profiles/base/make.defaults - third_party/overlays/chromiumos-overlay - Git at Google

 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 #
 # System-wide defaults for the Portage system
 # See portage(5) manpage

 # Profile IUSE injection (applies only to ebuilds which use EAPI 5 or later)
 IUSE_IMPLICIT="prefix prefix-guest prefix-stack"
 USE_EXPAND_UNPREFIXED="ARCH"
 USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL USERLAND"
 USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 hppa hppa-hpux ia64 ia64-hpux ia64-linux m68k m68k-mint mips nios2 ppc ppc64 ppc64-linux ppc-aix ppc-macos ppc-openbsd riscv s390 sh sparc sparc64-freebsd sparc64-solaris sparc-fbsd sparc-solaris x64-cygwin x64-freebsd x64-macos x64-openbsd x64-solaris x86 x86-cygwin x86-fbsd x86-freebsd x86-interix x86-linux x86-macos x86-netbsd x86-openbsd x86-solaris x86-winnt"
 USE_EXPAND_VALUES_ELIBC="AIX bionic Cygwin Darwin DragonFly FreeBSD glibc HPUX Interix mingw mintlib musl NetBSD OpenBSD SunOS uclibc Winnt"
 USE_EXPAND_VALUES_KERNEL="AIX Darwin FreeBSD freemint HPUX linux NetBSD OpenBSD SunOS Winnt"
 USE_EXPAND_VALUES_USERLAND="BSD GNU"

 # Env vars to expand into USE vars.  Modifying this requires prior
 # discussion on gentoo-dev@lists.gentoo.org.
 USE_EXPAND="ABI_ARM ABI_MIPS ABI_PPC ABI_S390 ABI_X86 ALSA_CARDS APACHE2_MODULES APACHE2_MPMS CALLIGRA_FEATURES CAMERAS COLLECTD_PLUGINS CPU_FLAGS_X86 CROSSCOMPILE_OPTS CURL_SSL DRACUT_MODULES DVB_CARDS ELIBC ENLIGHTENMENT_MODULES FCDSL_CARDS FFTOOLS FOO2ZJS_DEVICES FRITZCAPI_CARDS GPSD_PROTOCOLS GRUB_PLATFORMS INPUT_DEVICES KERNEL LCD_DEVICES LIBREOFFICE_EXTENSIONS LINGUAS LIRC_DEVICES LLVM_TARGETS MONKEYD_PLUGINS NETBEANS_MODULES NGINX_MODULES_HTTP NGINX_MODULES_MAIL NGINX_MODULES_STREAM OFED_DRIVERS OFFICE_IMPLEMENTATION OPENMPI_FABRICS OPENMPI_OFED_FEATURES OPENMPI_RM PHP_TARGETS PYTHON_SINGLE_TARGET PYTHON_TARGETS QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS RUBY_TARGETS SANE_BACKENDS USERLAND UWSGI_PLUGINS VIDEO_CARDS VOICEMAIL_STORAGE XFCE_PLUGINS XTABLES_ADDONS ROS_MESSAGES"

 # USE_EXPAND variables whose contents are not shown in package manager
 # output. Changes need discussion on gentoo-dev.
 USE_EXPAND_HIDDEN="USERLAND KERNEL ELIBC ABI_ARM ABI_MIPS ABI_PPC ABI_S390 ABI_X86 CPU_FLAGS_X86"

 # Basic CONFIG_PROTECT is defined by portage make.globals in /usr/share. That is really bad, kill it here.
 CONFIG_PROTECT="-/etc"
 CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf"

 # Variables that are set exclusively by the profile
 # and not by user configuration files.
 PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USERLAND USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL USE_EXPAND_VALUES_USERLAND"

 # 'Sane' defaults
 ELIBC="glibc"
 KERNEL="linux"
 USERLAND="GNU"
 INPUT_DEVICES="keyboard mouse"

 # Tomáš Chvátal <scarabeus@gentoo.org> (23 Mar 2013)
 # By default enable libreoffice implementation only.
 OFFICE_IMPLEMENTATION="libreoffice"

