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  15
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  22 <h2 class="titleHead">opendreambox</h2>
  23 <div class="author" ><span
  24 class="cmr-12">Andreas Oberritter </span><span
  25 class="cmtt-9">&#x003C;obi@opendreambox.org&#x003E;</span></div>
  26 <br />
  27 <div class="date" ><span
  28 class="cmr-12">August 2014</span></div>
  29 </div>
  30 <h3 class="likesectionHead"><a
  31  id="x1-1000"></a>Contents</h3>
  32 <div class="tableofcontents">
  33 <span class="sectionToc" >1 <a
  34 href="#x1-20001" id="QQ2-1-2">Introduction</a></span>
  35 <br />&#x00A0;<span class="subsectionToc" >1.1 <a
  36 href="#x1-30001.1" id="QQ2-1-3">Target audience</a></span>
  37 <br />&#x00A0;<span class="subsectionToc" >1.2 <a
  38 href="#x1-40001.2" id="QQ2-1-4">Supported products</a></span>
  39 <br />&#x00A0;<span class="subsectionToc" >1.3 <a
  40 href="#x1-50001.3" id="QQ2-1-5">License</a></span>
  41 <br />&#x00A0;<span class="subsectionToc" >1.4 <a
  42 href="#x1-60001.4" id="QQ2-1-6">Obtaining the source code</a></span>
  43 <br />&#x00A0;<span class="subsectionToc" >1.5 <a
  44 href="#x1-70001.5" id="QQ2-1-7">Quick start</a></span>
  45 <br />&#x00A0;<span class="subsectionToc" >1.6 <a
  46 href="#x1-80001.6" id="QQ2-1-8">Directory structure</a></span>
  47 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >1.6.1 <a
  48 href="#x1-90001.6.1" id="QQ2-1-9">openembedded-core and meta-openembedded</a></span>
  49 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >1.6.2 <a
  50 href="#x1-100001.6.2" id="QQ2-1-10">meta-opendreambox</a></span>
  51 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >1.6.3 <a
  52 href="#x1-110001.6.3" id="QQ2-1-11">meta-bsp</a></span>
  53 <br /><span class="sectionToc" >2 <a
  54 href="#x1-120002" id="QQ2-1-12">Further readings</a></span>
  55 <br /><span class="sectionToc" >3 <a
  56 href="#x1-130003" id="QQ2-1-13">Prerequisites</a></span>
  57 <br />&#x00A0;<span class="subsectionToc" >3.1 <a
  58 href="#x1-140003.1" id="QQ2-1-14">Required software</a></span>
  59 <br /><span class="sectionToc" >4 <a
  60 href="#x1-150004" id="QQ2-1-15">Major changes since previous public releases</a></span>
  61 <br />&#x00A0;<span class="subsectionToc" >4.1 <a
  62 href="#x1-160004.1" id="QQ2-1-16">Changes since release 1.6</a></span>
  63 <br />&#x00A0;<span class="subsectionToc" >4.2 <a
  64 href="#x1-170004.2" id="QQ2-1-17">Changes since release 2.0</a></span>
  65 <br /><span class="sectionToc" >5 <a
  66 href="#x1-180005" id="QQ2-1-18">Known Issues</a></span>
  67
  68
  69
  70 <br /><span class="sectionToc" >6 <a
  71 href="#x1-190006" id="QQ2-1-19">Building OpenDreambox</a></span>
  72 <br />&#x00A0;<span class="subsectionToc" >6.1 <a
  73 href="#x1-200006.1" id="QQ2-1-20">Makefile targets</a></span>
  74 <br />&#x00A0;<span class="subsectionToc" >6.2 <a
  75 href="#x1-210006.2" id="QQ2-1-21">Configuration variables</a></span>
  76 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.2.1 <a
  77 href="#x1-220006.2.1" id="QQ2-1-22">BB_NUMBER_THREADS</a></span>
  78 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.2.2 <a
  79 href="#x1-230006.2.2" id="QQ2-1-23">MACHINE</a></span>
  80 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.2.3 <a
  81 href="#x1-240006.2.3" id="QQ2-1-24">PARALLEL_MAKE</a></span>
  82 <br />&#x00A0;<span class="subsectionToc" >6.3 <a
  83 href="#x1-250006.3" id="QQ2-1-25">Adding custom layers</a></span>
  84 <br />&#x00A0;<span class="subsectionToc" >6.4 <a
  85 href="#x1-260006.4" id="QQ2-1-26">Adding custom options</a></span>
  86 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.4.1 <a
  87 href="#x1-270006.4.1" id="QQ2-1-27">DISTRO_FEED_PREFIX</a></span>
  88 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.4.2 <a
  89 href="#x1-280006.4.2" id="QQ2-1-28">DISTRO_FEED_URI</a></span>
  90 <br />&#x00A0;&#x00A0;<span class="subsubsectionToc" >6.4.3 <a
  91 href="#x1-290006.4.3" id="QQ2-1-29">INHERIT</a></span>
  92 <br />&#x00A0;<span class="subsectionToc" >6.5 <a
  93 href="#x1-300006.5" id="QQ2-1-30">Setting up a build directory</a></span>
  94 <br />&#x00A0;<span class="subsectionToc" >6.6 <a
  95 href="#x1-310006.6" id="QQ2-1-31">Building a firmware image</a></span>
  96 <br />&#x00A0;<span class="subsectionToc" >6.7 <a
  97 href="#x1-320006.7" id="QQ2-1-32">Building a package</a></span>
  98 <br /><span class="sectionToc" >7 <a
  99 href="#x1-330007" id="QQ2-1-33">Development hints</a></span>
 100 <br />&#x00A0;<span class="subsectionToc" >7.1 <a
 101 href="#x1-340007.1" id="QQ2-1-34">Cross-compilation of external software</a></span>
 102 <br />&#x00A0;<span class="subsectionToc" >7.2 <a
 103 href="#x1-350007.2" id="QQ2-1-35">Coding style</a></span>
 104 <br />&#x00A0;<span class="subsectionToc" >7.3 <a
 105 href="#x1-360007.3" id="QQ2-1-36">Package architecture</a></span>
 106 <br /><span class="sectionToc" >8 <a
 107 href="#x1-370008" id="QQ2-1-37">Bug reports and patches</a></span>
 108 </div>
 109
 110
 111
 112 <!--l. 54--><p class="noindent" >
 113 <h3 class="sectionHead"><span class="titlemark">1   </span> <a
 114  id="x1-20001"></a>Introduction</h3>
 115 <div class="flushleft"
 116 >
 117 <!--l. 55--><p class="noindent" >
 118  This document briefly describes the OpenDreambox distribution, an
 119 embedded Linux distribution for Set-Top-Boxes manufactured by <a
 120 href="http://www.dream-multimedia-tv.de/" >Dream
 121 Property GmbH</a>.
 122 <!--l. 59--><p class="noindent" >OpenDreambox is based on the <a
 123 href="http://www.openembedded.org/" >OpenEmbedded</a> build framework, which uses
 124 BitBake to transform build instructions into distributable firmare images and
 125 software packages.
