Silence many eshell compilation warnings

* lisp/eshell/em-tramp.el: Adjust requires.
(eshell-parse-command): Autoload.

* lisp/eshell/em-xtra.el: Adjust requires.
(eshell-parse-command): Autoload.

* lisp/eshell/esh-ext.el: Adjust requires.
(eshell-parse-command, eshell-close-handles): Autoload.

* lisp/eshell/esh-io.el: Adjust requires.
(eshell-output-filter): Autoload.

* lisp/eshell/esh-util.el: No need to load tramp when compiling.
(tramp-file-name-structure, ange-ftp-ls, ange-ftp-file-modtime): Declare.
(eshell-parse-ange-ls): Require ange-ftp and tramp.

* lisp/eshell/em-alias.el, lisp/eshell/em-banner.el, lisp/eshell/em-basic.el:
* lisp/eshell/em-cmpl.el, lisp/eshell/em-glob.el, lisp/eshell/em-pred.el:
* lisp/eshell/em-prompt.el, lisp/eshell/em-rebind.el, lisp/eshell/em-smart.el:
* lisp/eshell/em-term.el, lisp/eshell/esh-arg.el, lisp/eshell/esh-mode.el:
* lisp/eshell/esh-opt.el, lisp/eshell/esh-proc.el:
* lisp/eshell/esh-var.el: Adjust requires.

* lisp/eshell/eshell.el: Do not require esh-util twice.
(eshell-add-input-to-history): Declare.
(eshell-command): Check history module is active before using it.

1 files changed, 8 insertions, 2 deletions

diff --git a/lisp/eshell/esh-util.el b/lisp/eshell/esh-util.el
index f9b86219e9b..dd344eb50a2 100644
--- a/lisp/eshell/esh-util.el
+++ b/lisp/eshell/esh-util.el
@@ -605,10 +605,16 @@ If NOSORT is non-nil, the list is not sorted--its order is unpredictable.
     (autoload 'parse-time-string "parse-time"))
 
 (eval-when-compile
-  (require 'ange-ftp nil t)
-  (require 'tramp nil t))
+  (require 'ange-ftp nil t))		; ange-ftp-parse-filename
+
+(defvar tramp-file-name-structure)
+(declare-function ange-ftp-ls "ange-ftp"
+		  (file lsargs parse &optional no-error wildcard))
+(declare-function ange-ftp-file-modtime "ange-ftp" (file))
 
 (defun eshell-parse-ange-ls (dir)
+  (require 'ange-ftp)
+  (require 'tramp)
   (let ((ange-ftp-name-format
 	 (list (nth 0 tramp-file-name-structure)
 	       (nth 3 tramp-file-name-structure)