 # Tomáš Chvátal <scarabeus@gentoo.org> (12 Aug 2011)
 # By default do not build any grub platform and let it guess.
 GRUB_PLATFORMS=""

 # Tomáš Chvátal <scarabeus@gentoo.org> (05 May 2013)
 # By default enable all extensions with no dependencies
 LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"

 # Tomáš Chvátal <scarabeus@gentoo.org> (15 May 2011)
 # Andreas K. Hüttel <dilfridge@gentoo.org> (19 Aug 2011, 25 Mar 2012)
 # By default build all koffice / calligra features.
 CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author"

 # Pacho Ramos <pacho@gentoo.org> (14 Feb 2010)
 # Enable 'ptp2' by default as it is available for most cameras.
 CAMERAS="ptp2"

 # Ole Markus With <olemarkus@gentoo.org> (09 Oct 2010)
 # Default PHP targets (should always be latest stable version)
 PHP_TARGETS="php5-5"

 # Andreas K. Huettel <dilfridge@gentoo.org> (28 Sep 2010)
 # Small default list of enabled plugins for collectd
 COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"

 # Tomáš Chvátal <scarabeus@gentoo.org> (26 Oct 2010)
 # By default enable all protocols for average GPS user
 GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx"

 # Benedikt Böhm <hollow@gentoo.org> (27 Nov 2007)
 # Sane defaults for built-in apache modules
 # Patrick Lauer <patrick@gentoo.org> (12 Oct 2012)
 # extend for apache 2.4
 APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias"

 # Peter Volkov <pva@gentoo.org> (29 Apr 2010)
 # Set some defaults or package will fail to build (Check mconfig in package sources)
 XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"

 # Robert Buchholz <rbu@gentoo.org> (17 Jan 2006)
 # Some common lcd devices
 LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"

 # 2006/10/17 - Daniel Drake <dsd@gentoo.org>
 # cracklib is becoming optional in shadow (and removed from system) as of
 # today. However, cracklib is very standard across the Linux world so we
 # enable it by default.
 #
 # Diego Pettenò <flameeyes@gentoo.org> (14 Jul 2007)
 # Moved to base/ profile from default-linux/ so that it also applies to
 # embedded and hardened profiles.
 USE="${USE} cracklib"

 # Miroslav Šulc <fordfrog@gentoo.org> (19 Nov 2008)
 # Netbeans modules/clusters
 NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"

 # 2009/09/21 Robin H. Johnson <robbat2@gentoo.org>
 # https://archives.gentoo.org/gentoo-dev/msg_dc705dc2c1a45e18a85aa62e8fb17009.xml
 # Build kernel modules from linux-mod by default:
 USE="${USE} modules"

 # Alex Legler <a3li@gentoo.org> (30 Nov 2009)
 # Default Ruby build targets
 RUBY_TARGETS="ruby25"

 # Samuli Suominen <ssuominen@gentoo.org> (03 Dec 2009)
 # Enable USE cxx by default so base-system and toolchain pkgs can start using USE cxx
 # instead of USE nocxx.
 # https://archives.gentoo.org/gentoo-dev/msg_a181cd0d36600067b599f4b996c6989f.xml
 USE="${USE} cxx"

 # Tiziano Müller <dev-zero@gentoo.org> (24 Jan 2010)
 # We usually don't want python to (re)write .py[co] files during phase runs
 # since it could cause sandbox violations
 PYTHONDONTWRITEBYTECODE="1"

 # Jorge Manuel B. S. Vicetto <jmbsvicetto@gentoo.org> (16 Nov 2011)
 # Add default USE value for bootstrap and rename it from STAGE1_USE to BOOTSTRAP_USE
 # Add in expanded PYTHON_TARGETS or stage1 builds break because of USE="-* ${BOOTSTRAP_USE}"
 # This MUST be kept in sync with the PYTHON_TARGETS below
 BOOTSTRAP_USE="cxx unicode python_targets_python3_2 python_targets_python2_7"

