diff --git a/mach/vax4/libcc/Makefile b/mach/vax4/libcc/Makefile
index 39c42611a..94d8c0d67 100644
--- a/mach/vax4/libcc/Makefile
+++ b/mach/vax4/libcc/Makefile
@@ -3,7 +3,6 @@ MACHDEF="MACH=vax4" "SUF=o" "ASAR=ar"
 STDIO="PREF=cc" "SUB=.1s" "SRC=lang/cem/libcc/stdio"
 GEN="PREF=cc" "SUB=.2g" "SRC=lang/cem/libcc/gen"
 MON="PREF=mon" "SRC=lang/cem/libcc/mon"
-LIBDIR=../lib
 
 install:	cpstdio cpgen cpmon
 
@@ -18,15 +17,15 @@ cmp:		cmpstdio cmpgen cmpmon
 
 cmpstdio:
 		make -f $(MAKEFILE) $(STDIO) $(MACHDEF) tail
-		-cmp tail_cc.1s $(LIBDIR)/tail_cc.1s
+		-../../compare tail_cc.1s
 cmpgen:
 		make -f $(MAKEFILE) $(GEN) $(MACHDEF) head
-		-cmp head_cc $(LIBDIR)/head_cc
+		-../../compare head_cc
 		make -f $(MAKEFILE) $(GEN) $(MACHDEF) tail
-		-cmp tail_cc.2g $(LIBDIR)/tail_cc.2g
+		-../../compare tail_cc.2g
 cmpmon:
 		make -f $(MAKEFILE) $(MON) $(MACHDEF) tail
-		-cmp tail_mon $(LIBDIR)/tail_mon
+		-../../compare tail_mon
 
 clean:
 		-rm -f *.old *.[ce$(SUF)] tail* head*
diff --git a/mach/vax4/libem/Makefile b/mach/vax4/libem/Makefile
index f2f984356..920bd5f3b 100644
--- a/mach/vax4/libem/Makefile
+++ b/mach/vax4/libem/Makefile
@@ -1,14 +1,13 @@
 TAILSRC=tail_em.a
-l=../lib
 
 install:	head_em tail_em
-		cp head_em $l/head_em
-		cp tail_em $l/tail_em
+		../../install head_em
+		../../install tail_em
 		-rm -f head_em tail_em
 
 cmp:		head_em tail_em
-		-cmp head_em $l/head_em
-		-cmp tail_em $l/tail_em
+		-../../compare head_em
+		-../../compare tail_em
 
 head_em:        head_em.s system.h
 		vax4 -c -I../../../h head_em.s
diff --git a/mach/vax4/libpc/Makefile b/mach/vax4/libpc/Makefile
index d2767f003..87bf4fbe3 100644
--- a/mach/vax4/libpc/Makefile
+++ b/mach/vax4/libpc/Makefile
@@ -1,15 +1,14 @@
 MAKEFILE=../../proto/libg/Makefile
 MACHDEF="MACH=vax4" "SUF=o" "ASAR=ar"
 PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
-LIBDIR=../lib
 
 install:
 	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) cp
 
 cmp:
 	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) all
-	cmp head_pc $(LIBDIR)/head_pc
-	cmp tail_pc $(LIBDIR)/tail_pc
+	-../../compare head_pc
+	-../../compare tail_pc
 
 clean:
 		-rm -f *.old *.[ce$(SUF)] tail* head*