path: root/nixpkgs/pkgs/development/libraries/qt-6/patches/0002-qtbase-qmake-fix-mkspecs-for-darwin.patch

From a804a9b1efdab0a71b9947e5c2bf9f6f5e316e0e Mon Sep 17 00:00:00 2001
From: Nick Cao <nickcao@nichi.co>
Date: Fri, 14 Apr 2023 21:43:04 +0800
Subject: [PATCH 02/11] qtbase: qmake: fix mkspecs for darwin

---
 mkspecs/common/mac.conf               |   2 +-
 mkspecs/features/mac/default_post.prf | 263 --------------------------
 mkspecs/features/mac/default_pre.prf  |  58 ------
 mkspecs/features/mac/sdk.mk           |  27 ---
 mkspecs/features/mac/sdk.prf          |  61 ------
 mkspecs/features/mac/toolchain.prf    |   5 -
 6 files changed, 1 insertion(+), 415 deletions(-)

diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
index 61bea952b22..9909dae7260 100644
--- a/mkspecs/common/mac.conf
+++ b/mkspecs/common/mac.conf
@@ -23,7 +23,7 @@ QMAKE_INCDIR_OPENGL     = \
 
 QMAKE_FIX_RPATH         = install_name_tool -id
 
-QMAKE_LFLAGS_RPATH      = -Wl,-rpath,
+QMAKE_LFLAGS_RPATH      =
 QMAKE_LFLAGS_GCSECTIONS = -Wl,-dead_strip
 
 QMAKE_LFLAGS_REL_RPATH  =
diff --git a/mkspecs/features/mac/default_post.prf b/mkspecs/features/mac/default_post.prf
index f364716717c..3b40328304d 100644
--- a/mkspecs/features/mac/default_post.prf
+++ b/mkspecs/features/mac/default_post.prf
@@ -1,9 +1,5 @@
 load(default_post)
 
-# Recompute SDK version in case the user set it explicitly
-sdk_version = $$QMAKE_MAC_SDK_VERSION
-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
-
 contains(TEMPLATE, .*app) {
     !macx-xcode:if(isEmpty(BUILDS)|build_pass) {
         # Detect changes to the platform SDK
@@ -15,269 +11,10 @@ contains(TEMPLATE, .*app) {
 
         QMAKE_EXTRA_INCLUDES += $$shell_quote($$PWD/sdk.mk)
     }
-
-    # Detect incompatible SDK versions
-
-    isEmpty(QT_MAC_SDK_VERSION_MIN): \
-        QT_MAC_SDK_VERSION_MIN = $$QT_MAC_SDK_VERSION
-
-    !versionAtLeast(QMAKE_MAC_SDK_VERSION, $$QT_MAC_SDK_VERSION_MIN): \
-        warning("Qt requires at least version $$QT_MAC_SDK_VERSION_MIN of the platform SDK," \
-              "you're building against version $${QMAKE_MAC_SDK_VERSION}. Please upgrade.")
-
-    !isEmpty(QT_MAC_SDK_VERSION_MAX) {
-        # For Qt developers only
-        !isEmpty($$list($$(QT_MAC_SDK_NO_VERSION_CHECK))): \
-            CONFIG += sdk_no_version_check
-
-        QMAKE_MAC_SDK_MAJOR_VERSION = $$replace(QMAKE_MAC_SDK_VERSION, "(\\d+)(\\.\\d+)(\\.\\d+)?", \\1)
-
-        !sdk_no_version_check:!versionAtMost(QMAKE_MAC_SDK_MAJOR_VERSION, $$QT_MAC_SDK_VERSION_MAX) {
-            warning("Qt has only been tested with version $$QT_MAC_SDK_VERSION_MAX"\
-                    "of the platform SDK, you're using $${QMAKE_MAC_SDK_MAJOR_VERSION}.")
