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"Final" manual
2002-02-16 19:58:34 +00:00
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<h2 class="chapterHead"><span class="titlemark">Chapter&nbsp;2</span><br><a
href="getstart.html#QQ2-6-10" name="x6-100002">Building the plane: Compiling the program</a></h2>
<!--l. 33--><p class="noindent">This central chapter describes how to build <span
class="ptmbi7t---109">FlightGear </span>on several systems. In case you
are on a Win32 (i. e. Windows95/98/ME/NT/2000/XP) platform or any of the other
platforms which binary executables are available for, you may not want to go though that
potentially troublesome process but skip that chapter instead and straightly
go to the next one. (Not everyone wants to build his or her plane himself or
herself, right?) However, there may be good reason for at least trying to build the
simulator:
<ul class="itemize1">
<li class="itemize">In case you are on a UNIX<a
name="dx6-10001"></a>/Linux<a
name="dx6-10002"></a> platform there may be no pre-compiled
binaries<a
name="dx6-10003"></a> available for your system. In practice it is common to install
programs like this one on UNIX<a
name="dx6-10004"></a> systems by recompiling them.
</li>
<li class="itemize">There are several options you can set during compile time only.
</li>
<li class="itemize">You may be proud you did.</li></ul>
<!--l. 51--><p class="noindent">On the other hand, compiling <span
class="ptmbi7t---109">FlightGear </span>is not a task for novice users. Thus, if you&#8217;re a
beginner (we all were once) on a platform which binaries<a
name="dx6-10005"></a> are available for, we
recommend postponing this task and just starting with the binary distribution<a
name="dx6-10006"></a> to get you
flying.
<!--l. 56--><p class="indent"> As you will notice, this Chapter is far from being complete. Basically, we describe
compiling for two operating systems only, Windows<a
name="dx6-10007"></a> and Linux<a
name="dx6-10008"></a>, and for only one
compiler, the GNU C compiler. <span
class="ptmbi7t---109">FlightGear </span>has been shown to be built under different
compilers (including Microsoft Visual C) as well as different systems (Macintosh) as
well. The reason for these limitations are:
<ul class="itemize1">
<li class="itemize">Personally, we have access to a Windows machine running the Cygnus
compiler only.
</li>
<li class="itemize">According to the mailing lists, these seem to be the systems with the largest
user base.
</li>
<li class="itemize">These are the simplest systems to compile <span
class="ptmbi7t---109">FlightGear </span>on. Other compilers
may need special add-ons (workplace etc.) or even modification of the code.
</li>
<li class="itemize">The GNU compiler is free in the same sense of the GPL as <span
class="ptmbi7t---109">FlightGear </span>is.</li></ul>
<!--l. 70--><p class="noindent">You might want to check Section <a
href="getstartap1.html#x12-52000A">A<!--tex4ht:ref: missed--></a>, <span
class="ptmri7t---109">Missed approach</span>, if anything fails during
compilation. In case this does not help we recommend sending a note to one of the
mailing lists (for hints on subscription see Chapter <a
href="getstartap3.html#x14-66000C">C<!--tex4ht:ref: landing--></a>).
<!--l. 73--><p class="indent"> There are several Linux distributions<a
name="dx6-10009"></a> on the market, and most of them should work.
Some come even bundled with (often outdated) versions of <span
class="ptmbi7t---109">FlightGear</span>. However, if you
are going to download or buy a distribution, Debian<a
name="dx6-10010"></a> (Woody) is suggested by most
people. SuSE<a
name="dx6-10011"></a> works well, too.
<!--l. 77--><p class="indent"> Contrary to Linux/Unix systems, Windows usually comes without any development
tools. This way, you first have to install a development environment. On Windows, in a
sense, before building the plane you will have to build the plant for building planes.
This will be the topic of the following section, which can be omitted by Linux
users.
