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-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch409
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0003-qtbase-mkspecs.patch464
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0004-qtbase-replace-libdir.patch68
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0005-qtbase-cmake.patch194
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0006-qtbase-gtk3.patch48
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0007-qtbase-xcursor.patch29
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0008-qtbase-tzdir.patch64
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0009-qtbase-qtpluginpath.patch33
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0010-qtbase-assert.patch32
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0011-fix-header_module.patch25
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0012-qtbase-tbd-frameworks.patch15
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch16
-rw-r--r--infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch77
13 files changed, 1474 insertions, 0 deletions
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
new file mode 100644
index 000000000000..3a2900abdd6b
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0001-qtbase-mkspecs-mac.patch
@@ -0,0 +1,409 @@
+From 5ec1d1009d9943f20e82ffc087deabb31d447e75 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
+Date: Fri, 3 Apr 2020 21:07:58 +0200
+Subject: [PATCH 01/11] qtbase-mkspecs-mac
+
+---
+ mkspecs/common/mac.conf | 2 +-
+ mkspecs/features/mac/default_post.prf | 206 --------------------------
+ mkspecs/features/mac/default_pre.prf | 58 --------
+ mkspecs/features/mac/sdk.mk | 25 ----
+ mkspecs/features/mac/sdk.prf | 61 --------
+ 5 files changed, 1 insertion(+), 351 deletions(-)
+ delete mode 100644 mkspecs/features/mac/sdk.mk
+ delete mode 100644 mkspecs/features/mac/sdk.prf
+
+diff --git a/mkspecs/common/mac.conf b/mkspecs/common/mac.conf
+index 61bea952b2..9909dae726 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 92a9112bca..b80ec1e801 100644
+--- a/mkspecs/features/mac/default_post.prf
++++ b/mkspecs/features/mac/default_post.prf
+@@ -68,212 +68,6 @@ qt {
+ }
+ }
+
+-# 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 += $$QMAKE_CFLAGS_APPLICATION_EXTENSION
+-}
+-
+-macx-xcode {
+- qmake_pkginfo_typeinfo.name = QMAKE_PKGINFO_TYPEINFO
+- !isEmpty(QMAKE_PKGINFO_TYPEINFO): \
+- qmake_pkginfo_typeinfo.value = $$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
+-
+- 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
+- simulator: VALID_SIMULATOR_ARCHS = $$QMAKE_APPLE_SIMULATOR_ARCHS
+- VALID_ARCHS = $$VALID_DEVICE_ARCHS $$VALID_SIMULATOR_ARCHS
+-
+- isEmpty(VALID_ARCHS): \
+- error("QMAKE_APPLE_DEVICE_ARCHS or QMAKE_APPLE_SIMULATOR_ARCHS must contain at least one architecture")
+-
+- single_arch: VALID_ARCHS = $$first(VALID_ARCHS)
+-
+- ACTIVE_ARCHS = $(filter $(EXPORT_VALID_ARCHS), $(ARCHS))
+- ARCH_ARGS = $(foreach arch, $(if $(EXPORT_ACTIVE_ARCHS), $(EXPORT_ACTIVE_ARCHS), $(EXPORT_VALID_ARCHS)), -arch $(arch))
+-
+- QMAKE_EXTRA_VARIABLES += VALID_ARCHS ACTIVE_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).
+- 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 = $$simulator.deployment_identifier
+- } else {
+- sdk = $$device.sdk
+- version_identifier = $$device.deployment_identifier
+- }
+-
+- version_min_flags = \
+- -Xarch_$${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 {
+- simulator {
+- version_identifier = $$simulator.deployment_identifier
+- sysroot_path = $$xcodeSDKInfo(Path, $$simulator.sdk)
+- } else {
+- version_identifier = $$device.deployment_identifier
+- 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 e3534561a5..3b01424e67 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
+--- a/mkspecs/features/mac/sdk.mk
++++ b/mkspecs/features/mac/sdk.mk
+@@ -1,25 +0,0 @@
+-
+-ifeq ($(QT_MAC_SDK_NO_VERSION_CHECK),)
+- CHECK_SDK_COMMAND = /usr/bin/xcrun --sdk $(EXPORT_QMAKE_MAC_SDK) -show-sdk-version 2>&1
+- 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 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. Please wipe the build directory completely,)
+- $(info including any .qmake.stash and .qmake.cache files generated by qmake.)
+- $(error ^)
+- endif
+- endif
+-endif
+diff --git a/mkspecs/features/mac/sdk.prf b/mkspecs/features/mac/sdk.prf
+deleted file mode 100644
+index 3a9c2778bb..0000000000
+--- a/mkspecs/features/mac/sdk.prf
++++ /dev/null
+@@ -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, $$tool)
+-}
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0003-qtbase-mkspecs.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0003-qtbase-mkspecs.patch
new file mode 100644
index 000000000000..9f8ef67ab5d9
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0003-qtbase-mkspecs.patch
@@ -0,0 +1,464 @@
+From 82771c437957b3684ce296997d795432756aa8b1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
+Date: Sat, 4 Apr 2020 00:25:52 +0200
+Subject: [PATCH 03/11] qtbase-mkspecs
+
+---
+ mkspecs/features/create_cmake.prf | 51 +++---------
+ .../data/cmake/Qt5BasicConfig.cmake.in | 80 +------------------
+ mkspecs/features/qml_module.prf | 2 +-
+ mkspecs/features/qml_plugin.prf | 2 +-
+ mkspecs/features/qt_app.prf | 2 +-
+ mkspecs/features/qt_build_paths.prf | 4 +-
+ mkspecs/features/qt_docs.prf | 10 +--
+ mkspecs/features/qt_example_installs.prf | 2 +-
+ mkspecs/features/qt_functions.prf | 2 +-
+ mkspecs/features/qt_installs.prf | 22 ++---
+ mkspecs/features/qt_plugin.prf | 2 +-
+ 11 files changed, 38 insertions(+), 141 deletions(-)
+
+diff --git a/mkspecs/features/create_cmake.prf b/mkspecs/features/create_cmake.prf
+index 24ed125f12..f0666a1986 100644
+--- a/mkspecs/features/create_cmake.prf
++++ b/mkspecs/features/create_cmake.prf
+@@ -21,7 +21,7 @@ load(cmake_functions)
+ # at cmake time whether package has been found via a symlink, and correct
+ # that to an absolute path. This is only done for installations to
+ # the /usr or / prefix.