-            warning("This is an unsupported configuration. You may experience build issues," \
-                    "and by using")
-            warning("the $$QMAKE_MAC_SDK_VERSION SDK you are opting in to new features" \
-                    "that Qt has not been prepared for.")
-
-            warning("Please downgrade the SDK you use to build your app to version" \
-                    "$$QT_MAC_SDK_VERSION_MAX, or configure")
-            warning("with CONFIG+=sdk_no_version_check when running qmake" \
-                    "to silence this warning.")
-        }
-    }
 }
 
 !no_objective_c:CONFIG += objective_c
 
-# Add the same default rpaths as Xcode does for new projects.
-# This is especially important for iOS/tvOS/watchOS where no other option is possible.
-!no_default_rpath {
-    uikit: QMAKE_RPATHDIR += @executable_path/Frameworks
-    else: QMAKE_RPATHDIR += @executable_path/../Frameworks
-    equals(TEMPLATE, lib):!plugin:lib_bundle: QMAKE_RPATHDIR += @loader_path/Frameworks
-}
-
-# Don't pass -headerpad_max_install_names when using Bitcode.
-# In that case the linker emits a warning stating that the flag is ignored when
-# used with bitcode, for reasons that cannot be determined (rdar://problem/20748962).
-# Using this flag is also unnecessary in practice on UIKit platforms since they
-# are sandboxed, and only UIKit platforms support bitcode to begin with.
-!bitcode: QMAKE_LFLAGS += $$QMAKE_LFLAGS_HEADERPAD
-
-app_extension_api_only {
-    QMAKE_CFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
-    QMAKE_CXXFLAGS            += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
-    QMAKE_CXXFLAGS_PRECOMPILE += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
-    QMAKE_LFLAGS              += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
-}
-
-macos {
-    !isEmpty(QMAKE_APPLE_DEVICE_ARCHS) {
-        # If the user has requested a specific set of architectures,
-        # build all of those by default, but limited to only those.
-        CONFIG -= only_active_arch
-    } else {
-        # Otherwise allow building all of the architectures available
-        # in Qt, but only build the active arch (unless the user has
-        # manually overridden this via CONFIG -= only_active_arch).
-        QMAKE_APPLE_DEVICE_ARCHS = $$QT_ARCHS
-    }
-}
-
-macx-xcode {
-    qmake_pkginfo_typeinfo.name = QMAKE_PKGINFO_TYPEINFO
-    !isEmpty(QMAKE_PKGINFO_TYPEINFO): \
-        qmake_pkginfo_typeinfo.value = $$QMAKE_PKGINFO_TYPEINFO
-    else: \
-        qmake_pkginfo_typeinfo.value = "????"
-    QMAKE_MAC_XCODE_SETTINGS += qmake_pkginfo_typeinfo
-
-    bundle_version = $$VERSION
-    isEmpty(bundle_version): bundle_version = 1.0.0
-
-    l = $$split(bundle_version, '.') 0 0  # make sure there are at least three
-    VER_MAJ = $$member(l, 0, 0)
-    VER_MIN = $$member(l, 1, 1)
-    VER_PAT = $$member(l, 2, 2)
-    unset(l)
-
-    qmake_full_version.name = QMAKE_FULL_VERSION
-    qmake_full_version.value = $${VER_MAJ}.$${VER_MIN}.$${VER_PAT}