 # Mike Gilbert <floppym@gentoo.org> (15 May 2012)
 # Default target(s) for python-r1.eclass
 PYTHON_TARGETS="-python2_7 python3_6"
 PYTHON_SINGLE_TARGET="-python2_7 python3_6"

 # Michał Górny <mgorny@gentoo.org> (10 Aug 2013)
 # Moved from portage's make.globals.
 # 1) do not uninstall kernel modules and therefore allow replacing them,
 #    Note: Disabled for CrOS.
 # 2) allow replacing unowned compiled Python modules (python-r1 migration),
 # 3) allow replacing unowned dropin.cache files (twisted-r1 migration).
 # 4) ignore collisions in the build-id tree. These are colliding symlinks
 #    specifying where to get debug symbols for two identical executables
 #    installed at different paths.
 COLLISION_IGNORE="*.py[co] *\$py.class */dropin.cache /usr/lib/debug/.build-id"
 UNINSTALL_IGNORE=""

 # Andreas K. Hüttel <dilfridge@gentoo.org> (23 Aug 2013)
 # Make emerge messages default to English as per Council decision
 LC_MESSAGES="C"

 # ChromeOS-specific: BOARD_USE for accessing board value in cros-board.eclass
 #                    CROS_WORKON_TREE for cros-workon
 #                    TESTS USE_EXPAND for autotest
 #                    TTY_CONSOLE for enabling tty consoles
 #                    U_BOOT_CONFIG_USE for selecting U-Boot config
 #                    U_BOOT_FDT_USE for selecting U-Boot device tree
 #                    LINUX_FIRMWARE for selecting upstream firmware components
 #                    OZONE_PLATFORM for platforms to build into chrome
 #                    EC_FIRMWARE for compiling the main EC image
 #                    EC_FIRMWARE_EXTRA for compiling other needed EC images
 #                    FPMCU_FIRMWARE for compiling the fingerprint firmware
 #
 # When you add a variable to USE_EXPAND, it means that if portage encounters
 # the specified variable in make.defaults it will expand it into a USE variable
 # with the prefix being a lowercase version of the variable.
 #
 # For example, if FPMCU_FIRMWARE is added to USE_EXPAND, setting
 #
 #   FPMCU_FIRMWARE="bloonchipper dartmonkey"
 #
 # in device-specific profile (e.g., overlays/baseboard-hatch/profiles/base/make.defaults)
 # will result in the following USE flags being created:
 #
 #   fpmcu_firmware_bloonchipper
 #   fpmcu_firmware_dartmonkey
 USE_EXPAND="${USE_EXPAND} BOARD_USE CROS_WORKON_TREE TESTS TTY_CONSOLE U_BOOT_CONFIG_USE U_BOOT_FDT_USE LINUX_FIRMWARE OZONE_PLATFORM OZONE_PLATFORM_DEFAULT EC_FIRMWARE EC_FIRMWARE_EXTRA FPMCU_FIRMWARE"
 USE_EXPAND_HIDDEN="${USE_EXPAND_HIDDEN} CROS_WORKON_TREE"

 # Default licenses that are accepted for ChromiumOS builds.
 # If you want to accept more, use the --accept_licenses flag
 # when running setup_board.
 ACCEPT_LICENSE="* -@EULA -@CHROMEOS"

 # By default, we only start a console on tty2.
 TTY_CONSOLE="tty2"

 # Explicitly set the default value to "" otherwise portage will default it to
 # "*".
 CROS_WORKON_TREE=""

 # We don't use the news feature anywhere.  Disable it to avoid useless runtime
 # overhead (especially with locking checks).
 FEATURES="-news"
	# Copyright 1999-2015 Gentoo Foundation
	# Distributed under the terms of the GNU General Public License v2
	#
	# System-wide defaults for the Portage system
	# See portage(5) manpage

