www-client/firefox: bump to v60

Includes mozcoreconf-v6 and mozconfig-v6.60 eclasses

Closes: http://bugs.gentoo.org/653678
Closes: http://bugs.gentoo.org/655396
Closes: http://bugs.gentoo.org/655022

Package-Manager: Portage-2.3.24, Repoman-2.3.6

2 files changed, 673 insertions, 0 deletions

diff --git a/eclass/mozconfig-v6.60.eclass b/eclass/mozconfig-v6.60.eclass
new file mode 100644
index 000000000000..464f14d2ce93
--- /dev/null
+++ b/eclass/mozconfig-v6.60.eclass
@@ -0,0 +1,396 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+#
+# @ECLASS: mozconfig-v6.58.eclass
+# @MAINTAINER:
+# mozilla team <mozilla@gentoo.org>
+# @BLURB: the new mozilla common configuration eclass for FF33 and newer, v6
+# @DESCRIPTION:
+# This eclass is used in mozilla ebuilds (firefox, thunderbird, seamonkey)
+# to provide a single common place for the common mozilla engine compoments.
+#
+# The eclass provides all common dependencies as well as common use flags.
+#
+# Some use flags which may be optional in particular mozilla packages can be
+# supported through setting eclass variables.
+#
+# This eclass inherits mozconfig helper functions as defined in mozcoreconf-v3,
+# and so ebuilds inheriting this eclass do not need to inherit that.
+
+case ${EAPI} in
+	0|1|2|3|4)
+		die "EAPI=${EAPI} not supported"
+		;;
+	5)
+		inherit multilib
+		;;
+esac
+
+inherit flag-o-matic toolchain-funcs mozcoreconf-v6
+
+# @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_WIFI
+# @DESCRIPTION:
+# Set this variable before the inherit line, when an ebuild needs to provide
+# optional necko-wifi support via IUSE="wifi".  Currently this would include
+# ebuilds for firefox, and potentially seamonkey.
+#
+# Leave the variable UNSET if necko-wifi support should not be available.
+# Set the variable to "enabled" if the use flag should be enabled by default.
+# Set the variable to any value if the use flag should exist but not be default-enabled.
+
+# @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_JIT
+# @DESCRIPTION:
+# Set this variable before the inherit line, when an ebuild needs to provide
+# deterministic jit support via IUSE="jit".  The upstream default will be used
+# otherwise, which is generally to enable jit unless support for the platform
+# is missing.
+#
+# Set the variable to "enabled" if the use flag should be enabled by default.
+# Set the variable to any value if the use flag should exist but not be default-enabled.
+
+# @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_GTK3
+# @DESCRIPTION:
+# Set this variable before the inherit line, when an ebuild can provide
+# optional gtk3 support via IUSE="force-gtk3".  Currently this would include
+# thunderbird and seamonkey in the future, once support is ready for testing.
+#
+# Leave the variable UNSET if gtk3 support should not be optionally available.
+# Set the variable to "enabled" if the use flag should be enabled by default.
+# Set the variable to any value if the use flag should exist but not be default-enabled.
+# If gtk+:3 is to be the standard toolkit, do not use this and instead use
+# MOZCONFIG_OPTIONAL_GTK2ONLY.
+
+# @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_GTK2ONLY
+# @DESCRIPTION:
+# Set this variable before the inherit line, when an ebuild can provide
+# optional gtk2-only support via IUSE="gtk2".
+#
+# Note that this option conflicts directly with MOZCONFIG_OPTIONAL_GTK3, both
+# variables cannot be set at the same time and this variable will be ignored if
+# MOZCONFIG_OPTIONAL_GTK3 is set.
+#
+# Leave the variable UNSET if gtk2-only support should not be available.
+# Set the variable to "enabled" if the use flag should be enabled by default.
+# Set the variable to any value if the use flag should exist but not be default-enabled.
+
+# @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_QT5
+# @DESCRIPTION:
+# Set this variable before the inherit line, when an ebuild can provide
+# optional qt5 support via IUSE="qt5".  Currently this would include
+# ebuilds for firefox, but thunderbird and seamonkey could follow in the future.
+#
+# Leave the variable UNSET if qt5 support should not be available.
+# Set the variable to "enabled" if the use flag should be enabled by default.
