gistfile1.diff

Index: lib/Module/Install.pm      
===================================================================
--- lib/Module/Install.pm       (revision 9914)                    
+++ lib/Module/Install.pm       (working copy)                     
@@ -116,9 +116,14 @@                                               
 $^H |= strict::bits(qw(refs subs vars));                          
                                                                   
                                                                   
+# add a warning to the end of @INC, so that if a module load failure
+# happens in a Makefile.PL, add a helpful warning                   
+push @INC, sub {                                                    
+    warn "Module::Install: $_[1] is required to configure this module:\n";
+    return;                                                               
+};                                                                        
                                                                           
                                                                           
-                                                                          
 use Cwd        ();                                                        
 use File::Find ();                                                        
 use File::Path ();