--- bash-4.1-orig/bashline.c	2013-03-07 07:02:11.927579000 -0600
+++ bash-4.1/bashline.c	2013-03-07 07:33:00.579681700 -0600
@@ -68,6 +68,12 @@
 #  include "pcomplete.h"
 #endif
 
+#ifdef __x86_64__
+#define IMP(x) __imp_##x
+#else
+#define IMP(x) _imp__##x
+#endif
+
 /* These should agree with the defines for emacs_mode and vi_mode in
    rldefs.h, even though that's not a public readline header file. */
 #ifndef EMACS_EDITING_MODE
@@ -451,12 +457,12 @@ initialize_readline ()
   kseq[0] = CTRL('J');
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  extern rl_command_func_t *_imp__rl_vi_editing_mode;
-  if (func == rl_vi_editing_mode || func == _imp__rl_vi_editing_mode)
+  extern rl_command_func_t *IMP(rl_vi_editing_mode);
+  if (func == rl_vi_editing_mode || func == IMP(rl_vi_editing_mode))
     rl_unbind_key_in_map (CTRL('J'), emacs_meta_keymap);
   kseq[0] = CTRL('M');
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  if (func == rl_vi_editing_mode || func == _imp__rl_vi_editing_mode)
+  if (func == rl_vi_editing_mode || func == IMP(rl_vi_editing_mode))
     rl_unbind_key_in_map (CTRL('M'), emacs_meta_keymap);
 #if defined (VI_MODE)
   rl_unbind_key_in_map (CTRL('E'), vi_movement_keymap);
@@ -475,8 +481,8 @@ initialize_readline ()
   kseq[0] = '~';
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  extern rl_command_func_t *_imp__rl_tilde_expand;
-  if (func == 0 || func == rl_tilde_expand || func == _imp__rl_tilde_expand)
+  extern rl_command_func_t *IMP(rl_tilde_expand);
+  if (func == 0 || func == rl_tilde_expand || func == IMP(rl_tilde_expand))
     rl_bind_keyseq_in_map (kseq, bash_complete_username, emacs_meta_keymap);
 
   rl_bind_key_if_unbound_in_map ('~', bash_possible_username_completions, emacs_ctlx_keymap);
@@ -499,8 +505,8 @@ initialize_readline ()
   kseq[0] = TAB;
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  extern rl_command_func_t *_imp__rl_tab_insert;
-  if (func == 0 || func == rl_tab_insert || func == _imp__rl_tab_insert)
+  extern rl_command_func_t *IMP(rl_tab_insert);
+  if (func == 0 || func == rl_tab_insert || func == IMP(rl_tab_insert))
     rl_bind_key_in_map (TAB, dynamic_complete_history, emacs_meta_keymap);
 
   /* Tell the completer that we want a crack first. */