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-
- Info on using Mesa 3.0 with Linux Quake I and Quake II
-
-
-
-Disclaimer
-----------
-
-I am _not_ a Quake expert by any means. I pretty much only run it to
-test Mesa. There have been a lot of questions about Linux Quake and
-Mesa so I'm trying to provide some useful info here. If this file
-doesn't help you then you should look elsewhere for help. The Mesa
-mailing list or the news://news.3dfx.com/3dfx.linux.glide newsgroup
-might be good.
-
-Again, all the information I have is in this file. Please don't email
-me with questions.
-
-If you have information to contribute to this file please send it to
-me at brianp@elastic.avid.com
-
-
-
-Linux Quake
------------
-
-You can get Linux Quake from http://www.idsoftware.com/
-
-Quake I and II for Linux were tested with, and include, Mesa 2.6. You
-shouldn't have too many problems if you simply follow the instructions
-in the Quake distribution.
-
-
-
-RedHat 5.0 Linux problems
--------------------------
-
-RedHat Linux 5.x uses the GNU C library ("glibc" or "libc6") whereas
-previous RedHat and other Linux distributions use "libc5" for its
-runtime C library.
-
-Linux Quake I and II were compiled for libc5. If you compile Mesa
-on a RedHat 5.x system the resulting libMesaGL.so file will not work
-with Linux Quake because of the different C runtime libraries.
-The symptom of this is a segmentation fault soon after starting Quake.
-
-If you want to use a newer version of Mesa (like 3.x) with Quake on
-RedHat 5.x then read on.
-
-The solution to the C library problem is to force Mesa to use libc5.
-libc5 is in /usr/i486-linux-libc5/lib on RedHat 5.x systems.
-
-Emil Briggs (briggs@tick.physics.ncsu.edu) nicely gave me the following
-info:
-
-> I only know what works on a RedHat 5.0 distribution. RH5 includes
-> a full set of libraries for both libc5 and glibc. The loader ld.so
-> uses the libc5 libraries in /usr/i486-linux-libc5/lib for programs
-> linked against libc5 while it uses the glibc libraries in /lib and
-> /usr/lib for programs linked against glibc.
->
-> Anyway I changed line 41 of mklib.glide to
-> GLIDELIBS="-L/usr/local/glide/lib -lglide2x -L/usr/i486-linux-libc5/lib"
->
-> And I started quake2 up with a script like this
-> #!/bin/csh
-> setenv LD_LIBRARY_PATH /usr/i486-linux-libc5/lib
-> setenv MESA_GLX_FX f
-> ./quake2 +set vid_ref gl
-> kbd_mode -a
-> reset
-
-
-I've already patched the mklib.glide file. You'll have to start Quake
-with the script shown above though.
-
-
-
-**********************
-
-Daryll Strauss writes:
-
-Here's my thoughts on the problem. On a RH 5.x system, you can NOT build
-a libc5 executable or library. Red Hat just doesn't include the right
-stuff to do it.
-
-Since Quake is a libc5 based application, you are in trouble. You need
-libc5 libraries.
-
-What can you do about it? Well there's a package called gcc5 that does
-MOST of the right stuff to compile with libc5. (It brings back older
-header files, makes appropriate symbolic links for libraries, and sets
-up the compiler to use the correct directories) You can find gcc5 here:
-ftp://ecg.mit.edu/pub/linux/gcc5-1.0-1.i386.rpm
-
-No, this isn't quite enough. There are still a few tricks to getting
-Mesa to compile as a libc5 application. First you have to make sure that
-every compile uses gcc5 instead of gcc. Second, in some cases the link
-line actually lists -L/usr/lib which breaks gcc5 (because it forces you
-to use the glibc version of things)
-
-If you get all the stuff correctly compiled with gcc5 it should work.
-I've run Mesa 3.0B6 and its demos in a window with my Rush on a Red Hat
-5.1 system. It is a big hassle, but it can be done. I've only made Quake
-segfault, but I think that's from my libRush using the wrong libc.
