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<h2 id="getting-started-ubuntu-debuildpdebuild">Getting Started: Ubuntu Debuild/Pdebuild</h2>
<p>In order to control how pdebuild/debuild build, you need to edit files in <code>${nnstreamer-source}/debian/</code>.</p>
<h3 id="pdebuild-a-sandboxed-build-environment-ubuntu-1804-2004">Pdebuild, a sandboxed build environment. (Ubuntu 18.04, 20.04)</h3>
<p>This guide uses the nnstreamer PPA to resolve additional build-dependencies (e.g., tensorflow/tensorflow-lite 1.13).</p>
<p>Install build tools for pdebuild:</p>
<pre><code class="language-bash">$ sudo apt install pbuilder debootstrap devscripts
</code></pre>
<p>The following example configuration is for Ubuntu 18.04:</p>
<pre><code class="language-bash">$ cat ~/.pbuilderrc
DISTRIBUTION=bionic
COMPONENTS="main restricted universe multiverse"
OTHERMIRROR="deb http://archive.ubuntu.com/ubuntu bionic main restricted universe multiverse |\
deb http://archive.ubuntu.com/ubuntu bionic-security main restricted universe multiverse |\
deb http://archive.ubuntu.com/ubuntu bionic-updates main restricted universe multiverse |\
deb [trusted=yes] http://ppa.launchpad.net/nnstreamer/ppa/ubuntu bionic main |\
deb [trusted=yes] http://ppa.launchpad.net/one-runtime/ppa/ubuntu bionic main"
$ sudo ln -s ~/.pbuilderrc /root/.pbuilderrc
$ sudo pbuilder create
</code></pre>
<p>Run pdebuild to build and get the package.</p>
<pre><code class="language-bash">$ pdebuild
$ ls -al /var/cache/pbuilder/result/*.deb
</code></pre>
<p>Then, you may install the resulting .deb files to your system.</p>
<p>Refer to <a href="https://wiki.ubuntu.com/PbuilderHowto">PbuilderHowto</a> for more about pdebuild.</p>
<h3 id="debuild-build-with-system-libraries-ubuntudebian">Debuild, build with system libraries. (Ubuntu/Debian)</h3>
<p>After installing all the required packages to your system, you may run <code>debuild</code> to get .deb packages.</p>
<p>In Ubuntu, you may prepare your system easily with the following commands, which installs prebuilt binaries from nnstreamer's PPA repository.</p>
<pre><code class="language-bash">$ sudo apt-add-repository ppa:nnstreamer/ppa
$ sudo add-apt-repository ppa:one-runtime/ppa
$ sudo apt install ssat tensorflow-dev tensorflow-lite-dev libprotobuf-dev nnfw-dev # you may add pytorch and other libraries, too
</code></pre>
<p>Note that ssat is required for unit testing. You may download it at <a href="https://github.com/myungjoo/SSAT">Github SSAT</a>.</p>
<p>Refer to <a href="https://www.debian.org/doc/manuals/maint-guide/build.en.html#debuild">debuild command</a> for how to use <code>debuild</code>.</p>
<p><em><strong>1. Clone the needed repositories</strong></em></p>
<p>You may skip this if you have downloaded and installed PPA packages of SSAT and tensorflow.</p>
<pre><code class="language-bash">$ git clone https://github.com/myungjoo/SSAT ssat
$ git clone https://git.tizen.org/cgit/platform/upstream/tensorflow
$ git clone https://github.com/nnstreamer/nnstreamer
</code></pre>
<p><em><strong>2. Fix tensorflow build errors</strong></em></p>
<p>You may skip this if you have downloaded and installed PPA packages of SSAT and tensorflow.</p>
<p>A script, <code>tensorflow/contrib/lite/Makefile</code>, may fail, depending your shell.
Replace the ARCH macro (HOST_ARCH in some versions):</p>
<p>From:</p>
<pre><code class="language-makefile">ARCH := $(shell if [[ $(shell uname -m) =~ i[345678]86 ]]; then echo x86_32; else echo $(shell uname -m); fi)
</code></pre>
<p>To:</p>
<pre><code class="language-makefile">ARCH := $(shell uname -m | sed -e 's/i[3-8]86/x86_32/')
</code></pre>
<p><em><strong>3. Prepare for debuild (installing required dependencies).</strong></em></p>
<p>Skip ssat and tensorflow if you have already installed them.</p>
<pre><code class="language-bash">$ for i in ssat tensorflow nnstreamer; do \
(cd $i && sudo mk-build-deps --install debian/control && sudo dpkg -i *.deb || break); \
done
</code></pre>
<p><em><strong>4. Run debuild and get .deb packages.</strong></em></p>
<p>Skip ssat and tensorflow if you have already installed them.</p>
<pre><code class="language-bash">$ export DEB_BUILD_OPTIONS="parallel=$(($(cat /proc/cpuinfo |grep processor|wc -l) + 1))"
$ for i in ssat tensorflow nnstreamer; do \
(cd $i && time debuild -us -uc || break); \
done
</code></pre>
<p>If there is a missing package, debuild will tell you which package is missing.
If you haven't configured debuild properly, yet, you will need to add <code>-uc -us</code> options to <code>debuild</code>.</p>
<p><em><strong>5. Install the generated .deb files.</strong></em></p>
<p>Skip ssat and tensorflow if you have already installed them.</p>
<p>The files will be there at the parent dir. E. g. at nnbuilder/.. directory.</p>
<p>In order to install them (should run as root):</p>
<pre><code class="language-bash">$ sudo apt install ./ssat_*.deb ./tensorflow-lite-dev_*.deb ./tensorflow-dev_*.deb
$ sudo apt install ./nnstreamer_0.1.0-1rc1_amd64.deb
</code></pre>
<p>If you need nnstreamer development package:</p>
<pre><code class="language-bash">#apt install ./nnstreamer-dev_0.1.0-1rc1_amd64.deb
</code></pre>
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