added bumps to mozilla config eclasses and removed old

4 files changed, 569 insertions, 10 deletions

diff --git a/eclass/ChangeLog b/eclass/ChangeLog
index 0f943ee5efd8..7926b9befd9e 100644
--- a/eclass/ChangeLog
+++ b/eclass/ChangeLog
@@ -1,6 +1,11 @@
 # ChangeLog for eclass directory
 # Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/ChangeLog,v 1.1382 2014/10/09 16:55:28 pesa Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/ChangeLog,v 1.1383 2014/10/14 16:10:36 axs Exp $
+
+  14 Oct 2014; Ian Stakenvicius (_AxS_) <axs@gentoo.org>
+  -mozconfig-v4.1.eclass, +mozconfig-v5.31.eclass, +mozconfig-v5.33.eclass,
+  +mozcoreconf-v3.eclass:
+  added bumps to mozilla config eclasses and removed old
 
   09 Oct 2014; Davide Pesavento <pesa@gentoo.org> qt5-build.eclass:
   Fix assignments to RESTRICT.
diff --git a/eclass/mozconfig-v4.1.eclass b/eclass/mozconfig-v5.31.eclass
index 7ac1ee77f9a1..3f0fb6ca92a8 100644
--- a/eclass/mozconfig-v4.1.eclass
+++ b/eclass/mozconfig-v5.31.eclass
@@ -1,10 +1,28 @@
 # Copyright 1999-2014 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/mozconfig-v4.1.eclass,v 1.1 2014/09/03 21:52:44 axs Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/mozconfig-v5.31.eclass,v 1.1 2014/10/14 16:10:36 axs Exp $
 #
-# mozconfig-v4.1.eclass: the new mozilla.eclass
+# @ECLASS: mozconfig-v5.31.eclass
+# @MAINTAINER:
+# mozilla team <mozilla@gentoo.org>
+# @BLURB: the new mozilla common configuration eclass for FF31 and newer, v5
+# @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.
+
+inherit multilib flag-o-matic toolchain-funcs mozcoreconf-v3
 
-inherit multilib flag-o-matic mozcoreconf-2
+case ${EAPI} in
+	0|1|2|3|4) die "EAPI=${EAPI} not supported"
+esac
 
 # @ECLASS-VARIABLE: MOZCONFIG_OPTIONAL_WIFI
 # @DESCRIPTION:
@@ -27,19 +45,44 @@ inherit multilib flag-o-matic mozcoreconf-2
 # 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="dbus debug startup-notification"
+IUSE="${IUSE} dbus debug gstreamer pulseaudio startup-notification system-cairo system-icu system-jpeg 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-1.2
+	dev-libs/atk
 	dev-libs/expat
 	>=dev-libs/libevent-1.4.7
-	>=x11-libs/cairo-1.12[X]
-	>=x11-libs/gtk+-2.10:2
+	>=x11-libs/cairo-1.10[X]
+	>=x11-libs/gtk+-2.14:2
+	x11-libs/gdk-pixbuf
 	>=x11-libs/pango-1.22.0
+	>=media-libs/libpng-1.6.10:0=[apng]
+	>=media-libs/mesa-10.2:*
+	media-libs/fontconfig
+	>=media-libs/freetype-2.4.10
 	kernel_linux? ( media-libs/alsa-lib )
+	pulseaudio? ( media-sound/pulseaudio )
+	>=sys-libs/zlib-1.2.3
 	virtual/freedesktop-icon-theme
-	dbus? ( >=dev-libs/dbus-glib-0.72 )
+	dbus? ( >=sys-apps/dbus-0.60
+		>=dev-libs/dbus-glib-0.72 )
 	startup-notification? ( >=x11-libs/startup-notification-0.8 )
-	>=dev-libs/glib-2.26:2"
+	>=dev-libs/glib-2.26:2
+	virtual/libffi
+	gstreamer? ( media-plugins/gst-plugins-meta:1.0[ffmpeg] )
+	x11-libs/libX11
+	x11-libs/libXext
+	x11-libs/libXrender
+	x11-libs/libXt
+	system-cairo? ( >=x11-libs/cairo-1.12[X] >=x11-libs/pixman-0.19.2 )
+	system-icu? ( >=dev-libs/icu-51.1 )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-sqlite? ( >=dev-db/sqlite-3.8.4.2:3[secure-delete,debug=] )
+	system-libvpx? ( =media-libs/libvpx-1.3.0* )
+"
 
 if [[ -n ${MOZCONFIG_OPTIONAL_WIFI} ]]; then
 	if [[ ${MOZCONFIG_OPTIONAL_WIFI} = "enabled" ]]; then
@@ -62,6 +105,7 @@ fi
 
