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1 -*- Outline -*-
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2 This file is in Outline mode. It is best viewed under XEmacs.
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3
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4 Press C-c C-o (Ctrl+c Ctrl+o) now to see a list of headings.
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5 To expand a heading: Put the cursor on the heading and press C-c C-s
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6 To collapse a heading: Press C-c C-d
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7
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8 For general XEmacs navigation tips: Press C-h t
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9
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10 The XEmacs Packages Quick Start Guide
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11 -------------------------------------
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12
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13 This text is intended to help you get started installing a new XEmacs and
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14 its packages. For more details see the 'Startup Paths' and 'Packages'
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15 sections of the XEmacs info manual.
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16
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17 * Real Real Quickstart FAQ
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18 --------------------------
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19
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20 Q. Do I need to have the packages to compile XEmacs?
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21
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22 A. Theoretically, no -- XEmacs will build and install just fine without any
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23 packages installed. However, only the most basic editing functions will
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24 be available with no packages installed, so installing packages is an
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25 essential part of making your installed XEmacs _useful_.
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26
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27 Q. I really liked the old way that packages were bundled and do not
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28 want to mess with packages at all.
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29
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30 A. You can grab all the packages at once like you used to with old
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31 XEmacs versions, skip to the 'Sumo Tarball' section below.
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32
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33 Q. How do I tell XEmacs where to find the packages?
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34
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35 A. Normally, you put the packages under $prefix/lib/packages, where
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36 $prefix is specified using the `--prefix' parameter to `configure'.
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37 (See `Package hierarchies' below). However, if you have the packages
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38 somewhere else (e.g. you're a developer and are compiling the packages
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39 yourself, and want your own private copy of everything), use the
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40 `--package-path' parameter, something like this:
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41
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42 configure --package-path="~/.xemacs::/src/xemacs/site-packages:/src/xemacs/xemacs-packages:/src/xemacs/mule-packages" ...
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43
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444
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44 Q. After installing, I want XEmacs to do `foo', but when I invoke it
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45 (or click the toolbar button or select the menu item), nothing (or
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46 an error) happens, and it used to work.
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47
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48 A. See the first FAQ; you may be missing a package that is essential to
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49 you. You can either track it down and install it, or install the
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50 `Sumo Tarball' (see the second FAQ).
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51
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52 * A note of caution
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53 -------------------
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54
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55 The XEmacs package system is still in its infancy. Please expect a few
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56 minor hurdles on the way. Also neither the interface nor the structure is
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57 set in stone. The XEmacs maintainers reserve the right to sacrifice
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58 backwards compatibility as quirks are worked out over the coming
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59 releases.
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60
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61 * Some package theory
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62 ---------------------
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63
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64 In order to reduce the size and increase the maintainability of XEmacs,
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65 the majority of the Elisp packages that came with previous releases
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66 have been unbundled. They have been replaced by the package system.
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67 Each elisp add-on (or groups of them when they are small) now comes
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68 in its own tarball that contains a small search hierarchy.
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69
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70 You select just the ones you need. Install them by untarring them into
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71 the right place. On startup XEmacs will find them, set up the load
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72 path correctly, install autoloads, etc, etc.
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73
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74 * Package hierarchies
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75 ---------------------
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76
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77 On Startup XEmacs looks for packages in so-called package hierarchies.
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78 Normally, there are three system wide hierarchies, like this:
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79
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80 $prefix/lib/xemacs/xemacs-packages/
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81 Normal packages go here.
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82
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83 $prefix/lib/xemacs/mule-packages/
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84 Mule packages go here and are only searched by MULE-enabled XEmacsen.
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85
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86 $prefix/lib/xemacs/site-packages/
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87 Local and 3rd party packages go here.
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88
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89 This is what you get when you untar the SUMO tarballs under
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90 $prefix/lib/xemacs.
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91
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92 $prefix is specified using the `--prefix' parameter to `configure', and
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93 defaults to `usr/local'.