-    QMAKE_MAC_XCODE_SETTINGS += qmake_full_version
-
-    qmake_short_version.name = QMAKE_SHORT_VERSION
-    qmake_short_version.value = $${VER_MAJ}.$${VER_MIN}
-    QMAKE_MAC_XCODE_SETTINGS += qmake_short_version
-
-    !isEmpty(QMAKE_XCODE_DEBUG_INFORMATION_FORMAT) {
-        debug_information_format.name = DEBUG_INFORMATION_FORMAT
-        debug_information_format.value = $$QMAKE_XCODE_DEBUG_INFORMATION_FORMAT
-        debug_information_format.build = debug
-        QMAKE_MAC_XCODE_SETTINGS += debug_information_format
-    }
-
-    QMAKE_XCODE_ARCHS =
-
-    arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
-    arch_device.value = $$QMAKE_APPLE_DEVICE_ARCHS
-    QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_DEVICE_ARCHS
-    QMAKE_MAC_XCODE_SETTINGS += arch_device
-
-    ios:simulator {
-        arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
-        arch_simulator.value = $$QMAKE_APPLE_SIMULATOR_ARCHS
-        QMAKE_XCODE_ARCHS += $$QMAKE_APPLE_SIMULATOR_ARCHS
-        QMAKE_MAC_XCODE_SETTINGS += arch_simulator
-    }
-
-    only_active_arch.name = ONLY_ACTIVE_ARCH
-    only_active_arch.value = YES
-    only_active_arch.build = debug
-    QMAKE_MAC_XCODE_SETTINGS += only_active_arch
-} else {
-    device|!simulator: VALID_DEVICE_ARCHS = $$QMAKE_APPLE_DEVICE_ARCHS
-    ios:simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
-    VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
-
-    single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
-
-    macos {
-        only_active_arch: DEFAULT_ARCHS = $$system("uname -m")
-        else: DEFAULT_ARCHS = $$VALID_ARCHS
-    }
-
-    ARCHS = $(filter $(EXPORT_VALID_ARCHS), \
-        $(if $(ARCHS), $(ARCHS), \
-            $(if $(EXPORT_DEFAULT_ARCHS), $(EXPORT_DEFAULT_ARCHS), \
-        $(EXPORT_VALID_ARCHS))))
-    ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ARCHS), $(EXPORT_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
-
-    QMAKE_EXTRA_VARIABLES += VALID_ARCHS DEFAULT_ARCHS ARCHS ARCH_ARGS
-
-    arch_flags = $(EXPORT_ARCH_ARGS)
-
-    QMAKE_CFLAGS += $$arch_flags
-    QMAKE_CXXFLAGS += $$arch_flags
-    QMAKE_LFLAGS += $$arch_flags
-
-    QMAKE_PCH_ARCHS = $$VALID_ARCHS
-
-    macos: deployment_target = $$QMAKE_MACOSX_DEPLOYMENT_TARGET
-    ios: deployment_target = $$QMAKE_IOS_DEPLOYMENT_TARGET
-    tvos: deployment_target = $$QMAKE_TVOS_DEPLOYMENT_TARGET
-    watchos: deployment_target = $$QMAKE_WATCHOS_DEPLOYMENT_TARGET
-
-    # If we're doing a simulator and device build, device and simulator
-    # architectures use different paths and flags for the sysroot and
-    # deployment target switch, so we must multiplex them across multiple
-    # architectures using -Xarch. Otherwise we fall back to the simple path.
-    # This is not strictly necessary, but results in cleaner command lines
-    # and makes it easier for people to override EXPORT_VALID_ARCHS to limit
-    # individual rules to a different set of architecture(s) from the overall
-    # build (such as machtest in QtCore).