	# Profile IUSE injection (applies only to ebuilds which use EAPI 5 or later)
	IUSE_IMPLICIT="prefix prefix-guest prefix-stack"
	USE_EXPAND_UNPREFIXED="ARCH"
	USE_EXPAND_IMPLICIT="ARCH ELIBC KERNEL USERLAND"
	USE_EXPAND_VALUES_ARCH="alpha amd64 amd64-fbsd amd64-linux arm arm-linux arm64 hppa hppa-hpux ia64 ia64-hpux ia64-linux m68k m68k-mint mips nios2 ppc ppc64 ppc64-linux ppc-aix ppc-macos ppc-openbsd riscv s390 sh sparc sparc64-freebsd sparc64-solaris sparc-fbsd sparc-solaris x64-cygwin x64-freebsd x64-macos x64-openbsd x64-solaris x86 x86-cygwin x86-fbsd x86-freebsd x86-interix x86-linux x86-macos x86-netbsd x86-openbsd x86-solaris x86-winnt"
	USE_EXPAND_VALUES_ELIBC="AIX bionic Cygwin Darwin DragonFly FreeBSD glibc HPUX Interix mingw mintlib musl NetBSD OpenBSD SunOS uclibc Winnt"
	USE_EXPAND_VALUES_KERNEL="AIX Darwin FreeBSD freemint HPUX linux NetBSD OpenBSD SunOS Winnt"
	USE_EXPAND_VALUES_USERLAND="BSD GNU"

	# Env vars to expand into USE vars. Modifying this requires prior
	# discussion on gentoo-dev@lists.gentoo.org.
	USE_EXPAND="ABI_ARM ABI_MIPS ABI_PPC ABI_S390 ABI_X86 ALSA_CARDS APACHE2_MODULES APACHE2_MPMS CALLIGRA_FEATURES CAMERAS COLLECTD_PLUGINS CPU_FLAGS_X86 CROSSCOMPILE_OPTS CURL_SSL DRACUT_MODULES DVB_CARDS ELIBC ENLIGHTENMENT_MODULES FCDSL_CARDS FFTOOLS FOO2ZJS_DEVICES FRITZCAPI_CARDS GPSD_PROTOCOLS GRUB_PLATFORMS INPUT_DEVICES KERNEL LCD_DEVICES LIBREOFFICE_EXTENSIONS LINGUAS LIRC_DEVICES LLVM_TARGETS MONKEYD_PLUGINS NETBEANS_MODULES NGINX_MODULES_HTTP NGINX_MODULES_MAIL NGINX_MODULES_STREAM OFED_DRIVERS OFFICE_IMPLEMENTATION OPENMPI_FABRICS OPENMPI_OFED_FEATURES OPENMPI_RM PHP_TARGETS PYTHON_SINGLE_TARGET PYTHON_TARGETS QEMU_SOFTMMU_TARGETS QEMU_USER_TARGETS RUBY_TARGETS SANE_BACKENDS USERLAND UWSGI_PLUGINS VIDEO_CARDS VOICEMAIL_STORAGE XFCE_PLUGINS XTABLES_ADDONS ROS_MESSAGES"

	# USE_EXPAND variables whose contents are not shown in package manager
	# output. Changes need discussion on gentoo-dev.
	USE_EXPAND_HIDDEN="USERLAND KERNEL ELIBC ABI_ARM ABI_MIPS ABI_PPC ABI_S390 ABI_X86 CPU_FLAGS_X86"

	# Basic CONFIG_PROTECT is defined by portage make.globals in /usr/share. That is really bad, kill it here.
	CONFIG_PROTECT="-/etc"
	CONFIG_PROTECT_MASK="/etc/env.d /etc/gconf"

	# Variables that are set exclusively by the profile
	# and not by user configuration files.
	PROFILE_ONLY_VARIABLES="ARCH ELIBC IUSE_IMPLICIT KERNEL USERLAND USE_EXPAND_IMPLICIT USE_EXPAND_UNPREFIXED USE_EXPAND_VALUES_ARCH USE_EXPAND_VALUES_ELIBC USE_EXPAND_VALUES_KERNEL USE_EXPAND_VALUES_USERLAND"

