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cmake: Merge Apple platform auto-detect functions

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Makes it easier to see the interaction between the different
parts, and extract some of them to apply to a wider set of
platforms later on.

Change-Id: I3dd71dd6ad7a5b2870ab60bfbe4cf31be418bd8a
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Tor Arne Vestbø 2024-03-18 18:38:21 +01:00
parent b3e9e80719
commit 5e81a17b22
1 changed files with 50 additions and 56 deletions
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106
cmake/QtAutoDetectHelpers.cmake
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@ -177,7 +177,11 @@ function(qt_auto_detect_vcpkg)
endif()
endfunction()
function(qt_auto_detect_ios)
function(qt_auto_detect_apple)
if(NOT APPLE)
return()
endif()
if("${QT_QMAKE_TARGET_MKSPEC}" STREQUAL "macx-ios-clang")
set(CMAKE_SYSTEM_NAME "iOS" CACHE STRING "")
endif()
@ -238,6 +242,50 @@ function(qt_auto_detect_ios)
# needed though.
set(QT_DISABLE_RPATH "OFF" CACHE BOOL "Disable automatic Qt rpath handling." FORCE)
endif()
# If no CMAKE_OSX_DEPLOYMENT_TARGET is provided, default to a value that Qt defines.
# This replicates the behavior in mkspecs/common/macx.conf where
# QMAKE_MACOSX_DEPLOYMENT_TARGET is set.
set(description
"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked."
" Set to empty string for default value.")
if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
if(NOT CMAKE_SYSTEM_NAME)
# macOS
set(version "12.0")
elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
set(version "16.0")
endif()
if(version)
set(CMAKE_OSX_DEPLOYMENT_TARGET "${version}" CACHE STRING "${description}")
endif()
endif()
_qt_internal_get_apple_sdk_version(apple_sdk_version)
set(QT_MAC_SDK_VERSION "${apple_sdk_version}" CACHE STRING "Darwin SDK version.")
_qt_internal_get_xcode_version_raw(xcode_version_raw)
set(QT_MAC_XCODE_VERSION "${xcode_version_raw}" CACHE STRING "Xcode version.")
if(NOT CMAKE_SYSTEM_NAME)
# macOS
list(LENGTH CMAKE_OSX_ARCHITECTURES arch_count)
if(arch_count GREATER 0)
foreach(arch ${CMAKE_OSX_ARCHITECTURES})
if(arch STREQUAL "arm64e")
message(WARNING "Applications built against an arm64e Qt architecture will "
"likely fail to run on Apple Silicon. Consider targeting "
"'arm64' instead.")
endif()
endforeach()
endif()
set(is_universal "OFF")
if(arch_count GREATER 1)
set(is_universal "ON")
endif()
set(QT_IS_MACOS_UNIVERSAL "${is_universal}" CACHE INTERNAL "Build universal Qt for macOS")
endif()
endfunction()
function(qt_auto_detect_cmake_config)
@ -282,58 +330,6 @@ function(qt_auto_detect_cyclic_toolchain)
endif()
endfunction()
function(qt_auto_detect_darwin)
if(APPLE)
# If no CMAKE_OSX_DEPLOYMENT_TARGET is provided, default to a value that Qt defines.
# This replicates the behavior in mkspecs/common/macx.conf where
# QMAKE_MACOSX_DEPLOYMENT_TARGET is set.
set(description
"Minimum OS X version to target for deployment (at runtime); newer APIs weak linked."
" Set to empty string for default value.")
if(NOT CMAKE_OSX_DEPLOYMENT_TARGET)
if(NOT CMAKE_SYSTEM_NAME)
# macOS
set(version "12.0")
elseif(CMAKE_SYSTEM_NAME STREQUAL iOS)
set(version "16.0")
endif()
if(version)
set(CMAKE_OSX_DEPLOYMENT_TARGET "${version}" CACHE STRING "${description}")
endif()
endif()
_qt_internal_get_apple_sdk_version(apple_sdk_version)
set(QT_MAC_SDK_VERSION "${apple_sdk_version}" CACHE STRING "Darwin SDK version.")
_qt_internal_get_xcode_version_raw(xcode_version_raw)
set(QT_MAC_XCODE_VERSION "${xcode_version_raw}" CACHE STRING "Xcode version.")
list(LENGTH CMAKE_OSX_ARCHITECTURES arch_count)
if(NOT CMAKE_SYSTEM_NAME STREQUAL iOS AND arch_count GREATER 0)
foreach(arch ${CMAKE_OSX_ARCHITECTURES})
if(arch STREQUAL "arm64e")
message(WARNING "Applications built against an arm64e Qt architecture will "
"likely fail to run on Apple Silicon. Consider targeting "
"'arm64' instead.")
endif()
endforeach()
endif()
endif()
endfunction()
function(qt_auto_detect_macos_universal)
if(APPLE AND NOT CMAKE_SYSTEM_NAME STREQUAL iOS)
list(LENGTH CMAKE_OSX_ARCHITECTURES arch_count)
set(is_universal "OFF")
if(arch_count GREATER 1)
set(is_universal "ON")
endif()
set(QT_IS_MACOS_UNIVERSAL "${is_universal}" CACHE INTERNAL "Build universal Qt for macOS")
endif()
endfunction()
function(qt_auto_detect_pch)
set(default_value "ON")
@ -476,9 +472,7 @@ macro(qt_internal_setup_autodetect)
qt_auto_detect_cyclic_toolchain()
qt_auto_detect_cmake_config()
qt_auto_detect_macos_universal()
qt_auto_detect_ios()
qt_auto_detect_darwin()
qt_auto_detect_apple()
qt_auto_detect_android()
qt_auto_detect_pch()
qt_auto_detect_wasm()