 126 <!--l. 63--><p class="noindent" >The current version, OpenDreambox 2.2, is based on the <a
 127 href="https://www.yoctoproject.org/" >Yocto Project</a>, release
 128 1.5.1 &#8221;Dora&#8221;, an umbrella project for OpenEmbedded and related tools.</div>
 129 <!--l. 67--><p class="noindent" >
 130 <h4 class="subsectionHead"><span class="titlemark">1.1   </span> <a
 131  id="x1-30001.1"></a>Target audience</h4>
 132 <div class="flushleft"
 133 >
 134 <!--l. 68--><p class="noindent" >
 135  Developers familiar with previous versions of OpenDreambox or
 136 OpenEmbedded in general.</div>
 137 <!--l. 73--><p class="noindent" >
 138 <h4 class="subsectionHead"><span class="titlemark">1.2   </span> <a
 139  id="x1-40001.2"></a>Supported products</h4>
 140 <div class="flushleft"
 141 >
 142 <!--l. 75--><p class="noindent" >
 143  The current version includes support for the following products:
 144
 145
 146
 147 <div class="tabular"> <table id="TBL-2" class="tabular"
 148 cellspacing="0" cellpadding="0" rules="groups"
 149 ><colgroup id="TBL-2-1g"><col
 150 id="TBL-2-1"></colgroup><colgroup id="TBL-2-2g"><col
 151 id="TBL-2-2"></colgroup><tr
 152 class="hline"><td><hr></td><td><hr></td></tr><tr
 153  style="vertical-align:baseline;" id="TBL-2-1-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-1-1"
 154 class="td11"><span
 155 class="cmbx-10">Product name   </span></td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-1-2"
 156 class="td11"><span
 157 class="cmbx-10">Environment variable</span></td></tr><tr
 158 class="hline"><td><hr></td><td><hr></td></tr><tr
 159  style="vertical-align:baseline;" id="TBL-2-2-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-2-1"
 160 class="td11"> </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-2-2"
 161 class="td11"></td>
 162 </tr><tr
 163  style="vertical-align:baseline;" id="TBL-2-3-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-3-1"
 164 class="td11">DM 500 HD         </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-3-2"
 165 class="td11"><span
 166 class="cmtt-9">MACHINE=dm500hd        </span></td>
 167 </tr><tr
 168  style="vertical-align:baseline;" id="TBL-2-4-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-4-1"
 169 class="td11">DM 500 HD V2     </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-4-2"
 170 class="td11"><span
 171 class="cmtt-9">MACHINE=dm500hdv2      </span></td>
 172 </tr><tr
 173  style="vertical-align:baseline;" id="TBL-2-5-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-5-1"
 174 class="td11">DM 800 HD SE     </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-5-2"
 175 class="td11"><span
 176 class="cmtt-9">MACHINE=dm800se        </span></td>
 177 </tr><tr
 178  style="vertical-align:baseline;" id="TBL-2-6-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-6-1"
 179 class="td11">DM 800 HD SE V2</td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-6-2"
 180 class="td11"><span
 181 class="cmtt-9">MACHINE=dm800sev2      </span></td>
 182 </tr><tr
 183  style="vertical-align:baseline;" id="TBL-2-7-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-7-1"
 184 class="td11">DM 7020 HD        </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-7-2"
 185 class="td11"><span
 186 class="cmtt-9">MACHINE=dm7020hd       </span></td>
 187 </tr><tr
 188  style="vertical-align:baseline;" id="TBL-2-8-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-8-1"
 189 class="td11">DM 7020 HD V2   </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-8-2"
 190 class="td11"><span
 191 class="cmtt-9">MACHINE=dm7020hdv2     </span></td>
 192 </tr><tr
 193  style="vertical-align:baseline;" id="TBL-2-9-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-9-1"
 194 class="td11">DM 7080             </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-9-2"
 195 class="td11"><span
 196 class="cmtt-9">MACHINE=dm7080         </span></td>
 197 </tr><tr
 198  style="vertical-align:baseline;" id="TBL-2-10-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-10-1"
 199 class="td11">DM 8000 HD PVR</td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-10-2"
 200 class="td11"><span
 201 class="cmtt-9">MACHINE=dm8000         </span></td>
 202 </tr><tr
 203  style="vertical-align:baseline;" id="TBL-2-11-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-11-1"
 204 class="td11">                </td><td  style="white-space:nowrap; text-align:left;" id="TBL-2-11-2"
 205 class="td11">                     </td>
 206 </tr><tr
