vdir_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
## If necessary, add -lm to resolve use of pow in lib/strtod.c.
-sort_LDADD = $(LDADD) $(POW_LIB)
+sort_LDADD = $(LDADD) $(POW_LIB) $(LIB_GETHRXTIME)
# for get_date and gettime
date_LDADD = $(LDADD) $(LIB_CLOCK_GETTIME)
ls_SOURCES = ls.c ls-ls.c
chown_SOURCES = chown.c chown-core.c
chgrp_SOURCES = chgrp.c chown-core.c
+shred_SOURCES = shred.c rand-isaac.c
+sort_SOURCES = sort.c rand-isaac.c
mv_SOURCES = mv.c copy.c cp-hash.c remove.c
rm_SOURCES = rm.c remove.c