Tweaks per Hans.
Add check target by default.  Fix packaging.  And make check output match
hdrchk, etc.
Use onbld mandoc.
manpage lint.

*** 9,45 ****
  # at http://www.illumos.org/license/CDDL.
  #
  
  #
  # Copyright 2011, Richard Lowe
! # Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
  #
  
  ROOTMAN=        $(ROOT)/usr/share/man
  ROOTHASMAN=     $(ROOT)/usr/has/man
- 
  FILEMODE=       0444
  
  # The manual section being built, client Makefiles must set this to, for e.g.
  # "3perl", with case matching that of the section name as installed.
  #
  # MANSECT=
  
  ROOTMANFILES=   $(MANFILES:%=$(ROOTMAN)/man$(MANSECT)/%)
  ROOTMANLINKS=   $(MANLINKS:%=$(ROOTMAN)/man$(MANSECT)/%)
  
  $(ROOTMAN)/man$(MANSECT)/% $(ROOTHASMAN)/man$(MANSECT)/%: %
                  $(INS.file)
  
  $(MANLINKS):
                  $(RM) $@; $(SYMLINK) $(LINKSRC) $@
  
  $(ROOTMANLINKS): $(MANLINKS)
                  $(RM) $@; $(CP) -RP $(@F) $(@D)
  
  all:
  
  clean:
  
  clobber:
                  $(RM) $(MANLINKS)
  
--- 9,52 ----
  # at http://www.illumos.org/license/CDDL.
  #
  
  #
  # Copyright 2011, Richard Lowe
! # Copyright 2014 Nexenta Systems, Inc.  All rights reserved.
  #
  
+ MANDOC=         $(ONBLD_TOOLS)/bin/${MACH}/mandoc
  ROOTMAN=        $(ROOT)/usr/share/man
  ROOTHASMAN=     $(ROOT)/usr/has/man
  FILEMODE=       0444
  
  # The manual section being built, client Makefiles must set this to, for e.g.
  # "3perl", with case matching that of the section name as installed.
  #
  # MANSECT=
  
+ MANCHECKS=      $(MANFILES:%=%.check)
  ROOTMANFILES=   $(MANFILES:%=$(ROOTMAN)/man$(MANSECT)/%)
  ROOTMANLINKS=   $(MANLINKS:%=$(ROOTMAN)/man$(MANSECT)/%)
  
  $(ROOTMAN)/man$(MANSECT)/% $(ROOTHASMAN)/man$(MANSECT)/%: %
                  $(INS.file)
  
+ $(MANCHECKS):
+                 @$(ECHO) "checking $(@:%.check=%)"; \
+                 $(MANDOC) -Tlint $(@:%.check=%)
+ 
  $(MANLINKS):
                  $(RM) $@; $(SYMLINK) $(LINKSRC) $@
  
  $(ROOTMANLINKS): $(MANLINKS)
                  $(RM) $@; $(CP) -RP $(@F) $(@D)
  
  all:
  
+ check:          $(MANCHECKS)
+ 
  clean:
  
  clobber:
                  $(RM) $(MANLINKS)