 207 class="hline"><td><hr></td><td><hr></td></tr><tr
 208  style="vertical-align:baseline;" id="TBL-2-12-"><td  style="white-space:nowrap; text-align:left;" id="TBL-2-12-1"
 209 class="td11">                </td>
 210 </tr></table></div>
 211 <!--l. 94--><p class="noindent" >Note, that not all of these platforms offer enough internal storage to actually flash a
 212 generated firmware image. It might be possible to boot from external storage or
 213 network, though.</div>
 214 <!--l. 99--><p class="noindent" >
 215 <h4 class="subsectionHead"><span class="titlemark">1.3   </span> <a
 216  id="x1-50001.3"></a>License</h4>
 217
 218
 219
 220 <div class="verbatim" id="verbatim-1">
 221 Copyright&#x00A0;(c)&#x00A0;2010-2014&#x00A0;Dream&#x00A0;Property&#x00A0;GmbH,&#x00A0;Germany
 222 &#x00A0;<br />&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;&#x00A0;http://www.dream-multimedia-tv.de/
 223 &#x00A0;<br />Authors:
 224 &#x00A0;<br />&#x00A0;&#x00A0;Andreas&#x00A0;Frisch&#x00A0;&#x003C;fraxinas@opendreambox.org&#x003E;
 225 &#x00A0;<br />&#x00A0;&#x00A0;Andreas&#x00A0;Monzner&#x00A0;&#x003C;ghost@opendreambox.org&#x003E;
 226 &#x00A0;<br />&#x00A0;&#x00A0;Andreas&#x00A0;Oberritter&#x00A0;&#x003C;obi@opendreambox.org&#x003E;
 227 &#x00A0;<br />&#x00A0;&#x00A0;Mladen&#x00A0;Horvat&#x00A0;&#x003C;acid-burn@opendreambox.org&#x003E;
 228 &#x00A0;<br />&#x00A0;&#x00A0;Stefan&#x00A0;Pluecken&#x00A0;&#x003C;thedoc@opendreambox.org&#x003E;
 229 &#x00A0;<br />&#x00A0;&#x00A0;Stephan&#x00A0;Reichholf&#x00A0;&#x003C;reichi@opendreambox.org&#x003E;
 230 &#x00A0;<br />
 231 &#x00A0;<br />Permission&#x00A0;is&#x00A0;hereby&#x00A0;granted,&#x00A0;free&#x00A0;of&#x00A0;charge,&#x00A0;to&#x00A0;any&#x00A0;person&#x00A0;obtaining&#x00A0;a&#x00A0;copy
 232 &#x00A0;<br />of&#x00A0;this&#x00A0;software&#x00A0;and&#x00A0;associated&#x00A0;documentation&#x00A0;files&#x00A0;(the&#x00A0;"Software"),&#x00A0;to&#x00A0;deal
 233 &#x00A0;<br />in&#x00A0;the&#x00A0;Software&#x00A0;without&#x00A0;restriction,&#x00A0;including&#x00A0;without&#x00A0;limitation&#x00A0;the&#x00A0;rights
 234 &#x00A0;<br />to&#x00A0;use,&#x00A0;copy,&#x00A0;modify,&#x00A0;merge,&#x00A0;publish,&#x00A0;distribute,&#x00A0;sublicense,&#x00A0;and/or&#x00A0;sell
 235 &#x00A0;<br />copies&#x00A0;of&#x00A0;the&#x00A0;Software,&#x00A0;and&#x00A0;to&#x00A0;permit&#x00A0;persons&#x00A0;to&#x00A0;whom&#x00A0;the&#x00A0;Software&#x00A0;is
 236 &#x00A0;<br />furnished&#x00A0;to&#x00A0;do&#x00A0;so,&#x00A0;subject&#x00A0;to&#x00A0;the&#x00A0;following&#x00A0;conditions:
 237 &#x00A0;<br />
 238 &#x00A0;<br />The&#x00A0;above&#x00A0;copyright&#x00A0;notice&#x00A0;and&#x00A0;this&#x00A0;permission&#x00A0;notice&#x00A0;shall&#x00A0;be&#x00A0;included&#x00A0;in
 239 &#x00A0;<br />all&#x00A0;copies&#x00A0;or&#x00A0;substantial&#x00A0;portions&#x00A0;of&#x00A0;the&#x00A0;Software.
 240 &#x00A0;<br />
 241 &#x00A0;<br />THE&#x00A0;SOFTWARE&#x00A0;IS&#x00A0;PROVIDED&#x00A0;"AS&#x00A0;IS",&#x00A0;WITHOUT&#x00A0;WARRANTY&#x00A0;OF&#x00A0;ANY&#x00A0;KIND,&#x00A0;EXPRESS&#x00A0;OR
 242 &#x00A0;<br />IMPLIED,&#x00A0;INCLUDING&#x00A0;BUT&#x00A0;NOT&#x00A0;LIMITED&#x00A0;TO&#x00A0;THE&#x00A0;WARRANTIES&#x00A0;OF&#x00A0;MERCHANTABILITY,
 243 &#x00A0;<br />FITNESS&#x00A0;FOR&#x00A0;A&#x00A0;PARTICULAR&#x00A0;PURPOSE&#x00A0;AND&#x00A0;NONINFRINGEMENT.&#x00A0;IN&#x00A0;NO&#x00A0;EVENT&#x00A0;SHALL&#x00A0;THE
 244 &#x00A0;<br />AUTHORS&#x00A0;OR&#x00A0;COPYRIGHT&#x00A0;HOLDERS&#x00A0;BE&#x00A0;LIABLE&#x00A0;FOR&#x00A0;ANY&#x00A0;CLAIM,&#x00A0;DAMAGES&#x00A0;OR&#x00A0;OTHER
 245 &#x00A0;<br />LIABILITY,&#x00A0;WHETHER&#x00A0;IN&#x00A0;AN&#x00A0;ACTION&#x00A0;OF&#x00A0;CONTRACT,&#x00A0;TORT&#x00A0;OR&#x00A0;OTHERWISE,&#x00A0;ARISING&#x00A0;FROM,
 246 &#x00A0;<br />OUT&#x00A0;OF&#x00A0;OR&#x00A0;IN&#x00A0;CONNECTION&#x00A0;WITH&#x00A0;THE&#x00A0;SOFTWARE&#x00A0;OR&#x00A0;THE&#x00A0;USE&#x00A0;OR&#x00A0;OTHER&#x00A0;DEALINGS&#x00A0;IN
 247 &#x00A0;<br />THE&#x00A0;SOFTWARE.
 248 &#x00A0;<br />&#x00A0;&#x00A0;&#x00A0;&#x00A0;</div>
 249 <!--l. 129--><p class="nopar" >
 250 <!--l. 131--><p class="noindent" >
 251 <h4 class="subsectionHead"><span class="titlemark">1.4   </span> <a
 252  id="x1-60001.4"></a>Obtaining the source code</h4>
 253 <!--l. 132--><p class="noindent" >OpenDreambox uses the Git version control system. To obtain the source code, it is
 254 required to install Git. See <a
 255 href="http://git-scm.com/" class="url" ><span
 256 class="cmtt-10">http://git-_scm.com/</span></a>.
