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

EAPI="5"

inherit eutils versionator toolchain-funcs multilib linux-info

DESCRIPTION="Linux Performance Counters"
HOMEPAGE="http://user.it.uu.se/~mikpe/linux/perfctr/"
SRC_URI="http://user.it.uu.se/~mikpe/linux/perfctr/$(get_version_component_range 1-2)/${P}.tar.xz"

LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""

DEPEND=""
RDEPEND=""

CONFIG_CHECK="~PERFCTR"
ERROR_PERFCTR="Your kernel needs support for perfctr to use this package!"
MY_SRCDIR="${D}/usr/src"
MY_SHAREDIR="${D}/usr/share/${P}"
MY_DIR="${P}"

pkg_setup() {
	enewgroup perfctr
}

src_unpack() {
	unpack "${A}"

	cd "${S}"
	epatch "${FILESDIR}"/udev-rules.patch
}

src_compile() {
	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}" || die "emake failed"
}

src_install() {
	emake \
		PREFIX="${D}/usr" \
		BINDIR="${D}/usr/bin" \
		LIBDIR="${D}/usr/$(get_libdir)" \
		INCLDIR="${D}/usr/include" \
		ETCDIR="${D}/etc" \
		install \
		|| die "emake install failed"

	# Cleanup
	mv "${D}"/etc/rc.d/init.d "${D}"/etc/
	rm -rf "${D}"/etc/rc.d
#	mv "${D}"/etc/udev.d "${D}"/etc/udev

	mkdir -p "${MY_SRCDIR}"
	cd "${MY_SRCDIR}"
	unpack "${A}"
	cd "${MY_DIR}"
	rm -rf usr.lib etc Makefile perfctr.spec
	mkdir -p "${MY_SHAREDIR}"
	mv examples CHANGES COPYING OTHER TODO "${MY_SHAREDIR}"/
	cp INSTALL README "${MY_SHAREDIR}"/
}

pkg_postinst() {
	elog
	elog "To use the PerfCtr framework add your user to the perfctr group."
	elog
}