<h3 class="sectionHead"><span class="titlemark">2.1</span> <a
href="getstart.html#QQ2-6-11" name="x6-110002.1">Getting a development environment under Windows</a></h3>
<!--l. 86--><p class="noindent">There is a powerful development environment available for Windows and this
even for free: The Cygnus development tools,<a
name="dx6-11001"></a> resp. <span
class="ptmbi7t---109">Cygwin</span>. Their home is at
<!--l. 91--><p class="indent"> <a
href="http://sources.redhat.com/cygwin/" >http://sources.redhat.com/cygwin/</a>,
<!--l. 94--><p class="noindent">and it is always a good idea to check back what is going on there now and then.
<!--l. 97--><p class="indent"> Nowadays, installing <span
class="ptmbi7t---109">Cygwin</span><a
name="dx6-11002"></a> is nearly automatic. First, make sure the drive you want
<span
class="ptmbi7t---109">Cygwin</span>, <span
class="ptmbi7t---109">PLIB</span>, <span
class="ptmbi7t---109">SimGear </span>and <span
class="ptmbi7t---109">FlightGear </span>to live on, has nearly 1 GB of free disk space<a
name="dx6-11003"></a>.
Create a temporary directory and download the installer from the site named
above to that directory. (While the installer does an automatic installation of the
Cygnus environment, it is a good idea to download a new installer from time to
time.)
<!--l. 104--><p class="indent"> Invoke the installer now. It gives you three options. To avoid having to download
stuff twice in case of a re-installation or installation on a second machine, we highly
recommended to take a two-step procedure. First, select the option <span
class="pcrr7t---109">Download</span>
<span
class="pcrr7t---109">from Internet</span>. Insert the path of your temporary directory, your Internet
connection settings and then choose a mirror form the list. Near servers might
be preferred, but may be sometimes a bit behind with mirroring. We found
<!--l. 112--><p class="indent"> <a
href="ftp://mirrors.rcn.net" >ftp://mirrors.rcn.net</a>
<!--l. 115--><p class="noindent">a very recent and fast choice. In the next windows the default settings are usually a good
start. Now choose <span
class="pcrr7t---109">Next</span>, sit back and wait.
<!--l. 119--><p class="indent"> If you are done, invoke the installer another time, now with the option <span
class="pcrr7t---109">Install</span>
<span
class="pcrr7t---109">from local directory</span>. After confirming the temporary directory you can
select a root directory (acting as the root directory of your pseudo UNIX file
system). Cygnus does not recommend taking the actual root directory of a drive,
thus choose <span
class="pcrr7t---109">c:/Cygwin </span>(while other drives than <span
class="pcrr7t---109">c: </span>work as well). Now, all
<span
class="ptmbi7t---109">Cygwin </span>stuff and all <span
class="ptmbi7t---109">FlightGear </span>stuff lives under this directory. In addition,
select
<!--l. 125--><p class="indent"> <span
class="pcrr7t---109">Default text file type: Unix</span>
<!--l. 127--><p class="indent"> You are free to install the compiler for all users or just for you.
<!--l. 129--><p class="indent"> As a final step you should include the binary directory<a
name="dx6-11004"></a> (for instance:
<span
class="pcrr7t---109">c:/Cygwin/bin</span>) into your path by adding <span class="obeylines-h"><span
class="pcrr7t---109">path=c:\Cygwin\bin</span></span> in your
<span
class="pcrr7t---109">autoexec.bat </span>under Windows 95/98/ME. Under WindowsNT/2000/XP, use the
<span
class="pcrr7t---109">Extended </span>tab under the <span
class="pcrr7t---109">System properties </span>page in Windows <span
class="pcrr7t---109">control</span>
<span
class="pcrr7t---109">panel</span>. There you&#8217;ll find a button <span
class="pcrr7t---109">Environment variables</span>, where you can add
the named directory.
<!--l. 133--><p class="indent"> Now you are done. Fortunately, all this is required only once. At this point you have a
nearly UNIX-like (command line) development environment. Because of this, the
following steps are nearly identical under Windows and Linux/Unix.
<h3 class="sectionHead"><span class="titlemark">2.2</span> <a
href="getstart.html#QQ2-6-12" name="x6-120002.2">Compiling <span
class="ptmbi7t---109">FlightGear </span>under Linux/Windows </a></h3>
<!--l. 141--><p class="noindent">A preliminary remark: For UNIX, make sure you have all necessary OpenGL libraries
first. Fortunately on all recent Linux distributions (i.e. SuSE-7.1) these are already put on
the right place. Be sure to install the proper package. Besides the basic X11
stuff you want to have - SuSE as an example - the following packages: mesa,
mesa-devel, mesasoft, xf86_glx, xf86glu, xf86glu-devel, mesaglut, mesaglut-devel and
plib.
<!--l. 147--><p class="indent"> Also you are expected to have a bunch of tools installed that are usually required to
compile the Linux kernel. So you may use the Linux kernel source package top
determine the required dependencies. The following packages might prove to be useful
when fiddling with the FlightGear sources: automake, autoconf, libtool, bison, flex and
some more, that are not required to build a Linux kernel.
<!--l. 154--><p class="indent"> Please compare the release of the Plib library with the one that ships with your Linux
distribution. It might be the case that FlightGear requires a newer one that is not yet
provided by your vendor.
<!--l. 158--><p class="indent"> Under Windows, the required libraries should have been installed with the <span
class="ptmbi7t---109">Cygwin</span>
installation above.
<!--l. 160--><p class="indent"> The following steps are identical under Linux/Unix and under Windows with minor
modifications. Under Windows, just open the <span
class="ptmbi7t---109">Cygwin </span>icon from the Start menu or from
the desktop to get a command line.
<!--l. 164--><p class="indent"> To begin with, the <span
class="ptmbi7t---109">FlightGear </span>build process is based on four packages which you
need to built and installed in this order:
<ul class="itemize1">
<li class="itemize">PLIB
</li>
<li class="itemize">SimGear
</li>
<li class="itemize">FlightGear Program
</li>
<li class="itemize">FlightGear base (data - no compilation required)</li></ul>
<ol type="1" class="enumerate1" start="1"
>
<li class="enumerate"><a
name="x6-12002x1"></a>First, choose an install directory<a
name="dx6-12003"></a> for FlightGear. This will not be the one your
binaries will live in but the one for your source code and compilation files.
We suggest
<!--l. 176--><p class="noindent"><span
class="pcrr7t---109">cd:/usr/local/</span>
<!--l. 178--><p class="noindent"><span
class="pcrr7t---109">mkdir source</span>
</li>
<li class="enumerate"><a
name="x6-12005x2"></a>Now, you have to install a support library <span
class="ptmbi7t---109">PLIB</span><a
name="dx6-12006"></a> which is absolutely essential
for the building process. <span
class="ptmbi7t---109">PLIB </span>contains most of the basic graphics rendering,
audio, and joystick routines. Download the latest stable version of <span
class="ptmbi7t---109">PLIB</span><a
name="dx6-12007"></a>
from
<!--l. 184--><p class="noindent"><a
href="http://plib.sourceforge.net/" >http://plib.sourceforge.net/</a>
<!--l. 187--><p class="noindent">to <span
class="pcrr7t---109">/usr/local/source</span>. Change to that directory and unpack <span
class="ptmbi7t---109">PLIB</span>
using
<!--l. 190--><p class="noindent"><span
class="pcrr7t---109">tar xvfz plib-X.X.X.tar.gz</span>.
<!--l. 192--><p class="noindent"><span
class="pcrr7t---109">cd </span>into <span
class="pcrr7t---109">plib-X.X.X </span>and run
<!--l. 194--><p class="noindent"><span
class="pcrr7t---109">./configure</span>
<br class="newline"><span
class="pcrr7t---109">make</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>.
<!--l. 198--><p class="noindent">Under Linux, you have to become root for being able to <span
class="pcrr7t---109">make install</span>,
for instance via the <span
class="pcrr7t---109">su </span>command.
