<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">Hi!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">I'm trying to install RTEMS on Ubuntu. I follow the instructions here <a href="https://ftp.rtems.org/pub/rtems/releases/5/5.1" class="gmail-uri">https://ftp.rtems.org/pub/rtems/releases/5/5.1</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000">After trying to build the tools:</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small;color:#000000"><pre><code>../source-builder/sb-set-builder \
  --prefix=/development/rtems/5.1 \
  5/rtems-sparc<br><br></code></pre><pre><code><font face="arial,sans-serif">I get this error:<br><br>RTEMS Source Builder - Set Builder, 5.1<br>error: exe: not found: (__bison) /usr/bin/bison<br>error: exe: not found: (__flex) /usr/bin/flex<br>error: exe: not found: (__makeinfo) /usr/bin/makeinfo<br>error: host build environment is not set up correctly<br>Build FAILED<br></font></code></pre><pre><code><font face="arial,sans-serif">I also tried to follow this tutorial <a href="https://ftp.rtems.org/pub/rtems/releases/5/5.1/docs/html/user/start/sources.html">https://ftp.rtems.org/pub/rtems/releases/5/5.1/docs/html/user/start/sources.html</a>, but there is no <a href="https://ftp.rtems.org/pub/rtems/releases/5/5.1.0">https://ftp.rtems.org/pub/rtems/releases/5/5.1.0</a>,<br></font></code></pre><pre><code><font face="arial,sans-serif">only 5.0.0 and 5.1.<br></font></code></pre><pre><code><font face="arial,sans-serif">So I ran $ wget <a href="https://ftp.rtems.org/pub/rtems/releases/5/5.1/rtems-source-builder-5.1.tar.xz">https://ftp.rtems.org/pub/rtems/releases/5/5.1/rtems-source-builder-5.1.tar.xz</a> | tar xJf -<br></font></code></pre><pre><code><font face="arial,sans-serif">and got this error:<br><br>--2021-03-09 18:39:11--  <a href="https://ftp.rtems.org/pub/rtems/releases/5/5.1/rtems-source-builder-5.1.tar.xz">https://ftp.rtems.org/pub/rtems/releases/5/5.1/rtems-source-builder-5.1.tar.xz</a><br>Resolving <a href="http://ftp.rtems.org">ftp.rtems.org</a> (<a href="http://ftp.rtems.org">ftp.rtems.org</a>)... 140.211.10.151<br>Connecting to <a href="http://ftp.rtems.org">ftp.rtems.org</a> (<a href="http://ftp.rtems.org">ftp.rtems.org</a>)|140.211.10.151|:443... connected.<br>HTTP request sent, awaiting response... 404 Not Found<br>2021-03-09 18:39:12 ERROR 404: Not Found.<br><br>xz: (stdin): File format not recognized<br>tar: Child returned status 1<br>tar: Error is not recoverable: exiting now<br><br></font></code></pre><pre><code><font face="arial,sans-serif">What am I doing wrong? I would highly appreciate any help.</font></code></pre><pre><code><br></code></pre><pre><code><br></code></pre></div></div>