+
+(unless (fboundp 'si:byte-optimize-form-code-walker)
+ (byte-optimize-form nil);; Load `byte-opt' or `byte-optimize'.
+ (setq max-specpdl-size 3000)
+ (fset 'si:byte-optimize-form-code-walker
+ (symbol-function 'byte-optimize-form-code-walker))
+ (defun byte-optimize-form-code-walker (form for-effect)
+ (if (and for-effect (memq (car-safe form) '(and or)))
+ ;; Fix bug in and/or forms.
+ (let ((fn (car form))
+ (backwards (reverse (cdr form))))
+ (while (and backwards
+ (null (setcar backwards
+ (byte-optimize-form (car backwards) t))))
+ (setq backwards (cdr backwards)))
+ (if (and (cdr form) (null backwards))
+ (byte-compile-log
+ " all subforms of %s called for effect; deleted" form))
+ (if backwards
+ (let ((head backwards))
+ (while (setq backwards (cdr backwards))
+ (setcar backwards (byte-optimize-form (car backwards)
+ nil)))
+ (cons fn (nreverse head)))))
+ (si:byte-optimize-form-code-walker form for-effect)))
+ (byte-compile 'byte-optimize-form-code-walker))
+
+(load (expand-file-name "gnus-clfns.el" srcdir) nil t t)
+
+(condition-case err
+ (load "~/.lpath.el" t nil t)
+ (error (message "Error in \"~/.lpath.el\" file: %s" err)))
+
+(condition-case nil
+ (char-after)
+ (wrong-number-of-arguments
+ ;; Optimize byte code for `char-after'.
+ (put 'char-after 'byte-optimizer 'byte-optimize-char-after)
+ (defun byte-optimize-char-after (form)
+ (if (null (cdr form))
+ '(char-after (point))
+ form))
+ ))
+
+(condition-case nil
+ (char-before)
+ (wrong-number-of-arguments
+ ;; Optimize byte code for `char-before'.
+ (put 'char-before 'byte-optimizer 'byte-optimize-char-before)
+ (defun byte-optimize-char-before (form)
+ (if (null (cdr form))
+ '(char-before (point))
+ form))
+ ))
+
+;; `char-after' and `char-before' must be well-behaved before lpath.el
+;; is loaded. Because it requires `poe' via `path-util'.
+(load (expand-file-name "lpath.el" srcdir) nil t t)
+
+(unless (fboundp 'byte-compile-file-form-custom-declare-variable)
+ ;; Bind defcustom'ed variables.
+ (put 'custom-declare-variable 'byte-hunk-handler
+ 'byte-compile-file-form-custom-declare-variable)
+ (defun byte-compile-file-form-custom-declare-variable (form)
+ (if (memq 'free-vars byte-compile-warnings)
+ (setq byte-compile-bound-variables
+ (cons (nth 1 (nth 1 form)) byte-compile-bound-variables)))
+ form))
+
+;; Bind functions defined by `defun-maybe'.
+(put 'defun-maybe 'byte-hunk-handler 'byte-compile-file-form-defun-maybe)
+(defun byte-compile-file-form-defun-maybe (form)
+ (if (and (not (fboundp (nth 1 form)))
+ (memq 'unresolved byte-compile-warnings))
+ (setq byte-compile-function-environment
+ (cons (cons (nth 1 form)
+ (cons 'lambda (cdr (cdr form))))
+ byte-compile-function-environment)))
+ form)
+
+(condition-case nil
+ :symbol-for-testing-whether-colon-keyword-is-available-or-not
+ (void-variable
+ ;; Bind keywords.
+ (mapcar (lambda (keyword) (set keyword keyword))
+ '(:button-keymap :data :file :mime-handle))))
+
+;; Unknown variables and functions.
+(unless (boundp 'buffer-file-coding-system)
+ (defvar buffer-file-coding-system (symbol-value 'file-coding-system)))
+(unless (featurep 'xemacs)
+ (defalias 'Custom-make-dependencies 'ignore)
+ (defalias 'update-autoloads-from-directory 'ignore))
+(autoload 'texinfo-parse-line-arg "texinfmt")
+
+(unless (fboundp 'with-temp-buffer)
+ ;; Pickup some macros.
+ (require 'emu))