworks
/System/Library/Frameworks)
# Warn about known system mis-configuration case.
if(CMAKE_OSX_SYSROOT)
get_property(_IN_TC GLOBAL PROPERTY IN_TRY_COMPILE)
if(NOT _IN_TC AND
NOT IS_SYMLINK "${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_SYSTEM_NAME STREQUAL "Darwin" AND CMAKE_SYSTEM_PROCESSOR STREQUAL "arm64")
list(PREPEND CMAKE_SYSTEM_PREFIX_PATH
/opt/homebrew # Brew on Apple Silicon
)
endif()
if(_CMAKE_OSX_SYSROOT_PATH)
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr)
foreach(lang C CXX OBJC OBJCXX Swift)
list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/include)
endforeach()
endif()
if(EXISTS ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
list(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 ${_CMAKE_OSX_SYSROOT_PATH}/usr/local)
foreach(lang C CXX OBJC OBJCXX Swift)
list(APPEND _CMAKE_${lang}_IMPLICIT_INCLUDE_DIRECTORIES_INIT ${_CMAKE_OSX_SYSROOT_PATH}/usr/local/include)
endforeach()
endif()
endif()
list(APPEND CMAKE_SYSTEM_PREFIX_PATH
/sw # Fink
/opt/local # MacPorts
)