aufs: added aufs(another union filesystem)

* patch provided by Bernhard Guillon  aka mr_nice
* closes bug 4524

4 files changed, 96 insertions, 0 deletions

diff --git a/packages/aufs/.mtn2git_empty b/packages/aufs/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/aufs/.mtn2git_empty
diff --git a/packages/aufs/aufs/.mtn2git_empty b/packages/aufs/aufs/.mtn2git_empty
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/packages/aufs/aufs/.mtn2git_empty
diff --git a/packages/aufs/aufs/aufs_create_no_manpage.patch b/packages/aufs/aufs/aufs_create_no_manpage.patch
new file mode 100644
index 0000000000..ec7c0c1138
--- /dev/null
+++ b/packages/aufs/aufs/aufs_create_no_manpage.patch
@@ -0,0 +1,34 @@
+OE-only:
+comment: Not building the manpage is just a hack.
+
+diff -Nur aufs.vanilla/util/Makefile aufs/util/Makefile
+--- aufs.vanilla/util/Makefile	2008-08-23 13:00:37.000000000 +0200
++++ aufs/util/Makefile	2008-08-23 15:40:26.000000000 +0200
+@@ -1,25 +1,10 @@
+ 
+ # $Id: Makefile,v 1.10 2008/05/26 04:02:40 sfjro Exp $
+ 
+-all: aufs.5 aulchown
++all: aulchown
+ 	test -x ./mount.aufs || chmod a+x ./mount.aufs
+ 
+-aufs.5: aufs.in.5 ./c2tmac
+-	${RM} $@
+-	./c2tmac > $@
+-	awk '{ \
+-		gsub(/\140[^\047]*\047/, "\\[oq]&\\[cq]"); \
+-		gsub(/\\\[oq\]\140/, "\\[oq]"); \
+-		gsub(/\047\\\[cq\]/, "\\[cq]"); \
+-		gsub(/\047/, "\\[aq]"); \
+-		print; \
+-	}' aufs.in.5 >> $@
+-	chmod a-w $@
+-
+ CFLAGS += -O2 -Wall ${EXTRA_CFLAGS} ${ccflags-y}
+ 
+-.INTERMEDIATE: c2tmac.o c2tmac
+-c2tmac.o: c2tmac.c ../include/linux/aufs_type.h
+-
+ clean:
+-	${RM} c2tmac aulchown aufs.5 *~ .*~
++	${RM} aulchown *~ .*~
diff --git a/packages/aufs/aufs_cvs.bb b/packages/aufs/aufs_cvs.bb
new file mode 100644
index 0000000000..e83071fa0b
--- /dev/null
+++ b/packages/aufs/aufs_cvs.bb
@@ -0,0 +1,62 @@
+DESCRIPTION = "Aufs is a stackable unification filesystem such as Unionfs, which unifies several directories and provides a merged single directory."
+HOMEPAGE = "http://aufs.sourceforge.net/"
+LICENSE = "GPL"
+RDEPENDS = "kernel (${KERNEL_VERSION})"
+DEPENDS = "virtual/kernel sed-native"
+PV = "cvs${SRCDATE}"
+PR = "r0"
+S = "${WORKDIR}/aufs"
+inherit module
+
+# We do not create the manpage for aufs because we do not install it anyway.
+# If you want to have the manpage created you will need to add host cc to
+# the makefile else it will fail to crosscompile.
+# See http://svn.exactcode.de/t2/trunk/package/filesystem/aufs/compile.patch.cross
+# as an example how this could be done.
+
+SRC_URI = "cvs://anonymous@aufs.cvs.sourceforge.net/cvsroot/aufs;module=aufs;date=${SRCDATE} \
+	file://aufs_create_no_manpage.patch;patch=1 "
+
+EXTRA_OEMAKE = "KDIR=${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() {
+echo ${S} > /home/nice/sdir
+	K_VERSION=$(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(){
+	LDFLAGS=""
+	oe_runmake 
+}
+
+do_install() {
+	install -m 500 -p mount.aufs umount.aufs auplink aulchown ${D}/${sbindir}
+	mkdir -p ${D}/etc/default	
+	echo FLUSH=ALL > ${D}/etc/default/auplink
+	mkdir -p ${D}/${base_libdir}/modules/${KERNEL_VERSION}/drivers/extra/	
+	cp aufs.ko ${D}/${base_libdir}/modules/${KERNEL_VERSION}/drivers/extra/
+}
+
+pkg_postinst() {
+if test "x$D" != "x"; then
+       exit 1
+else
+	depmod -ae
+fi
+}
+