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265
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1 ;;; setup-paths.el --- setup various XEmacs paths
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2
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3 ;; Copyright (C) 1985-1986, 1990, 1992-1997 Free Software Foundation, Inc.
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4 ;; Copyright (c) 1993, 1994 Sun Microsystems, Inc.
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5 ;; Copyright (C) 1995 Board of Trustees, University of Illinois
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6
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7 ;; Author: Mike Sperber <sperber@informatik.uni-tuebingen.de>
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8 ;; Maintainer: XEmacs Development Team
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9 ;; Keywords: internal, dumped
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10
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11 ;; This file is part of XEmacs.
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12
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13 ;; XEmacs is free software; you can redistribute it and/or modify it
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14 ;; under the terms of the GNU General Public License as published by
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15 ;; the Free Software Foundation; either version 2, or (at your option)
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16 ;; any later version.
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17
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18 ;; XEmacs is distributed in the hope that it will be useful, but
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19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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21 ;; General Public License for more details.
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22
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23 ;; You should have received a copy of the GNU General Public License
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24 ;; along with XEmacs; see the file COPYING. If not, write to the
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25 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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26 ;; Boston, MA 02111-1307, USA.
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27
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28 ;;; Synched up with: Not in FSF.
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29
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30 ;;; Commentary:
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31
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32 ;; This file is dumped with XEmacs.
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33
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267
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34 ;; This file describes and constructs the various paths into the
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35 ;; XEmacs hierarchy from a global viewpoint.
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265
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36
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267
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37 ;; It requires find-paths.el and packages.el.
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38
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39 ;;; Code:
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265
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40
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276
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41 (defvar paths-load-path-depth 1
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42 "Depth of load-path searches in core Lisp paths.")
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43
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44 (defvar paths-default-info-directories
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284
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45 (list (paths-construct-path '("usr" "local" "info")
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46 (char-to-string directory-sep-char))
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47 (paths-construct-path '("usr" "info")
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48 (char-to-string directory-sep-char)))
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276
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49 "Directories appended to the end of the info path by default.")
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50
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267
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51 (defun paths-find-site-lisp-directory (roots)
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52 "Find the site Lisp directory of the XEmacs hierarchy."
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53 (paths-find-site-directory roots "site-lisp"
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54 nil
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55 configure-site-directory))
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265
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56
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267
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57 (defun paths-find-lisp-directory (roots)
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58 "Find the main Lisp directory of the XEmacs hierarchy."
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59 (paths-find-version-directory roots "lisp"
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60 nil
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61 configure-lisp-directory))
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265
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62
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267
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63 (defun paths-construct-load-path
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272
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64 (roots early-package-load-path late-package-load-path last-package-load-path
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276
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65 lisp-directory
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66 &optional site-lisp-directory)
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265
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67 "Construct the load path."
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269
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68 (let* ((envvar-value (getenv "EMACSLOADPATH"))
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276
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69 (env-load-path
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70 (and envvar-value
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71 (paths-decode-directory-path envvar-value 'drop-empties)))
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269
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72 (site-lisp-load-path
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73 (and site-lisp-directory
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276
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74 (paths-find-recursive-load-path (list site-lisp-directory)
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75 paths-load-path-depth)))
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269
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76 (lisp-load-path
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278
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77 (and lisp-directory
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78 (paths-find-recursive-load-path (list lisp-directory)
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79 paths-load-path-depth))))
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269
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80 (append env-load-path
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81 early-package-load-path
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82 site-lisp-load-path
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83 late-package-load-path
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272
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84 lisp-load-path
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85 last-package-load-path)))
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265
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86
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272
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87 (defun paths-construct-info-path (roots early-packages late-packages last-packages)
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265
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88 "Construct the info path."
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274
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89 (let ((info-path-envval (getenv "INFOPATH")))
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90 (paths-uniq-append
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91 (append
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92 (let ((info-directory
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93 (paths-find-version-directory roots "info"
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94 nil
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95 configure-info-directory)))
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96 (and info-directory
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97 (list info-directory)))
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98 (packages-find-package-info-path early-packages)
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99 (packages-find-package-info-path late-packages)
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100 (packages-find-package-info-path last-packages)
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101 (and info-path-envval
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276
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102 (paths-decode-directory-path info-path-envval 'drop-empties)))
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278
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103 (and (null info-path-envval)
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274
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104 (paths-uniq-append
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105 (paths-directories-which-exist configure-info-path)
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276
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106 (paths-directories-which-exist paths-default-info-directories))))))
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265
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107
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108 (defun paths-find-doc-directory (roots)
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109 "Find the documentation directory."
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110 (paths-find-architecture-directory roots "lib-src"))
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111
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112 (defun paths-find-lock-directory (roots)
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113 "Find the lock directory."
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274
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114 (paths-find-site-directory roots "lock" "EMACSLOCKDIR" configure-lock-directory))
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265
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115
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116 (defun paths-find-superlock-file (lock-directory)
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117 "Find the superlock file."
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118 (cond
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119 ((null lock-directory)
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120 nil)
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121 ((and configure-superlock-file
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122 (file-directory-p (file-name-directory configure-superlock-file)))
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123 configure-superlock-file)
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124 (t
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125 (expand-file-name "!!!SuperLock!!!" lock-directory))))
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126
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127 (defun paths-find-exec-directory (roots)
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128 "Find the binary directory."
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276
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129 (paths-find-architecture-directory roots "lib-src" configure-exec-directory))
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265
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130
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272
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131 (defun paths-construct-exec-path (roots exec-directory
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132 early-packages late-packages last-packages)
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265
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133 "Find the binary path."
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134 (append
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135 (let ((path-envval (getenv "PATH")))
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267
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136 (if path-envval
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276
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137 (paths-decode-directory-path path-envval 'drop-empties)))
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267
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138 (packages-find-package-exec-path early-packages)
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139 (packages-find-package-exec-path late-packages)
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265
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140 (let ((emacspath-envval (getenv "EMACSPATH")))
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276
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141 (and emacspath-envval
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284
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142 (split-path emacspath-envval)))
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265
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143 (and exec-directory
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308
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144 (list exec-directory))
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145 (packages-find-package-exec-path last-packages)))
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265
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146
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147 (defun paths-find-data-directory (roots)
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148 "Find the data directory."
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149 (paths-find-version-directory roots "etc" "EMACSDATA" configure-data-directory))
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150
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272
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151 (defun paths-construct-data-directory-list (data-directory
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152 early-packages late-packages last-packages)
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265
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153 "Find the data path."
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154 (append
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267
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155 (packages-find-package-data-path early-packages)
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156 (packages-find-package-data-path late-packages)
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308
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157 (list data-directory)
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158 (packages-find-package-data-path last-packages)))
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265
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159
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160 ;;; setup-paths.el ends here
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