--- automake1.9-1.9.6/lib/Automake/FileUtils.pm.orig	2005-05-14 13:21:06.000000000 -0700
+++ automake1.9-1.9.6/lib/Automake/FileUtils.pm	2006-03-29 20:46:43.000000000 -0800
@@ -339,6 +339,16 @@
   my ($dirname, $file_name) = @_;
   return 0 unless -f "$dirname/$file_name";
 
+  # It's possible that the file name won't be a simple file name and
+  # instead will include a directory component.  In that case, we have
+  # to figure out what the real directory is.
+  if ($file_name =~ m%/%)
+    {
+      my $partial_dir;
+      ($partial_dir, $file_name) = ($file_name =~ m%^(.*)/([^/]*)%);
+      $dirname = "$dirname/$partial_dir";
+    }
+
   # The file appears to exist, however it might be a mirage if the
   # system is case insensitive.  Let's browse the directory and check
   # whether the file is really in.  We maintain a cache of directories