1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/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 qtwebengine-major "5.10">
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8 | <!ENTITY qtwebengine-download-http "https://download.qt.io/archive/qt/&qtwebengine-major;/&qtwebengine-version;/submodules/qtwebengine-everywhere-src-&qtwebengine-version;.tar.xz">
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9 | <!ENTITY qtwebengine-download-ftp " ">
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10 | <!ENTITY qtwebengine-md5sum "77374c184f2ff5005d1c61a32ea38491">
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11 | <!ENTITY qtwebengine-size "201 MB">
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12 | <!ENTITY qtwebengine-buildsize "3.2 GB (137 MB installed)">
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13 | <!ENTITY qtwebengine-time "43 SBU (using 4 cores)">
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14 | ]>
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15 |
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16 | <sect1 id="qtwebengine" xreflabel="qtwebengine-&qtwebengine-version;">
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17 | <?dbhtml filename="qtwebengine.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>QtWebEngine-&qtwebengine-version;</title>
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25 |
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26 | <indexterm zone="qtwebengine">
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27 | <primary sortas="a-qtwebengine">qtwebengine</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 QtWebEngine</title>
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32 |
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33 | <para>
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34 | <application>QtWebEngine</application> integrates
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35 | <application>chromium</application>"s web capabilities into Qt. It
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36 | ships with its own copy of ninja which it uses for the build if it cannot
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37 | find a system copy, and various copies of libraries from ffmpeg, icu,
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38 | libvpx, and zlib (including libminizip) which have been forked by the
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39 | <application>chromium</application> developers.
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40 | </para>
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41 |
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42 | &lfs82_checked;
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43 |
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44 | <note><para>By default, ninja will use all online CPUs +2 (if at least
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45 | 4 exist), even if they are not available to the current task because the
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46 | build terminal has been restricted with 'taskset'. To work around this,
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47 | see the Command Explanations below.</para></note>
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48 |
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49 | <bridgehead renderas="sect3">Package Information</bridgehead>
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50 | <itemizedlist spacing="compact">
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51 | <listitem>
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52 | <para>
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53 | Download (HTTP): <ulink url="&qtwebengine-download-http;"/>
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54 | </para>
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55 | </listitem>
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56 | <listitem>
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57 | <para>
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58 | Download (FTP): <ulink url="&qtwebengine-download-ftp;"/>
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59 | </para>
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60 | </listitem>
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61 | <listitem>
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62 | <para>
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63 | Download MD5 sum: &qtwebengine-md5sum;
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64 | </para>
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65 | </listitem>
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66 | <listitem>
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67 | <para>
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68 | Download size: &qtwebengine-size;
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69 | </para>
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70 | </listitem>
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71 | <listitem>
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72 | <para>
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73 | Estimated disk space required: &qtwebengine-buildsize;
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74 | </para>
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75 | </listitem>
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76 | <listitem>
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77 | <para>
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78 | Estimated build time: &qtwebengine-time;
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79 | </para>
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80 | </listitem>
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81 | </itemizedlist>
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82 |
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83 | <bridgehead renderas="sect3">qtwebengine Dependencies</bridgehead>
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84 |
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85 | <bridgehead renderas="sect4">Required</bridgehead>
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86 | <!-- the qmake output tends to be misleading. 'khr' is from Mesa -->
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87 | <para role="required">
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88 | <xref linkend="nss"/>,
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89 | <xref linkend="pulseaudio"/>, and
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90 | <xref linkend='qt5'/>
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91 | </para>
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92 |
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93 | <bridgehead renderas="sect4">Recommended</bridgehead>
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94 | <note>
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95 | <para>
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96 | If these packages are not installed, the build process will compile and
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97 | install its own (perhaps older) version, with the side effect of
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98 | increasing build and installed disk space and build time.
