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# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/media-sound/alsa-driver/alsa-driver-1.0.7.ebuild,v 1.11 2004/11/24 20:16:06 eradicator Exp $

IUSE="oss doc"

inherit kernel-mod flag-o-matic eutils

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

DESCRIPTION="Advanced Linux Sound Architecture kernel modules"
HOMEPAGE="http://www.alsa-project.org/"
SRC_URI="mirror://alsaproject/driver/${P}.tar.bz2"

LICENSE="GPL-2 LGPL-2.1"
SLOT="${KV}"
KEYWORDS="~alpha ~amd64 ~ia64 ~mips ~ppc ~sparc ~x86"

RDEPEND="virtual/modutils
	 ~media-sound/alsa-headers-${PV}"

DEPEND="${RDEPEND}
	sys-devel/patch
	virtual/linux-sources
	>=sys-devel/autoconf-2.50
	sys-apps/debianutils"

PROVIDE="virtual/alsa"

# By default, drivers for all supported cards will be compiled.
# If you want to only compile for specific card(s), set ALSA_CARDS
# environment to a space-separated list of drivers that you want to build.
# For example:
#
#   env ALSA_CARDS='emu10k1 intel8x0 ens1370' emerge alsa-driver
#
[ -z "${ALSA_CARDS}" ] && ALSA_CARDS=all

src_unpack() {
	unpack ${A}

	cd ${S}
	epatch ${FILESDIR}/${PN}-1.0.5-devfix.patch
	epatch ${FILESDIR}/${PN}-1.0.5a-cs46xx-passthrough.patch

	if [ "${PROFILE_ARCH}" == "xbox" ]; then
		epatch ${FILESDIR}/${PN}-1.0.5a-xbox-ac97.patch
	fi

	if kernel-mod_is_2_5_kernel || (kernel-mod_is_2_6_kernel && [ ${KV_PATCH} -lt 6 ]); then
		FULL_KERNEL_PATH="${ROOT}/usr/src/${KV_DIR}"

		if ! [ -d "${FULL_KERNEL_PATH}" ]; then
			eerror "An error seems to have occurred.  We looked in ${FULL_KERNEL_PATH} for your kernel sources, but we didn't see them."
			die "ALSA driver configuration failure."
		fi

		einfo "A 2.5 or 2.6 kernel was detected.  We are copying the kernel source tree from"
		einfo "${FULL_KERNEL_PATH} to ${T}/linux"
		einfo "because the alsa-driver build process overwrites files in the 2.6.x kernel tree."

		# Copy everything over to our tmp dir...
		cp -a ${FULL_KERNEL_PATH} ${T}/linux
	else
		# SUBDIRS -> M
		epatch ${FILESDIR}/${PN}-1.0.6a-kbuild.patch
	fi

	# Fix ioctl32 support
	epatch ${FILESDIR}/${P}-ioctl32.patch

	# Fix order of configure operations so the kernel compiler isn't used
	# for tests.
	epatch ${FILESDIR}/${PN}-1.0.7-configure.patch
	export WANT_AUTOCONF=2.5
	autoconf
}

src_compile() {
	# Default ARCH & kernel path to set in compilation and make
	KER_DIR=${KERNEL_DIR}

	# If we're using a 2.5 or 2.6 kernel, use our copied kernel tree.
	if [ -d "${T}/linux" ]; then
		KER_DIR="${T}/linux"
	fi

	econf `use_with oss` \
		--with-kernel="${KER_DIR}" \
		--with-build="${KER_DIR}" \
		--with-isapnp=yes \
		--with-sequencer=yes \
		--with-cards="${ALSA_CARDS}" || die "econf failed"

	# Should fix bug #46901
	is-flag "-malign-double" && filter-flags "-fomit-frame-pointer"

	unset ARCH
	# -j1 : see bug #71028
	emake -j1 || die "Parallel Make Failed"

	if use doc; then
		cd ${S}/scripts
		emake || die

		cd ${S}/doc/DocBook
		emake || die
	fi
}


src_install() {
	dodir /usr/include/sound
	make DESTDIR=${D} install || die

	# Provided by alsa-headers now
	rm -rf ${D}/usr/include/sound

	# We have our own scripts in alsa-utils
	test -e ${D}/etc/init.d/alsasound && rm ${D}/etc/init.d/alsasound
	test -e ${D}/etc/rc.d/init.d/alsasound && rm ${D}/etc/rc.d/init.d/alsasound

	dodoc CARDS-STATUS INSTALL FAQ README WARNING TODO

	if use doc; then
		docinto doc
		dodoc doc/*
		rm ${D}/usr/share/doc/${PF}/doc/Makefile.gz

		docinto DocBook
		dodoc doc/DocBook/*
		rm ${D}/usr/share/doc/${PF}/DocBook/Makefile.gz

		docinto Documentation
		dodoc sound/Documentation/*
	fi
}

pkg_postinst() {
	if [ "${ROOT}" = / ]
	then
		[ -x /usr/sbin/update-modules ] && /usr/sbin/update-modules
	fi

	einfo
	einfo "The alsasound initscript and modules.d/alsa have now moved to alsa-utils"
	einfo
	einfo "Also, remember that all mixer channels will be MUTED by default."
	einfo "Use the 'alsamixer' program to unmute them."
	einfo
	einfo "Version 1.0.3 and above should work with version 2.6 kernels."
	einfo "If you experience problems, please report bugs to http://bugs.gentoo.org."
	einfo
}