+# Set the variable to any value if the use flag should exist but not be default-enabled.
+
+# use-flags common among all mozilla ebuilds
+IUSE="${IUSE} dbus debug neon pulseaudio selinux startup-notification system-harfbuzz
+ system-icu system-jpeg system-libevent system-sqlite system-libvpx"
+
+# some notes on deps:
+# gtk:2 minimum is technically 2.10 but gio support (enabled by default) needs 2.14
+# media-libs/mesa needs to be 10.2 or above due to a bug with flash+vdpau
+
+RDEPEND=">=app-text/hunspell-1.5.4:=
+	dev-libs/atk
+	dev-libs/expat
+	>=x11-libs/cairo-1.10[X]
+	>=x11-libs/gtk+-2.18:2
+	x11-libs/gdk-pixbuf
+	>=x11-libs/pango-1.22.0
+	>=media-libs/libpng-1.6.34:0=[apng]
+	>=media-libs/mesa-10.2:*
+	media-libs/fontconfig
+	>=media-libs/freetype-2.4.10
+	kernel_linux? ( !pulseaudio? ( media-libs/alsa-lib ) )
+	virtual/freedesktop-icon-theme
+	dbus? ( >=sys-apps/dbus-0.60
+		>=dev-libs/dbus-glib-0.72 )
+	startup-notification? ( >=x11-libs/startup-notification-0.8 )
+	>=x11-libs/pixman-0.19.2
+	>=dev-libs/glib-2.26:2
+	>=sys-libs/zlib-1.2.3
+	>=virtual/libffi-3.0.10
+	virtual/ffmpeg
+	x11-libs/libX11
+	x11-libs/libXcomposite
+	x11-libs/libXdamage
+	x11-libs/libXext
+	x11-libs/libXfixes
+	x11-libs/libXrender
+	x11-libs/libXt
+	system-icu? ( >=dev-libs/icu-59.1:= )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-libevent? ( >=dev-libs/libevent-2.0:0= )
+	system-sqlite? ( >=dev-db/sqlite-3.20.1:3[secure-delete,debug=] )
+	system-libvpx? ( >=media-libs/libvpx-1.5.0:0=[postproc] )
+	system-harfbuzz? ( >=media-libs/harfbuzz-1.4.2:0= >=media-gfx/graphite2-1.3.9-r1 )
+"
+
+if [[ -n ${MOZCONFIG_OPTIONAL_GTK3} ]]; then
+	MOZCONFIG_OPTIONAL_GTK2ONLY=
+	if [[ ${MOZCONFIG_OPTIONAL_GTK3} = "enabled" ]]; then
+		IUSE+=" +force-gtk3"
+	else
+		IUSE+=" force-gtk3"
+	fi
+	RDEPEND+=" force-gtk3? ( >=x11-libs/gtk+-3.4.0:3 )"
+elif [[ -n ${MOZCONFIG_OPTIONAL_GTK2ONLY} ]]; then
+	if [[ ${MOZCONFIG_OPTIONAL_GTK2ONLY} = "enabled" ]]; then
+		IUSE+=" +gtk2"
+	else
+		IUSE+=" gtk2"
+	fi
+	RDEPEND+=" !gtk2? ( >=x11-libs/gtk+-3.4.0:3 )"
+else
+	# no gtk3 related dep set by optional use flags, force it
+	RDEPEND+="  >=x11-libs/gtk+-3.4.0:3"
+fi
+if [[ -n ${MOZCONFIG_OPTIONAL_WIFI} ]]; then
+	if [[ ${MOZCONFIG_OPTIONAL_WIFI} = "enabled" ]]; then
+		IUSE+=" +wifi"
+	else
+		IUSE+=" wifi"
+	fi
+	RDEPEND+="
+	wifi? (
+		kernel_linux? ( >=sys-apps/dbus-0.60
+			>=dev-libs/dbus-glib-0.72
+			net-misc/networkmanager )
+	)"
+fi
+
+DEPEND="app-arch/zip
+	app-arch/unzip
+	>=sys-devel/binutils-2.16.1
+	sys-apps/findutils
+	pulseaudio? ( media-sound/pulseaudio )
+	|| (
+		( >=dev-lang/rust-1.24.0[-extended(-)] >=dev-util/cargo-0.24.0 )
+		>=dev-lang/rust-1.24.0[extended]
+		( >=dev-lang/rust-bin-1.24.0 >=dev-util/cargo-0.24.0 )
+	)
+	${RDEPEND}"
+
+RDEPEND+="
+	pulseaudio? ( || ( media-sound/pulseaudio
+		>=media-sound/apulse-0.1.9 ) )
+	selinux? ( sec-policy/selinux-mozilla )"
+
+# @FUNCTION: mozconfig_config
+# @DESCRIPTION:
+# Set common configure options for mozilla packages.
