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<h3 class="section">10.2 Compiling and Installing the Source Code Distribution</h3>
<blockquote>
<b>BUG:</b> This section is out of date. <code>Geomview</code> follows the
GNU-installation habits, data goes to <samp><span class="file">PREFIX/share/geomview/</span></samp>,
user executables to <samp><span class="file">PREFIX/bin/</span></samp>, private executables to
<samp><span class="file">PREFIX/libexec/geomview/</span></samp>, libraries to <samp><span class="file">PREFIX/lib/</span></samp> where
<code>PREFIX</code> denotes the installation prefiex specified for the
<samp><span class="file">TOPSRCDIR/configure</span></samp> script. Please have a look at the files
<samp><span class="file">TOPSRCDIR/INSTALL</span></samp> and <samp><span class="file">TOPSRCDIR/INSTALL.Geomview</span></samp> for
installation instructions.
</blockquote>
<p>The main reason to get the source code distribution is to look at and/or
work with the source code. If you are only concered with <em>using</em>
Geomview it is better to get the binary distribution. It takes anywhere
from a few minutes to an hour or more to compile the entire source
distribution, depending on what kind of computer you have.
<p>Let <samp><span class="file">$GEOMROOT</span></samp> denote the full pathname of the Geomview source
code directory; this is the directory called <samp><span class="file">Geomview</span></samp> that is
created when you unpack the distribution. This directory contains the
Geomview source code as well as various other files and subdirectories
that Geomview needs when it runs.
<p>Before doing any compilation you should edit the file
<samp><span class="file">$GEOMROOT/makefiles/mk.site.default</span></samp>. This file defines some
<code>make</code> variables which specify your local configuration. This
includes the pathnames of the directories into which Geomview will be
installed, and possibly some other settings as well. There are comments
in the file telling you what to do. This file is included by every
Makefile in the source tree, so the settings you specify here are used
throughout the source.
<p>If you will be compiling for multiple systems, you can do them all in the
same directory tree. By default the Makefiles are set up to put the
objects files, libraries, and executables in directories which depend on
the type of computer, so the two architectures will not interfere with
each other. The Makefiles use a variable called <code>CPU</code> to determine
the type of machine. Before doing any compilation you must arrange for
this variable to have a value. There are two ways you can do this.
<ol type=1 start=1>
<li>
If you will always be compiling Geomview on the same type of computer
edit the file <samp><span class="file">$GEOMROOT/makefiles/Makedefs.global</span></samp> to set the
<code>CPU</code> variable to one of the values <samp><span class="file">linux</span></samp>, <samp><span class="file">FreeBSD</span></samp>,
<samp><span class="file">sgi</span></samp>, <samp><span class="file">hpux</span></samp>, <samp><span class="file">hpux-gcc</span></samp>, <samp><span class="file">solaris</span></samp>, <samp><span class="file">sun4os4</span></samp>
(for Suns with SunOS 4, not Solaris), <samp><span class="file">rs6000</span></samp>,
or <samp><span class="file">alpha</span></samp>. If you're using a type of system not in this
list, make up a new value for CPU, and write a <samp><span class="file">mk.<CPU></span></samp> file
for it patterned
after the other <samp><span class="file">mk.*</span></samp> in the <samp><span class="file">makefiles</span></samp> subdirectory.
<li>If you will be compiling on more than one type of computer you can set a
shell environment variable named <code>CPU</code> to one of the values above
and the Makefiles will inherit the value from the environment.
</ol>
<p class="noindent">Note that many of the Makefiles refer to a variable called
<code>MACHTYPE</code>; this variable tells which type of graphics
system to compile Geomview for. The <samp><span class="file">mk.<CPU></span></samp> files
set this variable for you; in most cases its value is <samp><span class="file">x11</span></samp>,
which specifies that Geomview should be compiled for X windows.
<p>Once you have configured your source tree by editing the files as
described above and setting the <code>CPU</code> variable, you can compile and
install Geomview by typing <code>make install</code> in the <samp><span class="file">$GEOMROOT</span></samp>
directory. You can also type <code>make all</code>, or equivalently just
<code>make</code>, to compile without installing, and then type <code>make
install</code> later to install.
<p>You can use these same <code>make</code> comands in any subdirectory in the
tree to recompile and/or install a part of Geomview or a module.
<p>If you want to modify the complier flags used during compilation, edit
the file <samp><span class="file">$GEOMROOT/makefiles/Makedefs.global</span></samp>; the <code>COPTS</code>
variable specifies the flags passed to the C compiler (cc).
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