AR      debianutils/lib.a
  CC      findutils/grep.o
  LD      libbb/built-in.o
  AR      e2fsprogs/lib.a
  CC      coreutils/cp.o
  AR      archival/lib.a
  CC      editors/vi.o
  CC      archival/libarchive/header_list.o
  CC      findutils/xargs.o
  CC      init/init.o
  CC      libbb/appletlib.o
  CC      coreutils/cut.o
  CC      archival/libarchive/header_skip.o
  GEN     include/usage_compressed.h
libbb/appletlib.c:142:5: warning: "NUM_APPLETS" is not defined
libbb/appletlib.c: In function 'find_applet_by_name':
libbb/appletlib.c:152:5: warning: "NUM_APPLETS" is not defined
libbb/appletlib.c:163:13: error: 'NUM_APPLETS' undeclared (first use in this function)
  CC      archival/libarchive/header_verbose_list.o
libbb/appletlib.c:163:13: note: each undeclared identifier is reported only once for each function it appears in
libbb/appletlib.c: In function 'install_links':
libbb/appletlib.c:594:18: error: invalid application of 'sizeof' to incomplete type 'int (* const[])(int,  char **)' 
make[2]: *** [libbb/appletlib.o] Error 1
make[1]: *** [libbb] Error 2
make[1]: *** Waiting for unfinished jobs....
  CC      coreutils/date.o
  CC      archival/libarchive/init_handle.o
  CC      archival/libarchive/open_transformer.o
  LD      libpwdgrp/built-in.o
  CC      init/mesg.o
  CC      libpwdgrp/uidgid_get.o
  AR      console-tools/lib.a
  CC      coreutils/dd.o
  CC      archival/libarchive/seek_by_jump.o
  CC      archival/libarchive/seek_by_read.o
  CC      coreutils/df.o
  CC      archival/libarchive/unpack_ar_archive.o
  CC      coreutils/dirname.o
  CC      coreutils/dos2unix.o
  AR      libpwdgrp/lib.a
  AR      findutils/lib.a
  CC      coreutils/du.o
  CC      coreutils/echo.o
  AR      init/lib.a
  CC      coreutils/env.o
  CC      coreutils/expr.o
  CC      coreutils/false.o
  CC      coreutils/fold.o
  CC      coreutils/head.o
  CC      coreutils/hostid.o
  CC      coreutils/id.o
  CC      coreutils/install.o
  AR      archival/libarchive/lib.a
  CC      coreutils/ln.o
  CC      coreutils/logname.o
  CC      coreutils/ls.o
  CC      coreutils/md5_sha1_sum.o
  CC      coreutils/mkdir.o
  CC      coreutils/mkfifo.o
  CC      coreutils/mknod.o
  CC      coreutils/mv.o
  CC      coreutils/nice.o
  CC      coreutils/nohup.o
  CC      coreutils/od.o
  CC      coreutils/printenv.o
  CC      coreutils/printf.o
  CC      coreutils/pwd.o
  CC      coreutils/readlink.o
  CC      coreutils/realpath.o
  CC      coreutils/rm.o
  CC      coreutils/rmdir.o
  CC      coreutils/seq.o
  CC      coreutils/sleep.o
  CC      coreutils/sort.o
  CC      coreutils/stty.o
  CC      coreutils/sync.o
  CC      coreutils/tail.o
  CC      coreutils/tee.o
  CC      coreutils/test.o
  CC      coreutils/touch.o
  CC      coreutils/test_ptr_hack.o
  CC      coreutils/tr.o
  CC      coreutils/true.o
  CC      coreutils/tty.o
  CC      coreutils/uname.o
  CC      coreutils/uniq.o
  CC      coreutils/usleep.o
  CC      coreutils/uudecode.o
  CC      coreutils/uuencode.o
  CC      coreutils/wc.o
  CC      coreutils/who.o
  CC      coreutils/whoami.o
  CC      coreutils/yes.o
  AR      editors/lib.a
  AR      coreutils/lib.a
  HOSTCC  applets/usage_pod
  CC      applets/applets.o
  LD      applets/built-in.o
make[1]: Leaving directory `/home/peko/scratch/build/busybox-1.20.2'
make: *** [/home/peko/scratch/build/busybox-1.20.2/.stamp_built] Error 2