-    ios:simulator:device {
-        QMAKE_XARCH_CFLAGS =
-        QMAKE_XARCH_LFLAGS =
-        QMAKE_EXTRA_VARIABLES += QMAKE_XARCH_CFLAGS QMAKE_XARCH_LFLAGS
-
-        for (arch, VALID_ARCHS) {
-            contains(VALID_SIMULATOR_ARCHS, $$arch) {
-                sdk = $$simulator.sdk
-                version_identifier = $$simulator.deployment_identifier
-                platform_identifier = $$simulator.sdk
-            } else {
-                sdk = $$device.sdk
-                version_identifier = $$device.deployment_identifier
-                platform_identifier = $$device.sdk
-            }
-
-            version_min_flags = \
-                -Xarch_$${arch} \
-                -m$${version_identifier}-version-min=$$deployment_target
-            QMAKE_XARCH_CFLAGS_$${arch} = $$version_min_flags \
-                -Xarch_$${arch} \
-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
-            QMAKE_XARCH_LFLAGS_$${arch} = $$version_min_flags \
-                -Xarch_$${arch} \
-                -isysroot$$xcodeSDKInfo(Path, $$sdk)
-
-            QMAKE_XARCH_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS_$${arch})
-            QMAKE_XARCH_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS_$${arch})
-
-            QMAKE_EXTRA_VARIABLES += \
-                QMAKE_XARCH_CFLAGS_$${arch} \
-                QMAKE_XARCH_LFLAGS_$${arch}
-        }
-
-        QMAKE_CFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
-        QMAKE_CXXFLAGS += $(EXPORT_QMAKE_XARCH_CFLAGS)
-        QMAKE_LFLAGS += $(EXPORT_QMAKE_XARCH_LFLAGS)
-    } else {
-        ios:simulator {
-            version_identifier = $$simulator.deployment_identifier
-            platform_identifier = $$simulator.sdk
-            sysroot_path  = $$xcodeSDKInfo(Path, $$simulator.sdk)
-        } else {
-            version_identifier = $$device.deployment_identifier
-            platform_identifier = $$device.sdk
-            sysroot_path  = $$xcodeSDKInfo(Path, $$device.sdk)
-        }
-        version_min_flag = -m$${version_identifier}-version-min=$$deployment_target
-        QMAKE_CFLAGS += -isysroot $$sysroot_path $$version_min_flag
-        QMAKE_CXXFLAGS += -isysroot $$sysroot_path $$version_min_flag
-        QMAKE_LFLAGS += -isysroot $$sysroot_path $$version_min_flag
-    }
-
-    # Enable precompiled headers for multiple architectures
-    QMAKE_CFLAGS_USE_PRECOMPILE =
-    for (arch, VALID_ARCHS) {
-        icc_pch_style: \
-            use_flag = "-pch-use "
-        else: \
-            use_flag = -include
-
-        # Only use Xarch with multi-arch, as the option confuses ccache
-        count(VALID_ARCHS, 1, greaterThan): \
-            QMAKE_CFLAGS_USE_PRECOMPILE += \
-                -Xarch_$${arch}
-
-        QMAKE_CFLAGS_USE_PRECOMPILE += \
-            $${use_flag}${QMAKE_PCH_OUTPUT_$${arch}}
-    }
-    icc_pch_style {
-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE -include ${QMAKE_PCH_INPUT}
-        QMAKE_CFLAGS_USE_PRECOMPILE =
-    } else {
-        QMAKE_CXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
-        QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
-        QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
-    }
-
-    QMAKE_PCH_OUTPUT_EXT = _${QMAKE_PCH_ARCH}$${QMAKE_PCH_OUTPUT_EXT}
-}
-
-!equals(sdk_version, $$QMAKE_MAC_SDK_VERSION) {
-    # Explicit SDK version has been set, respect that
-    QMAKE_LFLAGS += -Wl,-sdk_version -Wl,$$sdk_version
-}
-
-cache(QMAKE_XCODE_DEVELOPER_PATH, stash)