 DEPEND="app-arch/zip
 	app-arch/unzip
+	>=sys-devel/binutils-2.16.1
 	${RDEPEND}"
 
 # @FUNCTION: mozconfig_config
@@ -71,7 +115,7 @@ DEPEND="app-arch/zip
 #
 # Example:
 #
-# inherit mozconfig-v4
+# inherit mozconfig-v5.31
 #
 # src_configure() {
 # 	mozconfig_init
@@ -82,6 +126,11 @@ DEPEND="app-arch/zip
 # }
 
 mozconfig_config() {
+	# Migrated from mozcoreconf-2
+	mozconfig_annotate 'system_libs' \
+		--with-system-zlib \
+		--enable-pango \
+		--enable-svg
 
 	mozconfig_annotate '' --enable-default-toolkit=cairo-gtk2
 
@@ -128,9 +177,37 @@ mozconfig_config() {
 	mozconfig_annotate '' --with-system-nss --with-nss-prefix="${EPREFIX}"/usr
 	mozconfig_annotate '' --x-includes="${EPREFIX}"/usr/include --x-libraries="${EPREFIX}"/usr/$(get_libdir)
 	mozconfig_annotate '' --with-system-libevent="${EPREFIX}"/usr
+	mozconfig_annotate '' --prefix="${EPREFIX}"/usr
+	mozconfig_annotate '' --libdir="${EPREFIX}"/usr/$(get_libdir)
 	mozconfig_annotate '' --enable-system-hunspell
 	mozconfig_annotate '' --disable-gnomevfs
 	mozconfig_annotate '' --disable-gnomeui
 	mozconfig_annotate '' --enable-gio
 	mozconfig_annotate '' --disable-crashreporter
+	mozconfig_annotate '' --with-system-png
+	mozconfig_annotate '' --enable-system-ffi
+	mozconfig_annotate '' --disable-gold
+	mozconfig_annotate '' --disable-gconf
+
+	# We must force enable jemalloc 3 threw .mozconfig
+	echo "export MOZ_JEMALLOC=1" >> "${S}"/.mozconfig || die
+	mozconfig_annotate '' --enable-jemalloc
+	mozconfig_annotate '' --enable-replace-malloc
+
+	mozconfig_annotate '' --target="${CTARGET:-${CHOST}}"
+	mozconfig_annotate '' --build="${CTARGET:-${CHOST}}"
+
+	if use gstreamer; then
+		mozconfig_annotate '+gstreamer' --enable-gstreamer=1.0
+	else
+		mozconfig_annotate '' --disable-gstreamer
+	fi
+	mozconfig_use_enable pulseaudio
+
+	mozconfig_use_enable system-cairo
+	mozconfig_use_enable system-sqlite
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-icu
+	mozconfig_use_enable system-icu intl-api
+	mozconfig_use_with system-libvpx
 }
diff --git a/eclass/mozconfig-v5.33.eclass b/eclass/mozconfig-v5.33.eclass
new file mode 100644
index 000000000000..b26570f14bf0
--- /dev/null
+++ b/eclass/mozconfig-v5.33.eclass
@@ -0,0 +1,220 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/mozconfig-v5.33.eclass,v 1.1 2014/10/14 16:10:36 axs Exp $
+#
+# @ECLASS: mozconfig-v5.33.eclass
+# @MAINTAINER:
+# mozilla team <mozilla@gentoo.org>
+# @BLURB: the new mozilla common configuration eclass for FF33 and newer, v5
+# @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.
+
+inherit multilib flag-o-matic toolchain-funcs mozcoreconf-v3
+
+case ${EAPI} in
+	0|1|2|3|4) die "EAPI=${EAPI} not supported"
+esac
+
+# @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
+# optional necko-wifi support via IUSE="jit".  Currently this would include
+# ebuilds for firefox, and potentially seamonkey.
+#
+# Leave the variable UNSET if optional jit 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 gstreamer pulseaudio startup-notification system-cairo system-icu system-jpeg 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-1.2
+	dev-libs/atk
+	dev-libs/expat
+	>=dev-libs/libevent-1.4.7
+	>=x11-libs/cairo-1.10[X]
+	>=x11-libs/gtk+-2.14:2
+	x11-libs/gdk-pixbuf
+	>=x11-libs/pango-1.22.0
+	>=media-libs/libpng-1.6.10:0=[apng]
+	>=media-libs/mesa-10.2:*
+	media-libs/fontconfig
+	>=media-libs/freetype-2.4.10
+	kernel_linux? ( media-libs/alsa-lib )
+	pulseaudio? ( media-sound/pulseaudio )
+	virtual/freedesktop-icon-theme
+	dbus? ( >=sys-apps/dbus-0.60
+		>=dev-libs/dbus-glib-0.72 )
+	startup-notification? ( >=x11-libs/startup-notification-0.8 )
+	>=dev-libs/glib-2.26:2
+	>=sys-libs/zlib-1.2.3
