--- zip-2.31/unix/Makefile.time	2007-02-07 09:36:30.000000000 +0100
+++ zip-2.31/unix/Makefile	2007-02-07 09:38:42.000000000 +0100
@@ -24,7 +24,7 @@
 E =
 
 # probably can change this to 'install' if you have it
-INSTALL_PROGRAM = cp
+INSTALL_PROGRAM = cp -p
 # probably can change this to 'install -d' if you have it
 # XXX NextStep 3.3 and Openstep 4.x don't know about -p !
 INSTALL_D = mkdir -p