+-CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$[QT_INSTALL_LIBS])
++CMAKE_INSTALL_LIBS_DIR = $$cmakeTargetPath($$NIX_OUTPUT_OUT/lib/)
+ contains(CMAKE_INSTALL_LIBS_DIR, ^(/usr)?/lib(64)?.*): CMAKE_USR_MOVE_WORKAROUND = $$CMAKE_INSTALL_LIBS_DIR
+
+ CMAKE_OUT_DIR = $$MODULE_BASE_OUTDIR/lib/cmake
+@@ -77,45 +77,20 @@ split_incpath {
+ $$cmake_extra_source_includes.output
+ }
+
+-CMAKE_INCLUDE_DIR = $$cmakeRelativePath($$[QT_INSTALL_HEADERS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_INCLUDE_DIR, "^\\.\\./.*") {
+- CMAKE_INCLUDE_DIR = $$[QT_INSTALL_HEADERS]/
+- CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_INCLUDE_DIR = $$NIX_OUTPUT_DEV/include/
++CMAKE_INCLUDE_DIR_IS_ABSOLUTE = True
+
+-CMAKE_LIB_DIR = $$cmakeRelativePath($$[QT_INSTALL_LIBS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_LIB_DIR,"^\\.\\./.*") {
+- CMAKE_LIB_DIR = $$[QT_INSTALL_LIBS]/
+- CMAKE_LIB_DIR_IS_ABSOLUTE = True
+-} else {
+- CMAKE_RELATIVE_INSTALL_LIBS_DIR = $$cmakeRelativePath($$[QT_INSTALL_PREFIX], $$[QT_INSTALL_LIBS])
+- # We need to go up another two levels because the CMake files are
+- # installed in $${CMAKE_LIB_DIR}/cmake/Qt5$${CMAKE_MODULE_NAME}
+- CMAKE_RELATIVE_INSTALL_DIR = "$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}../../"
+-}
++CMAKE_BIN_DIR = $$NIX_OUTPUT_BIN/bin/
++CMAKE_BIN_DIR_IS_ABSOLUTE = True
+
+-CMAKE_BIN_DIR = $$cmakeRelativePath($$[QT_HOST_BINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_BIN_DIR, "^\\.\\./.*") {
+- CMAKE_BIN_DIR = $$[QT_HOST_BINS]/
+- CMAKE_BIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_LIB_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_LIB_DIR_IS_ABSOLUTE = True
+
+-CMAKE_PLUGIN_DIR = $$cmakeRelativePath($$[QT_INSTALL_PLUGINS], $$[QT_INSTALL_PREFIX])
+-contains(CMAKE_PLUGIN_DIR, "^\\.\\./.*") {
+- CMAKE_PLUGIN_DIR = $$[QT_INSTALL_PLUGINS]/
+- CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+-}
++CMAKE_PLUGIN_DIR = $$NIX_OUTPUT_PLUGIN/
++CMAKE_PLUGIN_DIR_IS_ABSOLUTE = True
+
+-win32:!static:!staticlib {
+- CMAKE_DLL_DIR = $$cmakeRelativePath($$[QT_INSTALL_BINS], $$[QT_INSTALL_PREFIX])
+- contains(CMAKE_DLL_DIR, "^\\.\\./.*") {
+- CMAKE_DLL_DIR = $$[QT_INSTALL_BINS]/
+- CMAKE_DLL_DIR_IS_ABSOLUTE = True
+- }
+-} else {
+- CMAKE_DLL_DIR = $$CMAKE_LIB_DIR
+- CMAKE_DLL_DIR_IS_ABSOLUTE = $$CMAKE_LIB_DIR_IS_ABSOLUTE
+-}
++CMAKE_DLL_DIR = $$NIX_OUTPUT_OUT/lib/
++CMAKE_DLL_DIR_IS_ABSOLUTE = True
+
+ static|staticlib:CMAKE_STATIC_TYPE = true
+
+@@ -258,7 +233,7 @@ contains(CONFIG, plugin) {
+
+ cmake_qt5_plugin_file.files = $$cmake_target_file.output
+ static|staticlib: cmake_qt5_plugin_file.files += $$cmake_qt5_plugin_import_file.output
+- cmake_qt5_plugin_file.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++ cmake_qt5_plugin_file.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+ INSTALLS += cmake_qt5_plugin_file
+
+ return()
+@@ -400,7 +375,7 @@ exists($$cmake_macros_file.input) {
+ cmake_qt5_module_files.files += $$cmake_macros_file.output
+ }
+
+-cmake_qt5_module_files.path = $$[QT_INSTALL_LIBS]/cmake/Qt5$${CMAKE_MODULE_NAME}
++cmake_qt5_module_files.path = $$NIX_OUTPUT_OUT/lib/cmake/Qt5$${CMAKE_MODULE_NAME}
+
+ # We are generating cmake files. Most developers of Qt are not aware of cmake,
+ # so we require automatic tests to be available. The only module which should
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index 309798a767..b6c3ab8609 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -2,30 +2,6 @@ if (CMAKE_VERSION VERSION_LESS 3.1.0)
+ message(FATAL_ERROR \"Qt 5 $${CMAKE_MODULE_NAME} module requires at least CMake version 3.1.0\")
+ endif()
+
+-!!IF !isEmpty(CMAKE_USR_MOVE_WORKAROUND)
+-!!IF !isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ELSE
+-get_filename_component(_IMPORT_PREFIX \"${CMAKE_CURRENT_LIST_FILE}\" PATH)
+-# Use original install prefix when loaded through a
+-# cross-prefix symbolic link such as /lib -> /usr/lib.
+-get_filename_component(_realCurr \"${_IMPORT_PREFIX}\" REALPATH)
+-get_filename_component(_realOrig \"$$CMAKE_INSTALL_LIBS_DIR/cmake/Qt5$${CMAKE_MODULE_NAME}\" REALPATH)
+-if(_realCurr STREQUAL _realOrig)
+- get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$CMAKE_INSTALL_LIBS_DIR/$${CMAKE_RELATIVE_INSTALL_LIBS_DIR}\" ABSOLUTE)
+-else()
+- get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-endif()
+-unset(_realOrig)
+-unset(_realCurr)
+-unset(_IMPORT_PREFIX)
+-!!ENDIF
+-!!ELIF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+-get_filename_component(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"${CMAKE_CURRENT_LIST_DIR}/$${CMAKE_RELATIVE_INSTALL_DIR}\" ABSOLUTE)
+-!!ELSE
+-set(_qt5$${CMAKE_MODULE_NAME}_install_prefix \"$$[QT_INSTALL_PREFIX]\")
+-!!ENDIF
+-
+ !!IF !equals(TEMPLATE, aux)
+ # For backwards compatibility only. Use Qt5$${CMAKE_MODULE_NAME}_VERSION instead.
