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<p style="margin: 0px 0px 1.2em ! important;">Hi all,</p>
<p style="margin: 0px 0px 1.2em ! important;">in light of <a
href="http://liste.sslmit.unibo.it/pipermail/cwb/2017-November/002953.html">this
recent thread</a> re: compiling CWB from source, it occurred
to me it might be useful to create a CWB package for <a
href="http://spack.readthedocs.io/">Spack</a>. Spack is a
cross-platform package manager which builds software from
source, <strong>automatically resolving dependencies</strong>
so you don’t have to. A second advantage is that <strong>it
doesn’t need to run with admin privileges</strong>. You just
need Git and a fairly recent version of Python 2 (preferably,
Python 3 works as well but you might hit snags).</p>
<p style="margin: 0px 0px 1.2em ! important;">I added <code style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;">cwb</code>
and <code style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;">cwb-perl</code>
packages to a fork of Spack I maintain, so installing trunk CWB
can now be done like this:</p>
<pre style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;font-size: 1em; line-height: 1.2em;margin: 1.2em 0px;"><code class="hljs language-sh" style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;white-space: pre; overflow: auto; border-radius: 3px; border: 1px solid rgb(204, 204, 204); padding: 0.5em 0.7em; display: block ! important;display: block; overflow-x: auto; padding: 0.5em; background: rgb(63, 63, 63) none repeat scroll 0% 0%; color: rgb(220, 220, 220); -moz-text-size-adjust: none;">git clone --depth <span class="hljs-number" style="color: rgb(140, 208, 211);">1</span> <a class="moz-txt-link-freetext" href="https://github.com/dlukes/spack.git">https://github.com/dlukes/spack.git</a>
<span class="hljs-built_in" style="color: rgb(204, 147, 147);">cd</span> spack
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># cwb is installed automatically as a dependency of cwb-perl</span>
./bin/spack install cwb-perl
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># symlink the cwb-perl package into perl</span>
./bin/spack activate cwb-perl
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># create a prefix where all relevant binaries will be symlinked</span>
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># (change /path/to/prefix to a directory of your choice)</span>
./bin/spack view symlink /path/to/prefix cwb-perl
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># update your PATH</span>
<span class="hljs-keyword" style="color: rgb(227, 206, 171);">export</span> PATH=<span class="hljs-string" style="color: rgb(204, 147, 147);">"/path/to/prefix/bin:<span class="hljs-variable" style="color: rgb(239, 220, 188);">$PATH</span>"</span>
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># use cwb</span>
cwb-encode ...
cwb-make ...
cqp ...
</code></pre>
<p style="margin: 0px 0px 1.2em ! important;">A practical note:
when testing this on Arch Linux, I found out that flex 2.6.4
doesn’t compile on my system. Fortunately, with Spack, you can
request a specific version of a dependency:</p>
<pre style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;font-size: 1em; line-height: 1.2em;margin: 1.2em 0px;"><code class="hljs language-sh" style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;white-space: pre; overflow: auto; border-radius: 3px; border: 1px solid rgb(204, 204, 204); padding: 0.5em 0.7em; display: block ! important;display: block; overflow-x: auto; padding: 0.5em; background: rgb(63, 63, 63) none repeat scroll 0% 0%; color: rgb(220, 220, 220); -moz-text-size-adjust: none;"><span class="hljs-comment" style="color: rgb(127, 159, 127);"># list information about the flex package in Spack, including</span>
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># available versions</span>
./bin/spack info flex
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># install cwb-perl with specific version of flex</span>
./bin/spack install <span class="hljs-string" style="color: rgb(204, 147, 147);">'<a class="moz-txt-link-abbreviated" href="mailto:cwb-perl^flex@2.6.3">cwb-perl^flex@2.6.3</a>'</span>
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># etc.</span>
</code></pre>
<p style="margin: 0px 0px 1.2em ! important;">If you’d rather use
Spack’s <a href="https://github.com/LLNL/spack">official
repository</a> (though my fork differs only slightly), you
can, just manually add the <code style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;">cwb</code>
and <code style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;">cwb-perl</code>
package definitions where they belong in Spack’s directory tree:</p>
<pre style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;font-size: 1em; line-height: 1.2em;margin: 1.2em 0px;"><code class="hljs language-sh" style="font-size: 0.85em; font-family: Consolas,Inconsolata,Courier,monospace;margin: 0px 0.15em; padding: 0px 0.3em; white-space: pre-wrap; border: 1px solid rgb(234, 234, 234); background-color: rgb(248, 248, 248); border-radius: 3px; display: inline;white-space: pre; overflow: auto; border-radius: 3px; border: 1px solid rgb(204, 204, 204); padding: 0.5em 0.7em; display: block ! important;display: block; overflow-x: auto; padding: 0.5em; background: rgb(63, 63, 63) none repeat scroll 0% 0%; color: rgb(220, 220, 220); -moz-text-size-adjust: none;">git clone --depth <span class="hljs-number" style="color: rgb(140, 208, 211);">1</span> <a class="moz-txt-link-freetext" href="https://github.com/LLNL/spack.git">https://github.com/LLNL/spack.git</a>
<span class="hljs-built_in" style="color: rgb(204, 147, 147);">cd</span> spack
mkdir -p var/spack/repos/builtin/packages/{cwb,cwb-perl}
cwb=var/spack/repos/builtin/packages/cwb/package.py
cwb_perl=var/spack/repos/builtin/packages/cwb-perl/package.py
curl <a class="moz-txt-link-freetext" href="https://raw.githubusercontent.com/dlukes/spack/develop/">https://raw.githubusercontent.com/dlukes/spack/develop/</a><span class="hljs-variable" style="color: rgb(239, 220, 188);">$cwb</span> -o <span class="hljs-variable" style="color: rgb(239, 220, 188);">$cwb</span>
curl <a class="moz-txt-link-freetext" href="https://raw.githubusercontent.com/dlukes/spack/develop/">https://raw.githubusercontent.com/dlukes/spack/develop/</a><span class="hljs-variable" style="color: rgb(239, 220, 188);">$cwb_perl</span> -o <span class="hljs-variable" style="color: rgb(239, 220, 188);">$cwb_perl</span>
./bin/spack install cwb-perl
<span class="hljs-comment" style="color: rgb(127, 159, 127);"># etc.</span>
</code></pre>
<p style="margin: 0px 0px 1.2em ! important;">Note that if you
have a working setup for installing CWB from source, you might
as well keep using it :) But if you’re starting from scratch,
you might find this easier, depending on circumstances. If this
method doesn’t work for you, let me know via the <a
href="https://github.com/dlukes/spack/issues/new">issue
tracker</a> on GitHub.</p>
<p style="margin: 0px 0px 1.2em ! important;">Best,</p>
<p style="margin: 0px 0px 1.2em ! important;">David</p>
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