This version is for building in envirnment of cygwin. based on MTD-UTILS 1.5.1 and patched ubinize for leb(logic erase blocks) parameter & add fastmap support to image creation.
UBINIZE patch as belows
http://lists.infradead.org/pipermail/linux-mtd/2015-March/058368.html http://lists.infradead.org/pipermail/linux-mtd/2015-March/058369.html
and build fixed in envirnment of cygwin.
RPMATCH patch
https://dev.openwrt.org/browser/packages/utils/mtd-utils/patches/010-fix-rpmatch.patch?rev=38300
OTHER CYGWIN PATCH
http://repository.timesys.com/buildsources/m/mtd-utils/mtd-utils-1.2.0/
Through NANDSIM on PC I verfied UBI Image generated by this tools which was built on cygwin environment.