diff --git a/unix/make/Makefile.regexp b/unix/make/Makefile.regexp
index ec528bd..b098d36 100644
--- a/unix/make/Makefile.regexp
+++ b/unix/make/Makefile.regexp
@@ -11,7 +11,6 @@
 	regaux.$O\
 	rregexec.$O\
 	rregsub.$O\
-	rregaux.$O\
 
 HFILES=\
 	regexp9.h\
diff --git a/unix/make/Makefile.utf b/unix/make/Makefile.utf
index 9c142d4..4d15d10 100644
--- a/unix/make/Makefile.utf
+++ b/unix/make/Makefile.utf
@@ -31,7 +31,7 @@
 all: $(LIB)
 
 install: $(LIB)
-	test -d $(PREFIX)/man/man3 || mkdir $(PREFIX)/man/man3
+	mkdir -p $(PREFIX)/man/man3 $(PREFIX)/man/man7
 	install -c -m 0644 isalpharune.3 $(PREFIX)/man/man3/isalpharune.3
 	install -c -m 0644 utf.7 $(PREFIX)/man/man7/utf.7
 	install -c -m 0644 rune.3 $(PREFIX)/man/man3/rune.3
diff --git a/unix/mkfile b/unix/mkfile
index 4f63a77..58b86e5 100644
--- a/unix/mkfile
+++ b/unix/mkfile
@@ -4,10 +4,12 @@
 	regexp) t=libregexp ;;
 	*) t=lib$target ;;
 	esac
-	mkdir $t || true
-	rm $t/* || true
+	# 
+	mkdir -p $t
+	rm -f $t/* || true
 	cd $t
 	mk -f ../mkfile.$target
+	# 
 	case $target in
 	bio) d=$PLAN9/src/$t;;
 	regexp) d=$PLAN9/src/$t;;
@@ -15,6 +17,7 @@
 	utf) d=$PLAN9/src/lib9/$target ;;
 	mk) d=$PLAN9/src/cmd/mk ;;
 	esac
+	# 
 	for i in `ls -p $d/*.c`
 	do
 		if [ ! -f $i ]
@@ -34,7 +37,16 @@
 	rm $t/* || true
 	cd $t
 	mk -f ../mkfile.$target
-	
+
+%.install:V:
+	mk $stem
+	case $stem in
+	mk) t=mk ;;
+	regexp) t=libregexp ;;
+	*) t=lib$stem ;;
+	esac
+	(cd $t; make install)
+
 lib%.tgz:
 	mk $stem
 	tar cf - lib$stem |gzip >lib$stem.tgz
diff --git a/unix/mkfile.fmt b/unix/mkfile.fmt
index d970a24..36d4e8d 100644
--- a/unix/mkfile.fmt
+++ b/unix/mkfile.fmt
@@ -8,8 +8,9 @@
 	fmt.h\
 	fmtdef.h\
 	nan.h\
-	print.3\
+	plan9.h\
 	fmtinstall.3\
+	print.3\
 
 all:V: $TARG
 
@@ -40,8 +41,3 @@
 NOTICE: ../NOTICE.fmt
 	cp $prereq $target
 
-fmt.h: ../fmt.h
-	cp $prereq $target
-
-fmt.c: $PLAN9/src/lib9/fmt/fmt.c
-	cat $prereq | sed "/'u',.*__flagfmt/ s/__flagfmt/__ifmt/" >$target
diff --git a/unix/mkfile.mk b/unix/mkfile.mk
index 09d064d..17fd970 100644
--- a/unix/mkfile.mk
+++ b/unix/mkfile.mk
@@ -39,5 +39,5 @@
 NOTICE: ../NOTICE.mk
 	cp $prereq $target
 
-sys.h: $PLAN9/src/cmd/mk/sys.h.std
+sys.h: $PLAN9/src/cmd/mk/sys.std.h
 	cp $prereq $target
diff --git a/unix/mkfile.regexp b/unix/mkfile.regexp
index de81308..8683422 100644
--- a/unix/mkfile.regexp
+++ b/unix/mkfile.regexp
@@ -28,6 +28,12 @@
 %: $PLAN9/man/man7/%
 	cp $prereq $target
 
+regexp9.3: $PLAN9/man/man3/regexp.3
+	cp $prereq $target
+
+regexp9.7: $PLAN9/man/man7/regexp.7
+	cp $prereq $target
+
 %: ../make/%
 	cp $prereq $target
 
@@ -40,5 +46,6 @@
 NOTICE: ../NOTICE.regexp
 	cp $prereq $target
 
-lib9.h: $PLAN9/src/libregexp/lib9.h
+lib9.h: $PLAN9/src/libregexp/lib9.std.h
 	cp $prereq $target
+
diff --git a/unix/mkfile.utf b/unix/mkfile.utf
index bb8e438..23ed764 100644
--- a/unix/mkfile.utf
+++ b/unix/mkfile.utf
@@ -5,12 +5,13 @@
 	README\
 	Makefile\
 	`{ls -p $PLAN9/src/lib9/utf/*.c}\
+	plan9.h\
 	utf.h\
 	utfdef.h\
 	isalpharune.3\
-	utf.7\
 	rune.3\
 	runestrcat.3\
+	utf.7\
 
 all:V: $TARG
 
@@ -41,6 +42,6 @@
 NOTICE: ../NOTICE.utf
 	cp $prereq $target
 
-utf.h: ../utf.h
+utf.h: $PLAN9/include/utf.h
 	cp $prereq $target