+# Call this within src_configure() phase, after mozconfig_init
+#
+# Example:
+#
+# inherit mozconfig-v6.46
+#
+# src_configure() {
+# 	mozconfig_init
+# 	mozconfig_config
+#	# ... misc ebuild-unique settings via calls to
+#	# ... mozconfig_{annotate,use_with,use_enable}
+#	mozconfig_final
+# }
+
+mozconfig_config() {
+	# Migrated from mozcoreconf-2
+	mozconfig_annotate 'system_libs' \
+		--with-system-zlib \
+		--with-system-bz2
+
+	# Stylo is only broken on x86 builds
+	use x86 && mozconfig_annotate 'Upstream bug 1341234' --disable-stylo
+
+	# Must pass release in order to properly select linker
+	mozconfig_annotate 'Enable by Gentoo' --enable-release
+
+	# Must pass --enable-gold if using ld.gold
+	if tc-ld-is-gold ; then
+		mozconfig_annotate 'tc-ld-is-gold=true' --enable-gold
+	else
+		mozconfig_annotate 'tc-ld-is-gold=false' --disable-gold
+	fi
+
+	if has bindist ${IUSE}; then
+		mozconfig_use_enable !bindist official-branding
+		if [[ ${PN} == firefox ]] && use bindist ; then
+			mozconfig_annotate '' --with-branding=browser/branding/aurora
+		fi
+	fi
+
+	# Enable position independent executables
+	mozconfig_annotate 'enabled by Gentoo' --enable-pie
+	mozconfig_use_enable debug
+	mozconfig_use_enable debug tests
+
+	if ! use debug ; then
+		mozconfig_annotate 'disabled by Gentoo' --disable-debug-symbols
+	else
+		mozconfig_annotate 'enabled by Gentoo' --enable-debug-symbols
+	fi
+
+	mozconfig_use_enable startup-notification
+
+	if [[ -n ${MOZCONFIG_OPTIONAL_WIFI} ]] ; then
+		# wifi pulls in dbus so manage both here
+		mozconfig_use_enable wifi necko-wifi
+		if use kernel_linux && use wifi && ! use dbus; then
+			echo "Enabling dbus support due to wifi request"
+			mozconfig_annotate 'dbus required by necko-wifi on linux' --enable-dbus
+		else
+			mozconfig_use_enable dbus
+		fi
+	else
+		mozconfig_use_enable dbus
+		mozconfig_annotate 'disabled' --disable-necko-wifi
+	fi
+
+	if [[ -n ${MOZCONFIG_OPTIONAL_JIT} ]]; then
+		mozconfig_use_enable jit ion
+	fi
+
+	# These are enabled by default in all mozilla applications
+	mozconfig_annotate '' --with-system-nspr --with-nspr-prefix="${SYSROOT}${EPREFIX}"/usr
+	mozconfig_annotate '' --with-system-nss --with-nss-prefix="${SYSROOT}${EPREFIX}"/usr
+	mozconfig_annotate '' --x-includes="${SYSROOT}${EPREFIX}"/usr/include --x-libraries="${SYSROOT}${EPREFIX}"/usr/$(get_libdir)
+	if use system-libevent; then
+		mozconfig_annotate '' --with-system-libevent="${SYSROOT}${EPREFIX}"/usr
+	fi
+	mozconfig_annotate '' --prefix="${EPREFIX}"/usr
+	mozconfig_annotate '' --libdir="${EPREFIX}"/usr/$(get_libdir)
+	mozconfig_annotate 'Gentoo default' --enable-system-hunspell
+	mozconfig_annotate '' --disable-crashreporter
+	mozconfig_annotate 'Gentoo default' --with-system-png
+	mozconfig_annotate '' --enable-system-ffi
+	mozconfig_annotate '' --disable-gconf
+	mozconfig_annotate '' --with-intl-api
+	mozconfig_annotate '' --enable-system-pixman
+
+	# skia has no support for big-endian platforms
+	if [[ $(tc-endian) == "big" ]]; then
+		mozconfig_annotate 'big endian target' --disable-skia
+	else
+		mozconfig_annotate '' --enable-skia
+	fi
+
+	# default toolkit is cairo-gtk3, optional use flags can change this
+	local toolkit="cairo-gtk3"
+	local toolkit_comment=""
+	if [[ -n ${MOZCONFIG_OPTIONAL_GTK3} ]]; then
+		if ! use force-gtk3; then
+			toolkit="cairo-gtk2"
+			toolkit_comment="force-gtk3 use flag"
+		fi
+	fi
+	if [[ -n ${MOZCONFIG_OPTIONAL_GTK2ONLY} ]]; then
+		if use gtk2 ; then
+			toolkit="cairo-gtk2"
+		else
+			toolkit_comment="gtk2 use flag"
+		fi
+	fi
+	if [[ -n ${MOZCONFIG_OPTIONAL_QT5} ]]; then
+		if use qt5; then
+			toolkit="cairo-qt"
+			toolkit_comment="qt5 use flag"
+			# need to specify these vars because the qt5 versions are not found otherwise,
+			# and setting --with-qtdir overrides the pkg-config include dirs
+			local i
+			for i in qmake moc rcc; do
+				echo "export HOST_${i^^}=\"$(qt5_get_bindir)/${i}\"" \
+					>> "${S}"/.mozconfig || die
+			done
+			echo 'unset QTDIR' >> "${S}"/.mozconfig || die
+			mozconfig_annotate '+qt5' --disable-gio
+		fi
+	fi
+	mozconfig_annotate "${toolkit_comment}" --enable-default-toolkit=${toolkit}
+
+	# Instead of the standard --build= and --host=, mozilla uses --host instead
+	# of --build, and --target intstead of --host.
+	# Note, mozilla also has --build but it does not do what you think it does.
+	# Set both --target and --host as mozilla uses python to guess values otherwise
+	mozconfig_annotate '' --target="${CHOST}"
+	mozconfig_annotate '' --host="${CBUILD:-${CHOST}}"
+
+	mozconfig_use_enable pulseaudio
+	# force the deprecated alsa sound code if pulseaudio is disabled
+	if use kernel_linux && ! use pulseaudio ; then
+		mozconfig_annotate '-pulseaudio' --enable-alsa
+	fi
+
+	# For testing purpose only
+	mozconfig_annotate 'Sandbox' --enable-content-sandbox
+
+	mozconfig_use_enable system-sqlite
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-icu
+	mozconfig_use_with system-libvpx
+	mozconfig_use_with system-harfbuzz
+	mozconfig_use_with system-harfbuzz system-graphite2
+
+	# Modifications to better support ARM, bug 553364
+	if use neon ; then
+		mozconfig_annotate '' --with-fpu=neon
+		mozconfig_annotate '' --with-thumb=yes
+		mozconfig_annotate '' --with-thumb-interwork=no
+	fi
+	if [[ ${CHOST} == armv* ]] ; then
+		mozconfig_annotate '' --with-float-abi=hard
+		if ! use system-libvpx ; then
+			sed -i -e "s|softfp|hard|" \
+				"${S}"/media/libvpx/moz.build
+		fi
+	fi
+}
+
+# @FUNCTION: mozconfig_install_prefs
+# @DESCRIPTION:
+# Set preferences into the prefs.js file specified as a parameter to
+# the function.  This sets both some common prefs to all mozilla
+# packages, and any prefs that may relate to the use flags administered
+# by mozconfig_config().
+#
+# Call this within src_install() phase, after copying the template
+# prefs file (if any) from ${FILESDIR}
+#
+# Example:
+#
+# inherit mozconfig-v6.46
+#
+# src_install() {
+# 	cp "${FILESDIR}"/gentoo-default-prefs.js \
+#	"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js"  \
+#	|| die
+#
+# 	mozconfig_install_prefs \
+#	"${BUILD_OBJ_DIR}/dist/bin/browser/defaults/preferences/all-gentoo.js"
+#
+#	...
