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4 <TITLE> Code Management and Installation for AliRoot </TITLE>
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21 <img alt="Alice" src="gif/Logo.gif" width="60" height="60"
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25 Alice Off-Line Project
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42
43<BR>
44<BR><H1>Installation & Distribution</H1>
45<P><HR>
46<H2>Content</H2>
47
48<OL>
49<LI><A HREF="#1">Code management</A>
50<LI><A HREF="#2">Release Policy</A>
51<LI><A HREF="#3">Porting and availability</A>
52<LI><A HREF="#4">Installation</A>
53</OL>
54
55<HR>
56<BR>
57<H2><A NAME="1">1. Code Management</A></H2>
58
59<P>The code is maintained as a set of files and headers assembled via a
60Makefile. We realise that this configuration is not satisfactory, and we
61will migrate to a more coherent code management scheme in due time.
62
63
64<!======================================================================>
65<BR><BR><HR>
66<A NAME="2">
67<H2>2. Release Policy</H2>
68
69<P>It is the responsibility of the different detector groups to maintain
70and develop the different modules describing the Alice detectors. The
71modular structure of the code has been developed to reflect this fact, and
72changes in one module should not affect the others.
73
74<P>New modules can be provided, incorporated and tested within the AliRoot
75framework. These should then be submitted and incorporated into the
76centrally maintained filebase.
77
78<P>Any query or proposal for a change in the code can be addressed to the
79<A HREF="mailto:alice-sim@alice-lb.cern.ch">Alice Simulation Mailing
80List</A>. Portions of code have to be sent to the <A
81HREF="mailto:Frederico.Carminati@cern.ch">current maintainer</A> who has
82the task to introduce them in the official code for the next release.
83
84<P>For the moment we do not use any version control for the code. It is
85expected that a version control mechanism will be soon put in place in the
86framework of the Alice Offline Software. Then AliRoot package will be
87maintained via this control mechanism.
88
89<P> We expect the code to evolve rapidly, as the TDR studies will require
90frequent modifications and updates, so we have decided to reserve the right
91to release a new version up to once a week.
92
93<P>The AliRoot framework will support an <A HREF="
94http://home.cern.ch/~ivana/AliceG4/AG4Presentations/AliceWeekMar99/index.html">
95interface</A> to Geant4. Reconstruction and analysis of simulated events
96are also supported by AliRoot.
97
98<!======================================================================>
99<BR><BR><HR>
100<A NAME="3">
101<H2>3. Status and availability</H2>
102
103<P>The code is installed at CERN on the
104<a href="http://wwwinfo.cern.ch/dis/ues/services/ion/service.html">ION
105Work Group Server</a>. The ALICE environment is automatically setup at login
106time, so users can immediately start using the code. Both a HP-UX and a Linux
107versions are installed.
108
109<p>All the code and the related material is available in the directory
110pointed by the variable $ALICE_ROOT. The AliRoot package needs the few
111packages and routines from the CERN Library. These are contained in a
112reduced subset of the CERN Library available from the ALICE distribution.
113
114<p>Users who do not have access to afs or who want to have a local installation
115of the ALICE software should install the code locally according to the
116procedure described in the next chapter.
117
118<p>As of writing the code has been tested on HP-UX 10.2, Linux 5.1 and
119Solaris. Porting to other platforms and compilers will take place.
120
121
122
123<!======================================================================>
124<BR><BR><HR>
125<A NAME="4"><H2>4. Installation Procedure </H2>
126
127<p>In order to install the code, the following steps should be performed:
128
129<br><ol>
130
131<p><li>Install <a href="http://root.cern.ch">ROOT</a> and define the necessary
132symbols correctly.
133
134<p><li>Decide in which directory you will install the ALICE sofware. We will
135indicate it with <i>directory</i>
136
137<p><li>Define the following global variables in the login script
138
139<p><table align=centre border=yes>
140<tr><th>variable</th><th>value</th></tr>
141<tr><td width=30%>ALICE </td><td> <i>directory</i>
142<tr><td>ALICE_LEVEL </td><td> pro </td></tr>
143<tr><td>ALICE_ROOT </td><td> $ALICE/$ALICE_LEVEL </td></tr>
144<tr><td>ALICE_TARGET </td><td> `uname`
145(i.e. result of the Unix <b>uname</b> command)</td></tr>
146<tr><td>
147LD_LIBRARY_PATH<BR>SHLIB_PATH </td>
148<td> $LD_LIBRARY_PATH\:$ALICE_ROOT/lib (on all systems) <br>
149$SHLIB_PATH\:$ALICE_ROOT/lib (on hpux) </td></tr>
150</td></tr>
151<tr><td>PATH </td><td> $PATH\:$ALICE_ROOT/bin </td></tr>
152</table>
153
154<p>At this point you should logout, login again and check that the symbols
155are set correctly.
156
157<p><li>Get the file <a href="file:/afs/cern.ch/alice/offline/AliOffline3.01.tar.gz">/afs/cern.ch/alice/offline/AliOffline3.01.tar.gz</a>
158
159<p><li>Unpack it with
160
161<p>
162<pre>
163$ cd $ALICE
164$ gtar xvfz AliOffline3.01.tar.gz
165</pre>
166
167<p><li>install the CERN library part
168
169<p><pre>
170$ cd $ALICE_ROOT
171$ gmake cernlibs
172</pre>
173
174<p><li>Install the ALICE specific software
175
176<p><pre>
177$ cd $ALICE_ROOT
178$ gmake
179</pre>
180
181<p><li>Copy the file $ALICE_ROOT/.rootrc to your home directory
182
183<p><li>Change to your home directory and run the code
184
185<p>
186<pre>
187$ cd
188$ aliroot
189
190<output from aliroot>
191
192root [1] .x menu.C
193</pre>
194</ol>
195
196
197<!===========================================================================>
198<P>
199<BR>
200<HR size=4>
201<BR>
202Page maintained by:
203<A HREF="mailto:Yiota.Foka@cern.ch">Yiota Foka</A>
204<BR>
205Back to:
206<A HREF="http://www1.cern.ch/ALICE">ALICE home,</A>
207<A HREF="http://www1.cern.ch/ALICE/Projects/offline">Offline home</A>
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