-!isEmpty(QMAKE_XCODE_VERSION): \
-    cache(QMAKE_XCODE_VERSION, stash)
-
-QMAKE_XCODE_LIBRARY_SUFFIX = $$qtPlatformTargetSuffix()
-
-xcode_product_bundle_identifier_setting.name = PRODUCT_BUNDLE_IDENTIFIER
-xcode_product_bundle_identifier_setting.value = $$QMAKE_TARGET_BUNDLE_PREFIX
-isEmpty(xcode_product_bundle_identifier_setting.value): \
-    xcode_product_bundle_identifier_setting.value = "com.yourcompany"
-xcode_product_bundle_target = $$QMAKE_BUNDLE
-isEmpty(xcode_product_bundle_target): \
-    xcode_product_bundle_target = ${PRODUCT_NAME:rfc1034identifier}
-xcode_product_bundle_identifier_setting.value = "$${xcode_product_bundle_identifier_setting.value}.$${xcode_product_bundle_target}"
-QMAKE_MAC_XCODE_SETTINGS += xcode_product_bundle_identifier_setting
-
 !macx-xcode {
     generate_xcode_project.commands = @$(QMAKE) -spec macx-xcode \"$(EXPORT__PRO_FILE_)\" $$QMAKE_ARGS
     generate_xcode_project.target = xcodeproj
diff --git a/mkspecs/features/mac/default_pre.prf b/mkspecs/features/mac/default_pre.prf
index e3534561a56..3b01424e67b 100644
--- a/mkspecs/features/mac/default_pre.prf
+++ b/mkspecs/features/mac/default_pre.prf
@@ -1,60 +1,2 @@
 CONFIG = asset_catalogs rez $$CONFIG
 load(default_pre)
-
-isEmpty(QMAKE_XCODE_DEVELOPER_PATH) {
-    # Get path of Xcode's Developer directory
-    QMAKE_XCODE_DEVELOPER_PATH = $$system("/usr/bin/xcode-select --print-path 2>/dev/null")
-    isEmpty(QMAKE_XCODE_DEVELOPER_PATH): \
-        error("Xcode path is not set. Please use xcode-select to choose Xcode installation path.")
-
-    # Make sure Xcode path is valid
-    !exists($$QMAKE_XCODE_DEVELOPER_PATH): \
-        error("Xcode is not installed in $${QMAKE_XCODE_DEVELOPER_PATH}. Please use xcode-select to choose Xcode installation path.")
-}
-
-isEmpty(QMAKE_XCODEBUILD_PATH): \
-    QMAKE_XCODEBUILD_PATH = $$system("/usr/bin/xcrun -find xcodebuild 2>/dev/null")
-
-!isEmpty(QMAKE_XCODEBUILD_PATH) {
-    # Make sure Xcode is set up properly
-    !system("/usr/bin/xcrun xcodebuild -license check 2>/dev/null"): \
-        error("Xcode not set up properly. You need to confirm the license agreement by running 'sudo xcrun xcodebuild -license accept'.")
-
-    isEmpty(QMAKE_XCODE_VERSION) {
-        # Extract Xcode version using xcodebuild
-        xcode_version = $$system("/usr/bin/xcrun xcodebuild -version")
-        QMAKE_XCODE_VERSION = $$member(xcode_version, 1)
-        isEmpty(QMAKE_XCODE_VERSION): error("Could not resolve Xcode version.")
-        unset(xcode_version)
-    }
-}
-
-isEmpty(QMAKE_TARGET_BUNDLE_PREFIX) {
-    QMAKE_XCODE_PREFERENCES_FILE = $$(HOME)/Library/Preferences/com.apple.dt.Xcode.plist
-    exists($$QMAKE_XCODE_PREFERENCES_FILE): \
-        QMAKE_TARGET_BUNDLE_PREFIX = $$system("/usr/libexec/PlistBuddy -c 'print IDETemplateOptions:bundleIdentifierPrefix' $$QMAKE_XCODE_PREFERENCES_FILE 2>/dev/null")
-
-    !isEmpty(_QMAKE_CACHE_):!isEmpty(QMAKE_TARGET_BUNDLE_PREFIX): \
-        cache(QMAKE_TARGET_BUNDLE_PREFIX)
-}
-
-QMAKE_ASSET_CATALOGS_APP_ICON = AppIcon
-
-# Make the default debug info format for static debug builds
-# DWARF instead of DWARF with dSYM. This cuts down build times
-# for application debug builds significantly, as Xcode doesn't
-# have to pull out all the DWARF info from the Qt static libs
-# and put it into a dSYM file. We don't need that dSYM file in
-# the first place, since the information is available in the
-# object files inside the archives (static libraries).
