lib/libsysdecode /usr/include/./sys/pioctl.h:45:2: error: "<sys/pioctl.h> is deprecated

Anyoe else seeing this on current ?

===> lib/libsysdecode (all)
env CPP="cpp" MK_PF="yes"  /bin/sh /usr/src/lib/libsysdecode/mkioctls /usr/include > ioctl.c.tmp
In file included from <stdin>:97:
/usr/include/./sys/pioctl.h:45:2: warning: "<sys/pioctl.h> is deprecated, ptrace() should be used instead"
      [-W#warnings]
#warning "<sys/pioctl.h> is deprecated, ptrace() should be used instead"
 ^
1 warning generated.
if [ ! -e ioctl.c ] || ! cmp -s ioctl.c ioctl.c.tmp; then  mv -f ioctl.c.tmp ioctl.c;  fi
cc  -O2 -pipe -fno-common   -I/data/release/s1/usr/obj/usr/src/amd64.amd64/lib/libsysdecode -I/usr/src/sys -I/usr/src/libexec/rtld-elf -DPF -g -MD  -MF.depend.ioctl.o -MTioctl.o -std=gnu99 -Wno-format-zero-length -fstack-protector-strong -Wsystem-headers -Werror -Wall -Wno-format-y2k -W -Wno-unused-parameter -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow -Wunused-parameter -Wcast-align -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls -Wold-style-definition -Wno-pointer-sign -Wmissing-variable-declarations -Wthread-safety -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable  -Qunused-arguments    -c ioctl.c -o ioctl.o
In file included from ioctl.c:126:
/usr/include/./sys/pioctl.h:45:2: error: "<sys/pioctl.h> is deprecated, ptrace() should be used instead"
      [-Werror,-W#warnings]
#warning "<sys/pioctl.h> is deprecated, ptrace() should be used instead"

Cheers
--
Julian Stacey, Consultant Systems Engineer, BSD Linux http://berklix.com/jhs/
http://berklix.org/corona/   Brexit 31 Dec 2020 will damage UK & EU yet more.