It was added in
8d1fd57a9 for measuring entropy of ssh_prng_cmds which
has long since been removed and there are no other references to it.
RANLIB=@RANLIB@
INSTALL=@INSTALL@
SED=@SED@
-ENT=@ENT@
XAUTH_PATH=@XAUTH_PATH@
LDFLAGS=-L. -Lopenbsd-compat/ @LDFLAGS@
LDFLAGS_NOPIE=-L. -Lopenbsd-compat/ @LDFLAGS_NOPIE@
AC_PATH_PROG([CAT], [cat])
AC_PATH_PROG([KILL], [kill])
AC_PATH_PROG([SED], [sed])
-AC_PATH_PROG([ENT], [ent])
-AC_SUBST([ENT])
AC_PATH_PROG([TEST_MINUS_S_SH], [bash])
AC_PATH_PROG([TEST_MINUS_S_SH], [ksh])
AC_PATH_PROG([TEST_MINUS_S_SH], [sh])