diff --git a/lib/libc/sys/Makefile.inc b/lib/libc/sys/Makefile.inc
index 1af9159ffc76..7e1a0f3f437a 100644
--- a/lib/libc/sys/Makefile.inc
+++ b/lib/libc/sys/Makefile.inc
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.134 2003/01/27 20:55:56 nathanw Exp $
+#	$NetBSD: Makefile.inc,v 1.135 2003/01/28 00:33:23 thorpej Exp $
 #	@(#)Makefile.inc	8.3 (Berkeley) 10/24/94
 
 # sys sources
@@ -91,19 +91,19 @@ PSEUDONOERR=	_exit.S
 SRCS+=		${ASM} ${WEAKASM} ${NOERR} ${PSEUDONOERR}
 CLEANFILES+=	${ASM} ${WEAKASM} ${NOERR} ${PSEUDONOERR}
 
-${ASM}: ${ARCHDIR}/SYS.h ${DESTDIR}/usr/include/sys/syscall.h
+ASMDEPS=	${.CURDIR}/sys/Makefile.inc ${ARCHDIR}/SYS.h \
+		${DESTDIR}/usr/include/sys/syscall.h
+
+${ASM}: ${ASMDEPS}
 	printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' >${.TARGET}
 
-${WEAKASM}: ${ARCHDIR}/SYS.h ${DESTDIR}/usr/include/sys/syscall.h
+${WEAKASM}: ${ASMDEPS}
 	printf '#include "SYS.h"\nWSYSCALL(${.PREFIX},_sys_${.PREFIX})\nWEAK_ALIAS(_${.PREFIX},_sys_${.PREFIX})\n' >${.TARGET}
 
-
-
-
-${NOERR}: ${ARCHDIR}/SYS.h ${DESTDIR}/usr/include/sys/syscall.h
+${NOERR}: ${ASMDEPS}
 	printf '#include "SYS.h"\nRSYSCALL_NOERROR(${.PREFIX})\n' >${.TARGET}
 
-${PSEUDONOERR}: ${ARCHDIR}/SYS.h ${DESTDIR}/usr/include/sys/syscall.h
+${PSEUDONOERR}: ${ASMDEPS}
 	printf '#include "SYS.h"\nPSEUDO_NOERROR(${.PREFIX},${.PREFIX:S/_//})\n' >${.TARGET}
 
 LintSysNormal.c: ${.CURDIR}/sys/makelintstub \
diff --git a/lib/libposix/sys/Makefile.inc b/lib/libposix/sys/Makefile.inc
index e457fe544174..fbaf4e298265 100644
--- a/lib/libposix/sys/Makefile.inc
+++ b/lib/libposix/sys/Makefile.inc
@@ -1,4 +1,4 @@
-#	$NetBSD: Makefile.inc,v 1.15 2002/09/14 21:16:43 thorpej Exp $
+#	$NetBSD: Makefile.inc,v 1.16 2003/01/28 00:35:36 thorpej Exp $
 
 # sys sources
 .PATH: ${.CURDIR}/sys
@@ -9,7 +9,10 @@ PSEUDO=		chown.S fchown.S lchown.S rename.S
 SRCS+=		${PSEUDO}
 CLEANFILES+=	${PSEUDO}
 
-${PSEUDO}: ${ARCHDIR}/SYS.h ${DESTDIR}/usr/include/sys/syscall.h
+ASMDEPS=	${.CURDIR}/sys/Makefile.inc ${ARCHDIR}/SYS.h \
+		${DESTDIR}/usr/include/sys/syscall.h
+
+${PSEUDO}: ${ASMDEPS}
 	@printf '#include "SYS.h"\nPSEUDO(${.PREFIX},${.PREFIX:S/^/__posix_/})\n' \
 		>${.TARGET}