Index: kerberos5/lib/libasn1/Makefile
===================================================================
--- kerberos5/lib/libasn1/Makefile	(revision 260027)
+++ kerberos5/lib/libasn1/Makefile	(working copy)
@@ -103,10 +103,10 @@
 .SUFFIXES: .h .c .x .hx
 
 .x.c:
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .hx.h:
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 	
 .include <bsd.lib.mk>
 
Index: kerberos5/lib/libgssapi_spnego/Makefile
===================================================================
--- kerberos5/lib/libgssapi_spnego/Makefile	(revision 260027)
+++ kerberos5/lib/libgssapi_spnego/Makefile	(working copy)
@@ -45,10 +45,10 @@
 .SUFFIXES: .h .c .x .hx
 
 .x.c:   
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .hx.h:
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .include <bsd.lib.mk>
 
Index: kerberos5/lib/libhdb/Makefile
===================================================================
--- kerberos5/lib/libhdb/Makefile	(revision 260027)
+++ kerberos5/lib/libhdb/Makefile	(working copy)
@@ -90,10 +90,10 @@
 .SUFFIXES: .h .c .x .hx
 
 .x.c:   
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .hx.h:
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .include <bsd.lib.mk>
 
Index: kerberos5/lib/libhx509/Makefile
===================================================================
--- kerberos5/lib/libhx509/Makefile	(revision 260027)
+++ kerberos5/lib/libhx509/Makefile	(working copy)
@@ -283,10 +283,10 @@
 .SUFFIXES: .h .c .x .hx
 
 .x.c:   
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .hx.h:
-	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cp ${.IMPSRC} ${.TARGET}
+	cmp -s ${.IMPSRC} ${.TARGET} 2> /dev/null || cat ${.IMPSRC} > ${.TARGET}
 
 .include <bsd.lib.mk>