+ set(Qt5$${CMAKE_MODULE_NAME}_VERSION_STRING "$$eval(QT.$${MODULE}.VERSION)")
+@@ -145,11 +121,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+ IsDebugAndRelease)
+ set_property(TARGET Qt5::$${CMAKE_MODULE_NAME} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ELSE
+ set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+-!!ENDIF
+ _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+ set(_deps
+ ${_Qt5$${CMAKE_MODULE_NAME}_LIB_DEPENDENCIES}
+@@ -209,11 +181,7 @@ macro(_populate_$${CMAKE_MODULE_NAME}_target_properties Configuration LIB_LOCATI
+ !!ENDIF
+
+ !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- set(imported_implib \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ELSE
+ set(imported_implib \"IMPORTED_IMPLIB_${Configuration}\" \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+-!!ENDIF
+ _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_implib})
+ if(NOT \"${IMPLIB_LOCATION}\" STREQUAL \"\")
+ set_target_properties(Qt5::$${CMAKE_MODULE_NAME} PROPERTIES
+@@ -229,24 +197,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !no_module_headers
+ !!IF !isEmpty(CMAKE_BUILD_IS_FRAMEWORK)
+ set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework\"
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Headers\"
++ \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework\"
++ \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Headers\"
+ )
+ !!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+ set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/\"
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, ., 0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+- )
+-!!ELSE
+- set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+-!!ENDIF
+-!!ELSE
+-!!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+- set(_Qt5$${CMAKE_MODULE_NAME}_OWN_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR\" \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}\")
+-!!IF isEmpty(CMAKE_NO_PRIVATE_INCLUDES)
+- set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION\"
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_INCLUDE_DIR}$${MODULE_INCNAME}/$$VERSION/$${MODULE_INCNAME}\"
++ \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, .,0, 0)/Headers/$$VERSION/\"
++ \"$${CMAKE_LIB_DIR}$${CMAKE_QT_STEM}.framework/Versions/$$section(VERSION, .,0, 0)/Headers/$$VERSION/$${MODULE_INCNAME}\"
+ )
+ !!ELSE
+ set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+@@ -262,7 +219,6 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ set(Qt5$${CMAKE_MODULE_NAME}_PRIVATE_INCLUDE_DIRS \"\")
+ !!ENDIF
+ !!ENDIF
+-!!ENDIF
+ !!IF !isEmpty(CMAKE_ADD_SOURCE_INCLUDE_DIRS)
+ include(\"${CMAKE_CURRENT_LIST_DIR}/ExtraSourceIncludes.cmake\" OPTIONAL)
+ !!ENDIF
+@@ -499,25 +455,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_DEBUG_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+ if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+ _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" \"\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+ if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ELSE
+ \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\"
+-!!ENDIF
+ AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ELSE
+ \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" )
+-!!ENDIF
+ _populate_$${CMAKE_MODULE_NAME}_target_properties(DEBUG \"$${CMAKE_LIB_FILE_LOCATION_DEBUG}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+ endif()
+@@ -536,25 +480,13 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ !!IF !isEmpty(CMAKE_FIND_OTHER_LIBRARY_BUILD)
+ !!IF isEmpty(CMAKE_RELEASE_TYPE)
+ !!IF !isEmpty(CMAKE_STATIC_WINDOWS_BUILD)
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- if (EXISTS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE // CMAKE_LIB_DIR_IS_ABSOLUTE
+ if (EXISTS \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF // CMAKE_LIB_DIR_IS_ABSOLUTE
+ _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" \"\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ELSE // CMAKE_STATIC_WINDOWS_BUILD
+ if (EXISTS
+-!!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_DLL_DIR}$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ELSE
+ \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\"
+-!!ENDIF
+ AND EXISTS
+-!!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ELSE
+ \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" )
+-!!ENDIF
+ _populate_$${CMAKE_MODULE_NAME}_target_properties(RELEASE \"$${CMAKE_LIB_FILE_LOCATION_RELEASE}\" \"$${CMAKE_IMPLIB_FILE_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF // CMAKE_STATIC_WINDOWS_BUILD
+ endif()
+@@ -581,11 +513,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ IsDebugAndRelease)
+ set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+
+-!!IF isEmpty(CMAKE_PLUGIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ELSE
+ set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
+-!!ENDIF
+ _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+ set_target_properties(Qt5::${Plugin} PROPERTIES
+ \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/qml_module.prf b/mkspecs/features/qml_module.prf
+index c0b50416c9..cabe39b22e 100644
+--- a/mkspecs/features/qml_module.prf
++++ b/mkspecs/features/qml_module.prf
+@@ -51,7 +51,7 @@ builtin_resources {
+ # Install rules
+ qmldir.base = $$qmldir_path
+ qmldir.files = $$qmldir_file
+-qmldir.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++qmldir.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+
+ qmlfiles.base = $$_PRO_FILE_PWD_
+ qmlfiles.files = $$fq_aux_qml_files
+diff --git a/mkspecs/features/qml_plugin.prf b/mkspecs/features/qml_plugin.prf
+index 1b67435787..24a1f78c17 100644
+--- a/mkspecs/features/qml_plugin.prf
++++ b/mkspecs/features/qml_plugin.prf
+@@ -50,7 +50,7 @@ load(qt_build_paths)
+
+ DESTDIR = $$MODULE_BASE_OUTDIR/qml/$$TARGETPATH
+
+-target.path = $$[QT_INSTALL_QML]/$$TARGETPATH
++target.path = $$NIX_OUTPUT_QML/$$TARGETPATH
+ INSTALLS += target
+
+ # Some final setup
+diff --git a/mkspecs/features/qt_app.prf b/mkspecs/features/qt_app.prf
+index 8354f30eea..62028fef8e 100644
+--- a/mkspecs/features/qt_app.prf
++++ b/mkspecs/features/qt_app.prf
+@@ -30,7 +30,7 @@ host_build:force_bootstrap {
+ target.path = $$[QT_HOST_BINS]
+ } else {
+ !build_pass:qtConfig(debug_and_release): CONFIG += release
+- target.path = $$[QT_INSTALL_BINS]
++ target.path = $$NIX_OUTPUT_BIN/bin
+ CONFIG += relative_qt_rpath # Qt's tools and apps should be relocatable
+ }
+ INSTALLS += target
+diff --git a/mkspecs/features/qt_build_paths.prf b/mkspecs/features/qt_build_paths.prf
+index 3bb3823a8e..655b7b7db8 100644
+--- a/mkspecs/features/qt_build_paths.prf
++++ b/mkspecs/features/qt_build_paths.prf
+@@ -24,6 +24,6 @@ exists($$MODULE_BASE_INDIR/.git): \
+ !force_independent {
+ # If the module is not built independently, everything ends up in qtbase.
+ # This is the case in non-prefix builds, except for selected modules.
