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| 1 | <html> | ||
| 2 | <head> | ||
| 3 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> | ||
| 4 | <title>5.2.20. build/tmp/work/</title> | ||
| 5 | <link rel="stylesheet" type="text/css" href="../book.css"> | ||
| 6 | <meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> | ||
| 7 | <link rel="home" href="index.html" title="The Yocto Project Reference Manual"> | ||
| 8 | <link rel="up" href="structure-build.html" title="5.2. The Build Directory - build/"> | ||
| 9 | <link rel="prev" href="structure-build-tmp-pkgdata.html" title="5.2.19. build/tmp/pkgdata/"> | ||
| 10 | <link rel="next" href="structure-meta.html" title="5.3. The Metadata - meta/"> | ||
| 11 | </head> | ||
| 12 | <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="section" title="5.2.20. build/tmp/work/"> | ||
| 13 | <div class="titlepage"><div><div><h3 class="title"> | ||
| 14 | <a name="structure-build-tmp-work"></a>5.2.20. <code class="filename">build/tmp/work/</code> | ||
| 15 | </h3></div></div></div> | ||
| 16 | <p> | ||
| 17 | This directory contains architecture-specific work sub-directories for packages built by BitBake. | ||
| 18 | All tasks execute from a work directory. | ||
| 19 | For example, the source for a particular package is unpacked, patched, configured and compiled all | ||
| 20 | within its own work directory. | ||
| 21 | Within the work directory, organization is based on the package group for which the source | ||
| 22 | is being compiled. | ||
| 23 | </p> | ||
| 24 | <p> | ||
| 25 | It is worth considering the structure of a typical work directory. | ||
| 26 | As an example, consider the <code class="filename">linux-yocto-kernel-3.0</code> | ||
| 27 | on the machine <code class="filename">qemux86</code> | ||
| 28 | built within the Yocto Project. | ||
| 29 | For this package, a work directory of | ||
| 30 | <code class="filename">tmp/work/qemux86-poky-linux/linux-yocto-3.0+git1+<.....></code>, | ||
| 31 | referred to as <code class="filename"><a class="link" href="ref-variables-glos.html#var-WORKDIR" title="WORKDIR">WORKDIR</a></code>, is created. | ||
| 32 | Within this directory, the source is unpacked to | ||
| 33 | <code class="filename">linux-qemux86-standard-build</code> and then patched by Quilt | ||
| 34 | (see the | ||
| 35 | "<a class="link" href="../dev-manual/using-a-quilt-workflow.html" target="_self">Modifying Package | ||
| 36 | Source Code with Quilt</a>" section in the Yocto Project Development Manual. | ||
| 37 | Within the <code class="filename">linux-qemux86-standard-build</code> directory, | ||
| 38 | standard Quilt directories <code class="filename">linux-3.0/patches</code> | ||
| 39 | and <code class="filename">linux-3.0/.pc</code> are created, | ||
| 40 | and standard Quilt commands can be used. | ||
| 41 | </p> | ||
| 42 | <p> | ||
| 43 | There are other directories generated within WORKDIR. | ||
| 44 | The most important directory is WORKDIR<code class="filename">/temp/</code>, which has log files for each | ||
| 45 | task (<code class="filename">log.do_*.pid</code>) and contains the scripts BitBake runs for | ||
| 46 | each task (<code class="filename">run.do_*.pid</code>). | ||
| 47 | The WORKDIR<code class="filename">/image/</code> directory is where "make | ||
| 48 | install" places its output that is then split into sub-packages | ||
| 49 | within WORKDIR<code class="filename">/packages-split/</code>. | ||
| 50 | </p> | ||
| 51 | </div></body> | ||
| 52 | </html> | ||