# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

# @ECLASS: mozilla-config.eclass
# @MAINTAINER:
# Sardem FF7 <sardemff7.pub@gmail.com>
# @BLURB: This eclass provides Mozilla config support

inherit flag-o-matic

##
## Base common stuff
##
RDEPEND="
	virtual/jpeg
	dev-libs/expat
	app-arch/unzip
	>=x11-libs/gtk+-2.8.6
	>=dev-libs/glib-2.26
	>=x11-libs/pango-1.10.1
	>=dev-libs/libIDL-0.8.0
	>=dev-libs/libevent-1.4.7
	!<x11-base/xorg-x11-6.7.0-r2

	>=sys-devel/binutils-2.16.1
	>=dev-libs/nss-3.12.9
	>=app-text/hunspell-1.2
	>=x11-libs/cairo-1.10.2[X]
	x11-libs/pixman
	x11-libs/pango[X]
	media-libs/libpng[apng]

	alsa? ( media-libs/alsa-lib )
	dbus? ( >=dev-libs/dbus-glib-0.72 )
	libnotify? ( >=x11-libs/libnotify-0.4 )
	startup-notification? ( >=x11-libs/startup-notification-0.8 )
	system-sqlite? ( >=dev-db/sqlite-3.7.4[fts3,secure-delete,unlock-notify] )
	webm? ( media-libs/libvpx )
	wifi? ( net-wireless/wireless-tools )
	"

DEPEND="${RDEPEND}
	webm? ( dev-lang/yasm )
	"

IUSE="+alsa custom-optimization dbus +ipc libnotify mozdom raw startup-notification +system-sqlite +webm wifi"

# Set by configure (plus USE_AUTOCONF=1), but useful for NSPR
export MOZILLA_CLIENT=1
export BUILD_OPT=1
export NO_STATIC_LIB=1
export USE_PTHREADS=1

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
}

mozconfig_flag() {
	mozconfig_annotate "USE-flag: $(useq $1 && echo +$1 || echo -$1)" "$2"
}

mozconfig_use_enable() {
	mozconfig_flag "$1" "$(use_enable "$@")"
}

mozconfig_use_with() {
	mozconfig_flag "$1" "$(use_with "$@")"
}

##
## mozconfig_configure
##
function mozconfig_configure {
	####################################
	#
	# Setup the initial .mozconfig
	# See https://developer.mozilla.org/en/Configuring_Build_Options
	#
	####################################

	cp ${MOZ_APPLICATION}/config/mozconfig .mozconfig \
		|| die "cp mozconfig failed"

	####################################
	#
	# CFLAGS setup and ARCH support
	#
	####################################

	# Set optimization level
	if [[ ${ARCH} == x86 ]]; then
		mozconfig_annotate "less then -O2 causes a segfault on x86" --enable-optimize=-O2
	elif use custom-optimization; then
		# Set optimization level based on CFLAGS
		if is-flag -O0; then
			mozconfig_annotate 'CFLAGS optimization' --enable-optimize=-O0
		elif is-flag -O1; then
			mozconfig_annotate 'CFLAGS optimization' --enable-optimize=-O1
		elif is-flag -Os; then
			mozconfig_annotate 'CFLAGS optimization' --enable-optimize=-Os
		else
			mozconfig_annotate 'Default optimization: Gentoo' --enable-optimize=-O2
		fi
	else
		# Enable Mozilla's default
		mozconfig_annotate 'Default optimization: Mozilla' --enable-optimize
	fi

	# Now strip optimization from CFLAGS so it doesn't end up in the
	# compile string
	filter-flags '-O*'

	# Strip over-aggressive CFLAGS - Mozilla supplies its own
	# fine-tuned CFLAGS and shouldn't be interfered with..  Do this
	# AFTER setting optimization above since strip-flags only allows
	# -O -O1 and -O2
	strip-flags

	if [[ $(gcc-major-version) -eq 3 ]]; then
		# Enable us to use flash, etc plugins compiled with gcc-2.95.3
		mozconfig_annotate "building with >=gcc-3" --enable-old-abi-compat-wrappers

		# Needed to build without warnings on gcc-3
		CXXFLAGS="${CXXFLAGS} -Wno-deprecated"

		if [[ "${ARCH}"  == x86 &&
			( $(gcc-minor-version) -lt 2 ||
				( $(gcc-minor-version) -eq 2 && $(gcc-micro-version) -lt 3 )
			) ]]
		then
			replace-flags -march=pentium4 -march=pentium3
			filter-flags -msse2
		fi
	elif [[ $(gcc-major-version) -lt 4 ]]; then
		append-flags -fno-stack-protector
	fi