	# 'Sane' defaults
	ELIBC="glibc"
	KERNEL="linux"
	USERLAND="GNU"
	INPUT_DEVICES="keyboard mouse"

	# Tomáš Chvátal <scarabeus@gentoo.org> (23 Mar 2013)
	# By default enable libreoffice implementation only.
	OFFICE_IMPLEMENTATION="libreoffice"

	# Tomáš Chvátal <scarabeus@gentoo.org> (12 Aug 2011)
	# By default do not build any grub platform and let it guess.
	GRUB_PLATFORMS=""

	# Tomáš Chvátal <scarabeus@gentoo.org> (05 May 2013)
	# By default enable all extensions with no dependencies
	LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer"

	# Tomáš Chvátal <scarabeus@gentoo.org> (15 May 2011)
	# Andreas K. Hüttel <dilfridge@gentoo.org> (19 Aug 2011, 25 Mar 2012)
	# By default build all koffice / calligra features.
	CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author"

	# Pacho Ramos <pacho@gentoo.org> (14 Feb 2010)
	# Enable 'ptp2' by default as it is available for most cameras.
	CAMERAS="ptp2"

	# Ole Markus With <olemarkus@gentoo.org> (09 Oct 2010)
	# Default PHP targets (should always be latest stable version)
	PHP_TARGETS="php5-5"

	# Andreas K. Huettel <dilfridge@gentoo.org> (28 Sep 2010)
	# Small default list of enabled plugins for collectd
	COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog"

	# Tomáš Chvátal <scarabeus@gentoo.org> (26 Oct 2010)
	# By default enable all protocols for average GPS user
	GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ublox ubx"

	# Benedikt Böhm <hollow@gentoo.org> (27 Nov 2007)
	# Sane defaults for built-in apache modules
	# Patrick Lauer <patrick@gentoo.org> (12 Oct 2012)
	# extend for apache 2.4
	APACHE2_MODULES="authn_core authz_core socache_shmcb unixd actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache cgi cgid dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias"

	# Peter Volkov <pva@gentoo.org> (29 Apr 2010)
	# Set some defaults or package will fail to build (Check mconfig in package sources)
	XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account"

	# Robert Buchholz <rbu@gentoo.org> (17 Jan 2006)
	# Some common lcd devices
	LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text"

	# 2006/10/17 - Daniel Drake <dsd@gentoo.org>
	# cracklib is becoming optional in shadow (and removed from system) as of
	# today. However, cracklib is very standard across the Linux world so we
	# enable it by default.
	#
	# Diego Pettenò <flameeyes@gentoo.org> (14 Jul 2007)
	# Moved to base/ profile from default-linux/ so that it also applies to
	# embedded and hardened profiles.
	USE="${USE} cracklib"

	# Miroslav Šulc <fordfrog@gentoo.org> (19 Nov 2008)
	# Netbeans modules/clusters
	NETBEANS="apisupport cnd groovy gsf harness ide identity j2ee java mobility nb php profiler soa visualweb webcommon websvccommon xml"

	# 2009/09/21 Robin H. Johnson <robbat2@gentoo.org>
	# https://archives.gentoo.org/gentoo-dev/msg_dc705dc2c1a45e18a85aa62e8fb17009.xml
	# Build kernel modules from linux-mod by default:
	USE="${USE} modules"

	# Alex Legler <a3li@gentoo.org> (30 Nov 2009)
	# Default Ruby build targets
	RUBY_TARGETS="ruby25"

	# Samuli Suominen <ssuominen@gentoo.org> (03 Dec 2009)
	# Enable USE cxx by default so base-system and toolchain pkgs can start using USE cxx
	# instead of USE nocxx.
	# https://archives.gentoo.org/gentoo-dev/msg_a181cd0d36600067b599f4b996c6989f.xml
	USE="${USE} cxx"

	# Tiziano Müller <dev-zero@gentoo.org> (24 Jan 2010)
	# We usually don't want python to (re)write .py[co] files during phase runs
	# since it could cause sandbox violations
	PYTHONDONTWRITEBYTECODE="1"

