# Copyright 1999-2005 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils toolchain-funcs

DESCRIPTION="Festival Text to Speech engine"
HOMEPAGE="http://www.cstr.ed.ac.uk/"
SITE="http://festvox.org/packed/${PN}/${PV}"
SITEA="http://download.gna.org/lliaphon/franfest"
SITE="http://www.cstr.ed.ac.uk/downloads/${PN}/${PV/_beta//}"
MY_P=${PN}-1.95-beta
SRC_URI="${SITE}/${MY_P}.tar.gz
	${SITE}/festlex_CMU.tar.gz
	${SITE}/festlex_OALD.tar.gz
	${SITE}/festlex_POSLEX.tar.gz
	${SITE}/festvox_don.tar.gz
	${SITE}/festvox_kallpc16k.tar.gz
	${SITE}/festvox_rablpc16k.tar.gz
	${SITE}/festvox_kedlpc16k.tar.gz
	linguas_es? ( ${SITE}/festvox_ellpc11k.tar.gz )
	linguas_fr? ( ${SITEA}/franfest-20050705.tar.bz2 )
	doc? ( ${SITE}/festdoc-1.4.2.tar.gz )
	mbrola? (
		${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 doc esd linguas_fr linguas_es mbrola X"

RDEPEND="sys-libs/ncurses
	=app-accessibility/speech-tools-1.2.95_beta-r2
    esd? ( media-sound/esound )
    mbrola? ( >=app-accessibility/mbrola-3.0.1h-r2 )"

DEPEND="${RDEPEND}
	sys-apps/findutils
    sys-apps/sed"

S=${WORKDIR}/${PN}

src_unpack() {
	unpack ${A}

	use doc && mv festdoc-1.4.2 festdoc

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

	#sed -i -e "s@\(ALSO_INCLUDE += clunits\) hts_engine MultiSyn@\1@" ${S}/config/config.in
	#sed -i -e "s@# \(ALSO_INCLUDE += UniSyn_phonology UniSyn_selection\)@\1@" ${S}/config/config.in

	echo "ALSO_INCLUDE += UniSyn_phonology" >> ${S}/config/config.in

	sed -i -e "s@EST=\$(TOP)/../speech_tools@EST=/usr/share/speech-tools@" ${S}/config/config.in
	sed -i -e "s@\(extend LD_LIBRARY_PATH \"\)__EST__/lib:@\1$(get_libdir)@" ${S}/src/scripts/shared_setup_sh
	sed -i -e "s@\(extend LD_LIBRARY_PATH \"\)__EST__/lib:@\1$(get_libdir)@" ${S}/src/scripts/shared_script
	sed -i -e "s@libdir@\"\.\"@" ${S}/testsuite/data/modes.scm

	local lang
	for lang in ${LINGUAS}; do
		[ fr = ${lang} ] || [ fr_FR = ${lang} ] || continue
		
		epatch ${FILESDIR}/${P}-languages.patch
		epatch ${FILESDIR}/${P}-franfest.patch
		epatch ${FILESDIR}/${P}-franfest_m4.patch

		einfo "Add an EOL at the end of aclocal.m4"
		echo >> ${WORKDIR}/franfest/aclocal.m4
		einfo "Add an EOL at the end of configure.ac"
		echo >> ${WORKDIR}/franfest/configure.ac

		einfo "Patch for src/modules/franfest/Makefile.in"
		echo "ALSO_INCLUDE += franfest" >> ${S}/config/config.in
		sed -i -e "s:@ac_cv_pln_data_dir_franfest@:/usr/share/festival/etc/franfest/:g" \
		${WORKDIR}/franfest/festival/src/modules/franfest/Makefile.in \
		|| die "Unable to apply the patch"
		break
	done

	sed -i -e "/^const char \*festival_libdir/s:FTLIBDIR:\"/usr/share/festival\":" ${S}/src/arch/festival/festival.cc
	sed -i -e '/^MODULE_LIBS/s/-ltermcap/-lncurses/' ${S}/config/modules/editline.mak || die
	sed -i -e 's~$(EST)/lib~/usr/lib~' ${S}/config/project.mak || die