+- MODULE_BASE_OUTDIR = $$[QT_HOST_PREFIX]
+- MODULE_QMAKE_OUTDIR = $$[QT_HOST_PREFIX]
++ MODULE_BASE_OUTDIR = $$NIX_OUTPUT_OUT
++ MODULE_QMAKE_OUTDIR = $$NIX_OUTPUT_OUT
+ }
+diff --git a/mkspecs/features/qt_docs.prf b/mkspecs/features/qt_docs.prf
+index 095bf15dac..4cc977bea5 100644
+--- a/mkspecs/features/qt_docs.prf
++++ b/mkspecs/features/qt_docs.prf
+@@ -65,7 +65,7 @@ QMAKE_DOCS_OUTPUTDIR = $$QMAKE_DOCS_BASE_OUTDIR/$$QMAKE_DOCS_TARGETDIR
+
+ QDOC += -outputdir $$shell_quote($$QMAKE_DOCS_OUTPUTDIR)
+ !build_online_docs: \
+- QDOC += -installdir $$shell_quote($$[QT_INSTALL_DOCS])
++ QDOC += -installdir $$shell_quote($$NIX_OUTPUT_DOC)
+ PREP_DOC_INDEXES =
+ DOC_INDEXES =
+ !isEmpty(QTREPOS) {
+@@ -84,8 +84,8 @@ DOC_INDEXES =
+ DOC_INDEXES += -indexdir $$shell_quote($$qrep/doc)
+ } else {
+ prepare_docs: \
+- PREP_DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
+- DOC_INDEXES += -indexdir $$shell_quote($$[QT_INSTALL_DOCS/get])
++ PREP_DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
++ DOC_INDEXES += -indexdir $$shell_quote($$NIX_OUTPUT_DOC)
+ }
+
+ qtattributionsscanner.target = qtattributionsscanner
+@@ -108,12 +108,12 @@ prepare_docs {
+ qch_docs.commands = $$QHELPGENERATOR $$shell_quote($$QMAKE_DOCS_OUTPUTDIR/$${QMAKE_DOCS_TARGET}.qhp) -o $$shell_quote($$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch)
+
+ inst_html_docs.files = $$QMAKE_DOCS_OUTPUTDIR
+- inst_html_docs.path = $$[QT_INSTALL_DOCS]
++ inst_html_docs.path = $$NIX_OUTPUT_DOC
+ inst_html_docs.CONFIG += no_check_exist directory no_default_install no_build
+ INSTALLS += inst_html_docs
+
+ inst_qch_docs.files = $$QMAKE_DOCS_BASE_OUTDIR/$${QMAKE_DOCS_TARGET}.qch
+- inst_qch_docs.path = $$[QT_INSTALL_DOCS]
++ inst_qch_docs.path = $$NIX_OUTPUT_DOC
+ inst_qch_docs.CONFIG += no_check_exist no_default_install no_build
+ INSTALLS += inst_qch_docs
+
+diff --git a/mkspecs/features/qt_example_installs.prf b/mkspecs/features/qt_example_installs.prf
+index 15b373ba40..5c373fe1d5 100644
+--- a/mkspecs/features/qt_example_installs.prf
++++ b/mkspecs/features/qt_example_installs.prf
+@@ -91,7 +91,7 @@ sourcefiles += \
+ $$SOURCES $$HEADERS $$FORMS $$RESOURCES $$TRANSLATIONS \
+ $$DBUS_ADAPTORS $$DBUS_INTERFACES
+ addInstallFiles(sources.files, $$sourcefiles)
+-sources.path = $$[QT_INSTALL_EXAMPLES]/$$probase
++sources.path = $$NIX_OUTPUT_DEV/share/examples/$$probase
+ INSTALLS += sources
+
+ check_examples {
+diff --git a/mkspecs/features/qt_functions.prf b/mkspecs/features/qt_functions.prf
+index 7777e615bd..abeb03a663 100644
+--- a/mkspecs/features/qt_functions.prf
++++ b/mkspecs/features/qt_functions.prf
+@@ -87,7 +87,7 @@ defineTest(qtHaveModule) {
+ defineTest(qtPrepareTool) {
+ cmd = $$eval(QT_TOOL.$${2}.binary)
+ isEmpty(cmd) {
+- cmd = $$[QT_HOST_BINS]/$$2
++ cmd = $$system("command -v $$2")
+ exists($${cmd}.pl) {
+ $${1}_EXE = $${cmd}.pl
+ cmd = perl -w $$system_path($${cmd}.pl)
+diff --git a/mkspecs/features/qt_installs.prf b/mkspecs/features/qt_installs.prf
+index 1ebca17366..a8f958eae8 100644
+--- a/mkspecs/features/qt_installs.prf
++++ b/mkspecs/features/qt_installs.prf
+@@ -12,16 +12,10 @@
+ #library
+ !qt_no_install_library {
+ win32 {
+- host_build: \
+- dlltarget.path = $$[QT_HOST_BINS]
+- else: \
+- dlltarget.path = $$[QT_INSTALL_BINS]
++ dlltarget.path = $$NIX_OUTPUT_BIN/bin
+ INSTALLS += dlltarget
+ }
+- host_build: \
+- target.path = $$[QT_HOST_LIBS]
+- else: \
+- target.path = $$[QT_INSTALL_LIBS]
++ target.path = $$NIX_OUTPUT_OUT/lib
+ !static: target.CONFIG = no_dll
+ INSTALLS += target
+ }
+@@ -29,35 +23,35 @@
+ #headers
+ qt_install_headers {
+ gen_headers.files = $$SYNCQT.GENERATED_HEADER_FILES
+- gen_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++ gen_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+ INSTALLS += gen_headers
+
+ targ_headers.files = $$SYNCQT.HEADER_FILES $$SYNCQT.INJECTED_HEADER_FILES
+- targ_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME
++ targ_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME
+ INSTALLS += targ_headers
+
+ private_headers.files = $$SYNCQT.PRIVATE_HEADER_FILES $$SYNCQT.INJECTED_PRIVATE_HEADER_FILES
+- private_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
++ private_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/private
+ generated_privates: \
+ private_headers.CONFIG += no_check_exist
+ INSTALLS += private_headers
+
+ qpa_headers.files = $$SYNCQT.QPA_HEADER_FILES
+- qpa_headers.path = $$[QT_INSTALL_HEADERS]/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
++ qpa_headers.path = $$NIX_OUTPUT_DEV/include/$$MODULE_INCNAME/$$VERSION/$$MODULE_INCNAME/qpa
+ INSTALLS += qpa_headers
+ }
+
+ #module
+ qt_install_module {
+ !isEmpty(MODULE_PRI) {
+- pritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++ pritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+ pritarget.files = $$MODULE_PRI
+ INSTALLS += pritarget
+ } else: isEmpty(MODULE_PRIVATE_PRI) {
+ warning("Project $$basename(_PRO_FILE_) is a module, but has not defined MODULE_PRI, which is required for Qt to expose the module to other projects.")
+ }
+ !isEmpty(MODULE_PRIVATE_PRI) {
+- privpritarget.path = $$[QT_HOST_DATA]/mkspecs/modules
++ privpritarget.path = $$NIX_OUTPUT_DEV/mkspecs/modules
+ privpritarget.files = $$MODULE_PRIVATE_PRI
+ INSTALLS += privpritarget
+ }
+diff --git a/mkspecs/features/qt_plugin.prf b/mkspecs/features/qt_plugin.prf
+index 573d717eea..024c624cb6 100644
+--- a/mkspecs/features/qt_plugin.prf
++++ b/mkspecs/features/qt_plugin.prf
+@@ -88,7 +88,7 @@ CONFIG(static, static|shared)|prefix_build {
+ }
+ }
+
+-target.path = $$[QT_INSTALL_PLUGINS]/$$PLUGIN_TYPE
++target.path = $$NIX_OUTPUT_PLUGIN/$$PLUGIN_TYPE
+ INSTALLS += target
+
+ qt_libinfix_plugins: TARGET = $$TARGET$$QT_LIBINFIX
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0004-qtbase-replace-libdir.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0004-qtbase-replace-libdir.patch
new file mode 100644
index 000000000000..bbfc93897873
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0004-qtbase-replace-libdir.patch
@@ -0,0 +1,68 @@
+From 30d3906ff5e8671e9c97c5336c6c549656c0e293 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
+Date: Sat, 4 Apr 2020 00:27:41 +0200
+Subject: [PATCH 04/11] qtbase-replace-libdir
+
+---
+ mkspecs/features/qt_common.prf | 20 ++------------------
+ mkspecs/features/qt_module.prf | 5 +----
+ 2 files changed, 3 insertions(+), 22 deletions(-)
+
+diff --git a/mkspecs/features/qt_common.prf b/mkspecs/features/qt_common.prf
+index 8df94aa4ee..414029f31c 100644
+--- a/mkspecs/features/qt_common.prf
++++ b/mkspecs/features/qt_common.prf
+@@ -31,32 +31,16 @@ contains(TEMPLATE, .*lib)|contains(TEMPLATE, aux) {
+ rplbase = $$dirname(_QMAKE_SUPER_CACHE_)/[^/][^/]*
+ else: \
+ rplbase = $$MODULE_BASE_OUTDIR
+- host_build {
+- qqt_libdir = \$\$\$\$[QT_HOST_LIBS]
+- qt_libdir = $$[QT_HOST_LIBS]
+- } else {
+- qqt_libdir = \$\$\$\$[QT_INSTALL_LIBS]
+- qt_libdir = $$[QT_INSTALL_LIBS]
