1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY dbus-download-http "http://dbus.freedesktop.org/releases/dbus-&dbus-version;.tar.gz">
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8 | <!-- <!ENTITY dbus-download-ftp "ftp://ftp.fu-berlin.de/unix/linux/mirrors/gentoo/distfiles/dbus-&dbus-version;.tar.gz"> -->
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9 | <!ENTITY dbus-download-ftp " ">
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10 | <!ENTITY dbus-md5sum "ba7692f63d0e9f1ef06703dff56cb650b">
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11 | <!ENTITY dbus-size "1.7 MB">
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12 | <!ENTITY dbus-buildsize "69.4 MB (includes building and installing all docs)">
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13 | <!ENTITY dbus-time "1.0 SBU">
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14 | ]>
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15 |
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16 | <sect1 id="dbus" xreflabel="D-BUS-&dbus-version;">
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17 | <?dbhtml filename="dbus.html"?>
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18 |
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19 | <sect1info>
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20 | <othername>$LastChangedBy$</othername>
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21 | <date>$Date$</date>
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22 | </sect1info>
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23 |
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24 | <title>D-BUS-&dbus-version;</title>
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25 |
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26 | <indexterm zone="dbus">
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27 | <primary sortas="a-D-BUS">D-BUS</primary>
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28 | </indexterm>
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29 |
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30 | <sect2 role="package">
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31 | <title>Introduction to D-BUS</title>
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32 |
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33 | <para><application>D-BUS</application> is a message bus system, a simple
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34 | way for applications to talk to one another.
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35 | <application>D-BUS</application> supplies both a system daemon (for events
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36 | such as <quote>new hardware device added</quote> or <quote>printer queue
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37 | changed</quote>) and a per-user-login-session daemon (for general IPC needs
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38 | among user applications). Also, the message bus is built on top of a
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39 | general one-to-one message passing framework, which can be used by any two
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40 | applications to communicate directly (without going through the message bus
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41 | daemon).</para>
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42 |
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43 | <bridgehead renderas="sect3">Package Information</bridgehead>
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44 | <itemizedlist spacing="compact">
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45 | <listitem>
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46 | <para>Download (HTTP): <ulink url="&dbus-download-http;"/></para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>Download (FTP): <ulink url="&dbus-download-ftp;"/></para>
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50 | </listitem>
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51 | <listitem>
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52 | <para>Download MD5 sum: &dbus-md5sum;</para>
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53 | </listitem>
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54 | <listitem>
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55 | <para>Download size: &dbus-size;</para>
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56 | </listitem>
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57 | <listitem>
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58 | <para>Estimated disk space required: &dbus-buildsize;</para>
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59 | </listitem>
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60 | <listitem>
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61 | <para>Estimated build time: &dbus-time;</para>
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62 | </listitem>
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63 | </itemizedlist>
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64 |
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65 | <bridgehead renderas="sect3">D-BUS Dependencies</bridgehead>
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66 |
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67 | <bridgehead renderas="sect4">Optional</bridgehead>
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68 | <para role="optional"><xref linkend="pkgconfig"/>,
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69 | <xref linkend="expat"/> or <xref linkend="libxml2"/>,
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70 | <xref linkend="glib2"/>,
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71 | <xref linkend="gtk2"/>,
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72 | <xref linkend="qt"/>,
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73 | <ulink url="http://www.trolltech.com/products/qt">Qt-4.x.x</ulink>,
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74 | <xref linkend="x-window-system"/>,
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75 | <xref linkend="gcc"/> (for the Java compiler and tools),
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76 | <ulink url="http://nz.cosc.canterbury.ac.nz/~greg/python/Pyrex/">Pyrex</ulink>
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77 | (requires <xref linkend="python"/>),
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78 | <ulink url="http://www.mono-project.com/GtkSharp">GtkSharp-1.0.x</ulink>
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79 | (requires <ulink url="http://go-mono.org">Mono</ulink>),
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80 | <ulink url="http://go-mono.com/sources-stable/">Monodoc</ulink>,
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81 | <xref linkend="doxygen"/> (to generate the API documentation), and
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82 | <ulink url="http://cyberelk.net/tim/xmlto/">xmlto</ulink>
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83 | (to generate HTML documentation and manuals)</para>
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84 |
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85 | <para>Listed below are some additional notes about the dependencies</para>
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86 |
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87 | <itemizedlist spacing="compact">
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88 | <listitem>
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89 | <para>Review the information from running
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90 | <command>./configure --help</command> for the available parameters to
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91 | pass to the <command>configure</command> script to enable the various
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92 | dependencies.</para>
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93 | </listitem>
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94 | <listitem>
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95 | <para>To build the <application>Mono</application> bindings, you must