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94
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95 If your packages are located in the above directories, XEmacs will
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96 automatically find them at startup; however, if you have your packages
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97 somewhere else (e.g. you're a developer and are compiling the packages
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98 yourself, and want your own private copy of everything), you can tell
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99 XEmacs specifically where to look for the packages by using the
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100 `--package-path' parameter to the 'configure' script. Normally, it looks
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101 like this:
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102
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103 configure --package-path="~/.xemacs::/src/xemacs/site-packages:/src/xemacs/xemacs-packages:/src/xemacs/mule-packages" ...
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104
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105 See `configure.usage' for more info about the format of this parameter.
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106
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107 * Where to get the packages
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108 ---------------------------
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109
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110 Packages are available from ftp://ftp.xemacs.org/pub/xemacs/packages
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111 and its mirrors.
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112
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113 * How to install the packages
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114 -----------------------------
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115 There are a few different ways to install packages:
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116
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117 1. Automatically, using the package tools from XEmacs.
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118 2. Manually, using individual package tarballs.
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119 3. Manually, all at once, using the 'Sumo Tarball'.
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120
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121 ** Automatically, using the package tools from XEmacs
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122 -----------------------------------------------------
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123
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124 XEmacs comes with some tools to make the periodic updating and
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125 installing easier. It will notice if new packages or versions are
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126 available and will fetch them from the FTP site.
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127
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128 Unfortunately this requires that a few packages are already in place.
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129 You will have to install them by hand as above or use a SUMO tarball.
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130 This requirement will hopefully go away in the future. The packages
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131 you need are:
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132
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133 efs - To fetch the files from the FTP site or mirrors.
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134 xemacs-base - Needed by efs.
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135
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136 and optionally:
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137
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138 mailcrypt - For PGP verification of the package-index file.
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139
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140 After installing these by hand, fire up XEmacs and follow these
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141 steps.
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142
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143 (1) Choose a download site.
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144 - via menu: Tools -> Packages -> Set Download Site
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145 - via keyb: M-x customize-variable RET package-get-remote RET
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146 (put in the details of remote host and directory)
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147
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148 If the package tarballs _AND_ the package-index file are in a
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149 local directory, you can: M-x pui-set-local-package-get-directory RET
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150
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151 (2) Obtain a list of packages and display the list in a buffer named
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152 "*Packages*".
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153 - menu: Tools -> Packages -> List & Install
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154 - keyb: M-x pui-list-packages RET
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155
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156 XEmacs will now connect to the remote site and download the
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157 latest package-index file.
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158
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159 The resulting buffer, "*Packages*" has brief instructions at the
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160 end of the buffer.
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161
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162 (3) Choose the packages you wish to install.
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163 - mouse: Click button 2 on the package name.
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164 - keyb: RET on the package name
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165
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166 (4) Make sure you have everything you need.
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167 - menu: Packages -> Add Required
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168 - keyb: r
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169
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170 XEmacs will now search for packages that are required by the
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171 ones that you have chosen to install and offer to select
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172 those packages also.
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173
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174 For novices and gurus alike, this step can save your bacon.
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175 It's easy to forget to install a critical package.
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176
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177 (5) Download and install the packages.
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178 - menu: Packages -> Install/Remove Selected
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179 - keyb: x
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180
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181 ** Manually, using individual package tarballs
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182 ----------------------------------------------
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183
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184 Fetch the packages from the FTP site, CD-ROM whatever. The filenames
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185 have the form name-<version>-pkg.tar.gz and are gzipped tar files. For
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186 a fresh install it is sufficient to untar the file at the top of the
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187 package hierarchy.
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188
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189 Note: If you are upgrading packages already installed, it's best to
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190 remove the old package first (see 'Upgrading/Removing Packages' below).
