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# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
inherit eutils linux-mod
DESCRIPTION="An entirely re-designed and re-implemented Unionfs."
HOMEPAGE="http://aufs.sourceforge.net/"
SRC_URI="http://dev.gentooexperimental.org/~tommy/${P}.tar.bz2
http://dev.gentoo.org/~tommy/distfiles/${P}.tar.bz2"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="debug fuse hinotify nfsexport robr"
S="${WORKDIR}"/aufs
MODULE_NAMES="aufs(misc:${S})"
pkg_setup() {
# kernel version check
if kernel_is lt 2 6 16 ; then
eerror "${PN} is being developed and tested on linux-2.6.16 and later."
eerror "Make sure you have a proper kernel version!"
die "Wrong kernel version"
fi
if kernel_is ge 2 6 24 && linux_chkconfig_present "SECURITY" ; then
APPLY_SEC_PERM_PATCH="n"
if ! grep -qs "EXPORT_SYMBOL(security_inode_permission);" "${KV_DIR}/security/security.c" ; then
APPLY_SEC_PERM_PATCH="y"
fi
# make sure the user is allowing this to happen
if [[ APPLY_SEC_PERM_PATCH = "y" ]] ; then
eerror "${PN} requires that all kernels with CONFIG_SECURITY enabled >= 2.6.24"
eerror "be patched. Please enable visit ${HOMEPAGE} and read"
eerror "about the sec_perm patch to enable ${PN} support."
die "Invalid kernel configuration, we won't compile if CONFIG_SECURITY is enabled"
fi
fi
linux-mod_pkg_setup
}
src_unpack(){
unpack ${A}
cd "${S}"
# Enable hinotify in priv_def.mk
if use hinotify && kernel_is ge 2 6 18 ; then
echo "CONFIG_AUFS_HINOTIFY = y" >> priv_def.mk || die "setting hinotify in priv_def.mk failed!"
fi
# Disable SYSAUFS for kernel less than 2.6.18
if kernel_is lt 2 6 18 ; then
echo "CONFIG_AUFS_SYSAUFS = " >> priv_def.mk || die "unsetting sysaufs in priv_def.mk failed!"
fi
# Enable nfsexport in priv_def.mk
if use nfsexport && kernel_is ge 2 6 18 ; then
echo "CONFIG_AUFS_EXPORT = y" >> priv_def.mk || die "setting export in priv_def.mk failed!"
fi
# Enable aufs readonly-branch in priv_def.mk
if use robr ; then
echo "CONFIG_AUFS_ROBR = y" >> priv_def.mk || die "setting robr in priv_def.mk failed!"
fi
# Enable FUSE workaround for AUFS
if use fuse ; then
echo "CONFIG_AUFS_WORKAROUND_FUSE = y" >> priv_def.mk || die "setting workaround_fuse in priv_def.mk failed!"
fi
# Enable / Disable debugging
if use debug ; then
echo "CONFIG_AUFS_DEBUG = y" >> priv_def.mk || die "setting debug in priv_dev.mk failed!"
else
echo "CONFIG_AUFS_DEBUG = " >> priv_def.mk || die "setting debug in priv_dev.mk failed!"
fi
# Check if a vserver-kernel is installed
if [[ -e ${KV_DIR}/include/linux/vserver ]] ; then
einfo "vserver kernel seems to be installed"
einfo "using vserver patch"
echo "AUFS_DEF_CONFIG = -DVSERVER" >> priv_def.mk || die "setting vserver in priv_def.mk failed!"
fi
}
src_compile() {
use x86 && ARCH=i386
use amd64 && ARCH=x86_64
emake KDIR=${KV_DIR} SUBLEVEL=${KV_PATCH} -f local.mk || die "emake failed"
}
src_install() {
cd util
exeinto /sbin
exeopts -m0500
doexe mount.aufs umount.aufs auplink aulchown || die
doman aufs.5 || die
linux-mod_src_install
}
pkg_postinst() {
elog "To be able to use aufs, you have to load the kernel module by typing:"
elog "modprobe aufs"
elog "For further information refer to the aufs man page"
linux-mod_pkg_postinst
}
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