diff --git a/mach/pdp/libbc/Makefile b/mach/pdp/libbc/Makefile
index 3d6791ca..59ea7dc8 100644
--- a/mach/pdp/libbc/Makefile
+++ b/mach/pdp/libbc/Makefile
@@ -1,10 +1,9 @@
 SUF=o
 MAKEFILE=../../proto/libg/Makefile
-MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=ar"
+MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=aal"
 BCDEF="PREF=bc" "SUB=" "SRC=lang/basic/lib"
 
 install:
-	RANLIB=ranlib ; export RANLIB ;\
 	make -f $(MAKEFILE) $(BCDEF) $(MACHDEF) tailcp
 
 cmp:
diff --git a/mach/pdp/libcc/Makefile b/mach/pdp/libcc/Makefile
index 37540670..4fea447a 100644
--- a/mach/pdp/libcc/Makefile
+++ b/mach/pdp/libcc/Makefile
@@ -1,6 +1,6 @@
 SUF=o
 MAKEFILE=../../proto/libg/Makefile
-MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=ar"
+MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=aal"
 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"
diff --git a/mach/pdp/libm2/Makefile b/mach/pdp/libm2/Makefile
index f4d4a666..34dbece8 100644
--- a/mach/pdp/libm2/Makefile
+++ b/mach/pdp/libm2/Makefile
@@ -1,7 +1,7 @@
 SUF=o
 EMHOME=../../..
 MAKEFILE=$(EMHOME)/mach/proto/libg/Makefile
-MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=ar"
+MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=aal"
 M2LIB = lang/m2/libm2
 MOD="PREF=m2" "SUB=" "SRC=$(M2LIB)"
 
diff --git a/mach/pdp/liboc/Makefile b/mach/pdp/liboc/Makefile
index 3447c000..7d91a8af 100644
--- a/mach/pdp/liboc/Makefile
+++ b/mach/pdp/liboc/Makefile
@@ -1,10 +1,9 @@
 SUF=o
 MAKEFILE=../../proto/libg/Makefile
-MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=ar"
+MACHDEF="MACH=pdp" "SUF=$(SUF)" "ASAR=aal"
 PCDEF="PREF=ocm" "SUB=" "SRC=lang/occam/lib"
 
 install:
-	RANLIB=ranlib ; export RANLIB ;\
 	make -f $(MAKEFILE) $(PCDEF) $(MACHDEF) tailcp
 
 cmp:
diff --git a/mach/pdp/libpc/Makefile b/mach/pdp/libpc/Makefile
index b29dee4e..0e5132e1 100644
--- a/mach/pdp/libpc/Makefile
+++ b/mach/pdp/libpc/Makefile
@@ -1,6 +1,6 @@
 SUF=o
 MAKEFILE=../../proto/libg/Makefile
-MACHDEF="MACH=pdp -Rbe-p2" "SUF=$(SUF)" "ASAR=ar"
+MACHDEF="MACH=pdp -Rbe-p2" "SUF=$(SUF)" "ASAR=aal"
 PCDEF="PREF=pc" "SUB=" "SRC=lang/pc/libpc"
 
 install: