textproc/mdocml fails on Solaris 10

gcc -L/home/sme/pkgsrc/pbulk/lib -Wl,-R/home/sme/pkgsrc/pbulk/lib -o mandoc eqn_html.o  html.o  man_html.o  mdoc_html.o  tbl_html.o  mdoc_man.o  eqn_term.o  man_term.o  mdoc_term.o  term.o  term_ascii.o  term_ps.o  tbl_term.o  main.o  manpath.o  out.o  tree.o mandocdb.o  mansearch.o  mansearch_const.o libmandoc.a -L/home/sme/pkgsrc/pbulk/lib -Wl,-R/home/s e/pkgsrc/pbulk/lib -lsqlite3
mandocdb.o: In function `dbopen':
mandocdb.c:(.text+0x136f): undefined reference to `mkdtemp'
libmandoc.a(compat_fts.o): In function `fts_read':
compat_fts.c:(.text+0x79b): undefined reference to `dirfd'
libmandoc.a(mandoc_aux.o): In function `mandoc_asprintf':
mandoc_aux.c:(.text+0x1ab): undefined reference to `vasprintf'
collect2: ld returned 1 exit status
*** Error code 1
Stop.
bmake: stopped in /tmp/obj-pbulk/textproc/mdocml/work/mdocml-1.13.3
*** Error code 1