./configure --enable-256-color --enable-xft \
--enable-font-styles --enable-transparency \
--enable-xim --enable-mousewheel --enable-text-blink \
--with-x --enable-perl --enable-combining \
--disable-pixbuf --disable-startup-notification \
--disable-next-scroll --disable-xterm-scroll \
--disable-rxvt-scroll --with-term=rxvt

dd bs=4M if=bootable.iso of=/dev/sdX conv=fdatasync status=progress oflag=sync

Replace X with your usb drive letter.

$ git submodule status # get information

$ git ls-tree HEAD # which commit is bound to the current branch

$ git submodule update [--init] [--recursive] # align branch with submodules