 257 <!--l. 135--><p class="noindent" >To initially download the source into the current directory, issue the following
 258 command:
 259 <!--l. 138--><p class="noindent" ><span
 260 class="cmtt-9">git clone -b dora git://git.opendreambox.org/git/opendreambox.git</span>
 261 <!--l. 140--><p class="noindent" >The Git repository can be viewed online at:
 262 <!--l. 142--><p class="noindent" ><a
 263 href="http://cgit.opendreambox.org/opendreambox.git" class="url" ><span
 264 class="cmtt-10">http://cgit.opendreambox.org/opendreambox.git</span></a>
 265
 266
 267
 268 <!--l. 144--><p class="noindent" >
 269 <h4 class="subsectionHead"><span class="titlemark">1.5   </span> <a
 270  id="x1-70001.5"></a>Quick start</h4>
 271 <!--l. 145--><p class="noindent" >For the impatient:
 272 <!--l. 147--><p class="noindent" ><span
 273 class="cmtt-9">make -C opendreambox image</span>
 274 <!--l. 149--><p class="noindent" >If this command fails, prerequisites my be missing. See section <a
 275 href="#x1-130003">3<!--tex4ht:ref: prerequisites --></a>.
 276 <!--l. 151--><p class="noindent" >
 277 <h4 class="subsectionHead"><span class="titlemark">1.6   </span> <a
 278  id="x1-80001.6"></a>Directory structure</h4>
 279 <!--l. 152--><p class="noindent" >OpenDreambox consists of a set of layers containing build instructions. This meta
 280 data is used by BitBake to download and compile source code and to assemble
 281 installable software packages and firmware images.
 282 <!--l. 156--><p class="noindent" >Currently, these layers are used, ordered by priority from highest to lowest:
 283      <ul class="itemize1">
 284      <li class="itemize"><span
 285 class="cmtt-9">meta-bsp/$</span><span
 286 class="cmsy-9">{</span><span
 287 class="cmtt-9">MACHINE</span><span
 288 class="cmsy-9">}</span>
 289      </li>
 290      <li class="itemize"><span
 291 class="cmtt-9">meta-bsp/common</span>
 292      </li>
 293      <li class="itemize"><span
 294 class="cmtt-9">meta-opendreambox</span>
 295      </li>
 296      <li class="itemize"><span
 297 class="cmtt-9">meta-qt5</span>
 298      </li>
 299      <li class="itemize"><span
 300 class="cmtt-9">meta-openembedded/meta-oe</span>
 301      </li>
 302      <li class="itemize"><span
 303 class="cmtt-9">meta-openembedded/meta-filesystems</span>
 304      </li>
 305      <li class="itemize"><span
 306 class="cmtt-9">meta-openembedded/meta-initramfs</span>
 307      </li>
 308      <li class="itemize"><span
 309 class="cmtt-9">meta-openembedded/meta-multimedia</span>
 310      </li>
 311      <li class="itemize"><span
 312 class="cmtt-9">meta-openembedded/meta-networking</span>
 313      </li>
 314      <li class="itemize"><span
 315 class="cmtt-9">meta-openembedded/meta-ruby</span>
 316      </li>
 317      <li class="itemize"><span
 318 class="cmtt-9">openembedded-core/meta</span></li></ul>
 319
 320
 321
 322 <!--l. 173--><p class="noindent" >If a recipe for the same package exists in multiple layers, then the higher priority
 323 layer takes precedence over the lower priority layer.
 324 <!--l. 177--><p class="noindent" >For example, if <span
 325 class="cmtt-9">libmad</span><span
 326 class="cmtt-9">_0.15.1b.bb </span>existed in both <span
 327 class="cmtt-9">meta-openembedded </span>and
 328 <span
 329 class="cmtt-9">openembedded-core</span>, the recipe in <span
 330 class="cmtt-9">meta-openembedded </span>would be used, because
 331 <span
 332 class="cmtt-9">openembedded-core </span>has lower priority.
 333 <!--l. 182--><p class="noindent" ><span
 334 class="cmbx-10">NOTE: </span>This would still be true even if the version of <span
 335 class="cmtt-9">libmad </span>in <span
 336 class="cmtt-9">openembeded-core</span>
 337 was higher than the version in <span
 338 class="cmtt-9">meta-openembedded</span>, unless <span
 339 class="cmtt-9">PREFERRED</span><span
 340 class="cmtt-9">_VERSION</span><span
 341 class="cmtt-9">_libmad</span>
 342 was set to the version in <span
 343 class="cmtt-9">openembedded-core</span>. There is currently no way to prefer a
 344 version of a lower priority layer, if the same version is present in a higher priority
 345 layer.
 346 <!--l. 188--><p class="noindent" >
 347 <h5 class="subsubsectionHead"><span class="titlemark">1.6.1   </span> <a
 348  id="x1-90001.6.1"></a>openembedded-core and meta-openembedded</h5>
 349 <!--l. 189--><p class="noindent" >These directories contain copies of Git repositories from git.openembedded.org,
 350 including the OpenEmbedded-Core layer and the (Meta-)OpenEmbedded layers.
 351 They get created automatically when building the distribution for the first
 352 time.
 353 <!--l. 193--><p class="noindent" >Throughout this document, the combination of these directories will be referred to as
