mirror of
https://github.com/ZDoom/zdoom-macos-deps.git
synced 2024-12-13 13:51:05 +00:00
319 lines
12 KiB
CMake
319 lines
12 KiB
CMake
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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 ${_stdout})
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elseif(IS_DIRECTORY "/Developer")
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set(OSX_DEVELOPER_ROOT "/Developer")
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else()
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set(OSX_DEVELOPER_ROOT "")
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endif()
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execute_process(COMMAND sw_vers -productVersion
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OUTPUT_VARIABLE CURRENT_OSX_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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# Save CMAKE_OSX_ARCHITECTURES from the environment.
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set(CMAKE_OSX_ARCHITECTURES "$ENV{CMAKE_OSX_ARCHITECTURES}" CACHE STRING
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"Build architectures for OSX")
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if(NOT CMAKE_CROSSCOMPILING AND
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CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND
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CMAKE_HOST_SYSTEM_PROCESSOR MATCHES "^(arm64|x86_64)$")
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execute_process(COMMAND sysctl -q hw.optional.arm64
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OUTPUT_VARIABLE _sysctl_stdout
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ERROR_VARIABLE _sysctl_stderr
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RESULT_VARIABLE _sysctl_result
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)
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# When building on an Apple Silicon host, we need to explicitly specify
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# the architecture to the toolchain since it will otherwise guess the
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# architecture based on that of the build system tool.
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# Set an *internal variable* to tell the generators to do this.
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if(_sysctl_result EQUAL 0 AND _sysctl_stdout MATCHES "hw.optional.arm64: 1")
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set(_CMAKE_APPLE_ARCHS_DEFAULT "${CMAKE_HOST_SYSTEM_PROCESSOR}")
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endif()
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unset(_sysctl_result)
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unset(_sysctl_stderr)
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unset(_sysctl_stdout)
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endif()
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# macOS, iOS, tvOS, and watchOS should lookup compilers from
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# Platform/Apple-${CMAKE_CXX_COMPILER_ID}-<LANG>
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set(CMAKE_EFFECTIVE_SYSTEM_NAME "Apple")
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#----------------------------------------------------------------------------
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# _CURRENT_OSX_VERSION - as a two-component string: 10.5, 10.6, ...
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#
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string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*$" "\\1"
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_CURRENT_OSX_VERSION "${CURRENT_OSX_VERSION}")
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#----------------------------------------------------------------------------
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# CMAKE_OSX_DEPLOYMENT_TARGET
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND _CURRENT_OSX_VERSION VERSION_GREATER 10.3)
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set(CMAKE_OSX_DEPLOYMENT_TARGET "$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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if(CMAKE_OSX_SYSROOT)
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# Use the existing value without further computation to choose a default.
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set(_CMAKE_OSX_SYSROOT_DEFAULT "${CMAKE_OSX_SYSROOT}")
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elseif(NOT "x$ENV{SDKROOT}" STREQUAL "x" AND
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(NOT "x$ENV{SDKROOT}" MATCHES "/" OR IS_DIRECTORY "$ENV{SDKROOT}"))
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# Use the value of SDKROOT from the environment.