<!--l. 201--><p class="noindent">Confirm you now have <span
class="ptmbi7t---109">PLIB</span>&#8217;s header files<a
name="dx6-12008"></a> (as <span
class="pcrr7t---109">ssg.h </span>etc.) under
<span
class="pcrr7t---109">/usr/include/plib </span>(and nowhere else).
</li>
<li class="enumerate"><a
name="x6-12010x3"></a>Next, you have to install another library <span
class="ptmbi7t---109">SimGear</span><a
name="dx6-12011"></a> containing the basic
simulation routines. Get the most recent file <span
class="pcrr7t---109">SimGear-X.X.X.tar.gz</span><a
name="dx6-12012"></a>
from
<!--l. 207--><p class="noindent"><a
href="ftp://ftp.simgear.org/pub/simgear/Source/" >ftp://ftp.simgear.org/pub/simgear/Source/</a>
<!--l. 210--><p class="noindent">Download it to <span
class="pcrr7t---109">/usr/local/source</span>. Change to that directory and
unpack <span
class="ptmbi7t---109">SimGear </span>using
<!--l. 214--><p class="noindent"><span
class="pcrr7t---109">tar xvfz SimGear-X.X.X.tar.gz</span>.
<!--l. 216--><p class="noindent"><span
class="pcrr7t---109">cd </span>into <span
class="pcrr7t---109">SimGear-X.X.X </span>and run
<!--l. 219--><p class="noindent"><span
class="pcrr7t---109">./configure</span>
<br class="newline"><span
class="pcrr7t---109">make</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>
<!--l. 223--><p class="noindent">Again, under Linux, you have to become root for being able to <span
class="pcrr7t---109">make</span>
<span
class="pcrr7t---109">install</span>, for instance via the <span
class="pcrr7t---109">su </span>command.
</li>
<li class="enumerate"><a
name="x6-12014x4"></a>Now, you&#8217;re prepared to
build <span
class="ptmbi7t---109">FlightGear </span>itself, finally. Get <span
class="pcrr7t---109">FlightGear-X.X.X.tar.gz </span>from
<!--l. 231--><p class="noindent"><a
href="ftp://www.flightgear.org/pub/flightgear/Source/" >ftp://www.flightgear.org/pub/flightgear/Source/</a>
<!--l. 234--><p class="noindent">and download it to <span
class="pcrr7t---109">/usr/local/source</span>. Unpack <span
class="ptmbi7t---109">FlightGear </span>using
<!--l. 238--><p class="noindent"><span
class="pcrr7t---109">tar xvfz FlightGear-X.X.X.tar.gz</span>.
<!--l. 241--><p class="noindent"><span
class="pcrr7t---109">cd </span>into <span
class="pcrr7t---109">FlightGear-X.X.X </span>and run
<!--l. 243--><p class="noindent"><span
class="pcrr7t---109">./configure</span>
<!--l. 246--><p class="noindent">configure<a
name="dx6-12015"></a> knows about numerous options, <a
name="dx6-12016"></a>with the more relevant ones to be
specified via switches as
<ul class="itemize1">
<li class="itemize"><span
class="pcrr7t---109">--with-network-olk</span>: Include Oliver Delise&#8217;s multi-pilot
networking support<a
name="dx6-12017"></a>,
</li>
<li class="itemize"><span
class="pcrr7t---109">--disable-network-olk</span>: Disable Oliver Delise&#8217;s multi-pilot
networking support<a
name="dx6-12018"></a>,
</li>
<li class="itemize"><span
class="pcrr7t---109">--with-old-weather</span>: Include original/simple weather
subsystem<a
name="dx6-12019"></a>,
</li>
<li class="itemize"><span
class="pcrr7t---109">--with-x</span>: Use the X Window system (Linux only)
<br class="newline">
</li>
<li class="itemize"><span
class="pcrr7t---109">--prefix=/XXX</span>: Install <span
class="ptmbi7t---109">FlightGear </span>in the directory <span
class="pcrr7t---109">XXX</span>.</li></ul>
<!--l. 261--><p class="noindent">A good choice would be <span
class="pcrr7t---109">--prefix=/usr/local/FlightGear</span>. In this case
<span
class="ptmbi7t---109">FlightGear</span>&#8217;s binaries<a
name="dx6-12020"></a> will live under <span
class="pcrr7t---109">/usr/local/FlightGear/bin</span>. (If you
don&#8217;t specify a <span
class="pcrr7t---109">--prefix </span>the binaries will go into <span
class="pcrr7t---109">/usr/local/bin </span>while
the base package files are expected under <span
class="pcrr7t---109">/usr/local/lib/FlightGear</span>.)
