sun$ aclocal
/opt/csw/share/aclocal/pth.m4:43: warning: underquoted definition of _AC_PTH_ERROR
  run info '(automake)Extending aclocal'
  or see http://sources.redhat.com/automake/automake.html#Extending%20aclocal
/opt/csw/share/aclocal/pth.m4:55: warning: underquoted definition of _AC_PTH_VERBOSE
/opt/csw/share/aclocal/pth.m4:61: warning: underquoted definition of AC_CHECK_PTH
/opt/csw/share/aclocal/gtk.m4:7: warning: underquoted definition of AM_PATH_GTK
/opt/csw/share/aclocal/gpgme-claws.m4:9: warning: underquoted definition of AM_PATH_GPGME
/opt/csw/share/aclocal/glib.m4:8: warning: underquoted definition of AM_PATH_GLIB
/opt/csw/share/aclocal/audiofile.m4:12: warning: underquoted definition of AM_PATH_AUDIOFILE
/opt/csw/share/aclocal/ao.m4:9: warning: underquoted definition of XIPH_PATH_AO
sun$