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+ − 1 ;;; setup-paths.el --- setup various XEmacs paths
+ − 2
+ − 3 ;; Copyright (C) 1985-1986, 1990, 1992-1997 Free Software Foundation, Inc.
+ − 4 ;; Copyright (c) 1993, 1994 Sun Microsystems, Inc.
+ − 5 ;; Copyright (C) 1995 Board of Trustees, University of Illinois
+ − 6
+ − 7 ;; Author: Mike Sperber <sperber@informatik.uni-tuebingen.de>
+ − 8 ;; Maintainer: XEmacs Development Team
+ − 9 ;; Keywords: internal, dumped
+ − 10
+ − 11 ;; This file is part of XEmacs.
+ − 12
+ − 13 ;; XEmacs is free software; you can redistribute it and/or modify it
+ − 14 ;; under the terms of the GNU General Public License as published by
+ − 15 ;; the Free Software Foundation; either version 2, or (at your option)
+ − 16 ;; any later version.
+ − 17
+ − 18 ;; XEmacs is distributed in the hope that it will be useful, but
+ − 19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
+ − 20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ − 21 ;; General Public License for more details.
+ − 22
+ − 23 ;; You should have received a copy of the GNU General Public License
+ − 24 ;; along with XEmacs; see the file COPYING. If not, write to the
+ − 25 ;; Free Software Foundation, 59 Temple Place - Suite 330,
+ − 26 ;; Boston, MA 02111-1307, USA.
+ − 27
+ − 28 ;;; Synched up with: Not in FSF.
+ − 29
+ − 30 ;;; Commentary:
+ − 31
+ − 32 ;; This file is dumped with XEmacs.
+ − 33
776
+ − 34 ;; This file contains functions and variables that describe and construct
+ − 35 ;; the various paths into the XEmacs hierarchy from a global viewpoint.
+ − 36 ;; This file doesn't actually do anything.
428
+ − 37
+ − 38 ;; It requires find-paths.el and packages.el.
+ − 39
+ − 40 ;;; Code:
+ − 41
460
+ − 42 (defvar paths-core-load-path-depth 0
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+ − 43 "Depth of load-path searches in core Lisp paths.")
+ − 44
452
+ − 45 (defvar paths-site-load-path-depth 1
+ − 46 "Depth of load-path searches in site Lisp paths.")
+ − 47
460
+ − 48 (defvar paths-mule-load-path-depth 0
+ − 49 "Depth of load-path searches in Mule Lisp paths.")
+ − 50
428
+ − 51 (defvar paths-default-info-directories
+ − 52 (mapcar (function
+ − 53 (lambda (dirlist)
+ − 54 (paths-construct-path
+ − 55 dirlist (char-to-string directory-sep-char))))
+ − 56 '(("usr" "local" "info")
+ − 57 ("usr" "info")
+ − 58 ("usr" "local" "share" "info")
+ − 59 ("usr" "share" "info")))
+ − 60 "Directories appended to the end of the info path by default.")
+ − 61
+ − 62 (defun paths-find-site-lisp-directory (roots)
+ − 63 "Find the site Lisp directory of the XEmacs hierarchy."
+ − 64 (paths-find-site-directory roots "site-lisp"
+ − 65 nil
+ − 66 configure-site-directory))
+ − 67
+ − 68 (defun paths-find-site-module-directory (roots)
+ − 69 "Find the site modules directory of the XEmacs hierarchy."
+ − 70 (paths-find-site-directory roots "site-modules"
+ − 71 nil
+ − 72 configure-site-module-directory))
+ − 73
+ − 74 (defun paths-find-lisp-directory (roots)
+ − 75 "Find the main Lisp directory of the XEmacs hierarchy."
+ − 76 (paths-find-version-directory roots "lisp"
+ − 77 nil
+ − 78 configure-lisp-directory))
+ − 79
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+ − 80 (defun paths-find-mule-lisp-directory (roots &optional lisp-directory)
+ − 81 "Find the Mule Lisp directory of the XEmacs hierarchy."
+ − 82 ;; #### kludge
+ − 83 (if lisp-directory
+ − 84 (let ((guess
+ − 85 (file-name-as-directory
+ − 86 (paths-construct-path (list lisp-directory "mule")))))
+ − 87 (if (paths-file-readable-directory-p guess)
+ − 88 guess
+ − 89 (paths-find-version-directory roots "mule-lisp"
+ − 90 nil
+ − 91 configure-mule-lisp-directory)))))
+ − 92
428
+ − 93 (defun paths-find-module-directory (roots)
+ − 94 "Find the main modules directory of the XEmacs hierarchy."
+ − 95 (paths-find-architecture-directory roots "modules"
+ − 96 nil configure-module-directory))
+ − 97
+ − 98 (defun paths-construct-load-path
+ − 99 (roots early-package-load-path late-package-load-path last-package-load-path
+ − 100 lisp-directory
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+ − 101 &optional site-lisp-directory mule-lisp-directory)
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+ − 102 "Construct the load path."