<!--l. 265--><p class="noindent">Assuming <span
class="pcrr7t---109">configure </span>finished successfully, run
<!--l. 268--><p class="noindent"><span
class="pcrr7t---109">make</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>.
<!--l. 271--><p class="noindent">Again, under Linux, you have to become root for being able to <span
class="pcrr7t---109">make install</span>,
for instance via the <span
class="pcrr7t---109">su </span>command.
<!--l. 275--><p class="noindent">Note: You can save a significant amount of space by stripping all the debugging
symbols off the executable. To do this, make a
<!--l. 280--><p class="noindent"><span
class="pcrr7t---109">cd /usr/local/FlightGear/bin</span>
<!--l. 282--><p class="noindent">to the directory in the <span
class="pcrr7t---109">install tree </span>where your binaries live and run
<!--l. 286--><p class="noindent"><span
class="pcrr7t---109">strip *</span>.</li></ol>
<!--l. 290--><p class="noindent">This completes building the executable and should result in a file <span
class="pcrr7t---109">fgfs </span>(Unix) or
<span
class="pcrr7t---109">fgfs.exe </span>(Windows) under <span
class="pcrr7t---109">/usr/local/FlightGear/bin</span>
<!--l. 293--><p class="indent"> <span
class="ptmb7t---109">Note: </span>If for whatever reason you want to re-build the simulator, use the command <span
class="pcrr7t---109">make</span>
<span
class="pcrr7t---109">distclean </span>either in the <span
class="pcrr7t---109">SimGear-X.X.X </span>or in the <span
class="pcrr7t---109">FlightGear-X.X.X </span>directory
to remove all the build. If you want to re-run <span
class="pcrr7t---109">configure </span>(for instance because of
having installed another version of <span
class="ptmbi7t---109">PLIB </span>etc.), remove the files <span
class="pcrr7t---109">config.cache </span>from
these same directories before.
<h3 class="sectionHead"><span class="titlemark">2.3</span> <a
href="getstart.html#QQ2-6-13" name="x6-130002.3">Compiling <span
class="ptmbi7t---109">FlightGear </span>under Mac OS 10.1 </a></h3>
<!--l. 303--><p class="noindent">For compiling under Mac OS 10.1 you will need
<ul class="itemize1">
<li class="itemize">Mac OS 10.1 with 10.1 developer tools installed.
</li>
<li class="itemize">500MB disk (conservative estimate, might be a little less).
</li>
<li class="itemize">Fearlessness of command line compiling.</li></ul>
<!--l. 311--><p class="noindent">This will need a bit more bravery than building under Windows or Linux. First, there are
less people who tested it under sometimes strange configurations. Second, the
process as described here itself nees a touch more experience by using CVS
repositories.
<!--l. 314--><p class="indent"> First, download the development files. They are intended to simplify the build
process as much as possible:
<!--l. 318--><p class="indent"> <a
href="http://expert.cc.purdue.edu/~walisser/fg/fgdev.tar.gz" >http://expert.cc.purdue.edu/&nbsp;walisser/fg/fgdev.tar.gz</a>
<!--l. 321--><p class="indent"> Once you have this extracted, make sure you are using tcsh, since the setup script
requires it.