 354 OpenEmbedded.
 355 <!--l. 196--><p class="noindent" >The latest changes to these Git repositories can be seen at:
 356 <!--l. 198--><p class="noindent" ><a
 357 href="http://git.openembedded.org/openembedded-core-contrib/log/?h=obi/dora" class="url" ><span
 358 class="cmtt-10">http://git.openembedded.org/openembedded-_core-_contrib/log/?h=obi/dora</span></a>
 359 <!--l. 200--><p class="noindent" ><a
 360 href="http://git.openembedded.org/meta-openembedded-contrib/log/?h=obi/dora" class="url" ><span
 361 class="cmtt-10">http://git.openembedded.org/meta-_openembedded-_contrib/log/?h=obi/dora</span></a>
 362 <!--l. 202--><p class="noindent" >
 363 <h5 class="subsubsectionHead"><span class="titlemark">1.6.2   </span> <a
 364  id="x1-100001.6.2"></a>meta-opendreambox</h5>
 365 <!--l. 203--><p class="noindent" >This directory contains:
 366      <ul class="itemize1">
 367      <li class="itemize">Recipes   for   packages   written   specifically   for   the   OpenDreambox
 368      distribution
 369      </li>
 370      <li class="itemize">Modifications to recipes from OpenEmbedded
 371      </li>
 372      <li class="itemize">Recipes   for   software   versions   older   than   those   available   from
 373      OpenEmbedded
 374      </li>
 375      <li class="itemize">Recipes   for   software   versions   newer   than   those   available   from
 376      OpenEmbedded</li></ul>
 377
 378
 379
 380 <!--l. 212--><p class="noindent" >
 381 <h5 class="subsubsectionHead"><span class="titlemark">1.6.3   </span> <a
 382  id="x1-110001.6.3"></a>meta-bsp</h5>
 383 <!--l. 213--><p class="noindent" >The directory <span
 384 class="cmtt-9">meta-bsp </span>contains Board Support Packages (BSP) for the supported
 385 Dreambox models. This includes:
 386      <ul class="itemize1">
 387      <li class="itemize">Hardware drivers
 388      </li>
 389      <li class="itemize">Machine specific overrides
 390      </li>
 391      <li class="itemize">The Linux kernel
 392      </li>
 393      <li class="itemize">The boot loader
 394      </li>
 395      <li class="itemize">Splash images</li></ul>
 396 <!--l. 224--><p class="noindent" >
 397 <h3 class="sectionHead"><span class="titlemark">2   </span> <a
 398  id="x1-120002"></a>Further readings</h3>
 399      <ul class="itemize1">
 400      <li class="itemize">The Yocto Project Reference Manual: <a
 401 href="https://www.yoctoproject.org/docs/1.5.1/ref-manual/ref-manual.html" class="url" ><span
 402 class="cmtt-10">https://www.yoctoproject.org/docs/1.5.1/ref-_manual/ref-_manual.html</span></a></li></ul>
 403 <!--l. 230--><p class="noindent" >
 404 <h3 class="sectionHead"><span class="titlemark">3   </span> <a
 405  id="x1-130003"></a>Prerequisites</h3>
 406 <!--l. 233--><p class="noindent" >
 407 <h4 class="subsectionHead"><span class="titlemark">3.1   </span> <a
 408  id="x1-140003.1"></a>Required software</h4>
 409 <!--l. 235--><p class="noindent" >The OpenEmbedded project provides a general list of prerequisites for many Linux
 410 distributions and also for some other operating systems.
 411
 412
 413
 414      <ul class="itemize1">
 415      <li class="itemize"><a
 416 href="http://www.openembedded.org/wiki/Getting\_started#Required\_software" class="url" ><span
 417 class="cmtt-10">http://www.openembedded.org/wiki/Getting\_started#Required\_software</span></a></li></ul>
 418 <!--l. 242--><p class="noindent" >It is highly recommended to use Linux to build OpenDreambox. In theory, any recent
 419 distribution will do, but not many distributions have been verified to build
 420 OpenDreambox without errors. Tested distributions include:
 421      <ul class="itemize1">
 422      <li class="itemize">Debian 7.6 &#8221;Wheezy&#8221; [amd64]
 423      </li>
 424      <li class="itemize">Ubuntu 14.04.1 LTS &#8221;Trusty Tahr&#8221; [amd64]</li></ul>
 425
 426
 427
 428 <!--l. 254--><p class="noindent" >
 429 <h3 class="sectionHead"><span class="titlemark">4   </span> <a
 430  id="x1-150004"></a>Major changes since previous public releases</h3>
 431 <!--l. 256--><p class="noindent" >
 432 <h4 class="subsectionHead"><span class="titlemark">4.1   </span> <a
 433  id="x1-160004.1"></a>Changes since release 1.6</h4>
 434      <ul class="itemize1">
 435      <li class="itemize">Recipes were split across multiple layers and categorized.
 436      </li>
 437      <li class="itemize"><span
 438 class="cmtt-9">env.source  </span>has   been   replaced   by   two   files,   <span
 439 class="cmtt-9">bitbake.env  </span>and
 440      <span
 441 class="cmtt-9">cross-compile.env</span>. The former sets a minimal environment that is needed
 442      to execute bitbake. The latter creates machine-specific command aliases,
 443      in order to compile external software.
 444      </li>
 445      <li class="itemize">All machines share a common <span
 446 class="cmtt-9">tmp </span>directory.
 447      </li>
 448      <li class="itemize"><span
 449 class="cmtt-9">$</span><span
 450 class="cmsy-9">{</span><span
 451 class="cmtt-9">MACHINE</span><span
 452 class="cmsy-9">}</span><span
 453 class="cmtt-9">/build </span>directories were renamed to <span
 454 class="cmtt-9">build/$</span><span
 455 class="cmsy-9">{</span><span
 456 class="cmtt-9">MACHINE</span><span
 457 class="cmsy-9">}</span>.
 458      </li>
 459      <li class="itemize">Kernel packages were renamed from <span
 460 class="cmtt-9">linux-$</span><span
 461 class="cmsy-9">{</span><span
 462 class="cmtt-9">MACHINE</span><span
 463 class="cmsy-9">} </span>to <span
 464 class="cmtt-9">linux-dreambox</span>.
 465      </li>
 466      <li class="itemize">Support for machines based on ATI Xilleon or IBM STB was dropped.</li></ul>
 467 <!--l. 269--><p class="noindent" >
 468 <h4 class="subsectionHead"><span class="titlemark">4.2   </span> <a
 469  id="x1-170004.2"></a>Changes since release 2.0</h4>
 470      <ul class="itemize1">
 471      <li class="itemize">Added support for DM7080.
 472      </li>
 473      <li class="itemize">If   a   recipe   changes,   the   corresponding   packages   will   be   rebuilt
 474      automatically, in contrast to required manual PR bumps in the past.
 475      </li>
 476      <li class="itemize">Each machine uses its own tmp directory again, like before 2.0. However,
 477      there is a shared <span
 478 class="cmtt-9">sstate-cache</span>, which allows to share already compiled
 479      data between compatible machines. This impacts performance and size of
 480      the build system, but improves reliability and consistency across builds.
