r286743: Required tool strip not found in PATH. *** Error code 1

On r286743, a make installworld dies with:

[...]
mkdir -p /tmp/install.tnjP0sgn
progs=$(for prog in [ awk cap_mkdb cat chflags chmod chown cmp cp  date echo egrep find
grep id install   ln lockf make mkdir mtree mv pwd_mkdb  rm sed services_mkdb sh strip
sysctl test true uname wc zic tzsetup   makewhatis; do  if progpath=`which $prog`; then
echo $progpath;  else  echo "Required tool $prog not found in PATH." >&2;  exit 1;  fi;
done);  libs=$(ldd -f "%o %p\n" -f "%o %p\n" $progs 2>/dev/null | sort -u |  while read
line; do  set -- $line;  if [ "$2 $3" != "not found" ]; then  echo $2;  else  echo
"Required library $1 not found." >&2;  exit 1;  fi;  done);  cp $libs
$progs /tmp/install.tnjP0sgn Required tool strip not found in PATH. *** Error code 1

Stop.
make[1]: stopped in /usr/src
*** Error code 1

System has been recently build-world installed and cleaned up with "make delete-old which
strips away elf toolchain tools. 

What is wrong? Did I missed something? Arethere replacements for the gone tools in base
or am I stuck with the port's version?

oh