===> xlint
   ===> xlint/lint1
   cc -O6 -m486 -pipe -I. -DXXX_BROKEN_GCC   -c cgram.c
   [...]
   cc   -o lint1 cgram.o scan.o mem1.o mem.o err.o main1.o decl.o tree.o func.o ini
   t.o emit.o emit1.o -ll
   main1.o: Undefined symbol `_yydebug' referenced from text segment

this has been fixed already.
   
   
   ===> man/man4/man4.sun3
   install -c -o bin -g bin -m 444 bwtwo.cat4 /usr/share/man/cat4/sun3/bwtwo.0
   install: /usr/share/man/cat4/sun3/bwtwo.0: No such file or directory
   
   
   ===> man/man8/man8.sun3
   install -c -o bin -g bin -m 444 makedev.cat8 /usr/share/man/cat8/sun3/makedev.0
   install: /usr/share/man/cat8/sun3/makedev.0: No such file or directory

   ===> phantasia
   ./setup -m /usr/src/games/phantasia/monsters.asc
   Error: Cannot create /var/games/phantasia/monsters.
   /var/games/phantasia/monsters: No such file or directory

these are because you didn't run mtree  :-)
   
   ===> ispcvt
   install -c -s -o bin -g bin -m 555  ispcvt /usr/sbin
   install -c -o bin -g bin -m 444 ispcvt.cat1 /usr/local/man/cat1/ispcvt.0
   install: ispcvt.cat1: No such file or directory

sounds like a buggy Makefile.  of course, seeing it's ispcvt, i assume
it only affects i386 lepers  :-)

.mrg.