	# Go a little faster; use less RAM
	append-flags "$MAKEEDIT_FLAGS"

	####################################
	#
	# mozconfig setup
	#
	####################################

	mozconfig_annotate 'Gentoo system' \
		--disable-installer \
		--disable-pedantic \
		--with-system-png \
		--with-system-jpeg \
		--with-system-bz2 \
		--with-system-zlib \
		--disable-updater \
		--enable-system-cairo \
		--enable-system-hunspell \
		--disable-strip \
		--enable-default-toolkit=cairo-gtk2 \
		--disable-strip-libs \
		--disable-install-strip \
		--with-system-nspr \
		--with-nspr-prefix="${EPREFIX}"/usr \
		--with-system-nss \
		--with-nss-prefix="${EPREFIX}"/usr \
		--with-system-libevent="${EPREFIX}"/usr \
		--x-includes="${EPREFIX}"/usr/include \
		--x-libraries="${EPREFIX}"/usr/$(get_libdir) \
		--with-distribution-id=org.gentoo

	mozconfig_annotate 'Gentoo defaults' \
		--enable-gio \
		--enable-single-profile \
		--disable-profilesharing \
		--disable-profilelocking

	sed -i \
		-e '/--enable-application=/d' \
		-e '/--enable-extensions=/d'\
		.mozconfig
	local extensions="default"
	use mozdom && extensions+=",inspector"
	mozconfig_annotate 'Application defaults' \
		--enable-application=${MOZ_APPLICATION} \
		--with-default-mozilla-five-home="${MOZILLA_FIVE_HOME}" \
		--enable-extensions="${extensions}"

	mozconfig_annotate 'Basic features' \
		--enable-crypto \
		--enable-tracejit \
		--enable-pango \
		--enable-mathml \
		--enable-safe-browsing \
		--enable-storage

	# jemalloc won't build with older glibc
	! has_version ">=sys-libs/glibc-2.4" && mozconfig_annotate 'old glibc' --disable-jemalloc

	if ! ${IS_LIBXUL}; then
		mozconfig_annotate 'libxul application' \
			--enable-official-branding \
			--with-system-libxul \
			--with-libxul-sdk="${EPREFIX}"${MOZDEVELDIR}
	fi

	[[ $# -gt 0 ]] && \
	mozconfig_annotate 'Ebuild specific option: '"${P}" \
		${*}

	# Use system libraries
	mozconfig_use_enable alsa ogg
	mozconfig_use_enable alsa wave
	mozconfig_use_enable dbus
	mozconfig_use_enable ipc # +ipc, upstream default
	mozconfig_use_enable libnotify
	mozconfig_use_enable raw
	mozconfig_use_enable startup-notification
	mozconfig_use_enable system-sqlite
	mozconfig_use_enable webm
	mozconfig_use_with   webm system-libvpx
	mozconfig_use_enable wifi necko-wifi


	# NOTE: Uses internal copy of libvpx
	if use webm && ! use alsa; then
		die "USE=webm needs USE=alsa"
	fi


	# Debug
	if use debug ; then
		mozconfig_annotate 'Debug activated' \
			--disable-optimize \
			--enable-valgrind \
			--enable-debug=-ggdb \
			--enable-debug-modules=all \
			--enable-debugger-info-modules
	else
		mozconfig_annotate 'Debug deactivated' \
			--disable-debug \
			--disable-tests
	fi

	# omni.jar breaks ff on xr
	# Bug 60668: Galeon doesn't build without oji enabled, so enable it
	# regardless of java setting.--enable-oji
	mozconfig_annotate 'Broken' \
		--disable-crashreporter \
		--enable-chrome-format=jar \
		--enable-oji

	mozconfig_annotate 'Deprecated' \
		--disable-gnomeui \
		--disable-gnomevfs


	# Currently --enable-elf-dynstr-gc only works for x86 and ppc,
	# thanks to Jason Wever <weeve@gentoo.org> for the fix.
	# -- This breaks now on ppc, no idea why
#	if use x86 || use ppc && [[ ${enable_optimize} != -O0 ]]; then
	if use x86 && [[ ${enable_optimize} != -O0 ]]; then
		mozconfig_annotate "${ARCH} optimized build" --enable-elf-dynstr-gc
	fi
#	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} ${reason}"
		printf '    %-60s  %s\n' "${opt}" "${reason:-mozilla.org default}"
	done
	echo '=========================================================='
	echo

	mozilla-scm_src_configure
}

function mozilla_application_install() {
	# Install icon and .desktop for menu entry
	newicon "${S}"/other-licenses/branding/${PN}/content/icon48.png ${PN}.png
	newmenu "${FILESDIR}"/${PN}.desktop ${PN}.desktop

	# Add StartupNotify=true bug 237317
	if use startup-notification ; then
		echo "StartupNotify=true" >> "${ED}"/usr/share/applications/${PN}.desktop
	fi
}