 481
 482
 483
 484      </li>
 485      <li class="itemize">Support for machines without FPU and kernel versions below 3.x was
 486      dropped (DM800).</li></ul>
 487 <!--l. 281--><p class="noindent" >
 488 <h3 class="sectionHead"><span class="titlemark">5   </span> <a
 489  id="x1-180005"></a>Known Issues</h3>
 490 <!--l. 283--><p class="noindent" >None.
 491
 492
 493
 494 <!--l. 287--><p class="noindent" >
 495 <h3 class="sectionHead"><span class="titlemark">6   </span> <a
 496  id="x1-190006"></a>Building OpenDreambox</h3>
 497 <!--l. 289--><p class="noindent" >In the top level directory, there is a <span
 498 class="cmtt-9">Makefile</span>, which is used to set up build
 499 directories and to fetch or update all used repositories. The Makefile can
 500 be influenced by environment variables, either by specifing them on the
 501 command-line or by storing them in a file called <span
 502 class="cmtt-9">conf/make.conf</span>. It is not
 503 recommended to edit the <span
 504 class="cmtt-9">Makefile </span>directly in order to avoid conflicts with future
 505 updates.
 506 <!--l. 296--><p class="noindent" >When the <span
 507 class="cmtt-9">Makefile </span>is run for the first time, the following steps will be executed:
 508      <ul class="itemize1">
 509      <li class="itemize">Creation of configuration files
 510          <ul class="itemize2">
 511          <li class="itemize"><span
 512 class="cmtt-9">bitbake.env</span>
 513          </li>
 514          <li class="itemize"><span
 515 class="cmtt-9">conf/opendreambox.conf</span>
 516          </li>
 517          <li class="itemize"><span
 518 class="cmtt-9">build/$</span><span
 519 class="cmsy-9">{</span><span
 520 class="cmtt-9">MACHINE</span><span
 521 class="cmsy-9">}</span><span
 522 class="cmtt-9">/conf/bblayers.conf</span>
 523          </li>
 524          <li class="itemize"><span
 525 class="cmtt-9">build/$</span><span
 526 class="cmsy-9">{</span><span
 527 class="cmtt-9">MACHINE</span><span
 528 class="cmsy-9">}</span><span
 529 class="cmtt-9">/conf/local.conf</span></li></ul>
 530      </li>
 531      <li class="itemize">Update or checkout of Git repositories
 532          <ul class="itemize2">
 533          <li class="itemize">OpenDreambox
 534          </li>
 535          <li class="itemize">BitBake
 536          </li>
 537          <li class="itemize">OpenEmbedded</li></ul>
 538      </li></ul>
 539 <!--l. 315--><p class="noindent" >
 540 <h4 class="subsectionHead"><span class="titlemark">6.1   </span> <a
 541  id="x1-200006.1"></a>Makefile targets</h4>
 542 <!--l. 316--><p class="noindent" >Run <span
 543 class="cmtt-9">make help </span>to get a list of targets of the top level Makefile, together with a brief
 544 description.
 545
 546
 547
 548 <!--l. 318--><p class="noindent" >
 549 <h4 class="subsectionHead"><span class="titlemark">6.2   </span> <a
 550  id="x1-210006.2"></a>Configuration variables</h4>
 551 <!--l. 319--><p class="noindent" >
 552 <h5 class="subsubsectionHead"><span class="titlemark">6.2.1   </span> <a
 553  id="x1-220006.2.1"></a>BB_NUMBER_THREADS</h5>
 554 <!--l. 320--><p class="noindent" >Controls how many BitBake tasks may run at a time. Defaults to the number of cores
 555 available on the build system.
 556 <!--l. 323--><p class="noindent" >
 557 <h5 class="subsubsectionHead"><span class="titlemark">6.2.2   </span> <a
 558  id="x1-230006.2.2"></a>MACHINE</h5>
 559 <!--l. 324--><p class="noindent" >Controls the target machine to build packages for. See section <a
 560 href="#x1-40001.2">1.2<!--tex4ht:ref: products --></a> for a list of
 561 supported products.
 562 <!--l. 327--><p class="noindent" >
 563 <h5 class="subsubsectionHead"><span class="titlemark">6.2.3   </span> <a
 564  id="x1-240006.2.3"></a>PARALLEL_MAKE</h5>
 565 <!--l. 328--><p class="noindent" >Controls how many processes per recipe <span
 566 class="cmtt-9">make </span>may use. Defaults to the number of
 567 cores available on the build system.
 568 <!--l. 331--><p class="noindent" >
 569 <h4 class="subsectionHead"><span class="titlemark">6.3   </span> <a
 570  id="x1-250006.3"></a>Adding custom layers</h4>
 571 <!--l. 333--><p class="noindent" >It is possible to add custom layers to the build system. This can be done globally and
 572 per machine. To add a layer globally, edit <span
 573 class="cmtt-9">conf/bblayers-ext.conf</span>. To add a
 574 machine-specific layer, edit <span
 575 class="cmtt-9">conf/bblayers-$</span><span
 576 class="cmsy-9">{</span><span
 577 class="cmtt-9">MACHINE</span><span
 578 class="cmsy-9">}</span><span
 579 class="cmtt-9">-ext.conf</span>. Assuming that an
 580 additional layer is available at <span
 581 class="cmtt-9">$</span><span
 582 class="cmsy-9">{</span><span
 583 class="cmtt-9">HOME</span><span
 584 class="cmsy-9">}</span><span
 585 class="cmtt-9">/custom-layer</span>, the entry to add to the file will
 586 look like this:
 587 <!--l. 339--><p class="noindent" ><span
 588 class="cmtt-9">BBLAYERS =+ "$</span><span
 589 class="cmsy-9">{</span><span
 590 class="cmtt-9">HOME</span><span
 591 class="cmsy-9">}</span><span
 592 class="cmtt-9">/custom-layer"</span>
 593 <!--l. 341--><p class="noindent" >
 594 <h4 class="subsectionHead"><span class="titlemark">6.4   </span> <a
 595  id="x1-260006.4"></a>Adding custom options</h4>
 596 <!--l. 342--><p class="noindent" >It is possible to tweak a lot more options than those used by the <span
 597 class="cmtt-9">Makefile </span>by editing
 598 <span
 599 class="cmtt-9">conf/local-ext.conf </span>or <span
 600 class="cmtt-9">conf/local-$</span><span
 601 class="cmsy-9">{</span><span
 602 class="cmtt-9">MACHINE</span><span
 603 class="cmsy-9">}</span><span
 604 class="cmtt-9">-ext.conf</span>.
