Hi, The `-t` option was passed to ctags(1) in bsd.dep.mk revision 1.9 2010/03/27. However, the same option was later turned into a no-op but kept around for backwards compatibility (usr.bin/ctags/ctags.c revision 1.23 2010/11/03).
OK to drop the option from bsd.dep.mk? Index: bsd.dep.mk =================================================================== RCS file: /cvs/src/share/mk/bsd.dep.mk,v retrieving revision 1.12 diff -u -p -r1.12 bsd.dep.mk --- bsd.dep.mk 4 Sep 2016 00:34:29 -0000 1.12 +++ bsd.dep.mk 31 May 2017 07:16:31 -0000 @@ -40,7 +40,7 @@ afterdepend: .if !target(tags) . if defined(SRCS) tags: ${SRCS} _SUBDIRUSE - -cd ${.CURDIR}; ${CTAGS} -f /dev/stdout -d -t ${.ALLSRC:N*.h} | \ + -cd ${.CURDIR}; ${CTAGS} -f /dev/stdout -d ${.ALLSRC:N*.h} | \ sed "s;\${.CURDIR}/;;" > tags . else tags: