diff --git a/lib/libc/gen/Makefile b/lib/libc/gen/Makefile
index a379c1a..1b12099 100644
--- a/lib/libc/gen/Makefile
+++ b/lib/libc/gen/Makefile
@@ -1,7 +1,7 @@
 #
 # Makefile for libc/gen.
 #
-# $Id: Makefile,v 1.5 1997/09/21 06:06:01 gdr Exp $
+# $Id: Makefile,v 1.6 1997/10/03 04:44:14 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -17,7 +17,7 @@ OBJS	= $(OBJ_ASM) $(OBJ_C)
 
 CFLAGS	+= -O78
 
-build:		../libc
+build .PHONY:	../libc
 obj:		$(OBJS)
 asm:		$(OBJ_ASM)
 c:		$(OBJ_C)
diff --git a/lib/libc/gno/Makefile b/lib/libc/gno/Makefile
index a2162a6..adecf57 100644
--- a/lib/libc/gno/Makefile
+++ b/lib/libc/gno/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1996
 #
-# $Id: Makefile,v 1.3 1997/09/21 06:08:48 gdr Exp $
+# $Id: Makefile,v 1.4 1997/10/03 04:44:22 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -18,7 +18,7 @@ CFLAGS	+= -O78
 MACROS_ORCA	= $(ORCA_DIST)/OrcaInclude
 MACRO_FILES	= $(MACROS_ORCA)/m16.tools $(MACROS_ORCA)/m16.orca
 
-build:	../libc
+build .PHONY:	../libc
 
 obj:	$(OBJS)
 
diff --git a/lib/libc/locale/Makefile b/lib/libc/locale/Makefile
index b74874c..8db7d70 100644
--- a/lib/libc/locale/Makefile
+++ b/lib/libc/locale/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1997
 #
-# $Id: Makefile,v 1.3 1997/09/21 06:10:26 gdr Exp $
+# $Id: Makefile,v 1.4 1997/10/03 04:44:24 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -12,7 +12,7 @@
 OBJS	= table.o
 CFLAGS	+= -O78
 
-build:	../libc
+build .PHONY:	../libc
 obj:	$(OBJS)
 
 .INCLUDE:	../rules.mk
diff --git a/lib/libc/stdio/Makefile b/lib/libc/stdio/Makefile
index 35e0c48..1c320da 100644
--- a/lib/libc/stdio/Makefile
+++ b/lib/libc/stdio/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1997
 #
-# $Id: Makefile,v 1.5 1997/09/21 06:19:50 gdr Exp $
+# $Id: Makefile,v 1.6 1997/10/03 04:44:25 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -21,7 +21,7 @@ OBJS	= clrerr.o fclose.o fdopen.o feof.o ferror.o fflush.o fgetc.o \
 
 CFLAGS	+= -O78
 
-build:	../libc
+build .PHONY:	../libc
 obj:	$(OBJS)
 
 #
diff --git a/lib/libc/stdlib/Makefile b/lib/libc/stdlib/Makefile
index 2e0e1db..534a882 100644
--- a/lib/libc/stdlib/Makefile
+++ b/lib/libc/stdlib/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1997
 #
-# $Id: Makefile,v 1.3 1997/09/21 06:21:35 gdr Exp $
+# $Id: Makefile,v 1.4 1997/10/03 04:44:25 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -13,7 +13,7 @@ OBJS	= cvt.o environ.o fpspecnum.o getopt.o getsubopt.o
 
 CFLAGS	+= -O78
 
-build:	../libc
+build .PHONY:	../libc
 
 obj:	$(OBJS)
 
diff --git a/lib/libc/stdtime/Makefile b/lib/libc/stdtime/Makefile
index ce153fd..4a55f7c 100644
--- a/lib/libc/stdtime/Makefile
+++ b/lib/libc/stdtime/Makefile
@@ -1,7 +1,7 @@
 #
 # Makefile for libc/stdtime.
 #
-# $Id: Makefile,v 1.1 1997/09/21 06:22:10 gdr Exp $
+# $Id: Makefile,v 1.2 1997/10/03 04:44:25 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -14,7 +14,7 @@ CFLAGS	+= -v
 default:
 	@echo do not use this directory yet
 
-build:	../libc
+build .PHONY:	../libc
 obj:	$(OBJS)
 
 .INCLUDE:	../rules.mk
diff --git a/lib/libc/string/Makefile b/lib/libc/string/Makefile
index f3216a7..7eb4a27 100644
--- a/lib/libc/string/Makefile
+++ b/lib/libc/string/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1997
 #
-# $Id: Makefile,v 1.3 1997/09/21 06:23:07 gdr Exp $
+# $Id: Makefile,v 1.4 1997/10/03 04:44:26 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -12,7 +12,7 @@
 OBJS	= case.o str.o strerror.o
 CFLAGS	+= -O78
 
-build:	../libc
+build .PHONY:	../libc
 obj:	$(OBJS)
 
 .INCLUDE:	../rules.mk
diff --git a/lib/libc/sys/Makefile b/lib/libc/sys/Makefile
index 98c29e2..fc91853 100644
--- a/lib/libc/sys/Makefile
+++ b/lib/libc/sys/Makefile
@@ -3,7 +3,7 @@
 #
 # Devin Reade, 1997.
 #
-# $Id: Makefile,v 1.3 1997/09/21 16:15:29 gdr Exp $
+# $Id: Makefile,v 1.4 1997/10/03 04:44:26 gdr Exp $
 #
 
 .INCLUDE:	../../../paths.mk
@@ -12,7 +12,7 @@
 OBJS	= exec.o syscall.o trap.o
 CFLAGS	+= -O78
 
-build:	../libc
+build .PHONY:	../libc
 obj:	$(OBJS)
 
 .INCLUDE:	../rules.mk