+# }
+
+mozconfig_install_prefs() {
+	local prefs_file="${1}"
+
+	einfo "Adding prefs from mozconfig to ${prefs_file}"
+
+	# set dictionary path, to use system hunspell
+	echo "pref(\"spellchecker.dictionary_path\", \"${EPREFIX}/usr/share/myspell\");" \
+		>>"${prefs_file}" || die
+
+	# force the graphite pref if system-harfbuzz is enabled, since the pref cant disable it
+	if use system-harfbuzz ; then
+		echo "sticky_pref(\"gfx.font_rendering.graphite.enabled\",true);" \
+			>>"${prefs_file}" || die
+	fi
+
+	# force cairo as the canvas renderer on platforms without skia support
+	if [[ $(tc-endian) == "big" ]] ; then
+		echo "sticky_pref(\"gfx.canvas.azure.backends\",\"cairo\");" \
+			>>"${prefs_file}" || die
+		echo "sticky_pref(\"gfx.content.azure.backends\",\"cairo\");" \
+			>>"${prefs_file}" || die
+	fi
+}
diff --git a/eclass/mozcoreconf-v6.eclass b/eclass/mozcoreconf-v6.eclass
new file mode 100644
index 000000000000..64e0e3d66d33
--- /dev/null
+++ b/eclass/mozcoreconf-v6.eclass
@@ -0,0 +1,277 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+#
+# @ECLASS: mozcoreconf-v5.eclass
+# @MAINTAINER:
+# Mozilla team <mozilla@gentoo.org>
+# @BLURB: core options and configuration functions for mozilla
+# @DESCRIPTION:
+#
+# inherit mozconfig-v6.* or above for mozilla configuration support
+
+# @ECLASS-VARIABLE: MOZILLA_FIVE_HOME
+# @DESCRIPTION:
+# This is an eclass-generated variable that defines the rpath that the mozilla
+# product will be installed in.  Read-only
+
+if [[ ! ${_MOZCORECONF} ]]; then
+
+PYTHON_COMPAT=( python2_7 )
+PYTHON_REQ_USE='ncurses,sqlite,ssl,threads'
+
+inherit multilib toolchain-funcs flag-o-matic python-any-r1 versionator
+
+IUSE="${IUSE} custom-cflags custom-optimization"
+
+DEPEND="virtual/pkgconfig
+	${PYTHON_DEPS}"
+
+# @FUNCTION: mozconfig_annotate
+# @DESCRIPTION:
+# add an annotated line to .mozconfig
+#
+# Example:
+# mozconfig_annotate "building on ultrasparc" --enable-js-ultrasparc
+# => ac_add_options --enable-js-ultrasparc # building on ultrasparc
+mozconfig_annotate() {
+	declare reason=$1 x ; shift
+	[[ $# -gt 0 ]] || die "mozconfig_annotate missing flags for ${reason}\!"
