ivanich:

Trunk is at 0d5c1d7
Most likely this happens because of toolchain/glibc upgrade

lib/libmtd_legacy.c:255:15: warning: implicit declaration of function 'minor' [-Wimplicit-function-declaration]
mtd->minor = minor(st.st_rdev);
^~~~~
CC lib/libcrc32.o
CC lib/libfec.o
AR lib/libmtd.a
LD mkfs.jffs2
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.o: In function write_special_file': /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:944: undefined reference to major'
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:944: undefined reference to minor' /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.o: In function recursive_populate_directory':
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:1263: undefined reference to minor' /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:1263: undefined reference to major'
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:1273: undefined reference to minor' /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:1273: undefined reference to major'
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.o: In function interpret_table_entry': /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:503: undefined reference to makedev'
/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:467: undefined reference to makedev' /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2.c:510: undefined reference to makedev'
collect2: error: ld returned 1 exit status
make[4]: *** [common.mk:81: /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/mkfs.jffs2] Error 1
make[4]: Leaving directory '/mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2'
make[3]: *** [Makefile:56: /mnt/sdb2/lede/lede/build_dir/host/mtd-utils-1.5.2/.built] Error 2
make[3]: Leaving directory '/mnt/sdb2/lede/lede/tools/mtd-utils'
make[2]: *** [tools/Makefile:150: tools/mtd-utils/compile] Error 2
make[2]: Leaving directory '/mnt/sdb2/lede/lede'