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96 | have <application>GtkSharp</application> installed. If you wish to use
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97 | recent versions of <application>GtkSharp</application>, you'll need to
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98 | make some trivial patches to the <application>D-BUS</application>
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99 | sources. See <ulink url="http://www.mono-project.com/GtkSharpUpgrade"/>
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100 | for details.</para>
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101 | </listitem>
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102 | <listitem>
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103 | <para>If you have a recent version of <ulink
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104 | url="http://go-mono.com/sources-stable/">Monodoc</ulink> installed
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105 | (>= 1.1.10) and you passed the <option>--enable-mono-docs</option>
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106 | parameter to <command>configure</command>, the
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107 | <application>D-BUS</application> build will fail. You can review the
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108 | parts of this patch (<ulink
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109 | url="http://www.mail-archive.com/frugalware-darcs@frugalware.org/msg10156.html"/>)
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110 | that apply to the <application>Monodoc</application> installation, to
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111 | fix the build problems. Note this is untested by the BLFS Team, but
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112 | should work just fine.</para>
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113 | </listitem>
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114 | </itemizedlist>
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115 |
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116 | <bridgehead renderas="sect4" id="hal-requirements"
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117 | xreflabel="HAL Requirements">HAL Requirements</bridgehead>
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118 |
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119 | <para><xref linkend="glib2"/> must be installed before you begin building
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120 | <application>D-BUS</application> if you plan on installing
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121 | <xref linkend="hal"/>. <application>GLib</application> is required to build
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122 | the <filename class='libraryfile'>libdbus-glib</filename> library, which is
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123 | required by the <application>HAL</application> daemon.</para>
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124 |
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125 | <para>If you plan on using <application>HAL</application> with
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126 | <application>KDE</application>, you'll need to link
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127 | <application>D-BUS</application> with the <application>Qt</application>
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128 | libraries. Ensure you've installed <application>Qt</application> before
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129 | beginning the <application>D-BUS</application> installation.</para>
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130 |
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131 | <para>If you desire to use the <xref linkend="hal-device-manager"/>
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132 | program, <ulink url="http://nz.cosc.canterbury.ac.nz/~greg/python/Pyrex/">
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133 | Pyrex</ulink> must be installed before you begin building
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134 | <application>D-BUS</application> as the <application>D-BUS</application>
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135 | <application>Python</application> bindings are required. You will also
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136 | need to remove the <parameter>--disable-python</parameter> parameter from
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137 | the <command>configure</command> command in the instructions below.</para>
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138 |
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139 | <para condition="html" role="usernotes">User Notes:
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140 | <ulink url="&blfs-wiki;/dbus"/></para>
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141 |
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142 | </sect2>
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143 |
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144 | <sect2 role="kernel" id='dbus-kernel'>
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145 | <title>Kernel Configuration</title>
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146 |
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147 | <para>Ensure the following option is enabled in the kernel configuration
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148 | and recompile the kernel if necessary:</para>
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149 |
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150 | <screen><literal>General Setup
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151 | System V IPC</literal></screen>
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152 |
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153 | <indexterm zone="dbus dbus-kernel">
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154 | <primary sortas="d-dbus">dbus</primary>
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155 | </indexterm>
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156 |
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157 | </sect2>
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158 |
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159 | <sect2 role="installation">
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160 | <title>Installation of D-BUS</title>
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161 |
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162 | <para>As the <systemitem class="username">root</systemitem> user, create a
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163 | system user and group to handle the system message bus activity:</para>
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164 |
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165 | <screen role="root"><userinput>groupadd -g 18 messagebus &&
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166 | useradd -c "D-BUS Message Daemon User" -d /dev/null \
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167 | -u 18 -g messagebus -s /bin/false messagebus</userinput></screen>
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168 |
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169 | <para>Install <application>D-BUS</application> by running the following
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170 | commands (you may wish to review the output from
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171 | <command>./configure --help</command> first and add any desired parameters
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172 | to the <command>configure</command> command shown below):</para>
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173 |
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174 | <screen><userinput>./configure --prefix=/usr \
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175 | --sysconfdir=/etc \
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176 | --localstatedir=/var \
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177 | --disable-python &&
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178 | make</userinput></screen>