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set(_CMAKE_OSX_SYSROOT_DEFAULT "$ENV{SDKROOT}")
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elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
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set(_CMAKE_OSX_SYSROOT_DEFAULT "iphoneos")
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elseif(CMAKE_SYSTEM_NAME STREQUAL tvOS)
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set(_CMAKE_OSX_SYSROOT_DEFAULT "appletvos")
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elseif(CMAKE_SYSTEM_NAME STREQUAL watchOS)
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set(_CMAKE_OSX_SYSROOT_DEFAULT "watchos")
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elseif("${CMAKE_GENERATOR}" MATCHES Xcode
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OR CMAKE_OSX_DEPLOYMENT_TARGET
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OR CMAKE_OSX_ARCHITECTURES MATCHES "[^;]"
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OR NOT EXISTS "/usr/include/sys/types.h")
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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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# Find the latest SDK as recommended by Apple (Technical Q&A QA1806)
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set(_CMAKE_OSX_LATEST_SDK_VERSION "0.0")
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file(GLOB _CMAKE_OSX_SDKS RELATIVE "${_CMAKE_OSX_SDKS_DIR}" "${_CMAKE_OSX_SDKS_DIR}/MacOSX*.sdk")
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foreach(_SDK ${_CMAKE_OSX_SDKS})
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if(IS_DIRECTORY "${_CMAKE_OSX_SDKS_DIR}/${_SDK}"
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AND _SDK MATCHES "MacOSX([0-9]+\\.[0-9]+)[^/]*\\.sdk"
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AND CMAKE_MATCH_1 VERSION_GREATER ${_CMAKE_OSX_LATEST_SDK_VERSION})
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set(_CMAKE_OSX_LATEST_SDK_VERSION "${CMAKE_MATCH_1}")
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endif()
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endforeach()
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if(NOT _CMAKE_OSX_LATEST_SDK_VERSION STREQUAL "0.0")
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set(_CMAKE_OSX_SYSROOT_DEFAULT "${_CMAKE_OSX_SDKS_DIR}/MacOSX${_CMAKE_OSX_LATEST_SDK_VERSION}.sdk")
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else()
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message(WARNING "Could not find any valid SDKs in ${_CMAKE_OSX_SDKS_DIR}")
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endif()
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if(NOT CMAKE_CROSSCOMPILING AND NOT CMAKE_OSX_DEPLOYMENT_TARGET
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AND (_CURRENT_OSX_VERSION VERSION_LESS _CMAKE_OSX_LATEST_SDK_VERSION
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OR _CMAKE_OSX_LATEST_SDK_VERSION STREQUAL "0.0"))
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set(CMAKE_OSX_DEPLOYMENT_TARGET ${_CURRENT_OSX_VERSION} CACHE STRING
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"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked. Set to empty string for default value." FORCE)
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endif()
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else()
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# Assume developer files are in root (such as Xcode 4.5 command-line tools).
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set(_CMAKE_OSX_SYSROOT_DEFAULT "")
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endif()
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endif()
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# Set cache variable - end user may change this during ccmake or cmake-gui configure.
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# Choose the type based on the current value.
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set(_CMAKE_OSX_SYSROOT_TYPE STRING)
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foreach(_v CMAKE_OSX_SYSROOT _CMAKE_OSX_SYSROOT_DEFAULT)
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if("x${${_v}}" MATCHES "/")
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set(_CMAKE_OSX_SYSROOT_TYPE PATH)
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break()
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endif()
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endforeach()
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set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_DEFAULT}" CACHE ${_CMAKE_OSX_SYSROOT_TYPE}
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"The product will be built against the headers and libraries located inside the indicated SDK.")
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# Resolves the SDK name into a path
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function(_apple_resolve_sdk_path sdk_name ret)
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execute_process(
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COMMAND xcrun -sdk ${sdk_name} --show-sdk-path
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OUTPUT_VARIABLE _stdout
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE _stderr
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RESULT_VARIABLE _failed
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)
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set(${ret} "${_stdout}" PARENT_SCOPE)
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endfunction()
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function(_apple_resolve_supported_archs_for_sdk_from_system_lib sdk_path ret ret_failed)
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# Detect the supported SDK architectures by inspecting the main libSystem library.
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set(common_lib_prefix "${sdk_path}/usr/lib/libSystem")
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set(system_lib_dylib_path "${common_lib_prefix}.dylib")
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set(system_lib_tbd_path "${common_lib_prefix}.tbd")
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# Newer SDKs ship text based dylib stub files which contain the architectures supported by the
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# library in text form.
