Add btrfs-progs packge

Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>

board/alix/ROOTFS

@@ -24,3 +24,4 @@ procps-ng
 psmisc
 file
 iana-etc
+btrfs-progs

board/rpi3/ROOTFS

@@ -27,3 +27,4 @@ procps-ng
 psmisc
 file
 iana-etc
+btrfs-progs

pkg/btrfs-progs/0001.patch

@@ -0,0 +1,12 @@
+diff --git a/mkfs/main.c.old b/mkfs/main.c
+index ea65c6d..79f985c 100644
+--- a/mkfs/main.c.old
++++ b/mkfs/main.c
+@@ -31,6 +31,7 @@
+ #include <uuid/uuid.h>
+ #include <ctype.h>
+ #include <blkid/blkid.h>
++#include <limits.h>
+ #include "ctree.h"
+ #include "disk-io.h"
+ #include "volumes.h"

pkg/btrfs-progs/build

@@ -0,0 +1,45 @@
+VERSION="4.15"
+SRCDIR="btrfs-progs-v${VERSION}"
+TARBALL="${SRCDIR}.tar.xz"
+URL="https://www.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs"
+SHA256SUM="9e3528c60c76970b73297ea4b01bdc23a70c39c82d540b61cf07a7c0612339e9"
+DEPENDS="util-linux zlib lzo"
+
+prepare() {
+	return
+}
+
+build() {
+	local SOURCE="$1"
+	local BUILD="$2"
+
+	cp -r ${SOURCE}/* ${BUILD}
+
+	apply_patches
+
+	./configure --prefix="" --host="$TARGET" --sbindir=/bin \
+		    --disable-documentation --disable-convert \
+		    --disable-zstd --disable-backtrace
+
+	make -j $NUMJOBS
+}
+
+deploy() {
+	local SOURCE="$1"
+	local BUILD="$2"
+	local DEPLOY="$3"
+	local DEVDEPLOY="$4"
+
+	make DESTDIR="$DEPLOY" install
+
+	# just some script that tells you to use a different command
+	rm "$DEPLOY/bin/fsck.btrfs"
+
+	for i in ${DEPLOY}/bin/*; do
+		${TARGET}-strip --discard-all $i
+	done
+
+	unset -v i
+
+	split_dev_deploy "$DEPLOY" "$DEVDEPLOY"
+}