+- }
++ qt_libdir = $$NIX_OUTPUT_OUT/lib
+ contains(QMAKE_DEFAULT_LIBDIRS, $$qt_libdir) {
+- lib_replace0.match = $$rplbase/lib/
+- lib_replace0.replace = $$qqt_libdir/
+- lib_replace0.CONFIG = path
+- QMAKE_PRL_INSTALL_REPLACE += lib_replace0
+ lib_replace.match = "[^ ']*$$rplbase/lib"
+ lib_replace.replace =
+ } else {
+ lib_replace.match = $$rplbase/lib
+- lib_replace.replace = $$qqt_libdir
++ lib_replace.replace = $$qt_libdir
+ }
+ lib_replace.CONFIG = path
+ QMAKE_PRL_INSTALL_REPLACE += lib_replace
+- !equals(qt_libdir, $$rplbase/lib) {
+- qtlibdir_replace.match = $$qt_libdir
+- qtlibdir_replace.replace = $$qqt_libdir
+- qtlibdir_replace.CONFIG = path
+- QMAKE_PRL_INSTALL_REPLACE += qtlibdir_replace
+- }
+ }
+ contains(TEMPLATE, .*lib)|darwin {
+ if(!host_build|!cross_compile):qtConfig(reduce_exports): CONFIG += hide_symbols
+diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
+index 828a9621b9..b9e5d35026 100644
+--- a/mkspecs/features/qt_module.prf
++++ b/mkspecs/features/qt_module.prf
+@@ -305,10 +305,7 @@ load(qt_targets)
+ }
+ !lib_bundle:unix {
+ CONFIG += create_libtool
+- host_build: \
+- QMAKE_LIBTOOL_LIBDIR = $$[QT_HOST_LIBS]
+- else: \
+- QMAKE_LIBTOOL_LIBDIR = "=$$[QT_INSTALL_LIBS/raw]"
++ QMAKE_LIBTOOL_LIBDIR = $$NIX_OUTPUT_OUT/lib
+ !isEmpty(lib_replace0.match) {
+ ltlib_replace0.match = $$lib_replace0.match
+ ltlib_replace0.replace = $$QMAKE_LIBTOOL_LIBDIR/
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0005-qtbase-cmake.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0005-qtbase-cmake.patch
new file mode 100644
index 000000000000..19646df1666f
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0005-qtbase-cmake.patch
@@ -0,0 +1,194 @@
+From 7871fbcefc7596a458cec005edafd9d4962baea3 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@mailbox.org>
+Date: Tue, 17 Sep 2019 05:34:28 -0500
+Subject: [PATCH 05/11] qtbase-cmake
+
+---
+ mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in | 2 +-
+ mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in | 4 ++--
+ src/corelib/Qt5CoreConfigExtras.cmake.in | 10 +++++-----
+ src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in | 2 +-
+ .../Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in | 2 +-
+ src/dbus/Qt5DBusConfigExtras.cmake.in | 12 ++----------
+ src/gui/Qt5GuiConfigExtras.cmake.in | 6 +++---
+ src/widgets/Qt5WidgetsConfigExtras.cmake.in | 2 +-
+ 8 files changed, 16 insertions(+), 24 deletions(-)
+
+diff --git a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+index b6c3ab8609..edb6a89316 100644
+--- a/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5BasicConfig.cmake.in
+@@ -513,7 +513,7 @@ if (NOT TARGET Qt5::$${CMAKE_MODULE_NAME})
+ IsDebugAndRelease)
+ set_property(TARGET Qt5::${Plugin} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+
+- set(imported_location \"$${CMAKE_PLUGIN_DIR}${PLUGIN_LOCATION}\")
++ set(imported_location \"${PLUGIN_LOCATION}\")
+ _qt5_$${CMAKE_MODULE_NAME}_check_file_exists(${imported_location})
+ set_target_properties(Qt5::${Plugin} PROPERTIES
+ \"IMPORTED_LOCATION_${Configuration}\" ${imported_location}
+diff --git a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+index b550a52c60..dbd3243885 100644
+--- a/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
++++ b/mkspecs/features/data/cmake/Qt5PluginTarget.cmake.in
+@@ -53,10 +53,10 @@ set_property(TARGET Qt5::$$CMAKE_PLUGIN_NAME PROPERTY INTERFACE_SOURCES
+ !!ENDIF
+
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME RELEASE \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_RELEASE}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF
+ !!IF !isEmpty(CMAKE_DEBUG_TYPE)
+-_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
++_populate_$${CMAKE_MODULE_NAME}_plugin_properties($$CMAKE_PLUGIN_NAME DEBUG \"$${CMAKE_PLUGIN_DIR}$${CMAKE_PLUGIN_LOCATION_DEBUG}\" $${CMAKE_DEBUG_AND_RELEASE})
+ !!ENDIF
+
+ list(APPEND Qt5$${CMAKE_MODULE_NAME}_PLUGINS Qt5::$$CMAKE_PLUGIN_NAME)
+diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
+index 4c1c3a612b..bb8ab08143 100644
+--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
+@@ -6,7 +6,7 @@ if (NOT TARGET Qt5::qmake)
+ add_executable(Qt5::qmake IMPORTED)
+
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_BIN_DIR}qmake$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -21,7 +21,7 @@ if (NOT TARGET Qt5::moc)
+ add_executable(Qt5::moc IMPORTED)
+
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_BIN_DIR}moc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -38,7 +38,7 @@ if (NOT TARGET Qt5::rcc)
+ add_executable(Qt5::rcc IMPORTED)
+
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_BIN_DIR}rcc$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+@@ -121,7 +121,7 @@ if (NOT TARGET Qt5::WinMain)
+ !!IF !isEmpty(CMAKE_RELEASE_TYPE)
+ set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS RELEASE)
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_RELEASE}\")
+ !!ENDIF
+@@ -135,7 +135,7 @@ if (NOT TARGET Qt5::WinMain)
+ set_property(TARGET Qt5::WinMain APPEND PROPERTY IMPORTED_CONFIGURATIONS DEBUG)
+
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Core_install_prefix}/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_LIB_DIR}$${CMAKE_WINMAIN_FILE_LOCATION_DEBUG}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+index c357237d0e..6f0c75de3c 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDir.cmake.in
+@@ -1,6 +1,6 @@
+
+ !!IF isEmpty(CMAKE_HOST_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_HOST_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_HOST_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+index 706304cf34..546420f6ad 100644
+--- a/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
++++ b/src/corelib/Qt5CoreConfigExtrasMkspecDirForInstall.cmake.in
+@@ -1,6 +1,6 @@
+
+ !!IF isEmpty(CMAKE_INSTALL_DATA_DIR_IS_ABSOLUTE)
+-set(_qt5_corelib_extra_includes \"${_qt5Core_install_prefix}/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
++set(_qt5_corelib_extra_includes \"$$NIX_OUTPUT_DEV/$${CMAKE_INSTALL_DATA_DIR}/mkspecs/$${CMAKE_MKSPEC}\")
+ !!ELSE
+ set(_qt5_corelib_extra_includes \"$${CMAKE_INSTALL_DATA_DIR}mkspecs/$${CMAKE_MKSPEC}\")
+ !!ENDIF
+diff --git a/src/dbus/Qt5DBusConfigExtras.cmake.in b/src/dbus/Qt5DBusConfigExtras.cmake.in
+index a814678f7b..b13b964ec8 100644
+--- a/src/dbus/Qt5DBusConfigExtras.cmake.in
++++ b/src/dbus/Qt5DBusConfigExtras.cmake.in
+@@ -2,11 +2,7 @@
+ if (NOT TARGET Qt5::qdbuscpp2xml)
+ add_executable(Qt5::qdbuscpp2xml IMPORTED)
+
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+- set(imported_location \"$${CMAKE_BIN_DIR}qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++ set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbuscpp2xml$$CMAKE_BIN_SUFFIX\")
+ _qt5_DBus_check_file_exists(${imported_location})
+
+ set_target_properties(Qt5::qdbuscpp2xml PROPERTIES
+@@ -17,11 +13,7 @@ endif()
+ if (NOT TARGET Qt5::qdbusxml2cpp)
+ add_executable(Qt5::qdbusxml2cpp IMPORTED)