-
-Yes, mixing libc5 and glibc is a major pain. I've been working to get
-all my libraries compiling correctly with this setup. Someone should
-make an RPM out of it and feed changes back to Brian once they get it
-all working. If no one else has done so by the time I get the rest of my
-stuff straightened out, I'll try to do it myself.
-
- - |Daryll
-
-
-
-*********************
-
-David Bucciarelli (tech.hmw@plus.it) writes:
-
-I'm using the Mesa-3.0beta7 and the RedHat 5.1 and QuakeII is
-working fine for me. I had only to make a small change to the
-Mesa-3.0/mklib.glide file, from:
-
-
- GLIDELIBS="-L/usr/local/glide/lib -lglide2x
--L/usr/i486-linux-libc5/lib -lm"
-
-to:
-
- GLIDELIBS="-L/usr/i486-linux-libc5/lib -lglide2x"
-
-and to make two symbolic links:
-
-[david@localhost Mesa]$ ln -s libMesaGL.so libMesaGL.so.2
-[david@localhost Mesa]$ ln -s libMesaGLU.so libMesaGLU.so.2
-
-I'm using the Daryll's Linux glide rpm for the Voodoo2 and glibc (it
-includes also the Glide for the libc5). I'm not using the /dev/3Dfx and
-running QuakeII as root with the following env. var:
-
-export
-LD_LIBRARY_PATH=/dsk1/home/david/src/gl/Mesa/lib:/usr/i486-linux-libc5/lib
-
-I think that all problems are related to the glibc, Quake will never
-work if you get the following output:
-
-[david@localhost Mesa]$ ldd lib/libMesaGL.so
- libglide2x.so => /usr/lib/libglide2x.so (0x400f8000)
- libm.so.6 => /lib/libm.so.6 (0x40244000)
- libc.so.6 => /lib/libc.so.6 (0x4025d000)
- /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x00000000)
-
-You must get the following outputs:
-
-[david@localhost Mesa]# ldd lib/libMesaGL.so
- libglide2x.so => /usr/i486-linux-libc5/lib/libglide2x.so
-(0x400f3000)
-
-[root@localhost quake2]# ldd quake2
- libdl.so.1 => /lib/libdl.so.1 (0x40005000)
- libm.so.5 => /usr/i486-linux-libc5/lib/libm.so.5 (0x40008000)
- libc.so.5 => /usr/i486-linux-libc5/lib/libc.so.5 (0x40010000)
-
-[root@localhost quake2]# ldd ref_gl.so
- libMesaGL.so.2 =>
-/dsk1/home/david/src/gl/Mesa/lib/libMesaGL.so.2 (0x400eb000)
- libglide2x.so => /usr/i486-linux-libc5/lib/libglide2x.so
-(0x401d9000)
- libX11.so.6 => /usr/i486-linux-libc5/lib/libX11.so.6
-(0x40324000)
- libXext.so.6 => /usr/i486-linux-libc5/lib/libXext.so.6
-(0x403b7000)
- libvga.so.1 => /usr/i486-linux-libc5/lib/libvga.so.1
-(0x403c1000)
- libm.so.5 => /usr/i486-linux-libc5/lib/libm.so.5 (0x403f5000)
- libc.so.5 => /usr/i486-linux-libc5/lib/libc.so.5 (0x403fd000)
-
-
-***********************
-
-Steve Davies (steve@one47.demon.co.uk) writes:
-
-
-Try using:
-
- export LD_LIBRARY_PATH=/usr/i486-linux-libc5/lib
- ./quake2 +set vid_ref gl
-
-to start the game... Works for me, but assumes that you have the
-compatability libc5 RPMs installed.
-
-
-***************************
-
-WWW resources - you may find additional Linux Quake help at these URLs:
-
-
-http://quake.medina.net/howto
-
-http://webpages.mr.net/bobz
-
-http://www.linuxgames.com/quake2/
-
-
-
-----------------------------------------------------------------------
-$Id: README.QUAKE,v 1.1.1.3 2004/08/12 23:43:27 anholt Exp $