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README.Linux
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README.Linux
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Aug 27, 1998
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============
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This is a short description of the things I had to do to get
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FlightGear up and running under Linux.
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1. Prerequisites:
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Linux (of any Flavour), a 3DFX-card (Voodoo1 in my case). 3D
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operations without hardware support can force even the fastest PII to
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its knees.... To make use of the accelerator board you need
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- the GLIDE library installed. Grab it at:
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http://www.3dfx.com/software/download_glidel.html
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and install. There is even an install script contained that will do
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things for you. The canonical place for GLIDE is /usr/local/glide, if
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you prefer another location, you'll have to edit the Makefile for
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FlightGear by hand. Be sure to read and understand the file
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/usr/local/glide/README.
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- the MESA library version 2.6 (or greater) installed.
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Grab it at"
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ftp://iris.ssec.wisc.edu/pub/Mesa
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unpack it and run "make linux-glide" in the Mesa directory. Follow the
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instructions in the README file, take a close look at README.3DFX and
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play with the demo programs. Relax, rejoice :-)
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- the GLUT library version 3.7 (or greater, aka GameGLUT) installed.
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Grab it at:
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http://reality.sgi.com/opengl/glut3/glut3.html
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Note: glut-3.7 is included with Mesa 3.0 so if you've already
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grabbed the latest version of mesa, you should have everything you
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need.
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2. Build FlightGear:
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You will need the following files:
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FlightGear-x.xx.tar.gz
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az-patch-x.xx.tar.gz
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base-x.xx.tar.gz
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textures-x.xx.tar.gz
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to get started. Sound is optional.
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sounds-x.xx.tar.gz
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Unpack FlightGear-x.xx.tar.gz using :
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tar xvfz FlightGear-x.xx.tar.gz
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and cd info FlightGear-x.xx. Run:
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./configure
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and wait a few minutes. configure knows about a lot of options. Have a
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look at the file INSTALL in the FlightGear source directory to learn
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about them. If run without options, configure assumes that you will
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install the data files under /usr/local/lib/FlightGear. Assuming
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configure finished successfully, simply run
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make
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and wait for the make process to finish. Now become root (for example
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by using the su command) and type
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make install
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This will install the binaries in /usr/local/bin. Notice that the name
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of the FlightGear binary is "fg", so simply typing "fg" at the prompt
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will give you
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fg: No such job
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since fg is a shell internal. Use the "runfg" script instead! Later
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versions of FlightGear will be named "fgfs", so watch out!
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Another problem with Linux/Glide is permission-related. All programs
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accessing the Accelerator board need root permissions. The solution is
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either to play as root or make the /usr/local/bin/fg binary "setuid
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root", i.e. when this binary is run root priviledges are given. Do
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this by issuing (as root)
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chmod +s /usr/local/bin/fg
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A solution for this problem is upcoming, keep an eye on the 3Dfx
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website.
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3. Install the data files
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Change to /usr/local/lib/FlightGear and unpack the data files:
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tar xvfz WHERE_YOUDOWNLOADED_THE_FILES/az-patch-x.xx.tar.gz
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tar xvfzWHERE_YOU DOWNLOADED_THE_FILES/base-x.xx.tar.gz
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tar xvfz WHERE_YOU DOWNLOADED_THE_FILES/textures-x.xx.tar.gz
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That's it...
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4. Fly!
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If everything went ok, simply type
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runfg
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at the prompt. You should see the FlightGear splash-screen and a few
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seconds later you'll find youself somewhere in the desert, ready for
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take-off.
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5. Strange things happen...
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A note on the behaviour of Voodoo boards:
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Your card comes packaged with a loop-through-cable. If you have only
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one monitor, then the Voodoo will take it over when used. This means
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that all the applications on your desktop will continue running but
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you'll only see the FlightGear screen. If your window manager uses a
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focus-follows-mouse policy, don't move the mouse. If you lose the
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focus, there's no way to shut down FlightGear graciously! Better
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solution: Use two monitors, one for your desktop, connect the other
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one to your accelerator. You'll then get a window on your desktop
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which manages all keyboard events and you're still able to see your
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desktop.
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Enjoy!
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6. Conclusion
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I hope this document provides some help. If it does, send virtual/real
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beer to me, if not flame me!
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Bernhard H. Buckel
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<buckel@wmad95.mathematik.uni-wuerzburg.de>
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