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if(EXISTS "${system_lib_tbd_path}")
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file(STRINGS "${system_lib_tbd_path}" tbd_lines REGEX "^(archs|targets): +\\[.+\\]")
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if(NOT tbd_lines)
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set(${ret_failed} TRUE PARENT_SCOPE)
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return()
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endif()
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# The tbd architectures line looks like the following:
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# archs: [ armv7, armv7s, arm64, arm64e ]
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# or for version 4 TBD files:
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# targets: [ armv7-ios, armv7s-ios, arm64-ios, arm64e-ios ]
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list(GET tbd_lines 0 first_arch_line)
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string(REGEX REPLACE
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"(archs|targets): +\\[ (.+) \\]" "\\2" arches_comma_separated "${first_arch_line}")
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string(STRIP "${arches_comma_separated}" arches_comma_separated)
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string(REPLACE "," ";" arch_list "${arches_comma_separated}")
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string(REPLACE " " "" arch_list "${arch_list}")
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# Remove -platform suffix from target (version 4 only)
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string(REGEX REPLACE "-[a-z-]+" "" arch_list "${arch_list}")
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if(NOT arch_list)
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set(${ret_failed} TRUE PARENT_SCOPE)
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return()
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endif()
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set(${ret} "${arch_list}" PARENT_SCOPE)
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elseif(EXISTS "${system_lib_dylib_path}")
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# Old SDKs (Xcode < 7) ship dylib files, use lipo to inspect the supported architectures.
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# Can't use -archs because the option is not available in older Xcode versions.
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execute_process(
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COMMAND lipo -info ${system_lib_dylib_path}
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OUTPUT_VARIABLE lipo_output
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OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE _stderr
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RESULT_VARIABLE _failed
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)
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if(_failed OR NOT lipo_output OR NOT lipo_output MATCHES "(Non-fat file:|Architectures in the fat file:)")
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set(${ret_failed} TRUE PARENT_SCOPE)
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return()
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endif()
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# The lipo output looks like the following:
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# Non-fat file: <path> is architecture: i386
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# Architectures in the fat file: <path> are: i386 x86_64
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string(REGEX REPLACE
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"^(.+)is architecture:(.+)" "\\2" arches_space_separated "${lipo_output}")
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string(REGEX REPLACE
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"^(.+)are:(.+)" "\\2" arches_space_separated "${arches_space_separated}")
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# Need to clean up the arches, with Xcode 4.6.3 the output of lipo -info contains some
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# additional info, e.g.
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# Architectures in the fat file: <path> are: armv7 (cputype (12) cpusubtype (11))
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string(REGEX REPLACE
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"\\(.+\\)" "" arches_space_separated "${arches_space_separated}")
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# The output is space separated.
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string(STRIP "${arches_space_separated}" arches_space_separated)
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string(REPLACE " " ";" arch_list "${arches_space_separated}")
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if(NOT arch_list)
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set(${ret_failed} TRUE PARENT_SCOPE)
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return()
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endif()
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set(${ret} "${arch_list}" PARENT_SCOPE)
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else()
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# This shouldn't happen, but keep it for safety.
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message(WARNING "No way to find architectures for given sdk_path '${sdk_path}'")
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set(${ret_failed} TRUE PARENT_SCOPE)
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endif()
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endfunction()
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# Handle multi-arch sysroots. Do this before CMAKE_OSX_SYSROOT is
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# transformed into a path, so that we know the sysroot name.
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function(_apple_resolve_multi_arch_sysroots)
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if(DEFINED CMAKE_APPLE_ARCH_SYSROOTS)
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return() # Already cached
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endif()
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list(LENGTH CMAKE_OSX_ARCHITECTURES _num_archs)
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if(NOT (_num_archs GREATER 1))
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return() # Only apply to multi-arch
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endif()
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if(CMAKE_OSX_SYSROOT STREQUAL "macosx")
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# macOS doesn't have a simulator sdk / sysroot, so there is no need to handle per-sdk arches.
