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DESCRIPTION = "Aufs is a stackable unification filesystem such as Unionfs, which unifies several directories and provides a merged single directory."
HOMEPAGE = "http://aufs.sourceforge.net/"
LICENSE = "GPL"
PV = "cvs${SRCDATE}"
PR = "r3"
RSUGGESTS_${PN} = "${PN}-tools"
inherit module
S = "${WORKDIR}/aufs"
SRC_URI = "cvs://anonymous@aufs.cvs.sourceforge.net/cvsroot/aufs;module=aufs;date=${SRCDATE}"
EXTRA_OEMAKE = "KDIR=${STAGING_KERNEL_DIR} -f local.mk"
# We need to check the architecture and the kernel version to
# configure properly lokal.mk. We ignore the export CONFIG_AUFS_STAT option.
# If you want to have CONFIG_AUFS_STAT enabled you have to add some other ARCH checks.
# Debian does not enable CONFIG_AUFS_STAT for arm.
# We disable CONFIG_AUFS_SYSAUFS for arm because arm does not know about cmpxchg.
# If you want this feature enabled you have to define it.
# I suggest you to read http://osdir.com/ml/linux.kernel.tracing/2006-12/msg00020.html
do_configure() {
K_VERSION=$(echo ${KERNEL_VERSION} | awk 'BEGIN{FS="."}{print $3}')
cd ${S}
if [ $K_VERSION -ge 24 ] ; then
sed -i 's/CONFIG_AUFS_FAKE_DM\ =\ y/CONFIG_AUFS_FAKE_DM\ =/g' local.mk
fi
if [ $K_VERSION -eq 25 ] || [ $ARCH = "arm" ] ; then
sed -i 's/CONFIG_AUFS_SYSAUFS\ =\ y/CONFIG_AUFS_SYSAUFS\ =/g' local.mk
fi
}
do_compile_prepend() {
#compile binaries for host
cd ${S}/util
BRANCH_MAX=$(fgrep CONFIG_AUFS_BRANCH_MAX ../local.mk | grep y | cut -d " " -f 2)
${BUILD_CC} -D ${BRANCH_MAX} c2tmac.c ../include/linux/aufs_type.h -o c2tmac
${BUILD_CC} -D ${BRANCH_MAX} c2sh.c ../include/linux/aufs_type.h -o c2sh
cd ${S}
}
do_install() {
install -d ${D}/${sbindir}
install -m 0500 mount.aufs umount.aufs auplink aulchown ${D}/${sbindir}
install -d ${D}/etc/default
echo FLUSH=ALL > ${D}/etc/default/auplink
install -d ${D}/${base_libdir}/modules/${KERNEL_VERSION}/drivers/extra/
install -m 0644 aufs.ko ${D}/${base_libdir}/modules/${KERNEL_VERSION}/drivers/extra/
}
FILES_${PN} = "/lib/modules"
PACKAGES += "${PN}-tools"
PACKAGE_ARCH = "${MACHINE_ARCH}"
FILES_${PN}-tools = "${sbindir} /etc/default/auplink"
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