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179 |
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180 | <para>The <option>--enable-doxygen-docs</option> parameter does not work
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181 | properly. If you have <application>Doxygen</application> installed and you
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182 | wish to build the API documentation, issue
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183 | <command>doxygen</command>.</para>
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184 |
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185 | <para>This package's test suite cannot be run without passing additional
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186 | parameters to <command>configure</command>. These parameters are not
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187 | intended to be used in a production build of
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188 | <application>D-BUS</application> so you will have to build twice (issuing
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189 | <command>make distclean</command> after the first build) if you
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190 | want to run the regression tests.</para>
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191 |
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192 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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193 |
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194 | <screen role="root"><userinput>make install &&
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195 | install -v -m755 -d /usr/share/doc/dbus-&dbus-version; &&
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196 | install -v -m644 doc/{TODO,*.{dtd,xml,xsl,html,txt,c}} \
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197 | /usr/share/doc/dbus-&dbus-version;</userinput></screen>
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198 |
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199 | <para>If you built the API documentation, install it by issuing the
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200 | following commands as the <systemitem class="username">root</systemitem> user:</para>
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201 |
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202 | <screen role="root"><userinput>install -v -m755 -d /usr/share/doc/dbus-&dbus-version;/api &&
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203 | install -v -m644 doc/api/html/* \
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204 | /usr/share/doc/dbus-&dbus-version;/api</userinput></screen>
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205 |
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206 | </sect2>
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207 |
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208 | <sect2 role="commands">
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209 | <title>Command Explanations</title>
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210 |
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211 | <para><parameter>--localstatedir=/var</parameter>: This parameter causes
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212 | the daemon PID file to be created in
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213 | <filename class="directory">/var/run/dbus</filename> instead of
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214 | <filename class="directory">/usr/var/run/dbus</filename>.</para>
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215 |
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216 | <para><parameter>--disable-python</parameter>: This parameter is required
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217 | if <application>Python</application> is not installed. Remove the parameter
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218 | if <application>Python</application> (and <application>Pyrex</application>)
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219 | is installed and you wish to build the
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220 | <application>Python</application> bindings.</para>
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221 |
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222 | </sect2>
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223 |
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224 | <sect2 role="configuration">
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225 | <title>Configuring dbus</title>
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226 |
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227 | <sect3 id="dbus-config">
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228 | <title>Config Files</title>
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229 | <para><filename>/etc/dbus-1/session.conf</filename>,
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230 | <filename>/etc/dbus-1/system.conf</filename> and
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231 | <filename>/etc/dbus-1/system.d/*</filename></para>
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232 |
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233 | <indexterm zone="dbus dbus-config">
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234 | <primary sortas="e-etc-dbus-1-session.conf">/etc/dbus-1/session.conf</primary>
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235 | </indexterm>
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236 |
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237 | <indexterm zone="dbus dbus-config">
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238 | <primary sortas="e-etc-dbus-1/system.conf">/etc/dbus-1/system.conf</primary>
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239 | </indexterm>
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240 |
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241 | <indexterm zone="dbus dbus-config">
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242 | <primary sortas="e-etc-dbus-1-system.d-star">/etc/dbus-1/system.d/*</primary>
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243 | </indexterm>
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244 |
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245 | </sect3>
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246 |
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247 | <sect3><title>Configuration Information</title>
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248 |
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249 | <para>The configuration files listed above should probably not be
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250 | modified. If changes are required, you should create
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251 | <filename>/etc/dbus-1/session-local.conf</filename> and/or
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252 | <filename>/etc/dbus-1/system-local.conf</filename> and make any
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253 | desired changes to these files.</para>
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254 |
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255 | </sect3>
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256 |
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257 | <sect3 id="dbus-init">
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258 | <title>Boot Script</title>
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259 |
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260 | <para>To automatically start <command>dbus-daemon</command> when the
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261 | system is rebooted, install the
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262 | <filename>/etc/rc.d/init.d/dbus</filename> bootscript from the
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263 | <xref linkend="bootscripts"/> package.</para>
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264 |
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265 | <indexterm zone="dbus dbus-init">
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266 | <primary sortas="f-dbus">dbus</primary>