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return()
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endif()
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if(IS_DIRECTORY "${CMAKE_OSX_SYSROOT}")
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if(NOT CMAKE_OSX_SYSROOT STREQUAL _CMAKE_OSX_SYSROOT_DEFAULT)
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message(WARNING "Can not resolve multi-arch sysroots with CMAKE_OSX_SYSROOT set to path (${CMAKE_OSX_SYSROOT})")
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endif()
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return()
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endif()
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string(REPLACE "os" "simulator" _simulator_sdk ${CMAKE_OSX_SYSROOT})
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set(_sdks "${CMAKE_OSX_SYSROOT};${_simulator_sdk}")
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foreach(sdk ${_sdks})
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_apple_resolve_sdk_path(${sdk} _sdk_path)
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if(NOT IS_DIRECTORY "${_sdk_path}")
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message(WARNING "Failed to resolve SDK path for '${sdk}'")
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continue()
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endif()
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_apple_resolve_supported_archs_for_sdk_from_system_lib(${_sdk_path} _sdk_archs _failed)
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if(_failed)
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# Failure to extract supported architectures for an SDK means that the installed SDK is old
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# and does not provide such information (SDKs that come with Xcode >= 10.x started providing
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# the information). In such a case, return early, and handle multi-arch builds the old way
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# (no per-sdk arches).
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return()
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endif()
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set(_sdk_archs_${sdk} ${_sdk_archs})
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set(_sdk_path_${sdk} ${_sdk_path})
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endforeach()
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foreach(arch ${CMAKE_OSX_ARCHITECTURES})
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set(_arch_sysroot "")
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foreach(sdk ${_sdks})
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list(FIND _sdk_archs_${sdk} ${arch} arch_index)
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if(NOT arch_index EQUAL -1)
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set(_arch_sysroot ${_sdk_path_${sdk}})
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break()
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endif()
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endforeach()
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if(_arch_sysroot)
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list(APPEND _arch_sysroots ${_arch_sysroot})
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else()
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message(WARNING "No SDK found for architecture '${arch}'")
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list(APPEND _arch_sysroots "${arch}-SDK-NOTFOUND")
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endif()
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endforeach()
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set(CMAKE_APPLE_ARCH_SYSROOTS "${_arch_sysroots}" CACHE INTERNAL
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"Architecture dependent sysroots, one per CMAKE_OSX_ARCHITECTURES")
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endfunction()
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_apple_resolve_multi_arch_sysroots()
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# Transform CMAKE_OSX_SYSROOT to absolute path
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set(_CMAKE_OSX_SYSROOT_PATH "")
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if(CMAKE_OSX_SYSROOT)
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if("x${CMAKE_OSX_SYSROOT}" MATCHES "/")
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# This is a path to the SDK. Make sure it exists.
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if(NOT IS_DIRECTORY "${CMAKE_OSX_SYSROOT}")
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message(WARNING "Ignoring CMAKE_OSX_SYSROOT value:\n ${CMAKE_OSX_SYSROOT}\n"
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|
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"because the directory does not exist.")
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set(CMAKE_OSX_SYSROOT "")
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endif()
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set(_CMAKE_OSX_SYSROOT_PATH "${CMAKE_OSX_SYSROOT}")
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else()
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_apple_resolve_sdk_path(${CMAKE_OSX_SYSROOT} _sdk_path)
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|
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if(IS_DIRECTORY "${_sdk_path}")
|
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set(_CMAKE_OSX_SYSROOT_PATH "${_sdk_path}")
|
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# For non-Xcode generators use the path.
|
||
|
|
if(NOT "${CMAKE_GENERATOR}" MATCHES "Xcode")
|
||
|
|
set(CMAKE_OSX_SYSROOT "${_CMAKE_OSX_SYSROOT_PATH}")
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
endif()
|
||
|
|
endif()
|