 605
 606
 607
 608 <!--l. 345--><p class="noindent" >For example, if the firmware shall use the package feed built on the develoment
 609 machine, which happens to be 192.168.1.1 and has a webserver configured to point to
 610 <span
 611 class="cmtt-9">tmp/deploy/ipk</span>, a line like the following may be added:
 612 <!--l. 349--><p class="noindent" ><span
 613 class="cmtt-9">DISTRO</span><span
 614 class="cmtt-9">_FEED</span><span
 615 class="cmtt-9">_URI = "http://192.168.1.1/$</span><span
 616 class="cmsy-9">{</span><span
 617 class="cmtt-9">DISTRO</span><span
 618 class="cmsy-9">}</span><span
 619 class="cmtt-9">/$</span><span
 620 class="cmsy-9">{</span><span
 621 class="cmtt-9">DISTRO</span><span
 622 class="cmtt-9">_VERSION</span><span
 623 class="cmsy-9">}</span><span
 624 class="cmtt-9">"</span>
 625 <!--l. 351--><p class="noindent" >In general, any variable in OpenEmbedded that uses weak assignment (<span
 626 class="cmtt-9">?=</span>) may be
 627 overridden from these files.
 628 <!--l. 354--><p class="noindent" >The following sections list some commonly used options.
 629 <!--l. 356--><p class="noindent" >
 630 <h5 class="subsubsectionHead"><span class="titlemark">6.4.1   </span> <a
 631  id="x1-270006.4.1"></a>DISTRO_FEED_PREFIX</h5>
 632 <!--l. 358--><p class="noindent" ><span
 633 class="cmtt-9">DISTRO</span><span
 634 class="cmtt-9">_FEED</span><span
 635 class="cmtt-9">_PREFIX </span>specifies the name of the package update feed. This name may be
 636 chosen arbitarily.
 637 <!--l. 361--><p class="noindent" >Default: <span
 638 class="cmtt-9">DISTRO</span><span
 639 class="cmtt-9">_FEED</span><span
 640 class="cmtt-9">_PREFIX = "remote"</span>
 641 <!--l. 363--><p class="noindent" >
 642 <h5 class="subsubsectionHead"><span class="titlemark">6.4.2   </span> <a
 643  id="x1-280006.4.2"></a>DISTRO_FEED_URI</h5>
 644 <!--l. 365--><p class="noindent" ><span
 645 class="cmtt-9">DISTRO</span><span
 646 class="cmtt-9">_FEED</span><span
 647 class="cmtt-9">_URI </span>specifies the URI of the package update feed.
 648 <!--l. 367--><p class="noindent" >Default: <span
 649 class="cmtt-9">DISTRO</span><span
 650 class="cmtt-9">_FEED</span><span
 651 class="cmtt-9">_URI = "http://my-distribution.example/remote-feed/"</span>
 652 <!--l. 369--><p class="noindent" >
 653 <h5 class="subsubsectionHead"><span class="titlemark">6.4.3   </span> <a
 654  id="x1-290006.4.3"></a>INHERIT</h5>
 655 <!--l. 371--><p class="noindent" ><span
 656 class="cmtt-9">INHERIT </span>specifies bbclasses to include from a configuration file. Usually, this variable
 657 gets appended to by using the <span
 658 class="cmtt-9">+= </span>operator.
 659 <!--l. 374--><p class="noindent" >The OpenDreambox distribution automatically appends <span
 660 class="cmtt-9">"buildhistory recipe</span><span
 661 class="cmtt-9">_sanity"</span>
 662 to <span
 663 class="cmtt-9">INHERIT</span>.
 664 <!--l. 376--><p class="noindent" >Default: <span
 665 class="cmtt-9">INHERIT = ""</span>
 666 <!--l. 378--><p class="noindent" ><span
 667 class="cmbx-10">Some examples:</span>
 668 <!--l. 380--><p class="noindent" >Always build the latest versions of OpenDreambox-related projects from
 669 Git:
 670 <!--l. 382--><p class="noindent" ><span
 671 class="cmtt-9">INHERIT += "opendreambox-autorev"</span>
 672 <!--l. 384--><p class="noindent" >Remove temporary files of previous versions of a recipe before a newer version gets
 673 built:
 674 <!--l. 386--><p class="noindent" ><span
 675 class="cmtt-9">INHERIT += "rm</span><span
 676 class="cmtt-9">_old</span><span
 677 class="cmtt-9">_work"</span>
 678
 679
 680
 681 <!--l. 388--><p class="noindent" >
 682 <h4 class="subsectionHead"><span class="titlemark">6.5   </span> <a
 683  id="x1-300006.5"></a>Setting up a build directory</h4>
 684 <!--l. 389--><p class="noindent" >To set up a build directory for e.g. <span
 685 class="cmbx-10">DM 7080 </span>run <span
 686 class="cmtt-9">make MACHINE=dm7080</span>. If
 687 <span
 688 class="cmtt-9">MACHINE=dm7080 </span>has been set in <span
 689 class="cmtt-9">conf/make.conf </span>(default), you can simply run
 690 <span
 691 class="cmtt-9">make </span>with no arguments instead. This will create and initialize the directory
 692 <span
 693 class="cmtt-9">build/dm7080</span>.
 694 <!--l. 393--><p class="noindent" >
 695 <h4 class="subsectionHead"><span class="titlemark">6.6   </span> <a
 696  id="x1-310006.6"></a>Building a firmware image</h4>
 697 <!--l. 394--><p class="noindent" >To build a firmware image for e.g. <span
 698 class="cmbx-10">DM 7080 </span>run <span
 699 class="cmtt-9">make MACHINE=dm7080 image</span>. If
 700 <span
 701 class="cmtt-9">MACHINE=dm7080 </span>has been set in <span
 702 class="cmtt-9">conf/make.conf </span>(default), you can simply run <span
 703 class="cmtt-9">make</span>
 704 <span
 705 class="cmtt-9">image </span>instead.