+ − 103 (let* ((envvar-value (getenv "EMACSLOADPATH"))
+ − 104 (env-load-path
+ − 105 (and envvar-value
+ − 106 (paths-decode-directory-path envvar-value 'drop-empties)))
+ − 107 (site-lisp-load-path
+ − 108 (and site-lisp-directory
+ − 109 (paths-find-recursive-load-path (list site-lisp-directory)
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+ − 110 paths-site-load-path-depth)))
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+ − 111 (mule-lisp-load-path
+ − 112 (and mule-lisp-directory
+ − 113 (paths-find-recursive-load-path (list mule-lisp-directory)
+ − 114 paths-mule-load-path-depth)))
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+ − 115 (lisp-load-path
+ − 116 (and lisp-directory
+ − 117 (paths-find-recursive-load-path (list lisp-directory)
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+ − 118 paths-core-load-path-depth))))
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+ − 119 (append env-load-path
+ − 120 early-package-load-path
+ − 121 site-lisp-load-path
+ − 122 late-package-load-path
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+ − 123 mule-lisp-load-path
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+ − 124 lisp-load-path
+ − 125 last-package-load-path)))
+ − 126
+ − 127 (defun paths-construct-module-load-path
+ − 128 (root module-directory &optional site-module-directory)
+ − 129 "Construct the modules load path."
+ − 130 (let* ((envvar-value (getenv "EMACSMODULEPATH"))
+ − 131 (env-module-path
+ − 132 (and envvar-value
+ − 133 (paths-decode-directory-path envvar-value 'drop-empties)))
+ − 134 (site-module-load-path
+ − 135 (and site-module-directory
+ − 136 (paths-find-recursive-load-path (list site-module-directory)
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+ − 137 paths-site-load-path-depth)))
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+ − 138 (module-load-path
+ − 139 (and module-directory
+ − 140 (paths-find-recursive-load-path (list module-directory)
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+ − 141 paths-core-load-path-depth))))
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+ − 142 (append env-module-path
+ − 143 site-module-load-path
+ − 144 module-load-path)))
+ − 145
+ − 146 (defun paths-construct-info-path (roots early-packages late-packages last-packages)
+ − 147 "Construct the info path."
+ − 148 (let ((info-path-envval (getenv "INFOPATH")))
+ − 149 (paths-uniq-append
+ − 150 (append
+ − 151 (let ((info-directory
+ − 152 (paths-find-version-directory roots "info"
+ − 153 nil
+ − 154 configure-info-directory)))
+ − 155 (and info-directory
+ − 156 (list info-directory)))
+ − 157 (packages-find-package-info-path early-packages)
+ − 158 (packages-find-package-info-path late-packages)
+ − 159 (packages-find-package-info-path last-packages)
+ − 160 (and info-path-envval
+ − 161 (paths-decode-directory-path info-path-envval 'drop-empties)))
+ − 162 (and (null info-path-envval)
+ − 163 (paths-uniq-append
+ − 164 (paths-directories-which-exist configure-info-path)
+ − 165 (paths-directories-which-exist paths-default-info-directories))))))
+ − 166
+ − 167 (defun paths-find-doc-directory (roots)
+ − 168 "Find the documentation directory."
+ − 169 (paths-find-architecture-directory roots "lib-src" nil configure-doc-directory))
+ − 170
+ − 171 (defun paths-find-exec-directory (roots)
+ − 172 "Find the binary directory."
+ − 173 (paths-find-architecture-directory roots "lib-src"
+ − 174 nil configure-exec-directory))
+ − 175
+ − 176 (defun paths-construct-exec-path (roots exec-directory
+ − 177 early-packages late-packages last-packages)
+ − 178 "Find the binary path."
+ − 179 (append
+ − 180 (let ((path-envval (getenv "PATH")))
+ − 181 (if path-envval
+ − 182 (paths-decode-directory-path path-envval 'drop-empties)))
+ − 183 (packages-find-package-exec-path early-packages)
+ − 184 (packages-find-package-exec-path late-packages)
+ − 185 (let ((emacspath-envval (getenv "EMACSPATH")))
+ − 186 (and emacspath-envval
+ − 187 (split-path emacspath-envval)))
+ − 188 (and exec-directory
+ − 189 (list exec-directory))
+ − 190 (packages-find-package-exec-path last-packages)))
+ − 191
+ − 192 (defun paths-find-data-directory (roots)
+ − 193 "Find the data directory."
+ − 194 (paths-find-version-directory roots "etc" "EMACSDATA" configure-data-directory))
+ − 195
+ − 196 (defun paths-construct-data-directory-list (data-directory
+ − 197 early-packages late-packages last-packages)
+ − 198 "Find the data path."
+ − 199 (append
+ − 200 (packages-find-package-data-path early-packages)
+ − 201 (packages-find-package-data-path late-packages)
+ − 202 (list data-directory)
+ − 203 (packages-find-package-data-path last-packages)))
+ − 204
+ − 205 ;;; setup-paths.el ends here