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 07:35:19.198786096 -0500
@@ -6644,6 +6644,44 @@
 					# 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.
+					myf=open(myrealdest,"r+")
+					lms=str(thismtime+5).ljust(12)
+					myf.seek(0)
+					magic=myf.read(8)
+					if magic != "!<arch>\n":
+						print "%s: lacks magic header, skipping" % myrealdest
+						myf.close()
+					else:
+						print "updating toc of %s" % myrealdest
+						st=os.stat(myrealdest)
+						print "initial size is",st.st_size
+						while myf.tell() < st.st_size - 12:
+							print "processing",myf.tell()
+							# skip object name
+							myf.seek(16,1)
+							
+							# update mtime
+							myf.write(lms)
+						
+							# skip uid/gid/mperm
+							myf.seek(20,1)
+								
+							# read the archive member's size
+							x=long(myf.read(10))
+							
+							# skip the trailing newlines, and the potential extra byte if it's
+							# not an even size
+							myf.seek(x + 2 + (x % 2),1)
+							
+						print "final position=",myf.tell()
+						# and now we're at the end. yay.
+						myf.close()
+						mymd5=portage_md5.perform_md5(myrealdest)
+					os.utime(myrealdest,(thismtime,thismtime))
+
 				if mymtime!=None:
 					zing=">>>"
 					outfile.write("obj "+myrealdest+" "+mymd5+" "+str(mymtime)+"\n")