Log Message:
The SunOS (OmniOS) yacc(1) breaks the build with

making generate-files-mac in kadmin...
making generate-files-mac in kadmin/cli...
../../util/ss/mk_cmds kadmin_ct.ct
/usr/bin/yacc  getdate.y
"getdate.y", line 180: fatal: invalid escape, or illegal reserved \ 
word: expect
*** Error code 1

-- use bison(1) instead.