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191
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192 For example if we are installing the 'xemacs-base'
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193 package (version 1.48):
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194
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195 mkdir $prefix/lib/xemacs/xemacs-packages RET # if it does not exist yet
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196 cd $prefix/lib/xemacs/xemacs-packages RET
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197 gunzip -c /path/to/xemacs-base-1.48-pkg.tar.gz | tar xvf - RET
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198
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199 Or if you have GNU tar, the last step can be:
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200
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201 tar zxvf /path/to/xemacs-base-1.48-pkg.tar.gz RET
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202
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203 For MULE related packages, it is best to untar into the mule-packages
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204 hierarchy, i.e. for the mule-base package, version 1.37:
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205
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206 mkdir $prefix/lib/xemacs/mule-packages RET # if it does not exist yet
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207 cd $prefix/lib/xemacs/mule-packages RET
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208 gunzip -c /path/to/mule-base-1.37-pkg.tar.gz | tar xvf - RET
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209
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210 Or if you have GNU tar, the last step can be:
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211
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212 tar zxvf /path/to/mule-base-1.37-pkg.tar.gz RET
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213
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214
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215 ** Manually, all at once, using the 'Sumo Tarball'
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216 --------------------------------------------------
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217
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218 Those with little time, cheap connections and plenty of disk space can
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219 install all the packages at once using the sumo tarballs.
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220 Download the file:
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221
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222 xemacs-sumo.tar.gz
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223
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224 For an XEmacs compiled with Mule you also need:
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225
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226 xemacs-mule-sumo.tar.gz
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227
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228 N.B. They are called 'Sumo Tarballs' for good reason. They are
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229 currently about 19MB and 4.5MB (gzipped) respectively.
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230
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231 Install them by:
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232
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233 cd $prefix/lib/xemacs ; gunzip -c <tarballname> | tar xvf - RET
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234
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235 Or, if you have GNU tar:
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236
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237 cd $prefix/lib/xemacs ; tar zxvf /path/to/<tarballname> RET
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238
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239 As the Sumo tarballs are not regenerated as often as the individual
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240 packages, it is recommended that you use the automatic package tools
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241 afterwards to pick up any recent updates.
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242
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243 * After Installation
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244 --------------------
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245
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246 Updated packages can only be used by XEmacs after a restart.
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247
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248 * Which Packages to install?
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249 ----------------------------
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250
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251 This is difficult to say. When in doubt install a package. If you
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252 administrate a big site it might be a good idea to just install
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253 everything. A good minimal set of packages for XEmacs-latin1 would be
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254
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255 xemacs-base, xemacs-devel, c-support, cc-mode, debug, dired, efs,
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256 edit-utils, fsf-compat, mail-lib, net-utils, os-utils, prog-modes,
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257 text-modes, time, mailcrypt
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258
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259 If you are using the XEmacs package tools, don't forget to do:
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260
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261 Packages -> Add Required
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262
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263 To make sure you have everything that the packages you have chosen to
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264 install need.
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265
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266 See also '.../etc/PACKAGES' for further descriptions of the individual
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267 packages.
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268
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269 * Upgrading/Removing Packages
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270 -----------------------------
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271
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272 As the exact files and their locations contained in a package may
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273 change it is recommended to remove a package first before installing a
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274 new version. In order to facilitate removal each package contains an
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275 pgkinfo/MANIFEST.pkgname file which list all the files belong to the
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276 package. M-x package-admin-delete-binary-package RET can be used to
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277 remove a package using this file.
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278
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279 Note that the interactive package tools included with XEmacs already do
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280 this for you.
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281
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282 * User Package directories
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283 --------------------------
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284
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285 In addition to the system wide packages, each user can have his own
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286 packages installed under "~/.xemacs/". If you want to install packages
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287 there using the interactive tools, you need to set
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288 'package-get-install-to-user-init-directory' to 't'
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289
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290 * Site lisp/Site start
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291 ----------------------
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292
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293 The site-packages hierarchy replaces the old 'site-lisp' directory.
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294 XEmacs no longer looks into a 'site-lisp' directly by default.
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295 A good place to put 'site-start.el' would be in
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296 $prefix/lib/xemacs/site-packages/lisp/
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297
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298 * Finding the right packages
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299 ----------------------------
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424
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300
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301 If you want to find out which package contains the functionality you
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302 are looking for, use M-x package-get-package-provider, and give it a
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303 symbol that is likely to be in that package.
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304
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305 For example, if some code you want to use has a (require 'thingatpt)
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306 in it:
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307
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308 M-x package-get-package-provider RET thingatpt RET
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309
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310 which will return something like: (fsf-compat "1.08").
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