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authorMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
committerMike Gabriel <mike.gabriel@das-netzwerkteam.de>2015-02-02 15:02:49 +0100
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-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
-<HTML>
-<HEAD>
-<TITLE>GL widgets for Xt/Motif - XFree86 implementation</TITLE>
-<META NAME="generator" CONTENT="Only VIM and me.">
-</HEAD>
-<BODY BGCOLOR="#FFFFFF">
-
-<!-- $XFree86$ -->
-
-<H1 ALIGN=CENTER>GL widgets for Xt/Motif</H1>
-<H2 ALIGN=CENTER>XFree86 implementation</H1>
-<P ALIGN=CENTER>by Carlos A. M. dos Santos<BR>casantos@cpmet.ufpel.tche.br</P>
-
-<HR NOSHADE>
-
-<H3>1. Introduction</H3>
-<P>
-This directory contains the source code for SGI's OpenGL Xt/Motif(TM) widgets,
-slightly modified to generate both Motif 1.x and 2.x versions of
-the widget even if Motif is not available, as in the XFree86 distribution of
-the X Window System. This code is based on that distributed by Silicon
-Graphics as part of it's OpenGL Sample Implementation, not on the modified version
-distributed with Mesa.
-
-
-<H3>2. Installation</H3>
-<P>
-This code is intended to be compiled as part of the normal XFree86 building
-process, under the xc/lib/GLw directory. To compile the library out of the X
-source tree, follow instructions below.
-
-<H3>2.1. Requirements</H3>
-<P>
-Gzip and tar are needed to extract the files from the distribution <A
-HREF="http://www.inf.ufrgs.br/~casantos/libGLw/GLw.tar.gz">archive</A>. Tar is
-a standard UNIX utility but if you don't have it use GNU tar, available in
-source form at <A
-HREF="ftp://ftp.gnu.org/pub/gnu/">ftp://ftp.gnu.org/pub/gnu/</A>. Gzip is not
-a standard UNIX utility, though available in many systems. You may obtain it
-(also source form) at the same FTP server as GNU tar.
-
-<P>
-You need xmkmf and imake too. Depending on your operating system you may need
-to install some kind of X Window System development kit, so check the vendor
-documentation first. I was told that some UNIX systems don't have imake:
-report this as a bug (to your vendor, not me).
-
-<P>
-Of course you will need a C compiler.
-
-<H3>2.2. Steps</H3>
-<P>
-<OL>
- <LI>Extract the source code from the distribution archive.
- <P>
- <CODE>
- gzip -dc GLw.tar.gz | tar xf -
- </CODE>
- <P>
- <LI>Go to the surce code directory and generate the makefile.
- <P>
- <CODE>
- cd GLw<BR>
- xmkmf
- </CODE>
- <P>For LessTif, use "mxmkmf" instead of "xmkmf". Imake support
- is much better in recent versions of LessTif (since late july 2000).
- If your Motif or OpenGL libraries and/or include files are installed in
- non-standard locations (some UNIX vendors seem to be very creative :-)
- then edit the file named Imakefile, remove the leading XCOMM of the
- lines containing MOTIF_INCLUDES and MOTIF_LDFLAGS and set the
- appropriate values.
- <P>
- <LI>Compile the code with
- <P>
- <CODE>
- make includes<BR>
- make standalone
- </CODE>
- <P>
- <LI>Install the library and manual pages with
- <P>
- <CODE>
- make install<BR>
- make install.man
- </CODE>
- <P>
- <LI>Optionally, you may compile two test programs: xmdemo and xtdemo. You need OpenGL
- (or Mesa) for both and Motif (or LessTif) for xmdemo. There are four
- extra make targers for these programs: demos, stand-demos, stand-xmdemo
- and stand-xtdemo. You may use them with:
- <P>
- <CODE>
- make stand-demos<BR>
- ./xmdemo
- ./xtdemo
- </CODE>
-</OL>
-
-<H3>2.3. Creating a shared library</H3>
-<P>
-By default only a static library is created because most of the UNIX loaders,
-if not all, complain about unresolved symbols even if the application doesn't
-use the modules in which such symbols are referenced. However, if your system
-supports libraries with weak symbols (e.g. Solaris, FreeBSD and Linux) it is
-possible to fool the loader. All you have to do is edit the Imakefile,
-changing "#define SharedLibGLw" and "#define GLwUseXmStubs" to YES, then
-repeat the compilation process starting from step 2 in the previous section.
