qt5base-lts/mkspecs/features/uikit/default_post.prf
Jake Petroules 73331eebf8 Enable precompiled headers on iOS, tvOS, watchOS
The actual blocker for precompiled headers is not the iOS/tvOS/watchOS
platforms, but the way qmake handled multiple-architecture builds on
Apple platforms.

This patch allows multi-arch builds to be performed while using
precompiled headers.

Since df91ef3d6c55692a0236f67b6c6b134a3bf84098 (April 2009), Clang has
had support for PCH files in the driver, which allows to use the
-include flag to automatically translate to -include-pch. We can then
take advantage of the fact that the -include option is allowed to not
be separate from its argument, which lets us take advantage of -Xarch to
specify a per-architecture precompiled header file.

This is done through some magic in the qmake Makefile generator which
"multiplexes" the PCH creation rule across multiple architectures and
replaces a series of tokens with the proper precompiled header paths
and architecture flags at usage point.

Change-Id: I76c8dc9cda7e218869c2919f023d9b04f311c6fd
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
2016-09-02 08:25:31 +00:00

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equals(TEMPLATE, app):qt {
# If the application uses Qt, it needs to be an application bundle
# to be able to deploy and run on iOS. The only exception to this
# is if you're working with a jailbroken device and can run the
# resulting binary from the console/over SSH, but that's not a
# use-case we care about, so no need to complicate the logic.
CONFIG *= app_bundle
# For Qt applications we want Xcode project files as the generated output,
# but since qmake doesn't handle the transition between makefiles and Xcode
# project files (which happens when using subdirs), we can't just override
# MAKEFILE_GENERATOR. Instead, we generate the Xcode project by spawning a
# child qmake process with -spec macx-xcode and let the top level qmake
# process generate a wrapper makefile that forwards everything to xcodebuild.
equals(MAKEFILE_GENERATOR, UNIX): \
CONFIG = xcodebuild $$CONFIG
}
load(default_post)
macx-xcode {
device_family.name = TARGETED_DEVICE_FAMILY
ios: device_family.value = $$QMAKE_IOS_TARGETED_DEVICE_FAMILY
tvos: device_family.value = $$QMAKE_TVOS_TARGETED_DEVICE_FAMILY
watchos: device_family.value = $$QMAKE_WATCHOS_TARGETED_DEVICE_FAMILY
QMAKE_MAC_XCODE_SETTINGS += device_family
ios {
# If QMAKE_BUNDLE_DATA contains an asset catalog that includes an
# AppIcon.appiconset, we configure Xcode to use it for app icons.
for(bundle_data, QMAKE_BUNDLE_DATA) {
for(bundle_file, $${bundle_data}.files) {
!contains(bundle_file, .*\.xcassets$): next()
!exists($$absolute_path($$bundle_file/AppIcon.appiconset, $$_PRO_FILE_PWD_)): next()
asset_catalog_appicon.name = "ASSETCATALOG_COMPILER_APPICON_NAME"
asset_catalog_appicon.value = "AppIcon"
QMAKE_MAC_XCODE_SETTINGS += asset_catalog_appicon
break()
}
!isEmpty(asset_catalog_appicon.name): break()
}
# Set up default 4-inch iPhone/iPod launch image so that our apps
# support the full screen resolution of those devices.
qmake_launch_image = Default-568h@2x.png
qmake_copy_image.input = $$QMAKESPEC/$$qmake_launch_image
qmake_copy_image.output = $$OUT_PWD/$${TARGET}.xcodeproj/$$qmake_launch_image
qmake_copy_image.CONFIG = verbatim
QMAKE_SUBSTITUTES += qmake_copy_image
qmake_launch_images.files = $$qmake_copy_image.output
QMAKE_BUNDLE_DATA += qmake_launch_images
lessThan(QMAKE_XCODE_VERSION, "6.0") {
warning("You need to update Xcode to version 6 or newer to fully support iPhone6/6+")
} else {
# Set up default LaunchScreen to support iPhone6/6+
qmake_launch_screen = LaunchScreen.xib
qmake_copy_launch_screen.input = $$QMAKESPEC/$$qmake_launch_screen
qmake_copy_launch_screen.output = $$OUT_PWD/$${TARGET}.xcodeproj/$$qmake_launch_screen
QMAKE_SUBSTITUTES += qmake_copy_launch_screen
qmake_launch_screens.files = $$qmake_copy_launch_screen.output
QMAKE_BUNDLE_DATA += qmake_launch_screens
}
}
}
macx-xcode {
arch_device.name = "ARCHS[sdk=$${device.sdk}*]"
arch_simulator.name = "ARCHS[sdk=$${simulator.sdk}*]"
ios {
arch_device.value = $$QMAKE_IOS_DEVICE_ARCHS
arch_simulator.value = $$QMAKE_IOS_SIMULATOR_ARCHS
QMAKE_XCODE_ARCHS = $$QMAKE_IOS_DEVICE_ARCHS $$QMAKE_IOS_SIMULATOR_ARCHS
}
tvos {
arch_device.value = $$QMAKE_TVOS_DEVICE_ARCHS
arch_simulator.value = $$QMAKE_TVOS_SIMULATOR_ARCHS
QMAKE_XCODE_ARCHS = $$QMAKE_TVOS_DEVICE_ARCHS $$QMAKE_TVOS_SIMULATOR_ARCHS
}
watchos {
arch_device.value = $$QMAKE_WATCHOS_DEVICE_ARCHS
arch_simulator.value = $$QMAKE_WATCHOS_SIMULATOR_ARCHS
QMAKE_XCODE_ARCHS = $$QMAKE_WATCHOS_DEVICE_ARCHS $$QMAKE_WATCHOS_SIMULATOR_ARCHS
}
QMAKE_MAC_XCODE_SETTINGS += arch_device 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 {
# Be more specific about which architecture we're targeting
contains(QT_ARCH, arm.*) {
ios: VALID_ARCHS = $$QMAKE_IOS_DEVICE_ARCHS
tvos: VALID_ARCHS = $$QMAKE_TVOS_DEVICE_ARCHS
watchos: VALID_ARCHS = $$QMAKE_WATCHOS_DEVICE_ARCHS
} else {
ios: VALID_ARCHS = $$QMAKE_IOS_SIMULATOR_ARCHS
tvos: VALID_ARCHS = $$QMAKE_TVOS_SIMULATOR_ARCHS
watchos: VALID_ARCHS = $$QMAKE_WATCHOS_SIMULATOR_ARCHS
}
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
}