[tz] make traditional_tarballs fails on macOS for 2022b

[Deborah Goldsmith]

This is a regression from 2022a. This is on macOS 13.0 but I suspect it will fail the same way on macOS 12. Also note that macOS does not have nroff installed, but that doesn’t look like a fatal error.

Debbie

debbie  6:11PM tz ✓ % make traditional_tarballs
{ (type git) >/dev/null 2>&1 && \
		  V=`git describe --match '[0-9][0-9][0-9][0-9][a-z]*' \
				--abbrev=7 --dirty` || \
		  if test 'unknown' = unknown && V=`cat version`; then \
		    case $V in *-dirty);; *) V=$V-dirty;; esac; \
		  else \
		    V='unknown'; \
		  fi; } && \
		printf '%s\n' "$V" >version.out
mv version.out version
awk -v EXPIRES_LINE=0 \
		  -f leapseconds.awk leap-seconds.list >leapseconds.out
mv leapseconds.out leapseconds
LC_ALL=C sh workman.sh `expr tzselect.8.txt : '\(.*\)\.txt$'` >tzselect.8.txt.out
workman.sh: line 16: nroff: command not found
mv tzselect.8.txt.out tzselect.8.txt
LC_ALL=C sh workman.sh `expr zic.8.txt : '\(.*\)\.txt$'` >zic.8.txt.out
workman.sh: line 16: nroff: command not found
mv zic.8.txt.out zic.8.txt
awk \
		  -v DATAFORM=`expr main.zi : '\(.*\).zi'` \
		  -v PACKRATDATA='' \
		  -v PACKRATLIST='' \
		  -f ziguard.awk \
		  africa antarctica asia australasia europe northamerica southamerica etcetera factory backward  >main.zi.out
awk: syntax error at source line 110 source file ziguard.awk
 context is
	      stdoff_column = 2 * /^Zone/ >>>  + <<<  1
awk: illegal statement at source line 110 source file ziguard.awk
awk: illegal statement at source line 110 source file ziguard.awk
make: *** [main.zi] Error 2