Revert "Upgrade to 2.1.8-stable (2017-01-22)." and "Probably Mac build fix?"

This reverts commits 2a572d125a91a4aafd3ad8ce87259fc640fa0763 and
af241a5c8c2cde0fab7d7d563276c1095b00e3b4, which break tombstoned.

Bug: http://b/64543673
Test: manual + treehugger
diff --git a/compile b/compile
index a85b723..7b4a9a7 100755
--- a/compile
+++ b/compile
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
 
-scriptversion=2012-10-14.11; # UTC
+scriptversion=2012-03-05.13; # UTC
 
-# Copyright (C) 1999-2014 Free Software Foundation, Inc.
+# Copyright (C) 1999-2012 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
@@ -112,11 +112,6 @@
       lib=$dir/$lib.lib
       break
     fi
-    if test -f "$dir/lib$lib.a"; then
-      found=yes
-      lib=$dir/lib$lib.a
-      break
-    fi
   done
   IFS=$save_IFS