mozconfig-v6.52.eclass - added to support 52.x mozilla packages

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+# Copyright 1999-2015 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+#
+# @ECLASS: mozconfig-v6.52.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-v4
+
+# @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="gtk3".  Currently this would include
+# ebuilds for firefox, but thunderbird and seamonkey could follow in the future.
+#
+# Leave the variable UNSET if gtk3 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_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 +jemalloc neon pulseaudio selinux startup-notification system-cairo
+	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-1.2:=
+	dev-libs/atk
+	dev-libs/expat
+	>=x11-libs/cairo-1.10[X]
+	x11-libs/gdk-pixbuf
+	>=x11-libs/pango-1.22.0
+	>=media-libs/libpng-1.6.25:0=[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-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-cairo? ( >=x11-libs/cairo-1.12[X,xcb] >=x11-libs/pixman-0.19.2 )
+	system-icu? ( >=dev-libs/icu-58.1:= )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-libevent? ( >=dev-libs/libevent-2.0:0= )
+	system-sqlite? ( >=dev-db/sqlite-3.17.0:3[secure-delete,debug=] )
+	system-libvpx? ( >=media-libs/libvpx-1.5.0:0=[postproc] )
+	system-harfbuzz? ( >=media-libs/harfbuzz-1.3.3:0= >=media-gfx/graphite2-1.3.8 )
+"
+
+if [[ -n ${MOZCONFIG_OPTIONAL_GTK3} ]]; then
+	MOZCONFIG_OPTIONAL_GTK2ONLY=
+	if [[ ${MOZCONFIG_OPTIONAL_GTK3} = "enabled" ]]; then
+		IUSE+=" +gtk3"
+	else
+		IUSE+=" gtk3"
+	fi
+	RDEPEND+="
+	gtk3? ( >=x11-libs/gtk+-3.4.0:3 )
+	!gtk3? ( >=x11-libs/gtk+-2.18:2 )"
+elif [[ -n ${MOZCONFIG_OPTIONAL_GTK2ONLY} ]]; then
+	if [[ ${MOZCONFIG_OPTIONAL_GTK2ONLY} = "enabled" ]]; then
+		IUSE+=" +gtk2"
+	else
+		IUSE+=" gtk2"
+	fi
+	RDEPEND+="
+	gtk2? ( >=x11-libs/gtk+-2.18:2 )
+	!gtk2? ( >=x11-libs/gtk+-3.4.0:3 )"
+else
+	RDEPEND+="
+		>=x11-libs/gtk+-2.18:2"
+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
+	${RDEPEND}"
+
+RDEPEND+="
+	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
+
+	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-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 '' --enable-skia
+	mozconfig_annotate '' --disable-gconf
+	mozconfig_annotate '' --with-intl-api
+
+	# default toolkit is cairo-gtk2, optional use flags can change this
+	local toolkit="cairo-gtk2"
+	local toolkit_comment=""
+	if [[ -n ${MOZCONFIG_OPTIONAL_GTK3} ]]; then
+		if use gtk3; then
+			toolkit="cairo-gtk3"
+			toolkit_comment="gtk3 use flag"
+		fi
+	fi
+	if [[ -n ${MOZCONFIG_OPTIONAL_GTK2ONLY} ]]; then
+		if ! use gtk2 ; then
+			toolkit="cairo-gtk3"
+		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}
+
+	# Use jemalloc unless libc is not glibc >= 2.4
+	# at this time the minimum glibc in the tree is 2.9 so we should be safe.
+	if use elibc_glibc && use jemalloc; then
+		# We must force-enable jemalloc 4 via .mozconfig
+		echo "export MOZ_JEMALLOC4=1" >> "${S}"/.mozconfig || die
+		mozconfig_annotate '' --enable-replace-malloc
+	fi
+
+	# Instead of the standard --build= and --host=, mozilla uses --host instead
+	# of --build, and --target intstead of --host.
+	# Note, mozilla also has --build but it does not do what you think it does.
+	# Set both --target and --host as mozilla uses python to guess values otherwise
+	mozconfig_annotate '' --target="${CHOST}"
+	mozconfig_annotate '' --host="${CBUILD:-${CHOST}}"
+
+	mozconfig_use_enable pulseaudio
+
+	mozconfig_use_enable system-cairo
+	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
+}