+
+-!!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5DBus_install_prefix}/$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ELSE
+- set(imported_location \"$${CMAKE_BIN_DIR}qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+-!!ENDIF
++ set(imported_location \"$$NIX_OUTPUT_DEV/bin/qdbusxml2cpp$$CMAKE_BIN_SUFFIX\")
+ _qt5_DBus_check_file_exists(${imported_location})
+
+ set_target_properties(Qt5::qdbusxml2cpp PROPERTIES
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 84dbbfebd4..8ad0720c5c 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -2,7 +2,7 @@
+ !!IF !isEmpty(CMAKE_ANGLE_EGL_DLL_RELEASE)
+
+ !!IF isEmpty(CMAKE_INCLUDE_DIR_IS_ABSOLUTE)
+-set(Qt5Gui_EGL_INCLUDE_DIRS \"${_qt5$${CMAKE_MODULE_NAME}_install_prefix}/$$CMAKE_INCLUDE_DIR/QtANGLE\")
++set(Qt5Gui_EGL_INCLUDE_DIRS \"$$NIX_OUTPUT_DEV/$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ELSE
+ set(Qt5Gui_EGL_INCLUDE_DIRS \"$$CMAKE_INCLUDE_DIR/QtANGLE\")
+ !!ENDIF
+@@ -17,13 +17,13 @@ macro(_populate_qt5gui_gl_target_properties TargetName Configuration LIB_LOCATIO
+ set_property(TARGET Qt5::${TargetName} APPEND PROPERTY IMPORTED_CONFIGURATIONS ${Configuration})
+
+ !!IF isEmpty(CMAKE_DLL_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Gui_install_prefix}/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
++ set(imported_location \"$$NIX_OUTPUT_OUT/$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_DLL_DIR}${LIB_LOCATION}\")
+ !!ENDIF
+
+ !!IF isEmpty(CMAKE_LIB_DIR_IS_ABSOLUTE)
+- set(imported_implib \"${_qt5Gui_install_prefix}/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
++ set(imported_implib \"$$NIX_OUTPUT_OUT/$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ELSE
+ set(imported_implib \"$${CMAKE_LIB_DIR}${IMPLIB_LOCATION}\")
+ !!ENDIF
+diff --git a/src/widgets/Qt5WidgetsConfigExtras.cmake.in b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+index 83d8004a08..ca0b8e4bfb 100644
+--- a/src/widgets/Qt5WidgetsConfigExtras.cmake.in
++++ b/src/widgets/Qt5WidgetsConfigExtras.cmake.in
+@@ -3,7 +3,7 @@ if (NOT TARGET Qt5::uic)
+ add_executable(Qt5::uic IMPORTED)
+
+ !!IF isEmpty(CMAKE_BIN_DIR_IS_ABSOLUTE)
+- set(imported_location \"${_qt5Widgets_install_prefix}/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
++ set(imported_location \"$$NIX_OUTPUT_DEV/$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ELSE
+ set(imported_location \"$${CMAKE_BIN_DIR}uic$$CMAKE_BIN_SUFFIX\")
+ !!ENDIF
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0006-qtbase-gtk3.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0006-qtbase-gtk3.patch
new file mode 100644
index 000000000000..48f4c9b3f99e
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0006-qtbase-gtk3.patch
@@ -0,0 +1,48 @@
+From 7a9f4f875053aed8ab387161eea623bf8325cfa8 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@mailbox.org>
+Date: Tue, 17 Sep 2019 05:35:33 -0500
+Subject: [PATCH 06/11] qtbase-gtk3
+
+---
+ src/plugins/platformthemes/gtk3/main.cpp | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+diff --git a/src/plugins/platformthemes/gtk3/main.cpp b/src/plugins/platformthemes/gtk3/main.cpp
+index 860fc3a26e..8cd4663d49 100644
+--- a/src/plugins/platformthemes/gtk3/main.cpp
++++ b/src/plugins/platformthemes/gtk3/main.cpp
+@@ -39,6 +39,7 @@
+
+ #include <qpa/qplatformthemeplugin.h>
+ #include "qgtk3theme.h"
++#include <QFile>
+
+ QT_BEGIN_NAMESPACE
+
+@@ -54,8 +55,22 @@ public:
+ QPlatformTheme *QGtk3ThemePlugin::create(const QString &key, const QStringList &params)
+ {
+ Q_UNUSED(params);
+- if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive))
++ if (!key.compare(QLatin1String(QGtk3Theme::name), Qt::CaseInsensitive)) {
++
++#ifdef NIXPKGS_QGTK3_XDG_DATA_DIRS
++ QStringList XDG_DATA_DIRS = QFile::decodeName(qgetenv("XDG_DATA_DIRS")).split(':');
++ XDG_DATA_DIRS << QLatin1String(NIXPKGS_QGTK3_XDG_DATA_DIRS);
++ qputenv("XDG_DATA_DIRS", QFile::encodeName(XDG_DATA_DIRS.join(':')));
++#endif
++
++#ifdef NIXPKGS_QGTK3_GIO_EXTRA_MODULES
++ QStringList GIO_EXTRA_MODULES = QFile::decodeName(qgetenv("GIO_EXTRA_MODULES")).split(':');
++ GIO_EXTRA_MODULES << QLatin1String(NIXPKGS_QGTK3_GIO_EXTRA_MODULES);
++ qputenv("GIO_EXTRA_MODULES", QFile::encodeName(GIO_EXTRA_MODULES.join(':')));
++#endif
++
+ return new QGtk3Theme;
++ }
+
+ return nullptr;
+ }
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0007-qtbase-xcursor.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0007-qtbase-xcursor.patch
new file mode 100644
index 000000000000..617b0684df65
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0007-qtbase-xcursor.patch
@@ -0,0 +1,29 @@
+From 707098eada20ba074e642a73248de74407bc261c Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@mailbox.org>
+Date: Tue, 17 Sep 2019 05:35:58 -0500
+Subject: [PATCH 07/11] qtbase-xcursor
+
+---
+ src/plugins/platforms/xcb/qxcbcursor.cpp | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/src/plugins/platforms/xcb/qxcbcursor.cpp b/src/plugins/platforms/xcb/qxcbcursor.cpp
+index 42c7a52bd4..ba670ddb44 100644
+--- a/src/plugins/platforms/xcb/qxcbcursor.cpp
++++ b/src/plugins/platforms/xcb/qxcbcursor.cpp
+@@ -317,10 +317,10 @@ QXcbCursor::QXcbCursor(QXcbConnection *conn, QXcbScreen *screen)
+ #if QT_CONFIG(xcb_xlib) && QT_CONFIG(library)
+ static bool function_ptrs_not_initialized = true;
+ if (function_ptrs_not_initialized) {
+- QLibrary xcursorLib(QLatin1String("Xcursor"), 1);
++ QLibrary xcursorLib(QLatin1String(NIXPKGS_LIBXCURSOR), 1);
+ bool xcursorFound = xcursorLib.load();
+ if (!xcursorFound) { // try without the version number
+- xcursorLib.setFileName(QLatin1String("Xcursor"));
++ xcursorLib.setFileName(QLatin1String(NIXPKGS_LIBXCURSOR));
+ xcursorFound = xcursorLib.load();
+ }
+ if (xcursorFound) {
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0008-qtbase-tzdir.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0008-qtbase-tzdir.patch
new file mode 100644
index 000000000000..319de315bfb7
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0008-qtbase-tzdir.patch
@@ -0,0 +1,64 @@
+From da003b582ee8823b29b1ff5c0aca8e06e7741b94 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@mailbox.org>
+Date: Tue, 17 Sep 2019 05:36:25 -0500
+Subject: [PATCH 08/11] qtbase-tzdir
+
+---
+ src/corelib/time/qtimezoneprivate_tz.cpp | 31 +++++++++++++++---------
+ 1 file changed, 19 insertions(+), 12 deletions(-)
+
+diff --git a/src/corelib/time/qtimezoneprivate_tz.cpp b/src/corelib/time/qtimezoneprivate_tz.cpp
+index 01f9a6cce0..910338205a 100644
+--- a/src/corelib/time/qtimezoneprivate_tz.cpp
++++ b/src/corelib/time/qtimezoneprivate_tz.cpp
+@@ -77,7 +77,11 @@ typedef QHash<QByteArray, QTzTimeZone> QTzTimeZoneHash;
+ // Parse zone.tab table, assume lists all installed zones, if not will need to read directories
+ static QTzTimeZoneHash loadTzTimeZones()
+ {
+- QString path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
++ // Try TZDIR first, in case we're running on NixOS.