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99 | </para>
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100 | </note>
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101 |
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102 | <para role="recommended">
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103 | <xref linkend="libwebp"/>,
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104 | <xref linkend="libxslt"/>, and
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105 | <xref linkend="opus"/>
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106 | </para>
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107 |
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108 | <bridgehead renderas="sect4">Optional</bridgehead>
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109 | <para role="optional">
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110 | <xref linkend="libevent"/>,
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111 | <ulink url="https://github.com/open-source-parsers/jsoncpp/releases">jsoncpp</ulink>,
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112 | <ulink url="https://github.com/cisco/libsrtp/releases">libsrtp</ulink>,
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113 | <ulink url="http://google.github.io/snappy/">snappy</ulink>
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114 | </para>
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115 |
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116 | <para condition="html" role="usernotes">
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117 | User Notes: <ulink url="&blfs-wiki;/qtwebengine"/>
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118 | </para>
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119 | </sect2>
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120 |
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121 | <sect2 role="installation">
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122 | <title>Installation of qtwebengine</title>
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123 |
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124 | <para>
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125 | Install <application>qtwebengine</application> by running the following
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126 | commands:
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127 | </para>
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128 |
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129 | <screen><userinput>mkdir build &&
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130 | cd build &&
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131 |
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132 | qmake .. &&
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133 | make</userinput></screen>
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134 | <!--
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135 | <para>
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136 | if you wish to build the HTML documentation, issue:
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137 | </para>
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138 |
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139 | <screen><userinput>make docs</userinput></screen>
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140 | -->
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141 | <para>
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142 | This package does not come with a test suite.
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143 | </para>
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144 |
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145 | <para>
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146 | Now, as the <systemitem class="username">root</systemitem> user:
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147 | </para>
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148 |
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149 | <screen role="root"><userinput>make install</userinput></screen>
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150 | <!--
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151 | <para>
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152 | If you built the HTML documentation, install it with:
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153 | </para>
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154 |
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155 | <screen role="root"><userinput>make install_docs</userinput></screen>
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156 | -->
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157 | <para>
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158 | Remove references to the build directory from installed library
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159 | dependency (prl) files by running the following
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160 | commands as the <systemitem class="username">root</systemitem> user:
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161 | </para>
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162 |
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163 | <screen role="root"><userinput>find $QT5DIR/ -name \*.prl \
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164 | -exec sed -i -e '/^QMAKE_PRL_BUILD_DIR/d' {} \;</userinput></screen>
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165 | </sect2>
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166 |
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167 | <sect2 role="commands">
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168 | <title>Command Explanations</title>
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169 |
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170 | <para>
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171 | <command>qmake</command>: This will build the included copy of
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172 | <application>ninja</application> if it is not already installed
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173 | and use it to configure the build.
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174 | </para>
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175 |
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176 | <para>
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177 | <option>NINJAJOBS=4 make</option>: If you patched system ninja in LFS to
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178 | recognize the NINJAJOBS environment variable, this command will run system
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179 | ninja with the specified number of jobs (i.e. 4). Among the reasons why
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180 | you might want to do this are: building on a subset of CPUs, either to
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181 | measure the build time for that number of processors or to run other
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182 | CPU-intensive tasks on other cores, or to improve the build speed on a
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183 | less-well endowed 4-core machine. On a machine with a powerful CPU and
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184 | plenty of RAM, running N+2 jobs (the ninja default for 4+ cores) for the
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185 | large working sets of the C++ compiles in this package is typically only
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186 | marginally slower than running 4 jobs at a time. But for a machine with
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187 | less memory it might be much slower.