+	virtual/libffi
+	gstreamer? (
+		>=media-libs/gstreamer-1.2.3:1.0
+		>=media-libs/gst-plugins-base-1.2.3:1.0
+		>=media-libs/gst-plugins-good-1.2.3:1.0
+		>=media-plugins/gst-plugins-libav-1.1.0_pre20130128-r1:1.0
+	)
+	x11-libs/libX11
+	x11-libs/libXext
+	x11-libs/libXrender
+	x11-libs/libXt
+	system-cairo? ( >=x11-libs/cairo-1.12[X] >=x11-libs/pixman-0.19.2 )
+	system-icu? ( >=dev-libs/icu-51.1 )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-sqlite? ( >=dev-db/sqlite-3.8.5:3[secure-delete,debug=] )
+	system-libvpx? ( =media-libs/libvpx-1.3.0* )
+"
+
+if [[ -n ${MOZCONFIG_OPTIONAL_WIFI} ]]; then
+	if [[ ${MOZCONFIG_OPTIONAL_WIFI} = "enabled" ]]; then
+		IUSE+=" +wifi"
+	else
+		IUSE+=" wifi"
+	fi
+	RDEPEND+="
+	wifi? ( >=sys-apps/dbus-0.60
+		>=dev-libs/dbus-glib-0.72
+		net-wireless/wireless-tools )"
+fi
+if [[ -n ${MOZCONFIG_OPTIONAL_JIT} ]]; then
+	if [[ ${MOZCONFIG_OPTIONAL_JIT} = "enabled" ]]; then
+		IUSE+=" +jit"
+	else
+		IUSE+=" jit"
+	fi
+fi
+
+DEPEND="app-arch/zip
+	app-arch/unzip
+	>=sys-devel/binutils-2.16.1
+	${RDEPEND}"
+
+# @FUNCTION: mozconfig_config
+# @DESCRIPTION:
+# Set common configure options for mozilla packages.
+# Call this within src_configure() phase, after mozconfig_init
+#
+# Example:
+#
+# inherit mozconfig-v5.33
+#
+# 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 \
+		--enable-pango \
+		--enable-svg
+
+	mozconfig_annotate '' --enable-default-toolkit=cairo-gtk2
+
+	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
+
+	mozconfig_use_enable debug
+	mozconfig_use_enable debug tests
+
+	if ! use debug ; then
+		mozconfig_annotate 'disabled by Gentoo' --disable-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 wifi && ! use dbus; then
+			echo "Enabling dbus support due to wifi request"
+			mozconfig_annotate 'dbus required by necko-wifi' --enable-dbus
+		else
+			mozconfig_use_enable dbus
+		fi
+	else
+		mozconfig_use_enable dbus
+		mozconfig_annotate 'disabled' --disable-necko-wifi
+	fi
+
+	# These are forced-on for webm support
+	mozconfig_annotate 'required' --enable-ogg
+	mozconfig_annotate 'required' --enable-wave
+
+	if [[ -n ${MOZCONFIG_OPTIONAL_JIT} ]]; then
+		mozconfig_use_enable jit ion
+		mozconfig_use_enable jit yarr-jit
+	fi
+
+	# These are enabled by default in all mozilla applications
+	mozconfig_annotate '' --with-system-nspr --with-nspr-prefix="${EPREFIX}"/usr
+	mozconfig_annotate '' --with-system-nss --with-nss-prefix="${EPREFIX}"/usr
+	mozconfig_annotate '' --x-includes="${EPREFIX}"/usr/include --x-libraries="${EPREFIX}"/usr/$(get_libdir)
+	mozconfig_annotate '' --with-system-libevent="${EPREFIX}"/usr
+	mozconfig_annotate '' --prefix="${EPREFIX}"/usr
+	mozconfig_annotate '' --libdir="${EPREFIX}"/usr/$(get_libdir)
+	mozconfig_annotate 'Gentoo default' --enable-system-hunspell
+	mozconfig_annotate '' --disable-gnomevfs
+	mozconfig_annotate '' --disable-gnomeui
+	mozconfig_annotate '' --enable-gio
+	mozconfig_annotate '' --disable-crashreporter
+	mozconfig_annotate 'Gentoo default' --with-system-png
+	mozconfig_annotate '' --enable-system-ffi
+	mozconfig_annotate 'Gentoo default to honor system linker' --disable-gold
+	mozconfig_annotate '' --disable-gconf
+	mozconfig_annotate 'Gentoo default' --with-system-zlib
+
+	# We must force-enable jemalloc 3 via .mozconfig
+	echo "export MOZ_JEMALLOC=1" >> "${S}"/.mozconfig || die
+	mozconfig_annotate '' --enable-jemalloc
+	mozconfig_annotate '' --enable-replace-malloc
+
+	mozconfig_annotate '' --target="${CTARGET:-${CHOST}}"
+	mozconfig_annotate '' --build="${CTARGET:-${CHOST}}"
+
+	if use gstreamer; then
+		mozconfig_annotate '+gstreamer' --enable-gstreamer=1.0
+	else
+		mozconfig_annotate '' --disable-gstreamer