+	for x in ${*}; do
+		echo "ac_add_options ${x} # ${reason}" >>.mozconfig
+	done
+}
+
+# @FUNCTION: mozconfig_use_enable
+# @DESCRIPTION:
+# add a line to .mozconfig based on a USE-flag
+#
+# Example:
+# mozconfig_use_enable truetype freetype2
+# => ac_add_options --enable-freetype2 # +truetype
+mozconfig_use_enable() {
+	declare flag=$(use_enable "$@")
+	mozconfig_annotate "$(use $1 && echo +$1 || echo -$1)" "${flag}"
+}
+
+# @FUNCTION mozconfig_use_with
+# @DESCRIPTION
+# add a line to .mozconfig based on a USE-flag
+#
+# Example:
+# mozconfig_use_with kerberos gss-api /usr/$(get_libdir)
+# => ac_add_options --with-gss-api=/usr/lib # +kerberos
+mozconfig_use_with() {
+	declare flag=$(use_with "$@")
+	mozconfig_annotate "$(use $1 && echo +$1 || echo -$1)" "${flag}"
+}
+
+# @FUNCTION mozconfig_use_extension
+# @DESCRIPTION
+# enable or disable an extension based on a USE-flag
+#
+# Example:
+# mozconfig_use_extension gnome gnomevfs
+# => ac_add_options --enable-extensions=gnomevfs
+mozconfig_use_extension() {
+	declare minus=$(use $1 || echo -)
+	mozconfig_annotate "${minus:-+}$1" --enable-extensions=${minus}${2}
+}
+
+moz_pkgsetup() {
+	# Ensure we use C locale when building
+	export LANG="C"
+	export LC_ALL="C"
+	export LC_MESSAGES="C"
+	export LC_CTYPE="C"
+
+	# Ensure we use correct toolchain
+	export HOST_CC="$(tc-getBUILD_CC)"
+	export HOST_CXX="$(tc-getBUILD_CXX)"
+	tc-export CC CXX LD PKG_CONFIG AR RANLIB
+
+	# Ensure that we have a sane build enviroment
+	export MOZILLA_CLIENT=1
+	export BUILD_OPT=1
+	export NO_STATIC_LIB=1
+	export USE_PTHREADS=1
+	export ALDFLAGS=${LDFLAGS}
+	# ensure MOZCONFIG is not defined
+	unset MOZCONFIG
+
+	# set MOZILLA_FIVE_HOME
+	export MOZILLA_FIVE_HOME="/usr/$(get_libdir)/${PN}"
+
+	# nested configure scripts in mozilla products generate unrecognized options
+	# false positives when toplevel configure passes downwards.
+	export QA_CONFIGURE_OPTIONS=".*"
+
+	if [[ $(gcc-major-version) -eq 3 ]]; then
+		ewarn "Unsupported compiler detected, DO NOT file bugs for"
+		ewarn "outdated compilers. Bugs opened with gcc-3 will be closed"
+		ewarn "invalid."
+	fi
+
+	python-any-r1_pkg_setup
+}
+
+# @FUNCTION: mozconfig_init
+# @DESCRIPTION:
+# Initialize mozilla configuration and populate with core settings.
+# This should be called in src_configure before any other mozconfig_* functions.
+mozconfig_init() {
+	declare enable_optimize pango_version myext x
+	declare XUL=$([[ ${PN} == xulrunner ]] && echo true || echo false)
+	declare FF=$([[ ${PN} == firefox ]] && echo true || echo false)
+	declare SM=$([[ ${PN} == seamonkey ]] && echo true || echo false)
+	declare TB=$([[ ${PN} == thunderbird ]] && echo true || echo false)
+
+	####################################
+	#
+	# Setup the initial .mozconfig
+	# See http://www.mozilla.org/build/configure-build.html
+	#
+	####################################
+
+	case ${PN} in
+		*xulrunner)
+			cp xulrunner/config/mozconfig .mozconfig \
+				|| die "cp xulrunner/config/mozconfig failed" ;;
+		*firefox)
+			cp browser/config/mozconfig .mozconfig \
+				|| die "cp browser/config/mozconfig failed" ;;
+		seamonkey)
+			# Must create the initial mozconfig to enable application
+			: >.mozconfig || die "initial mozconfig creation failed"
+			mozconfig_annotate "" --enable-application=suite ;;
+		*thunderbird)
+			# Must create the initial mozconfig to enable application
+			: >.mozconfig || die "initial mozconfig creation failed"
+			mozconfig_annotate "" --enable-application=mail ;;
+	esac
+
+	####################################
+	#
+	# CFLAGS setup and ARCH support
+	#
+	####################################
+
+	# Set optimization level
+	if [[ $(gcc-major-version) -ge 7 ]]; then
+		mozconfig_annotate "Workaround known breakage" --enable-optimize=-O2
+	elif [[ ${ARCH} == hppa ]]; then
+		mozconfig_annotate "more than -O0 causes a segfault on hppa" --enable-optimize=-O0
+	elif [[ ${ARCH} == x86 ]]; then
+		mozconfig_annotate "less than -O2 causes a segfault on x86" --enable-optimize=-O2
+	elif [[ ${ARCH} == arm ]] && [[ $(gcc-major-version) -ge 6 ]]; then
+		mozconfig_annotate "less than -O2 causes a breakage on arm with gcc-6" --enable-optimize=-O2
+	elif use custom-optimization || [[ ${ARCH} =~ (alpha|ia64) ]]; then
+		# Set optimization level based on CFLAGS
+		if is-flag -O0; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O0
+		elif [[ ${ARCH} == ppc ]] && has_version '>=sys-libs/glibc-2.8'; then
+			mozconfig_annotate "more than -O1 segfaults on ppc with glibc-2.8" --enable-optimize=-O1
+		elif is-flag -O4; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O4
+		elif is-flag -O3; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O3
+		elif is-flag -O1; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O1
+		elif is-flag -Os; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-Os
+		else
+			mozconfig_annotate "Gentoo's default optimization" --enable-optimize=-O2
+		fi
+	else
+		# Enable Mozilla's default
+		mozconfig_annotate "mozilla default" --enable-optimize
+	fi
+
+	# Strip optimization so it does not end up in compile string
+	filter-flags '-O*'
+
+	# Strip over-aggressive CFLAGS
+	use custom-cflags || strip-flags
+
+	# Additional ARCH support
+	case "${ARCH}" in
+	arm)
+		# Reduce the memory requirements for linking
+		append-ldflags -Wl,--no-keep-memory -Wl,--reduce-memory-overheads
+		;;
+	alpha)
+		# Historically we have needed to add -fPIC manually for 64-bit.