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267 | </indexterm>
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268 |
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269 | <screen role="root"><userinput>make install-dbus</userinput></screen>
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270 |
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271 | <para>Note that this boot script only starts the system-wide
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272 | <application>D-BUS</application> daemon. Each user requiring access to
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273 | <application>D-BUS</application> services will also need to run a
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274 | session daemon as well. There are many methods you can use to start a
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275 | session daemon using the <command>dbus-launch</command> command. Review
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276 | the <command>dbus-launch</command> man page for details about the
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277 | available parameters and options. Here are some suggestions and
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278 | examples:</para>
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279 |
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280 | <itemizedlist spacing="compact">
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281 | <listitem>
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282 | <para>Add <command>dbus-launch</command> to the line in the
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283 | <filename>~/.xinitrc</filename> file that starts your graphical
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284 | desktop environment as shown in <xref linkend="gnome-config"/>.</para>
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285 | </listitem>
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286 | <listitem>
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287 | <para>If you use <command>xdm</command> or some other display manager
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288 | that calls the <filename>~/.xsession</filename> file, you can add
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289 | <command>dbus-launch</command> to the line in your
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290 | <filename>~/.xsession</filename> file that starts your graphical
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291 | desktop environment. The syntax would be similar to the example in
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292 | the <filename>~/.xinitrc</filename> file.</para>
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293 | </listitem>
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294 | <listitem>
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295 | <para>If you use <command>gdm</command> or some other display manager
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296 | that utilizes custom files to initiate sessions, use the example in
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297 | <xref linkend="gdm-config-dbus"/> of the
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298 | <application>GDM</application> instructions to create a file
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299 | containing <command>dbus-launch</command>.</para>
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300 | </listitem>
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301 | <listitem>
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302 | <para>The examples shown previously use
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303 | <command>dbus-launch</command> to specify a program to be run. This
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304 | has the benefit (when also using the
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305 | <parameter>--exit-with-session</parameter> parameter) of stopping the
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306 | session daemon when the specified program is stopped. You can also
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307 | start the session daemon in your system or personal startup scripts
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308 | by adding the following lines:</para>
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309 |
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310 | <screen><userinput><literal># Start the D-BUS session daemon
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311 | eval `dbus-launch`
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312 | export DBUS_SESSION_BUS_ADDRESS</literal></userinput></screen>
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313 |
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314 | <para>This method will not stop the session daemon when you exit
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315 | your shell, therefore you should add the following line to your
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316 | <filename>~/.bash_logout</filename> file:</para>
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317 |
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318 | <screen><userinput><literal># Kill the D-BUS session daemon
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319 | kill $DBUS_SESSION_BUS_PID</literal></userinput></screen>
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320 | </listitem>
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321 |
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322 | <listitem>
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323 | <para>A hint has been written that provides ways to start scripts
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324 | using the KDM session manager of KDE. The concepts in this hint could
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325 | possibly used with other session managers as well. The hint is
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326 | located at <ulink
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327 | url="&hints-root;/downloads/files/execute-session-scripts-using-kdm.txt"/>.
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328 | </para>
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329 | </listitem>
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330 |
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331 | </itemizedlist>
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332 |
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333 | </sect3>
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334 |
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335 | </sect2>
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336 |
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337 | <sect2 role="content">
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338 | <title>Contents</title>
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339 |
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340 | <segmentedlist>
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341 | <segtitle>Installed Programs</segtitle>
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342 | <segtitle>Installed Libraries</segtitle>
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343 | <segtitle>Installed Directories</segtitle>
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344 |
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345 | <seglistitem>
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346 | <seg>dbus-binding-tool, dbus-cleanup-sockets, dbus-daemon, dbus-launch,
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347 | dbus-monitor, dbus-send and dbus-viewer</seg>
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348 | <seg>libdbus-1.{so,a} and optionally, dbus-1.jar, libdbus-gcj-1.{so,a},
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349 | libdbus-glib-1.{so,a}, libdbus-qt-1.{so,a}, libdbus-qt4-1.{so,a},
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350 | libdbus-mono-1.{so,a} and <application>Python</application>
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351 | modules</seg>
