# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils toolchain-funcs

MY_P=${PN}-1.95-beta
SITE="http://www.cstr.ed.ac.uk/downloads/${PN}/${PV/_beta//}"

DESCRIPTION="Festival Text to Speech engine"
HOMEPAGE="http://www.cstr.ed.ac.uk/"
SRC_URI="${SITE}/${MY_P}.tar.gz
	${SITE}/speech_tools-1.2.95-beta.tar.gz
	${SITE}/festlex_POSLEX.tar.gz
	${SITE}/festlex_CMU.tar.gz
	${SITE}/festlex_OALD.tar.gz
	${SITE}/festvox_rablpc16k.tar.gz
	${SITE}/festvox_don.tar.gz
	${SITE}/festvox_kallpc16k.tar.gz
	${SITE}/festvox_kedlpc16k.tar.gz
	${SITE}/festvox_cmu_us_bdl_arctic_hts.tar.gz
	${SITE}/festvox_cmu_us_slt_arctic_hts.tar.gz
	${SITE}/festvox_cmu_us_jmk_arctic_hts.tar.gz
	${SITE}/festvox_cmu_us_awb_arctic_hts.tar.gz
	linguas_es? ( ${SITE}/festvox_ellpc11k.tar.gz )
	mbrola? (
		${SITE}/festvox_en1.tar.gz
		${SITE}/festvox_us1.tar.gz
		${SITE}/festvox_us2.tar.gz
		${SITE}/festvox_us3.tar.gz )"

LICENSE="FESTIVAL BSD as-is"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~hppa ~ia64 ~ppc ~ppc64 ~sparc ~x86"
IUSE="asterisk esd linguas_es mbrola X"

RDEPEND="sys-libs/ncurses
	esd? ( media-sound/esound )
	mbrola? ( >=app-accessibility/mbrola-3.0.1h-r2 )"

DEPEND="${RDEPEND}
	X? (
		x11-libs/libX11
		x11-libs/libXt )"

S=${WORKDIR}

pkg_setup() {
	enewuser ${PN} -1 -1 -1 audio
}

src_unpack() {
	unpack ${A}

	use asterisk && epatch "${FILESDIR}/${P}-asterisk.patch"

	if use esd ; then
		sed -i \
			-e 's/# \(INCLUDE_MODULES += ESD_AUDIO\)/\1/' \
			speech_tools/config/config.in || die "sed config.in"
	fi

	if ! use X ; then
		sed -i \
			-e 's/-lX11 -lXt//' \
			speech_tools/config/modules/esd_audio.mak \
			|| die "sed esd_audio.mak"
	fi

	# testsuite still fails to build under gcc-3.2
	# sed -i '/^BUILD_DIRS =/s/testsuite//' ${S}/Makefile || die

	sed -i \
		-e "/^const char \*festival_libdir/s:FTLIBDIR:\"/usr/share/festival\":" \
		festival/src/arch/festival/festival.cc || die "sed festival.cc"

	sed -i \
		-e '/^MODULE_LIBS/s/-ltermcap/-lncurses/' \
		festival/config/modules/editline.mak || die "sed editline.mak"

	# Fix hardcoded path for examples that will be finally installed in
	# /usr/$(get_libdir)/festival/examples
	sed -i \
		-e "s:\.\./examples/:/usr/share/doc/${PF}/examples/:" \
		festival/lib/festival.scm || die "sed festival.scm"