	# 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/:" ${S}/lib/festival.scm

	for i in ${S}/src/modules/MultiSyn/inst_tmpl/*.cc; do 
		sed -i -e "s~\.\./base_class/~/usr/share/speech-tools/base_class/~g" $i
	done

	einfo "Gentoo integration"
	epatch ${FILESDIR}/${P}-system.patch

	cp -f ${FILESDIR}/x86_64_GentooLinux2.6.mak ${S}/config/systems/
	cp -f ${FILESDIR}/GentooLinux.mak ${S}/config/systems/
	(cd  ${S}/config/systems && ln -s x86_64_GentooLinux2.6.mak ix86_GentooLinux2.6.mak )

	cp -f ${FILESDIR}/franfest.mak ${S}/config/modules/

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

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

}

src_compile() {
	
	CFLAGS="${CFLAGS} -Wno-deprecated"
	CXXFLAGS="${CXXFLAGS} -Wno-non-template-friend -Wno-deprecated"

	local lang
	for lang in ${LINGUAS}; do
		[ fr = ${lang} ] || [ fr_FR = ${lang} ] || continue

		einfo "Configuration of Franfest"

		cd ${WORKDIR}/franfest

		einfo "Running autoconf..."
		autoconf || die

	    econf \
			--prefix=/usr \
			--with-franfestprefix=/usr/share \
			--with-festivalprefix=/usr/share \
			--with-franfestdirectory=${WORKDIR}/franfest \
			--with-festivaldirectory=${WORKDIR}/ \
			--with-festivalsources=${S}/src \
			--with-festival=n \
			--with-mbrola=y \
			--with-audiofeedback=n \
			${excluded_interfaces} || die "Failed Franfest configure"

		emake -j1 PROJECT_LIBDEPS="" REQUIRED_LIBDEPS="" LOCAL_LIBDEPS=""
OPTIMISE_CXXFLAGS="${CXXFLAGS}" OPTIMISE_CCFLAGS="${CFLAGS}" CC="$(tc-getCC)" CXX="$(tc-getCXX)"|| die "Failed to configure Franfest"
	done	

	cd ${S}

	econf || die
	emake -j1 PROJECT_LIBDEPS="" REQUIRED_LIBDEPS="" LOCAL_LIBDEPS="" OPTIMISE_CPPFLAGS="${CPPFLAGS}" OPTIMISE_CCFLAGS="${CFLAGS}" CC="$(tc-getCC)" CXX="$(tc-getCXX)" || die

}

src_install() {

	# Install the binaries
	dobin ${S}/src/main/festival
	dobin ${S}/lib/etc/*Linux*/audsp

	# Install the main libraries
	insinto /usr/share/festival
	doins -r ${S}/lib/*

	# Install the examples
	insinto /usr/share/doc/${PF}/examples/
	doins -r ${S}/examples/*

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

	# Install the header files
	insinto /usr/include/festival
	doins ${S}/src/include/*.h

	# Install the configs
	insinto /usr/share/festival/config
	doins -r ${S}/config/*

	# Install the dicts
	insinto /usr/share/festival/dicts
	doins -r ${S}/lib/dicts/*

	# Installs all existing voices, no matter what language.
	insinto /usr/share/festival/voices
	doins -r ${S}/lib/voices/*

	# Sample server.scm configuration for the server
	insinto /etc/festival
	doins ${FILESDIR}/server.scm

	# Install the init script
	exeinto /etc/init.d
	newexe ${FILESDIR}/festival.rc festival

	use mbrola && mbrola_voices

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

	if use doc; then
		dohtml ${WORKDIR}/festdoc/festival/html/*.html
		dodoc ${WORKDIR}/festdoc/festival/festival.ps
		doinfo ${WORKDIR}/festdoc/festival/info/*
	fi

}

pkg_postinst() {
	einfo
	einfo "    Useful examples include saytime, text2wave. For example, try:"
	einfo "        \"/usr/share/doc/${PF}/examples/saytime\""
	einfo
	einfo "    Or for something more fun:"
	einfo '        "echo "Gentoo can speak" | festival --tts"'
	einfo
	einfo "    To enable the festival server at boot, run"
	einfo "       rc-update add festival default"
	einfo
	einfo "    You must setup the server's port, access list, etc in this file:"
	einfo "       /etc/festival/server.scm"
	einfo
}

# This is because Portage will not remove links from Festival to MBROLA
# databases: as long as the target of a link exists, the link cannot be
# removed by Portage.
# So we do it by hand here...
#
# If we do this, it gets deleted during an upgrade.
#pkg_prerm() {
#	find /usr/share/festival/voices -type l -path "*_mbrola*" -exec rm -f {} \;
#}

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

	# 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.
	for language in ${S}/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}
}