	# Jorge Manuel B. S. Vicetto <jmbsvicetto@gentoo.org> (16 Nov 2011)
	# Add default USE value for bootstrap and rename it from STAGE1_USE to BOOTSTRAP_USE
	# Add in expanded PYTHON_TARGETS or stage1 builds break because of USE="-* ${BOOTSTRAP_USE}"
	# This MUST be kept in sync with the PYTHON_TARGETS below
	BOOTSTRAP_USE="cxx unicode python_targets_python3_2 python_targets_python2_7"

	# Mike Gilbert <floppym@gentoo.org> (15 May 2012)
	# Default target(s) for python-r1.eclass
	PYTHON_TARGETS="-python2_7 python3_6"
	PYTHON_SINGLE_TARGET="-python2_7 python3_6"

	# Michał Górny <mgorny@gentoo.org> (10 Aug 2013)
	# Moved from portage's make.globals.
	# 1) do not uninstall kernel modules and therefore allow replacing them,
	# Note: Disabled for CrOS.
	# 2) allow replacing unowned compiled Python modules (python-r1 migration),
	# 3) allow replacing unowned dropin.cache files (twisted-r1 migration).
	# 4) ignore collisions in the build-id tree. These are colliding symlinks
	# specifying where to get debug symbols for two identical executables
	# installed at different paths.
	COLLISION_IGNORE=".py[co] \$py.class */dropin.cache /usr/lib/debug/.build-id"
	UNINSTALL_IGNORE=""

	# Andreas K. Hüttel <dilfridge@gentoo.org> (23 Aug 2013)
	# Make emerge messages default to English as per Council decision
	LC_MESSAGES="C"

	# ChromeOS-specific: BOARD_USE for accessing board value in cros-board.eclass
	# CROS_WORKON_TREE for cros-workon
	# TESTS USE_EXPAND for autotest
	# TTY_CONSOLE for enabling tty consoles
	# U_BOOT_CONFIG_USE for selecting U-Boot config
	# U_BOOT_FDT_USE for selecting U-Boot device tree
	# LINUX_FIRMWARE for selecting upstream firmware components
	# OZONE_PLATFORM for platforms to build into chrome
	# EC_FIRMWARE for compiling the main EC image
	# EC_FIRMWARE_EXTRA for compiling other needed EC images
	# FPMCU_FIRMWARE for compiling the fingerprint firmware
	#
	# When you add a variable to USE_EXPAND, it means that if portage encounters
	# the specified variable in make.defaults it will expand it into a USE variable
	# with the prefix being a lowercase version of the variable.
	#
	# For example, if FPMCU_FIRMWARE is added to USE_EXPAND, setting
	#
	# FPMCU_FIRMWARE="bloonchipper dartmonkey"
	#
	# in device-specific profile (e.g., overlays/baseboard-hatch/profiles/base/make.defaults)
	# will result in the following USE flags being created:
	#
	# fpmcu_firmware_bloonchipper
	# fpmcu_firmware_dartmonkey
	USE_EXPAND="${USE_EXPAND} BOARD_USE CROS_WORKON_TREE TESTS TTY_CONSOLE U_BOOT_CONFIG_USE U_BOOT_FDT_USE LINUX_FIRMWARE OZONE_PLATFORM OZONE_PLATFORM_DEFAULT EC_FIRMWARE EC_FIRMWARE_EXTRA FPMCU_FIRMWARE"
	USE_EXPAND_HIDDEN="${USE_EXPAND_HIDDEN} CROS_WORKON_TREE"

	# Default licenses that are accepted for ChromiumOS builds.
	# If you want to accept more, use the --accept_licenses flag
	# when running setup_board.
	ACCEPT_LICENSE="* -@EULA -@CHROMEOS"

	# By default, we only start a console on tty2.
	TTY_CONSOLE="tty2"

	# Explicitly set the default value to "" otherwise portage will default it to
	# "*".
	CROS_WORKON_TREE=""

	# We don't use the news feature anywhere. Disable it to avoid useless runtime
	# overhead (especially with locking checks).
	FEATURES="-news"