+		# Additionally, alpha should *always* build with -mieee for correct math
+		# operation
+		append-flags -fPIC -mieee
+		;;
+	ia64)
+		# Historically we have needed to add this manually for 64-bit
+		append-flags -fPIC
+		;;
+	ppc64)
+		append-flags -fPIC -mminimal-toc
+		# Reduce the memory requirements for linking
+		append-ldflags -Wl,--no-keep-memory -Wl,--reduce-memory-overheads
+		;;
+	esac
+
+	# We need to append flags for gcc-6 support
+	if [[ $(gcc-major-version) -ge 6 ]]; then
+		append-cxxflags -fno-delete-null-pointer-checks -fno-lifetime-dse -fno-schedule-insns -fno-schedule-insns2
+	fi
+
+	# Use the MOZILLA_FIVE_HOME for the rpath
+	append-ldflags -Wl,-rpath="${MOZILLA_FIVE_HOME}",--enable-new-dtags
+
+	####################################
+	#
+	# mozconfig setup
+	#
+	####################################
+
+	mozconfig_annotate disable_update_strip \
+		--disable-updater \
+		--disable-strip \
+		--disable-install-strip
+
+	# jemalloc won't build with older glibc
+	! has_version ">=sys-libs/glibc-2.4" && mozconfig_annotate "we have old glibc" --disable-jemalloc
+}
+
+# @FUNCTION: mozconfig_final
+# @DESCRIPTION:
+# Apply EXTRA_ECONF values to .mozconfig
+# Display a table describing all configuration options paired
+# with reasons, then clean up extensions list.
+# This should be called in src_configure at the end of all other mozconfig_* functions.
+mozconfig_final() {
+	declare ac opt hash reason
+
+	# Apply EXTRA_ECONF entries to .mozconfig
+	if [[ -n ${EXTRA_ECONF} ]]; then
+		IFS=\! read -a ac <<<${EXTRA_ECONF// --/\!}
+		for opt in "${ac[@]}"; do
+			mozconfig_annotate "EXTRA_ECONF" --${opt#--}
+		done
+	fi
+
+	echo
+	echo "=========================================================="
+	echo "Building ${PF} with the following configuration"
+	grep ^ac_add_options .mozconfig | while read ac opt hash reason; do
+		[[ -z ${hash} || ${hash} == \# ]] \
+			|| die "error reading mozconfig: ${ac} ${opt} ${hash} ${reason}"
+		printf "    %-30s  %s\n" "${opt}" "${reason:-mozilla.org default}"
+	done
+	echo "=========================================================="
+	echo
+
+	# Resolve multiple --enable-extensions down to one
+	declare exts=$(sed -n 's/^ac_add_options --enable-extensions=\([^ ]*\).*/\1/p' \
+		.mozconfig | xargs)
+	sed -i '/^ac_add_options --enable-extensions/d' .mozconfig
+	echo "ac_add_options --enable-extensions=${exts// /,}" >> .mozconfig
+}
+
+_MOZCORECONF=1
+fi