<ol type="1" class="enumerate1" start="1"
>
<li class="enumerate"><a
name="x6-13002x1"></a>Setup the build environment:
<br class="newline"><span
class="pcrr7t---109">cd fgdev</span>
<br class="newline"><span
class="pcrr7t---109">source bin/prepare.csh</span>
</li>
<li class="enumerate"><a
name="x6-13004x2"></a>Install automake/aclocal build tools
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src/automake-1.4-p4</span>
<br class="newline"><span
class="pcrr7t---109">./configure --prefix=$BUILDDIR</span>
<br class="newline"><span
class="pcrr7t---109">make install rehash</span>
</li>
<li class="enumerate"><a
name="x6-13006x3"></a>Build PLIB
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src/plib-1.4.2</span>
<br class="newline"><span
class="pcrr7t---109">aclocal</span>
<br class="newline"><span
class="pcrr7t---109">automake</span>
<br class="newline"><span
class="pcrr7t---109">./configure --prefix=$BUILDDIR --with-GL=$BUILDDIR</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>
</li>
<li class="enumerate"><a
name="x6-13008x4"></a>Get the SimGear sources
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src</span>
<br class="newline"><span
class="pcrr7t---109">setenv CVSROOT :pserver:cvs@cvs.simgear.org:</span>
<br class="newline"><span
class="pcrr7t---109">/var/cvs/SimGear-0.0 </span>(one line)
<br class="newline"><span
class="pcrr7t---109">cvs login</span>
<br class="newline"># Enter &#8221;guest&#8221; for password
<br class="newline"><span
class="pcrr7t---109">cvs -z3 checkout SimGear</span>
<br class="newline">
</li>
<li class="enumerate"><a
name="x6-13010x5"></a>Build Metakit
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src/SimGear</span>
<br class="newline"><span
class="pcrr7t---109">tar -zxvf metakit-X.X.X.tar.gz</span>
<br class="newline"><span
class="pcrr7t---109">cd metakit-X.X.X/builds</span>
<br class="newline"><span
class="pcrr7t---109">../unix/configure --prefix=&amp;BUILDDIR</span>
<br class="newline"><span
class="pcrr7t---109">make</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>
<br class="newline">
</li>
<li class="enumerate"><a
name="x6-13012x6"></a>Build SimGear
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src/SimGear</span>
<br class="newline"><span
class="pcrr7t---109">./autogen.sh</span>
<br class="newline"><span
class="pcrr7t---109">./configure --prefix=$BUILDDIR --host=powerpc</span>
<br class="newline"><span
class="pcrr7t---109">make install</span>
<br class="newline">
</li>
<li class="enumerate"><a
name="x6-13014x7"></a>Get the FlightGear sources <span
class="pcrr7t---109">cd $BUILDDIR/src</span>
<br class="newline"><span
class="pcrr7t---109">setenv CVSROOT :pserver:cvs@cvs.flightgear.org:</span>
<br class="newline"><span
class="pcrr7t---109">/var/cvs/FlightGear-0.7 </span>(one line!)
<br class="newline"><span
class="pcrr7t---109">cvs login</span>
<br class="newline">#enter &#8221;guest&#8221; for password
<br class="newline"><span
class="pcrr7t---109">cvs -z3 checkout FlightGear</span>
</li>
<li class="enumerate"><a
name="x6-13016x8"></a>Build FlightGear
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR/src/FlightGear</span>
<br class="newline"><span
class="pcrr7t---109">patch -p0 &lt; ../jsb.diff</span>
<br class="newline"><span
class="pcrr7t---109">./autogen.sh</span>
<br class="newline"><span
class="pcrr7t---109">./configure --prefix=$BUILDDIR --includedir=</span>
<br class="newline"><span
class="pcrr7t---109">$BUILDDIR --with-threads --without-x </span>(one line)
</li>
<li class="enumerate"><a
name="x6-13018x9"></a>Get the base data files (if you don&#8217;t have them already)