++ QString path = QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/zone.tab");
++ // Fallback to traditional paths in case we are not on NixOS.
++ if (!QFile::exists(path))
++ path = QStringLiteral("/usr/share/zoneinfo/zone.tab");
+ if (!QFile::exists(path))
+ path = QStringLiteral("/usr/lib/zoneinfo/zone.tab");
+
+@@ -672,20 +676,23 @@ QTzTimeZoneCacheEntry QTzTimeZoneCache::findEntry(const QByteArray &ianaId)
+ if (!tzif.open(QIODevice::ReadOnly))
+ return ret;
+ } else {
+- // Open named tz, try modern path first, if fails try legacy path
+- tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++ // Try TZDIR first, in case we're running on NixOS
++ tzif.setFileName(QFile::decodeName(qgetenv("TZDIR")) + QStringLiteral("/") + QString::fromLocal8Bit(ianaId));
+ if (!tzif.open(QIODevice::ReadOnly)) {
+- tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++ tzif.setFileName(QLatin1String("/usr/share/zoneinfo/") + QString::fromLocal8Bit(ianaId));
+ if (!tzif.open(QIODevice::ReadOnly)) {
+- // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
+- const QByteArray zoneInfo = ianaId.split(',').at(0);
+- const char *begin = zoneInfo.constBegin();
+- if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
+- && (begin == zoneInfo.constEnd()
+- || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
+- ret.m_posixRule = ianaId;
++ tzif.setFileName(QLatin1String("/usr/lib/zoneinfo/") + QString::fromLocal8Bit(ianaId));
++ if (!tzif.open(QIODevice::ReadOnly)) {
++ // ianaId may be a POSIX rule, taken from $TZ or /etc/TZ
++ const QByteArray zoneInfo = ianaId.split(',').at(0);
++ const char *begin = zoneInfo.constBegin();
++ if (PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset()
++ && (begin == zoneInfo.constEnd()
++ || PosixZone::parse(begin, zoneInfo.constEnd()).hasValidOffset())) {
++ ret.m_posixRule = ianaId;
++ }
++ return ret;
+ }
+- return ret;
+ }
+ }
+ }
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0009-qtbase-qtpluginpath.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0009-qtbase-qtpluginpath.patch
new file mode 100644
index 000000000000..28013ec10482
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0009-qtbase-qtpluginpath.patch
@@ -0,0 +1,33 @@
+From 9fc6efaf774a8716932c98c0b0ea6408ed2614c2 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Milan=20P=C3=A4ssler?= <me@pbb.lc>
+Date: Sun, 10 May 2020 12:47:28 +0200
+Subject: [PATCH 09/11] qtbase-qtpluginpath
+
+---
+ src/corelib/kernel/qcoreapplication.cpp | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
+index 5fdcc9b914..1a126ef359 100644
+--- a/src/corelib/kernel/qcoreapplication.cpp
++++ b/src/corelib/kernel/qcoreapplication.cpp
+@@ -2691,6 +2691,16 @@ QStringList QCoreApplication::libraryPathsLocked()
+ QStringList *app_libpaths = new QStringList;
+ coreappdata()->app_libpaths.reset(app_libpaths);
+
++ // Add library paths derived from PATH
++ const QStringList paths = QFile::decodeName(qgetenv("PATH")).split(':');
++ const QString plugindir = QStringLiteral("../" NIXPKGS_QT_PLUGIN_PREFIX);
++ for (const QString &path: paths) {
++ if (!path.isEmpty()) {
++ app_libpaths->append(QDir::cleanPath(path + QDir::separator() + plugindir));
++ }
++ }
++
++
+ auto setPathsFromEnv = [&](QString libPathEnv) {
+ if (!libPathEnv.isEmpty()) {
+ QStringList paths = libPathEnv.split(QDir::listSeparator(), Qt::SkipEmptyParts);
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0010-qtbase-assert.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0010-qtbase-assert.patch
new file mode 100644
index 000000000000..c5b099c4ca35
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0010-qtbase-assert.patch
@@ -0,0 +1,32 @@
+From 015845b3c320d02691f28373097d1e6dbbac79f7 Mon Sep 17 00:00:00 2001
+From: Thomas Tuegel <ttuegel@mailbox.org>
+Date: Tue, 17 Sep 2019 05:37:04 -0500
+Subject: [PATCH 10/11] qtbase-assert
+
+---
+ src/testlib/qtestassert.h | 7 +++++--
+ 1 file changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/src/testlib/qtestassert.h b/src/testlib/qtestassert.h
+index 6498ea84ef..d821ced7fc 100644
+--- a/src/testlib/qtestassert.h
++++ b/src/testlib/qtestassert.h
+@@ -44,10 +44,13 @@
+
+ QT_BEGIN_NAMESPACE
+
+-
++#if defined(QT_NO_DEBUG) && !defined(QT_FORCE_ASSERTS)
++#define QTEST_ASSERT(cond) do { } while ((false) && (cond))
++#define QTEST_ASSERT_X(cond, where, what) do { } while ((false) && (cond))
++#else
+ #define QTEST_ASSERT(cond) do { if (!(cond)) qt_assert(#cond,__FILE__,__LINE__); } while (false)
+-
+ #define QTEST_ASSERT_X(cond, where, what) do { if (!(cond)) qt_assert_x(where, what,__FILE__,__LINE__); } while (false)
++#endif
+
+ QT_END_NAMESPACE
+
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0011-fix-header_module.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0011-fix-header_module.patch
new file mode 100644
index 000000000000..98738656114d
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0011-fix-header_module.patch
@@ -0,0 +1,25 @@
+From 2bce8511877db1db532e1437e7140b1d55633f86 Mon Sep 17 00:00:00 2001
+From: Will Dietz <w@wdtz.org>
+Date: Mon, 30 Sep 2019 20:15:40 -0500
+Subject: [PATCH 11/11] fix header_module
+
+---
+ mkspecs/features/qt_module.prf | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/mkspecs/features/qt_module.prf b/mkspecs/features/qt_module.prf
+index b9e5d35026..9924271042 100644
+--- a/mkspecs/features/qt_module.prf
++++ b/mkspecs/features/qt_module.prf
+@@ -84,7 +84,7 @@ header_module {
+ CONFIG += qt_no_install_library
+
+ # Allow creation of .prl, .la and .pc files.