-macx-xcode:qtConfig(static): \
-    QMAKE_XCODE_DEBUG_INFORMATION_FORMAT = dwarf
-
-# This variable is used by the xcode_dynamic_library_suffix
-# feature, which allows Xcode to choose the Qt libraries to link to
-# at build time, depending on the current Xcode SDK and configuration.
-QMAKE_XCODE_LIBRARY_SUFFIX_SETTING = QT_LIBRARY_SUFFIX
-
-xcode_copy_phase_strip_setting.name = COPY_PHASE_STRIP
-xcode_copy_phase_strip_setting.value = NO
-QMAKE_MAC_XCODE_SETTINGS += xcode_copy_phase_strip_setting
diff --git a/mkspecs/features/mac/sdk.mk b/mkspecs/features/mac/sdk.mk
index a32ceacb6ce..e69de29bb2d 100644
--- a/mkspecs/features/mac/sdk.mk
+++ b/mkspecs/features/mac/sdk.mk
@@ -1,27 +0,0 @@
-
-ifeq ($(QT_MAC_SDK_NO_VERSION_CHECK),)
-    CHECK_SDK_COMMAND = /usr/bin/xcrun --sdk $(EXPORT_QMAKE_MAC_SDK) -show-sdk-version 2>/dev/null
-    CURRENT_MAC_SDK_VERSION := $(shell DEVELOPER_DIR=$(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) $(CHECK_SDK_COMMAND))
-    ifneq ($(CURRENT_MAC_SDK_VERSION),$(EXPORT_QMAKE_MAC_SDK_VERSION))
-        # We don't want to complain about out of date SDK unless the target needs to be remade.
-        # This covers use-cases such as running 'make check' after moving the build to a
-        # computer without Xcode or with a different Xcode version.
-        TARGET_UP_TO_DATE := $(shell QT_MAC_SDK_NO_VERSION_CHECK=1 $(MAKE) --question $(QMAKE_TARGET) && echo 1 || echo 0)
-        ifeq ($(TARGET_UP_TO_DATE),0)
-            ifneq ($(findstring missing DEVELOPER_DIR path,$(CURRENT_MAC_SDK_VERSION)),)
-                $(info The developer dir $(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) is no longer valid.)
-            else ifneq ($(findstring SDK "$(EXPORT_QMAKE_MAC_SDK)" cannot be located,$(CURRENT_MAC_SDK_VERSION)),)
-                $(info The developer dir $(EXPORT_QMAKE_XCODE_DEVELOPER_PATH) no longer contains the $(EXPORT_QMAKE_MAC_SDK_VERSION) platform SDK.)
-            else ifneq ($(CURRENT_MAC_SDK_VERSION),)
-                $(info The $(EXPORT_QMAKE_MAC_SDK) platform SDK has been changed from version $(EXPORT_QMAKE_MAC_SDK_VERSION) to version $(CURRENT_MAC_SDK_VERSION).)
-            else
-                $(info Unknown error resolving current platform SDK version.)
-            endif
-            $(info This requires a fresh build of your project. Please wipe the build directory)
-            ifneq ($(EXPORT__QMAKE_STASH_),)
-                $(info including the qmake cache in $(EXPORT__QMAKE_STASH_))
-            endif
-            $(error ^)
-        endif
-    endif
-endif
diff --git a/mkspecs/features/mac/sdk.prf b/mkspecs/features/mac/sdk.prf
index 3a9c2778bbe..e69de29bb2d 100644
--- a/mkspecs/features/mac/sdk.prf
+++ b/mkspecs/features/mac/sdk.prf
@@ -1,61 +0,0 @@
-
-isEmpty(QMAKE_MAC_SDK): \
-    error("QMAKE_MAC_SDK must be set when using CONFIG += sdk.")