+	fi
+	mozconfig_use_enable pulseaudio
+
+	mozconfig_use_enable system-cairo
+	mozconfig_use_enable system-sqlite
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-icu
+	mozconfig_use_enable system-icu intl-api
+	mozconfig_use_with system-libvpx
+}
diff --git a/eclass/mozcoreconf-v3.eclass b/eclass/mozcoreconf-v3.eclass
new file mode 100644
index 000000000000..c35dcf874498
--- /dev/null
+++ b/eclass/mozcoreconf-v3.eclass
@@ -0,0 +1,257 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/eclass/mozcoreconf-v3.eclass,v 1.1 2014/10/14 16:10:36 axs Exp $
+#
+# @ECLASS: mozcoreconf.eclass
+# @MAINTAINER:
+# Mozilla team <mozilla@gentoo.org>
+# @BLURB: core options and configuration functions for mozilla
+# @DESCRIPTION:
+#
+# inherit mozconfig-v5.* or above for mozilla configuration support
+
+PYTHON_COMPAT=( python2_7 )
+PYTHON_REQ_USE='threads,sqlite'
+
+inherit multilib 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}${2}
+}
+
+moz_pkgsetup() {
+	# Ensure we use C locale when building
+	export LANG="C"
+	export LC_ALL="C"
+	export LC_MESSAGES="C"
+	export LC_CTYPE="C"
+
+	# Ensure that we have a sane build enviroment
+	export MOZILLA_CLIENT=1
+	export BUILD_OPT=1
+	export NO_STATIC_LIB=1
+	export USE_PTHREADS=1
+	export ALDFLAGS=${LDFLAGS}
+	# ensure MOZCONFIG is not defined
+	eval unset MOZCONFIG
+
+	# 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 [[ ${ARCH} == hppa ]]; then
+		mozconfig_annotate "more than -O0 causes a segfault on hppa" --enable-optimize=-O0
+	elif [[ ${ARCH} == x86 ]]; then
+		mozconfig_annotate "less then -O2 causes a segfault on x86" --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 [[ ${ARCH} == ppc ]] && has_version '>=sys-libs/glibc-2.8'; then
+			mozconfig_annotate "more than -O1 segfaults on ppc with glibc-2.8" --enable-optimize=-O1
+		elif is-flag -O3; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O3
+		elif is-flag -O1; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-O1
+		elif is-flag -Os; then
+			mozconfig_annotate "from CFLAGS" --enable-optimize=-Os
+		else
+			mozconfig_annotate "Gentoo's default optimization" --enable-optimize=-O2
+		fi
+	else
+		# Enable Mozilla's default
+		mozconfig_annotate "mozilla default" --enable-optimize
+	fi
+
+	# Strip optimization so it does not end up in compile string
+	filter-flags '-O*'
+
+	# Strip over-aggressive CFLAGS
+	use custom-cflags || strip-flags
+
+	# Additional ARCH support
+	case "${ARCH}" in
+	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
+		;;
+	esac
+
+	# Go a little faster; use less RAM
+	append-flags "$MAKEEDIT_FLAGS"
+
+	####################################
+	#
+	# mozconfig setup
+	#
+	####################################
+
+	mozconfig_annotate disable_update_strip \
+		--disable-pedantic \
+		--disable-updater \
+		--disable-strip \
+		--disable-install-strip \
+		--disable-installer \
+		--disable-strip-libs
+
+	if [[ ${PN} != seamonkey ]]; then
+		mozconfig_annotate basic_profile \
+			--disable-profilelocking \
+			--enable-single-profile \
+			--disable-profilesharing
+	fi
+
+	# Here is a strange one...
+	if is-flag '-mcpu=ultrasparc*' || is-flag '-mtune=ultrasparc*'; then
+		mozconfig_annotate "building on ultrasparc" --enable-js-ultrasparc
+	fi
+
+	# Currently --enable-elf-dynstr-gc only works for x86,
+	# thanks to Jason Wever <weeve@gentoo.org> for the fix.
+	if use x86 && [[ ${enable_optimize} != -O0 ]]; then
+		mozconfig_annotate "${ARCH} optimized build" --enable-elf-dynstr-gc
+	fi
+
+	# 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:
+# 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
+	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
+}
+