HOSTCC  tools/ubsha1.o
  HOSTCC  tools/kwboot
  HOSTCC  tools/proftool
tools/mkimage.c: In function 'main':
tools/mkimage.c:438:54: warning: format '%ld' expects argument of type 'long int', but argument 5 has type 'off_t' {aka 'long long int'} [-Wformat=]
  438 |     "%s: Bad size: \"%s\" is not valid image: size %ld < %u\n",
      |                                                    ~~^
      |                                                      |
      |                                                      long int
      |                                                    %lld
  439 |     params.cmdname, params.imagefile,
  440 |     sbuf.st_size, tparams->header_size);
      |     ~~~~~~~~~~~~
      |         |
      |         off_t {aka long long int}
  HOSTCC  tools/fdtgrep.o
  HOSTCC  tools/spl_size_limit
tools/bmp_logo --gen-info ./tools/logos/denx.bmp > include/bmp_logo.h
tools/bmp_logo --gen-data ./tools/logos/denx.bmp > include/bmp_logo_data.h
  HOSTCC  tools/lib/crc8.o
  HOSTLD  tools/mkenvimage
  HOSTCC  tools/lib/bch.o
  HOSTLD  tools/gen_ethaddr_crc
tools/kwboot.c: In function 'kwboot_tty_change_baudrate':
tools/kwboot.c:627:6: error: 'struct termios' has no member named 'c_ospeed'
  627 |   tio.c_ospeed = tio.c_ispeed = baudrate;
      |      ^
tools/kwboot.c:627:21: error: 'struct termios' has no member named 'c_ispeed'
  627 |   tio.c_ospeed = tio.c_ispeed = baudrate;
      |                     ^
tools/kwboot.c:655:31: error: 'struct termios' has no member named 'c_ospeed'
  655 |  if (!_is_within_tolerance(tio.c_ospeed, baudrate, 3))
      |                               ^
tools/kwboot.c:658:31: error: 'struct termios' has no member named 'c_ispeed'
  658 |  if (!_is_within_tolerance(tio.c_ispeed, baudrate, 3))
      |                               ^
make[1]: *** [scripts/Makefile.host:95: tools/kwboot] Error 1
make[1]: *** Waiting for unfinished jobs....
make: *** [Makefile:1810: tools] Error 2
>>> ERROR: u-boot: build failed
>>> u-boot: Uninstalling dependencies...
(1/20) Purging .makedepends-u-boot (20220113.122533)
(2/20) Purging python3-dev (3.10.1-r0)