	# gcc 4.1 compatibility patches
	epatch "${FILESDIR}/${P}-gcc41.patch"
	epatch "${FILESDIR}/${P}-gcc41-amd64.patch"
	epatch "${FILESDIR}/${P}-gcc41-amd64-int-pointer.patch"

	epatch "${FILESDIR}/${P}-init-scm.patch"
}

src_compile() {
	cd "${S}"/speech_tools
	econf || die "econf speech_tools"
	emake -j1 \
		OPTIMISE_CXXFLAGS="${CXXFLAGS}" \
		OPTIMISE_CCFLAGS="${CFLAGS}" \
		CC="$(tc-getCC)" \
		CXX="$(tc-getCXX)" \
		|| die "emake speech_tools"

	cd "${S}"/festival
	econf || die "econf festival"
	emake -j1 \
		PROJECT_LIBDEPS="" \
		REQUIRED_LIBDEPS="" \
		LOCAL_LIBDEPS="" \
		OPTIMISE_CXXFLAGS="${CXXFLAGS}" \
		OPTIMISE_CCFLAGS="${CFLAGS}" \
		CC="$(tc-getCC)" \
		CXX="$(tc-getCXX)" \
		|| die "emake festival"
}

src_install() {
	# Install the binaries
	dobin festival/src/main/festival || die
	dobin festival/lib/etc/*Linux*/audsp || die
	dolib.a festival/src/lib/libFestival.a || die

	# Install the main libraries
	insinto /usr/share/festival
	doins -r festival/lib/* || die

	# Install the examples
	insinto "/usr/share/doc/${PF}/examples"
	doins -r festival/examples/* || die

	# Need to fix saytime, etc. to look for festival in the correct spot
	local ex exnoext
	for ex in "${D}/usr/share/doc/${PF}/examples"/*.sh ; do
		exnoext=${ex%%.sh}
		chmod a+x "${exnoext}" || die "chmod"
		dosed "s:${S}/festival/bin/festival:/usr/bin/festival:" \
			"${exnoext##$D}"
	done

	# Install the header files
	insinto /usr/include/festival
	doins festival/src/include/*.h || die

	# Install the dicts
	insinto /usr/share/festival/dicts
	doins -r festival/lib/dicts/* || die

	# Installs all existing voices, no matter what language
	insinto /usr/share/festival/voices
	doins -r festival/lib/voices/* || die

	insinto /etc/festival
	# Sample server.scm configuration for the server
	doins "${FILESDIR}"/server.scm || die
	doins festival/lib/site* || die

	# Install the init script
	newinitd "${FILESDIR}"/festival.rc festival

	use mbrola && mbrola_voices

	# Install the docs
	dodoc festival/{ACKNOWLEDGMENTS,NEWS,README}
	doman festival/doc/{festival.1,festival_client.1}

	# Log file. Might as well use "audio" for the group.
	diropts -m 0750 -o ${PN} -g audio
	keepdir /var/log/${PN}
}

pkg_postinst() {
	elog "Useful examples include saytime, text2wave. For example, try:"
	elog "   /usr/share/doc/${PF}/examples/saytime"
	elog
	elog "Or for something more fun:"
	elog '   echo "Gentoo can speak" | festival --tts'
	elog
	elog "To enable the festival server at startup, run"
	elog "   rc-update add festival default"
	elog
	elog "You must set up the server's port, access list, etc. in this file:"
	elog "   /etc/festival/server.scm"
	elog
	elog "This version also allows configuration of site-specific"
	elog "initialization in /etc/festival/siteinit.scm"
	elog "and variables in  /etc/festival/sitevars.scm"
	echo
}

mbrola_voices() {
	# Fix mbrola databases: create symbolic links from festival voices
	# directories to MBROLA install dirs.

	# This is in case there is no mbrola voice for a particular language.
	local shopts=$(shopt -p nullglob)
	shopt -s nullglob

	# This assumes all mbrola voices are named after the voices defined
	# in MBROLA, i.e. if MBROLA contains a voice fr1, then the Festival
	# counterpart should be named fr1_mbrola.
	local language mvoice voice database
	for language in "${S}"/festival/lib/voices/*; do
		for mvoice in "${language}"/*_mbrola; do
			voice=${mvoice##*/}
			database=${voice%%_mbrola}
			dosym "/opt/mbrola/${database}" \
				"/usr/share/festival/voices/${language##*/}/${voice}/${database}"
		done
	done

	# Restore shopts
	${shopts}
}