# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-apps/lm_sensors/lm_sensors-3.0.2.ebuild,v 1.2 2008/08/13 16:13:57 armin76 Exp $

inherit eutils flag-o-matic linux-info toolchain-funcs multilib

DESCRIPTION="Hardware Monitoring user-space utilities"

HOMEPAGE="http://www.lm-sensors.org/"
SRC_URI="http://dl.lm-sensors.org/lm-sensors/releases/${P}.tar.bz2"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~ppc ~sparc ~x86"

IUSE="sensord"

COMMON="sensord? ( net-analyzer/rrdtool )"
DEPEND="${COMMON}
		sys-apps/sed"
RDEPEND="${COMMON}
		dev-lang/perl
		virtual/logger"

pkg_setup() {
	linux-info_pkg_setup

	if ! linux_chkconfig_present HWMON; then
		eerror
		eerror "${P} requires CONFIG_HWMON to be enabled."
		eerror
		die "CONFIG_HWMON not detected"
	fi
	if ! linux_chkconfig_present I2C_CHARDEV; then
		ewarn
		ewarn "sensors-detect requires CONFIG_I2C_CHARDEV to be enabled."
		ewarn
	fi
	if ! linux_chkconfig_present I2C; then
		ewarn
		ewarn "${P} requires CONFIG_I2C to be enabled for most sensors."
		ewarn
	fi
}

src_unpack() {
	unpack ${A}

	cd "${S}"
	epatch "${FILESDIR}"/${PN}-3.0.1-sensors-detect-gentoo.patch

	if use sensord; then
		sed -i -e 's:^# \(PROG_EXTRA\):\1:' "${S}"/Makefile
	fi

	# Respect LDFLAGS
	sed -i -e 's/\$(LIBDIR)$/\$(LIBDIR) \$(LDFLAGS)/g' Makefile
	sed -i -e 's/\$(LIBSHSONAME) -o/$(LIBSHSONAME) \$(LDFLAGS) -o/g' lib/Module.mk
}

src_compile()  {
	einfo
	einfo "You may safely ignore any errors from compilation"
	einfo "that contain \"No such file or directory\" references."
	einfo

	filter-flags -fstack-protector

	emake CC=$(tc-getCC) \
		|| die "emake failed"
}

src_install() {
	emake DESTDIR="${D}" PREFIX=/usr MANDIR=/usr/share/man LIBDIR=/usr/$(get_libdir) \
		install || die "emake install failed"

	newinitd "${FILESDIR}"/lm_sensors-3-init.d lm_sensors
	newinitd "${FILESDIR}"/fancontrol-init.d fancontrol

	if use sensord; then
		newconfd "${FILESDIR}"/sensord-conf.d sensord
		newinitd "${FILESDIR}"/sensord-init.d sensord
	fi

	dodoc CHANGES CONTRIBUTORS INSTALL README*

	dodoc doc/donations doc/fancontrol.txt doc/fan-divisors \
		doc/progs doc/temperature-sensors doc/vid

	dohtml doc/lm_sensors-FAQ.html doc/useful_addresses.html

	docinto chips
	dodoc doc/chips/*

	docinto developers
	dodoc doc/developers/applications
}

pkg_postinst() {
	elog
	elog "Please run \`/usr/sbin/sensors-detect' in order to setup"
	elog "/etc/conf.d/lm_sensors."
	elog
	elog "/etc/conf.d/lm_sensors is vital to the init-script."
	elog "Please make sure you also add lm_sensors to the desired"
	elog "runlevel. Otherwise your I2C modules won't get loaded"
	elog "on the next startup."
	elog
	elog "You will also need to run the above command if you're upgrading from"
	elog "<=${PN}-2, as the needed entries in /etc/conf.d/lm_sensors has"
	elog "changed."
	elog
	elog "Be warned, the probing of hardware in your system performed by"
	elog "sensors-detect could freeze your system. Also make sure you read"
	elog "the documentation before running lm_sensors on IBM ThinkPads."
	elog
	elog "Please refer to the lm_sensors documentation for more information."
	elog "(http://www.lm-sensors.org/wiki/Documentation)"
	elog
}