# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-libs/alsa-lib/alsa-lib-1.0.14a-r1.ebuild,v 1.12 2008/03/17 04:37:23 ricmm Exp $

WANT_AUTOCONF="latest"
WANT_AUTOMAKE="1.9"

inherit eutils autotools libtool

MY_P="${P/_rc/rc}"
S="${WORKDIR}/${MY_P}"

DESCRIPTION="Advanced Linux Sound Architecture Library"
HOMEPAGE="http://www.alsa-project.org/"
SRC_URI="mirror://alsaproject/lib/${MY_P}.tar.bz2"

LICENSE="GPL-2 LGPL-2.1"
SLOT="0"
KEYWORDS="alpha amd64 arm hppa ia64 ~mips ppc ppc64 sh sparc x86"
IUSE="doc debug alisp midi"

RDEPEND=""
DEPEND=">=media-sound/alsa-headers-${PV/14a/14}
	doc? ( >=app-doc/doxygen-1.2.6 )"

IUSE_PCM_PLUGIN="adpcm alaw copy dshare dsnoop extplug file hooks ladspa lfloat linear meter mulaw multi null rate route share shm"

for plugin in ${IUSE_PCM_PLUGIN}; do
	IUSE="${IUSE} alsa_pcm_plugins_${plugin}"
done

src_unpack() {
	unpack ${A}
	cd "${S}"

	epatch "${FILESDIR}"/${P}-softfloat.patch
	eautoreconf

	elibtoolize
	epunt_cxx
}

src_compile() {
	# needed to avoid gcc looping internaly
	use hppa && export CFLAGS="-O1 -pipe"

	# Enabling asym, dmix, empty, iec958, ioplug, plug, softvol for now by
	# _DEFAULT_ since alsa seems to need it.
	econf \
		--enable-static \
		--enable-shared \
		--disable-resmgr \
		$(use_with debug) \
		$(use_enable alisp) \
		$(use_enable midi instr) \
		$(use_enable midi seq) $(use_enable midi aload) \
		"--with-pcm-plugins=asym dmix empty iec958 ioplug plug softvol ${ALSA_PCM_PLUGINS}" \
		--disable-dependency-tracking \
		|| die "configure failed"

	emake || die "make failed"

	if use doc; then
		emake doc || die "failed to generate docs"
		fgrep -Zrl "${S}" "${S}/doc/doxygen/html" | \
			xargs -0 sed -i -e "s:${S}::"
	fi
}

src_install() {
	emake DESTDIR="${D}" install || die "make install failed"

	dodoc ChangeLog TODO
	use doc && dohtml -r doc/doxygen/html/*
}

pkg_postinst() {
	ewarn "Starting from alsa 1.0.11_rc3 the configuration for dmix is changed."
	ewarn "Leaving around old asound.conf or ~/.asoundrc might make all apps"
	ewarn "using ALSA output crash."
	ewarn "Note that dmix output is enabled by default on the 'default' device"
	ewarn "since ALSA 1.0.9."
	elog ""
	elog "Please try in-kernel ALSA drivers instead of the alsa-drivers ebuild."
	elog "If alsa-drivers works for you where a recent kernel does not, we want "
	elog "to know about this. Our e-mail address is alsa-bugs@gentoo.org"
	elog "However, if you notice no sound output or instability, please try to "
	elog "upgrade your kernel to a newer version first."
}