+- target.path = $$[QT_INSTALL_LIBS]
++ target.path = $$NIX_OUTPUT_OUT/lib
+ target.CONFIG += dummy_install
+ INSTALLS += target
+ } else {
+--
+2.25.4
+
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0012-qtbase-tbd-frameworks.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0012-qtbase-tbd-frameworks.patch
new file mode 100644
index 000000000000..8a5939978a6b
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0012-qtbase-tbd-frameworks.patch
@@ -0,0 +1,15 @@
+diff --git a/src/gui/Qt5GuiConfigExtras.cmake.in b/src/gui/Qt5GuiConfigExtras.cmake.in
+index 84dbbfebd4..615bfed124 100644
+--- a/src/gui/Qt5GuiConfigExtras.cmake.in
++++ b/src/gui/Qt5GuiConfigExtras.cmake.in
+@@ -119,6 +119,10 @@ macro(_qt5gui_find_extra_libs Name Libs LibDir IncDirs)
+ if (NOT EXISTS "${Qt5Gui_${_cmake_lib_name}_LIBRARY}")
+ set(Qt5Gui_${_cmake_lib_name}_LIBRARY)
+ endif()
++ set(Qt5Gui_${_cmake_lib_name}_LIBRARY "${Qt5Gui_${_cmake_lib_name}_LIBRARY}/${_lib}.tbd")
++ if (NOT EXISTS "${Qt5Gui_${_cmake_lib_name}_LIBRARY}")
++ set(Qt5Gui_${_cmake_lib_name}_LIBRARY)
++ endif()
+ !!ENDIF
+ if (NOT Qt5Gui_${_cmake_lib_name}_LIBRARY)
+ # The above find_library call doesn\'t work for finding
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
new file mode 100644
index 000000000000..a43a46d8a69b
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/0013-define-kiosurfacesuccess.patch
@@ -0,0 +1,16 @@
+diff --git a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+index a367487e..c3aeca1d 100644
+--- a/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
++++ b/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.mm
+@@ -49,6 +49,11 @@
+ // but was only added in the 10.14 SDK, so declare it just in case.
+ extern "C" CFPropertyListRef CGColorSpaceCopyPropertyList(CGColorSpaceRef space);
+
++// Introduced in 10.13: http://codeworkshop.net/objc-diff/sdkdiffs/macos/10.13/IOSurface.html
++#if !defined(kIOSurfaceSuccess)
++#define kIOSurfaceSuccess KERN_SUCCESS
++#endif
++
+ QT_BEGIN_NAMESPACE
+
+ Q_LOGGING_CATEGORY(lcQpaIOSurface, "qt.qpa.backingstore.iosurface");
diff --git a/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
new file mode 100644
index 000000000000..3638268de7af
--- /dev/null
+++ b/infra/libkookie/nixpkgs/pkgs/development/libraries/qt-5/5.15/qtbase.patch.d/qtbase-sdk-10.12-mac.patch
@@ -0,0 +1,77 @@
+diff --git a/mkspecs/common/macx.conf b/mkspecs/common/macx.conf
+--- a/mkspecs/common/macx.conf
++++ b/mkspecs/common/macx.conf
+@@ -10,7 +10,7 @@ QMAKE_APPLE_DEVICE_ARCHS = x86_64
+
+ # Should be 10.15, but as long as the CI builds with
+ # older SDKs we have to keep this.
+-QT_MAC_SDK_VERSION_MIN = 10.14
++QT_MAC_SDK_VERSION_MIN = 10.12
+
+ QT_MAC_SDK_VERSION_MAX = 10.15
+
+diff --git a/src/corelib/kernel/qcore_mac.mm b/src/corelib/kernel/qcore_mac.mm
+--- a/src/corelib/kernel/qcore_mac.mm
++++ b/src/corelib/kernel/qcore_mac.mm
+@@ -261,16 +261,10 @@ QMacAutoReleasePool::QMacAutoReleasePool()
+
+ #ifdef QT_DEBUG
+ void *poolFrame = nullptr;
+- if (__builtin_available(macOS 10.14, iOS 12.0, tvOS 12.0, watchOS 5.0, *)) {
+- void *frame;
+- if (backtrace_from_fp(__builtin_frame_address(0), &frame, 1))
+- poolFrame = frame;
+- } else {
+ static const int maxFrames = 3;
+ void *callstack[maxFrames];
+ if (backtrace(callstack, maxFrames) == maxFrames)
+ poolFrame = callstack[maxFrames - 1];
+- }
+
+ if (poolFrame) {
+ Dl_info info;
+diff --git a/src/gui/rhi/qrhi.cpp b/src/gui/rhi/qrhi.cpp
+--- a/src/gui/rhi/qrhi.cpp
++++ b/src/gui/rhi/qrhi.cpp
+@@ -4251,7 +4251,7 @@ QRhi *QRhi::create(Implementation impl, QRhiInitParams *params, Flags flags, QRh
+ break;
+ #endif
+ case Metal:
+-#if defined(Q_OS_MACOS) || defined(Q_OS_IOS)
++#if 0
+ r->d = new QRhiMetal(static_cast<QRhiMetalInitParams *>(params),
+ static_cast<QRhiMetalNativeHandles *>(importDevice));
+ break;
+diff --git a/src/gui/rhi/rhi.pri b/src/gui/rhi/rhi.pri
+--- a/src/gui/rhi/rhi.pri
++++ b/src/gui/rhi/rhi.pri
+@@ -43,7 +43,7 @@ win32 {
+ LIBS += -ld3d11 -ldxgi -ldxguid
+ }
+
+-macos|ios {
++false {
+ HEADERS += \
+ rhi/qrhimetal_p.h \
+ rhi/qrhimetal_p_p.h
+diff --git a/src/plugins/platforms/cocoa/qcocoadrag.mm b/src/plugins/platforms/cocoa/qcocoadrag.mm
+--- a/src/plugins/platforms/cocoa/qcocoadrag.mm
++++ b/src/plugins/platforms/cocoa/qcocoadrag.mm
+@@ -133,7 +133,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+ NSImage *dragImage = [NSImage imageFromQImage:pm.toImage()];
+ Q_ASSERT(dragImage);
+
+- QMacPasteboard dragBoard(CFStringRef(NSPasteboardNameDrag), QMacInternalPasteboardMime::MIME_DND);
++ QMacPasteboard dragBoard((CFStringRef) NSDragPboard, QMacInternalPasteboardMime::MIME_DND);
+ m_drag->mimeData()->setData(QLatin1String("application/x-qt-mime-type-name"), QByteArray("dummy"));
+ dragBoard.setMimeData(m_drag->mimeData(), QMacPasteboard::LazyRequest);
+
+@@ -144,7 +144,7 @@ Qt::DropAction QCocoaDrag::drag(QDrag *o)
+ CGFloat flippedY = dragImage.size.height - hotSpot.y();
+ event_location.y -= flippedY;
+ NSSize mouseOffset_unused = NSMakeSize(0.0, 0.0);
+- NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSPasteboardNameDrag];
++ NSPasteboard *pboard = [NSPasteboard pasteboardWithName:NSDragPboard];
+
+ [theWindow dragImage:dragImage
+ at:event_location