 706 <!--l. 398--><p class="noindent" >
 707 <h4 class="subsectionHead"><span class="titlemark">6.7   </span> <a
 708  id="x1-320006.7"></a>Building a package</h4>
 709 <!--l. 399--><p class="noindent" >To build a single package, BitBake has to be used directly. First, the environment has
 710 to be set up, in order to make BitBake available to the shell. This can be done with
 711 the following command:
 712 <!--l. 403--><p class="noindent" ><span
 713 class="cmtt-9">source bitbake.env</span>
 714 <!--l. 405--><p class="noindent" >BitBake must be run from the machine&#8217;s build directory. For <span
 715 class="cmbx-10">DM 7080</span>
 716 run:
 717 <!--l. 407--><p class="noindent" ><span
 718 class="cmtt-9">cd build/dm7080</span>
 719 <!--l. 409--><p class="noindent" >In order to build enigma2, run:
 720 <!--l. 411--><p class="noindent" ><span
 721 class="cmtt-9">bitbake enigma2</span>.
 722 <!--l. 413--><p class="noindent" >
 723 <h3 class="sectionHead"><span class="titlemark">7   </span> <a
 724  id="x1-330007"></a>Development hints</h3>
 725 <!--l. 415--><p class="noindent" >
 726 <h4 class="subsectionHead"><span class="titlemark">7.1   </span> <a
 727  id="x1-340007.1"></a>Cross-compilation of external software</h4>
 728 <!--l. 416--><p class="noindent" >OpenDreambox provides a script called <span
 729 class="cmtt-9">cross-compile.env</span>. Once run, the script will
 730 create the following commands (shell aliases), aiming to ease cross-compilation of
 731 external source trees:
 732
 733
 734
 735      <ul class="itemize1">
 736      <li class="itemize"><span
 737 class="cmtt-9">oe</span><span
 738 class="cmtt-9">_autoreconf </span>- Calls OE&#8217;s version of <span
 739 class="cmtt-9">autoreconf</span>. Useful for projects based
 740      on GNU autotools.
 741      </li>
 742      <li class="itemize"><span
 743 class="cmtt-9">oe</span><span
 744 class="cmtt-9">_runconf </span>- Calls <span
 745 class="cmtt-9">./configure </span>with parameters suitable for OE. Useful
 746      for projects based on GNU autotools.
 747      </li>
 748      <li class="itemize"><span
 749 class="cmtt-9">oe</span><span
 750 class="cmtt-9">_runmake </span>-  Calls  <span
 751 class="cmtt-9">make </span>with  parameters  suitable  for  OE.  Useful  for
 752      projects based on GNU autotools or GNU make.
 753      </li>
 754      <li class="itemize"><span
 755 class="cmtt-9">oe</span><span
 756 class="cmtt-9">_env </span>- Useful to execute arbitrary commands in the OE environment
 757      (e.g. <span
 758 class="cmtt-9">oe</span><span
 759 class="cmtt-9">_env env</span>).
 760      </li>
 761      <li class="itemize"><span
 762 class="cmtt-9">oe</span><span
 763 class="cmtt-9">_setenv </span>- Exports the OE environment to the currently running shell
 764      session.</li></ul>
 765 <!--l. 427--><p class="noindent" >The script needs to know the target machine, which can be one of the supported
 766 products (see <a
 767 href="#x1-40001.2">1.2<!--tex4ht:ref: products --></a>). Because the script adds aliases to your currently running shell
 768 session, it has to be invoked using <span
 769 class="cmtt-9">source </span>or <span
 770 class="cmtt-9">. </span>(the dot operator), e.g.:
 771 <!--l. 430--><p class="noindent" ><span
 772 class="cmtt-9">source cross-compile.env dm7080</span>
 773 <!--l. 432--><p class="noindent" >The script may be called from any location, but must reside inside the OpenDreambox
 774 Git tree. You may want to create a symlink to <span
 775 class="cmtt-9">cross-compile.env </span>somewhere in your
 776 <span
 777 class="cmtt-9">PATH</span>.
 778 <!--l. 435--><p class="noindent" >
 779 <h4 class="subsectionHead"><span class="titlemark">7.2   </span> <a
 780  id="x1-350007.2"></a>Coding style</h4>
 781 <!--l. 436--><p class="noindent" >Run <span
 782 class="cmtt-9">scripts/do</span><span
 783 class="cmtt-9">_stylize.sh </span>on new recipes to ensure proper coding style.
 784 <!--l. 438--><p class="noindent" >
 785 <h4 class="subsectionHead"><span class="titlemark">7.3   </span> <a
 786  id="x1-360007.3"></a>Package architecture</h4>
 787 <!--l. 439--><p class="noindent" >Set <span
 788 class="cmtt-9">PACKAGE</span><span
 789 class="cmtt-9">_ARCH = "$</span><span
 790 class="cmsy-9">{</span><span
 791 class="cmtt-9">MACHINE</span><span
 792 class="cmtt-9">_ARCH</span><span
 793 class="cmsy-9">}</span><span
 794 class="cmtt-9">" </span>if either condition is met:
 795      <ul class="itemize1">
 796      <li class="itemize">The     recipe     uses     <span
 797 class="cmtt-9">COMBINED</span><span
 798 class="cmtt-9">_FEATURES</span>,     <span
 799 class="cmtt-9">MACHINE</span><span
 800 class="cmtt-9">_FEATURES    </span>or
 801      <span
 802 class="cmtt-9">DREAMBOX</span><span
 803 class="cmtt-9">_FEATURES</span>.
 804      </li>
 805      <li class="itemize">The recipe is part of <span
 806 class="cmtt-9">meta-bsp</span>.</li></ul>
 807
 808
 809
 810 <!--l. 445--><p class="noindent" >
 811 <h3 class="sectionHead"><span class="titlemark">8   </span> <a
 812  id="x1-370008"></a>Bug reports and patches</h3>
 813 <!--l. 447--><p class="noindent" >Please send bug reports and patches to the Enigma2 development mailing list
 814 <span
 815 class="cmtt-9">&#x003C;enigma2-devel@lists.elitedvb.net&#x003E;</span>.
 816 <!--l. 449--><p class="noindent" >A comfortable way to create patches is to use <span
 817 class="cmtt-9">git format-patch</span>, after all changes
 818 have been committed to your local copy of the repository.
 819
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