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR</span>
<br class="newline"><span
class="pcrr7t---109">setenv CVSROOT :pserver:cvsguest@rockfish.net:</span>
<br class="newline"><span
class="pcrr7t---109">/home/cvsroot </span>(one line)
<br class="newline"><span
class="pcrr7t---109">cvs login</span>
<br class="newline">#password is &#8221;cvsguest&#8221;
<br class="newline"><span
class="pcrr7t---109">cvs -z3 checkout fgfsbase</span>
</li>
<li class="enumerate"><a
name="x6-13020x10"></a>Move data files (if you have them already)
<br class="newline">just make a symlink or copy data files to &#8221;fgfsbase&#8221; in $BUILDDIR
</li>
<li class="enumerate"><a
name="x6-13022x11"></a>Run FlightGear
<br class="newline"><span
class="pcrr7t---109">cd $BUILDDIR</span>
<br class="newline"><span
class="pcrr7t---109">src/FlightGear/src/Main/fgfs</span></li></ol>
<h3 class="sectionHead"><span class="titlemark">2.4</span> <a
href="getstart.html#QQ2-6-14" name="x6-140002.4">Compiling on other systems</a></h3>
<!--l. 399--><p class="noindent">Compiling on other Unix<a
name="dx6-14001"></a> systems - at least on IRIX<a
name="dx6-14002"></a> and on Solaris<a
name="dx6-14003"></a>, is pretty similar to
the procedure on Linux - given the presence of a working GNU C compiler. Especially
IRIX and also recent releases of Solaris come with the basic OpenGL libraries.<a
name="dx6-14004"></a>
Unfortunately the &#8221;glut&#8221; libraries are mostly missing and have to be installed separately
(see the introductory remark to this chapter). As compilation of the &#8221;glut&#8221; sources is not
a trivial task to everyone, you might want to use a pre-built binary. Everything you need
is a static library &#8221;libglut.a&#8221; and an include file &#8221;glut.h&#8221;. An easy way to make them
usable is to place them into <span
class="pcrr7t---109">/usr/lib/ </span>and <span
class="pcrr7t---109">/usr/include/GL/</span>. In case you insist
on building the library yourself, you might want to have a look at FreeGLUT<a
name="dx6-14005"></a>
<!--l. 410--><p class="indent"> <a
href="http://freeglut.sourceforge.net/" >http://freeglut.sourceforge.net/</a>
<!--l. 413--><p class="noindent">which should compile with minor tweaks. Necessary patches might be found in
<!--l. 417--><p class="indent"> <a
href="ftp://ftp.uni-duisburg.de/X11/OpenGL/freeglut_portable.patch" >ftp://ftp.uni-duisburg.de/X11/OpenGL/freeglut_portable.patch</a>
<!--l. 420--><p class="noindent">Please note that you do <span
class="ptmb7t---109">not </span>want to create 64 bit binaries in IRIX with GCC (even if your
CPU is a R10/12/14k) because GCC produces a broken &#8221;fgfs&#8221; binary (in case the
compiler does&#8217;nt stop with &#8221;internal compiler error&#8221;). Things might look better if Eric
Hofman<a
name="dx6-14006"></a> manages to tweak the FlightGear sources for proper compiling with MIPSPro
compiler (it&#8217;s already mostly done).
<!--l. 427--><p class="indent"> There should be a workplace for Microsoft Visual C++<a
name="dx6-14007"></a> (MSVC6) included in the
official <span
class="ptmbi7t---109">FlightGear </span>distribution. Macintosh<a
name="dx6-14008"></a> users find the required CodeWarrior<a
name="dx6-14009"></a> files as a
<span
class="pcrr7t---109">.bin </span>archive at
<!--l. 432--><p class="indent"> <a
href="http://icdweb.cc.purdue.edu/~walisser/fg/" >http://icdweb.cc.purdue.edu/<img
src="getstart2x.gif" alt="~" class="tilde" > walisser/fg/</a>.
<!--l. 434--><p class="indent"> Numerous (although outdated, at times) hints on compiling on different systems are
included in the source code under <span
class="pcrr7t---109">docs-mini</span>.
