update.

[elisp/apel.git] / install.el

diff --git a/install.el b/install.el
index e557267..1b9b927 100644 (file)
--- a/install.el
+++ b/install.el
@@ -3,11 +3,11 @@
 ;; Copyright (C) 1996 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Created: 1996/8/18
-;; Version: $Id: install.el,v 1.6 1996/08/30 15:12:25 morioka Exp $
-;; Keywords: install
+;; Created: 1996/08/18
+;; Version: $Id: install.el,v 4.2 1997/11/06 15:52:08 morioka Exp $
+;; Keywords: install, byte-compile, directory detection
 
-;; This file is part of tl (Tiny Library).
+;; This file is part of APEL (A Portable Emacs Library).
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU General Public License as
@@ -20,12 +20,19 @@
 ;; General Public License for more details.
 
 ;; You should have received a copy of the GNU General Public License
-;; along with this program; see the file COPYING.  If not, write to
+;; along with GNU Emacs; see the file COPYING.  If not, write to
 ;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 ;; Boston, MA 02111-1307, USA.
 
 ;;; Code:
 
+(require 'emu)
+(require 'path-util)
+
+
+;;; @ compile Emacs Lisp files
+;;;
+
 (defun compile-elisp-module (module &optional path every-time)
   (setq module (expand-file-name (symbol-name module) path))
   (let ((el-file (concat module ".el"))
@@ -45,6 +52,9 @@
          modules))
 
 
+;;; @ install files
+;;;
+
 (defvar install-overwritten-file-modes (+ (* 64 6)(* 8 4) 4))
 
 (defun install-file (file src dest &optional move overwrite)
@@ -52,7 +62,7 @@
     (if (file-exists-p src-file)
        (let ((full-path (expand-file-name file dest)))
          (if (and (file-exists-p full-path) overwrite)
-             (set-file-modes full-path install-overwritten-file-modes)
+              (delete-file full-path)
            )
          (copy-file src-file full-path t t)
          (if move
@@ -79,6 +89,10 @@
                      ))
          files))
 
+
+;;; @@ install Emacs Lisp files
+;;;
+
 (defun install-elisp-module (module src dest)
   (let (el-file elc-file)
     (let ((name (symbol-name module)))
@@ -89,7 +103,7 @@
       (if (file-exists-p src-file)
          (let ((full-path (expand-file-name el-file dest)))
            (if (file-exists-p full-path)
-               (set-file-modes full-path install-overwritten-file-modes)
+                (delete-file full-path)
              )
            (copy-file src-file full-path t t)
            (princ (format "%s -> %s\n" el-file dest))
@@ -97,6 +111,9 @@
       (setq src-file (expand-file-name elc-file src))
       (if (file-exists-p src-file)
          (let ((full-path (expand-file-name elc-file dest)))
+            (if (file-exists-p full-path)
+                (delete-file full-path)
+              )
            (copy-file src-file full-path t t)
            (catch 'tag
              (while (file-exists-p src-file)
@@ -121,6 +138,65 @@
          modules))
 
 
+;;; @ detect install path
+;;;
+
+(defvar install-prefix
+  (if (or running-emacs-18 running-xemacs)
+      (expand-file-name "../../.." exec-directory)
+    (expand-file-name "../../../.." data-directory)
+    )) ; install to shared directory (maybe "/usr/local")
+
+(defvar install-elisp-prefix
+  (if (>= emacs-major-version 19)
+      "site-lisp"
+    "local.lisp"))
+
+(defun install-detect-elisp-directory (&optional prefix elisp-prefix
+                                                allow-version-specific)
+  (or prefix
+      (setq prefix install-prefix)
+      )
+  (or elisp-prefix
+      (setq elisp-prefix install-elisp-prefix)
+      )
+  (or
+   (catch 'tag
+     (let ((rest default-load-path)
+          dir)
+       (while (setq dir (car rest))
+        (if (string-match
+             `,(concat "^"
+                       (expand-file-name (concat ".*/" elisp-prefix) prefix)
+                       "/?$")
+             dir)
+            (if (or allow-version-specific
+                    (not (string-match (format "%d\\.%d"
+                                               emacs-major-version
+                                               emacs-minor-version) dir))
+                    )
+                (throw 'tag dir)
+              ))
+        (setq rest (cdr rest))
+        )))
+   (expand-file-name (concat
+                     (if running-emacs-19_29-or-later
+                         "share/"
+                       "lib/")
+                     (cond ((boundp 'NEMACS) "nemacs/")
+                           ((boundp 'MULE)   "mule/")
+                           (running-xemacs
+                            (if (featurep 'mule)
+                                "xmule/"
+                              "xemacs/"))
+                           (t "emacs/"))
+                     elisp-prefix) prefix)
+   ))
+
+(defvar install-default-elisp-directory
+  (install-detect-elisp-directory))
+
+
 ;;; @ end
 ;;;