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188 | </para>
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189 |
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190 | </sect2>
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191 |
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192 | <sect2 role="content">
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193 | <title>Contents</title>
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194 |
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195 | <segmentedlist>
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196 | <segtitle>Installed Programs</segtitle>
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197 | <segtitle>Installed Libraries</segtitle>
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198 | <segtitle>Installed Directories</segtitle>
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199 |
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200 | <seglistitem>
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201 | <seg>
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202 | qtwebengine_convert_dict and
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203 | QtWebEngineProcess
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204 | </seg>
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205 | <seg>
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206 | libQt5WebEngineCore.so,
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207 | libQt5WebEngine.so, and
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208 | libQt5WebEngineWidgets.so
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209 | </seg>
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210 | <seg>
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211 | $QT5PREFIX/doc/qtwebengine,
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212 | $QT5PREFIX/includeQtWebEngine,
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213 | $QT5PREFIX/include/QtWebEngineCore, and
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214 | $QT5PREFIX/include/QtWebEngineWidgets
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215 | </seg>
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216 | </seglistitem>
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217 | </segmentedlist>
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218 |
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219 | <variablelist>
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220 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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221 | <?dbfo list-presentation="list"?>
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222 | <?dbhtml list-presentation="table"?>
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223 |
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224 | <varlistentry id="qtwebengine_convert_dict">
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225 | <term><command>qtwebengine_convert_dict</command></term>
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226 | <listitem>
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227 | <para>
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228 | converts hunspell dictionaries (<literal>.dic</literal>) to chromium
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229 | format (<literal>.bdic</literal>)
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230 | </para>
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231 | <indexterm zone="qtwebengine qtwebengine_convert_dict">
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232 | <primary sortas="b-qtwebengine_convert_dict">qtwebengine_convert_dict</primary>
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233 | </indexterm>
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234 | </listitem>
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235 | </varlistentry>
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236 |
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237 | <varlistentry id="QtWebEngineProcess">
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238 | <term><command>QtWebEngineProcess</command></term>
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239 | <listitem>
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240 | <para>
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241 | is a libexec program which runs a zygote process (one that listens
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242 | for spawn requests from a master process and will fork itself in
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243 | response).
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244 | </para>
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245 | <indexterm zone="qtwebengine QtWebEngineProcess">
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246 | <primary sortas="b-QtWebEngineProcess">QtWebEngineProcess</primary>
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247 | </indexterm>
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248 | </listitem>
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249 | </varlistentry>
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250 |
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251 | <varlistentry id="libQtWebEngine-lib">
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252 | <term><filename class="libraryfile">libQtWebEngine.so</filename></term>
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253 | <listitem>
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254 | <para>
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255 | provides QML types for rendering web content within a QML application.
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256 | </para>
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257 | <indexterm zone="qtwebengine libQtWebEngine-lib">
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258 | <primary sortas="c-libQtWebEngine">libQtWebEngine.so</primary>
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259 | </indexterm>
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260 | </listitem>
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261 | </varlistentry>
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262 |
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263 | <varlistentry id="libQtWebEngineCore">
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264 | <term><filename class="libraryfile">libQtWebEngineCore.so</filename></term>
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265 | <listitem>
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266 | <para>
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267 | provides public API shared by both QtWebEngine and QtWebEngineWidgets.
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268 | </para>
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269 | <indexterm zone="qtwebengine libQtWebEngineCore">
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270 | <primary sortas="c-libQtWebEngineCore">libQtWebEngineCore.so</primary>
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271 | </indexterm>
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272 | </listitem>
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273 | </varlistentry>
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274 |
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275 | <varlistentry id="libQtWebEngineWidgets">
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276 | <term><filename class="libraryfile">libQtWebEngineWidgets.so</filename></term>
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277 | <listitem>
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278 | <para>
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279 | provides a web browser engine as well as C++ classes to render and
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280 | interact with web content.
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281 | </para>
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282 | <indexterm zone="qtwebengine libQtWebEngineWidgets">
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283 | <primary sortas="c-libQtWebEngineWidgets">libQtWebEngineWidgets.so</primary>
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284 | </indexterm>
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285 | </listitem>
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286 | </varlistentry>
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287 |
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288 | </variablelist>
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289 | </sect2>
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290 | </sect1>
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