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352 | <seg>/etc/dbus-1, /usr/include/dbus-1.0, /usr/lib/dbus-1.0,
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353 | /usr/lib/python2.4/site-packages/dbus, /usr/share/dbus-1,
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354 | /usr/share/doc/dbus-&dbus-version; and /var/run/dbus</seg>
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355 | </seglistitem>
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356 | </segmentedlist>
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357 |
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358 | <variablelist>
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359 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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360 | <?dbfo list-presentation="list"?>
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361 | <?dbhtml list-presentation="table"?>
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362 |
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363 | <varlistentry id="dbus-binding-tool">
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364 | <term><command>dbus-binding-tool</command></term>
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365 | <listitem>
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366 | <para>is used to create header files from
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367 | <application>GLib</application> object files.</para>
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368 | <indexterm zone="dbus dbus-binding-tool">
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369 | <primary sortas="b-dbus-binding-tool">dbus-binding-tool</primary>
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370 | </indexterm>
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371 | </listitem>
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372 | </varlistentry>
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373 |
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374 | <varlistentry id="dbus-cleanup-sockets">
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375 | <term><command>dbus-cleanup-sockets</command></term>
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376 | <listitem>
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377 | <para>is used to clean up leftover sockets in a directory.</para>
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378 | <indexterm zone="dbus dbus-cleanup-sockets">
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379 | <primary sortas="b-dbus-cleanup-sockets">dbus-cleanup-sockets</primary>
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380 | </indexterm>
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381 | </listitem>
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382 | </varlistentry>
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383 |
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384 | <varlistentry id="dbus-daemon">
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385 | <term><command>dbus-daemon</command></term>
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386 | <listitem>
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387 | <para>is the <application>D-BUS</application> message bus
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388 | daemon.</para>
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389 | <indexterm zone="dbus dbus-daemon">
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390 | <primary sortas="b-dbus-daemon">dbus-daemon</primary>
|
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391 | </indexterm>
|
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392 | </listitem>
|
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393 | </varlistentry>
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394 |
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395 | <varlistentry id="dbus-launch">
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396 | <term><command>dbus-launch</command></term>
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397 | <listitem>
|
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398 | <para>is used to start <command>dbus-daemon</command> from a shell
|
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399 | script. It would normally be called from a user's login
|
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400 | scripts.</para>
|
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401 | <indexterm zone="dbus dbus-launch">
|
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402 | <primary sortas="b-dbus-launch">dbus-launch</primary>
|
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403 | </indexterm>
|
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404 | </listitem>
|
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405 | </varlistentry>
|
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406 |
|
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407 | <varlistentry id="dbus-monitor">
|
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408 | <term><command>dbus-monitor</command></term>
|
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409 | <listitem>
|
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410 | <para>is used to monitor messages going through a
|
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411 | <application>D-BUS</application> message bus.</para>
|
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412 | <indexterm zone="dbus dbus-monitor">
|
---|
413 | <primary sortas="b-dbus-monitor">dbus-monitor</primary>
|
---|
414 | </indexterm>
|
---|
415 | </listitem>
|
---|
416 | </varlistentry>
|
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417 |
|
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418 | <varlistentry id="dbus-send">
|
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419 | <term><command>dbus-send</command></term>
|
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420 | <listitem>
|
---|
421 | <para>is used to send a message to a <application>D-BUS</application>
|
---|
422 | message bus.</para>
|
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423 | <indexterm zone="dbus dbus-send">
|
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424 | <primary sortas="b-dbus-send">dbus-send</primary>
|
---|
425 | </indexterm>
|
---|
426 | </listitem>
|
---|
427 | </varlistentry>
|
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428 |
|
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429 | <varlistentry id="dbus-viewer">
|
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430 | <term><command>dbus-viewer</command></term>
|
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431 | <listitem>
|
---|
432 | <para>is a graphical <application>D-BUS</application> frontend
|
---|
433 | utility.</para>
|
---|
434 | <indexterm zone="dbus dbus-viewer">
|
---|
435 | <primary sortas="b-dbus-viewer">dbus-viewer</primary>
|
---|
436 | </indexterm>
|
---|
437 | </listitem>
|
---|
438 | </varlistentry>
|
---|
439 |
|
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440 | <varlistentry id="libdbus-1">
|
---|
441 | <term><filename class='libraryfile'>libdbus-1.{so,a}</filename></term>
|
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442 | <listitem>
|
---|
443 | <para>contains the API functions used by the
|
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444 | <application>D-BUS</application> message daemon.
|
---|
445 | <application>D-BUS</application> is first a library that provides
|
---|
446 | one-to-one communication between any two applications;
|
---|
447 | <command>dbus-daemon</command> is an application that uses this
|
---|
448 | library to implement a message bus daemon.</para>
|
---|
449 | <indexterm zone="dbus libdbus-1">
|
---|
450 | <primary sortas="c-libdbus-1">libdbus-1.{so,a}</primary>
|
---|
451 | </indexterm>
|
---|
452 | </listitem>
|
---|
453 | </varlistentry>
|
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454 |
|
---|
455 | </variablelist>
|
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456 |
|
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457 | </sect2>
|
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458 |
|
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459 | </sect1>
|
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