-
-contains(QMAKE_MAC_SDK, .*/.*): \
-    error("QMAKE_MAC_SDK can only contain short-form SDK names (eg. macosx, iphoneos)")
-
-defineReplace(xcodeSDKInfo) {
-    info = $$1
-    equals(info, "Path"): \
-        infoarg = --show-sdk-path
-    equals(info, "PlatformPath"): \
-        infoarg = --show-sdk-platform-path
-    equals(info, "SDKVersion"): \
-        infoarg = --show-sdk-version
-    sdk = $$2
-    isEmpty(sdk): \
-        sdk = $$QMAKE_MAC_SDK
-
-    isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}) {
-        QMAKE_MAC_SDK.$${sdk}.$${info} = $$system("/usr/bin/xcrun --sdk $$sdk $$infoarg 2>/dev/null")
-        # --show-sdk-platform-path won't work for Command Line Tools; this is fine
-        # only used by the XCTest backend to testlib
-        isEmpty(QMAKE_MAC_SDK.$${sdk}.$${info}):if(!isEmpty(QMAKE_XCODEBUILD_PATH)|!equals(infoarg, "--show-sdk-platform-path")): \
-            error("Could not resolve SDK $$info for \'$$sdk\' using $$infoarg")
-        cache(QMAKE_MAC_SDK.$${sdk}.$${info}, set stash, QMAKE_MAC_SDK.$${sdk}.$${info})
-    }
-
-    return($$eval(QMAKE_MAC_SDK.$${sdk}.$${info}))
-}
-
-QMAKE_MAC_SDK_PATH = $$xcodeSDKInfo(Path)
-QMAKE_MAC_SDK_PLATFORM_PATH = $$xcodeSDKInfo(PlatformPath)
-QMAKE_MAC_SDK_VERSION = $$xcodeSDKInfo(SDKVersion)
-
-isEmpty(QMAKE_EXPORT_INCDIR_OPENGL) {
-    QMAKE_EXPORT_INCDIR_OPENGL = $$QMAKE_INCDIR_OPENGL
-    sysrootified =
-    for(val, QMAKE_INCDIR_OPENGL): sysrootified += $${QMAKE_MAC_SDK_PATH}$$val
-    QMAKE_INCDIR_OPENGL = $$sysrootified
-}
-
-QMAKESPEC_NAME = $$basename(QMAKESPEC)
-
-# Resolve SDK version of various tools
-for(tool, $$list(QMAKE_CC QMAKE_CXX QMAKE_FIX_RPATH QMAKE_AR QMAKE_RANLIB QMAKE_LINK QMAKE_LINK_SHLIB QMAKE_ACTOOL QMAKE_LINK_C QMAKE_LINK_C_SHLIB)) {
-    tool_variable = QMAKE_MAC_SDK.$${QMAKESPEC_NAME}.$${QMAKE_MAC_SDK}.$${tool}
-    !isEmpty($$tool_variable) {
-        $$tool = $$eval($$tool_variable)
-        next()
-    }
-
-    value = $$eval($$tool)
-    isEmpty(value): next()
-
-    sysrooted = $$system("/usr/bin/xcrun -sdk $$QMAKE_MAC_SDK -find $$first(value) 2>/dev/null")
-    isEmpty(sysrooted): next()
-
-    $$tool = $$sysrooted $$member(value, 1, -1)
-    cache($$tool_variable, set stash, $$tool)
-}
diff --git a/mkspecs/features/mac/toolchain.prf b/mkspecs/features/mac/toolchain.prf
index df191eb13c4..e69de29bb2d 100644
--- a/mkspecs/features/mac/toolchain.prf
+++ b/mkspecs/features/mac/toolchain.prf
@@ -1,5 +0,0 @@
-# Ensure that we process sdk.prf first, as it will update QMAKE_CXX,
-# which the default path determination uses.
-sdk: load(sdk)
-
-load(toolchain)
-- 
2.42.0