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# Copyright 1999-2018 Gentoo Authors and Martin V\"ath
# Distributed under the terms of the GNU General Public License v2
#
# @ECLASS: mozconfig-v6.58.eclass
# @MAINTAINER:
# mozilla team <mozilla@gentoo.org>
# @SUPPORTED_EAPIS: 5 6 7
# @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 )
	elibc_glibc? ( || (
		virtual/cargo
		( >=dev-lang/rust-1.24.0[-extended(-)] >=dev-util/cargo-0.25.0 )
		>=dev-lang/rust-1.24.0[extended]
		( >=dev-lang/rust-bin-1.24.0 >=dev-util/cargo-0.25.0 )
	) )
	elibc_musl? ( || (
		virtual/cargo
		>=dev-lang/rust-1.24.0
		>=dev-util/cargo-0.25.0
	) )
	${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
}