<h3 class="sectionHead"><span class="titlemark">2.5</span> <a
href="getstart.html#QQ2-6-15" name="x6-150002.5">Installing the base package</a></h3>
<!--l. 440--><p class="noindent">If you succeeded in performing the steps named above, you will have a directory holding
the executables for <span
class="ptmbi7t---109">FlightGear</span>. This is not yet sufficient for performing <span
class="ptmbi7t---109">FlightGear</span>,
though. Besides those, you will need a collection of support data files (scenery,
aircraft, sound) collected in the so-called base package. In case you compiled
the latest official release, the accompanying base package is available from
<!--l. 447--><p class="indent"> <a
href="ftp://www.flightgear.org/pub/flightgear/Shared/fgfs-base-X.X.X.tar.gz" >ftp://www.flightgear.org/pub/flightgear/Shared/fgfs-base-X.X.X.tar.gz</a>.
<!--l. 449--><p class="indent"> This package<a
name="dx6-15001"></a> is usually quite large (around 25 MB), but must be installed for
<span
class="ptmbi7t---109">FlightGear </span>to run. There is no compilation required for it. Just download it to
<span
class="pcrr7t---109">/usr/local </span>and install it with
<!--l. 453--><p class="indent"> <span
class="pcrr7t---109">tar xvfz fgfs-base-X.X.X.tar.gz</span>.
<!--l. 455--><p class="noindent">Now you should find all the <span
class="ptmbi7t---109">FlightGear </span>files under <span
class="pcrr7t---109">/usr/local/Flightgear </span>in the
following directory structure:<a
name="dx6-15002"></a><a
name="dx6-15003"></a>:
<!--l. 461--><p class="indent"> <span
class="pcrr7t---109">/usr/local/Flightgear</span>
<!--l. 463--><p class="indent"> <span
class="pcrr7t---109">/usr/local/Flightgear/Aircraft</span>
<!--l. 465--><p class="indent"> <span
class="pcrr7t---109">/usr/local/Flightgear/Aircraft-uiuc</span>
<!--l. 467--><p class="indent"> . . .
<!--l. 469--><p class="indent"> <span
class="pcrr7t---109">/usr/local/Flightgear/bin</span>
<!--l. 471--><p class="indent"> . . .
<!--l. 473--><p class="indent"> <span
class="pcrr7t---109">/usr/local/Flightgear/Weather</span>.
<h3 class="sectionHead"><span class="titlemark">2.6</span> <a
href="getstart.html#QQ2-6-16" name="x6-160002.6">For test pilots only: Building the CVS snapshots</a></h3>
<!--l. 480--><p class="noindent">It you are into adventures or feel you&#8217;re an advanced user, you can try one of the recent
bleeding edge snapshots<a
name="dx6-16001"></a><a
name="dx6-16002"></a> at
<!--l. 483--><p class="indent"> <a
href="http://www.flightgear.org/Downloads/" >http://www.flightgear.org/Downloads/</a>.
<!--l. 486--><p class="noindent">In this case you have to get the most recent Snapshot from <span
class="ptmbi7t---109">SimGear </span>at
<!--l. 490--><p class="indent"> <a
href="http://www.simgear.org/downloads.html" >http://www.simgear.org/downloads.html</a>
<!--l. 493--><p class="noindent">as well. But be prepared: These are for development and may (and often do) contain
bugs.
<!--l. 497--><p class="indent"> If you are using these CVS snapshots, the base package named above will usually not
be in sync with the recent code and you have to download the most recent developer&#8217;s
version from
<!--l. 502--><p class="indent"> <a
href="http://rockfish.net/fg/" >http://rockfish.net/fg/</a>.
<!--l. 505--><p class="noindent">We suggest downloading this package <span
class="pcrr7t---109">fgfs</span>_<span
class="pcrr7t---109">base-snap.X.X.X.tar.gz </span>to a
temporary directory. Now, decompress it using
<!--l. 510--><p class="indent"> <span
class="pcrr7t---109">tar xvfz fgfs</span>_<span
class="pcrr7t---109">base-snap.X.X.X.tar.gz</span>.
<!--l. 513--><p class="indent"> Finally, double-check you got the directory structure named above.
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