diff -urN portage-2.0.51_pre20-orig/pym/portage.py portage-2.0.51_pre20/pym/portage.py
--- portage-2.0.51_pre20-orig/pym/portage.py	2004-08-16 20:15:02.000000000 -0500
+++ portage-2.0.51_pre20/pym/portage.py	2004-08-22 03:33:46.032082336 -0500
@@ -6644,6 +6644,17 @@
 					# old package won't yank the file with it. (non-cfgprot related)
 					os.utime(myrealdest,(thismtime,thismtime))
 					zing="---"
+				#alright, we've fooled w/ mytime.  need to update ar toc mtime's.
+				if self.settings["ARCH"] == "macos" and myrealdest[-2:] == ".a":
+					# insert the new mtime into the ar toc.
+					print "updating toc of %s" % myrealdest
+					myf=open(myrealdest,"a")
+					myf.seek(24,0)
+					myf.write(str(thismtime))
+					myf.close()
+					os.utime(myrealdest,(thismtime,thismtime))
+					mymd5=portage_md5.perform_md5(myrealdest)
+
 				if mymtime!=None:
 					zing=">>>"
 					outfile.write("obj "+myrealdest+" "+mymd5+" "+str(mymtime)+"\n")