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# Copyright 1999-2009 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-fs/btrfs/btrfs-0.16-r2.ebuild,v 1.4 2009/04/17 15:16:51 lavajoe Exp $
inherit eutils linux-mod
DESCRIPTION="A checksumming copy-on-write filesystem"
HOMEPAGE="http://btrfs.wiki.kernel.org/"
SRC_URI="http://www.kernel.org/pub/linux/kernel/people/mason/btrfs/${P}.tar.bz2
mirror://gentoo/${P}-hotfix.patch.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE=""
DEPEND=""
RDEPEND="${DEPEND}"
pkg_setup()
{
linux-mod_pkg_setup
BUILD_TARGETS="all"
BUILD_PARAMS="KERNELDIR=${KV_OUT_DIR}"
MODULE_NAMES="btrfs(fs:${S})"
if ! kernel_is 2 6; then
eerror "Need a 2.6 kernel to compile against!"
die "Need a 2.6 kernel to compile against!"
fi
if kernel_is gt 2 6 27; then
eerror "Not compatible with kernels beyond 2.6.27."
die "Not compatible with kernels beyond 2.6.27."
fi
if ! linux_chkconfig_present LIBCRC32C; then
eerror "You need to enable LIBCRC32C in your kernel!"
die "You need to enable LIBCRC32C in your kernel!"
fi
}
src_unpack() {
unpack ${A}
cd "${S}"
# Apply hot fixes
epatch "${WORKDIR}/${P}-hotfix.patch"
}
src_install()
{
linux-mod_src_install
dodoc INSTALL TODO
}
pkg_postinst() {
linux-mod_pkg_postinst
ewarn "WARNING: Btrfs is under heavy development and is not suitable for"
ewarn " any uses other than benchmarking and review."
ewarn " The Btrfs disk format is not yet finalized."
ewarn
ewarn " Also, it is highly recommended that the versions of"
ewarn " btrfs and btrfs-progs match."
ewarn
ewarn "Note: THE DISK FORMAT HAS CHANGED!"
ewarn " You must backup your data and re-create your btrfs"
ewarn " filesystem(s) for use with this version."
}
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