-
-<H3>2.4. Problems</H3>
-<P>
-If you have trouble, ask for help in the XFree86 "xperts" mailing list. Look
-at <A HREF="http://www.xfree86.org">http://www.xfree86.org</A> for
-instructions on how to subscribe. In desperation, send an email to <A
-HREF="mailto:casantos@cpmet.ufpel.tche.br">casantos@cpmet.ufpel.tche.br</A>.
-
-<P>
-PLEASE DO NOT SEND ME EMAIL ASKING HOW TO INSTALL OR CONFIGURE YOUR OPERATING
-SYSTEM, MODEM, NETWORK CARD, BREAD TOASTER, COFEE MAKER OR WHATEVER ELSE!
-
-
-<H3>3. Copyrights</H3>
-<P>
-Most of the code is covered by the following license terms:
-<BLOCKQUOTE>
-<P>
-License Applicability. Except to the extent portions of this file are
-made subject to an alternative license as permitted in the SGI Free
-Software License B, Version 1.1 (the "License"), the contents of this
-file are subject only to the provisions of the License. You may not use
-this file except in compliance with the License. You may obtain a copy
-of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
-Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
-<P>
-<A
-HREF="http://oss.sgi.com/projects/FreeB">http://oss.sgi.com/projects/FreeB</A>
-<P>
-Note that, as provided in the License, the Software is distributed on an
-"AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
-DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
-CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
-PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
-<P>
-Original Code. The Original Code is: OpenGL Sample Implementation,
-Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
-Inc. The Original Code is Copyright &copy; 1991-2000 Silicon Graphics, Inc.
-Copyright in any portions created by third parties is as indicated
-elsewhere herein. All Rights Reserved.
-<P>
-Additional Notice Provisions: The application programming interfaces
-established by SGI in conjunction with the Original Code are The
-OpenGL&reg; Graphics System: A Specification (Version 1.2.1), released
-April 1, 1999; The OpenGL&reg; Graphics System Utility Library (Version
-1.3), released November 4, 1998; and OpenGL&reg; Graphics with the X
-Window System&reg; (Version 1.3), released October 19, 1998. This software
-was created using the OpenGL&reg; version 1.2.1 Sample Implementation
-published by SGI, but has not been independently verified as being
-compliant with the OpenGL&reg; version 1.2.1 Specification.
-</BLOCKQUOTE>
-
-<P>
-The demonstration programs are covered by the following license terms:
-
-<BLOCKQUOTE>
-<P>
-Copyright &copy; Mark J. Kilgard, 1995, 1996.
-
-<P>
-NOTICE: This source code distribution contains source code contained in
-the book "Programming OpenGL for the X Window System" (ISBN:
-0-201-48359-9) published by Addison-Wesley. The programs and associated
-files contained in the distribution were developed by Mark J. Kilgard and
-are Copyright 1994, 1995, 1996 by Mark J. Kilgard (unless otherwise
-noted). The programs are not in the public domain, but they are freely
-distributable without licensing fees. These programs are provided without
-guarantee or warrantee expressed or implied.
-</BLOCKQUOTE>
-
-<P>
-The files contained in directory GLwXm are fake Motif headers, covered by
-the XFree86 license, they permit us to generate both Motif 1.x and 2.x
-versions of the widget without having Motif. Notice that they are NOT part of
-a standard Motif distribution and shall not be used to compile any other code.
-
-
-<H3>4. Thanks</H3>
-
-<P>
-Many thanks to Silicon Graphics and Mark J. Kilgard for making their
-software free.
-
-
-<H3>5. No thanks</H3>
-
-<BLOCKQUOTE>
-<P>
-<STRONG>
-THIS SECTION CONTAINS MY PERSONAL OPINIONS AND
-DOESN'T REPRESENT AN OFFICIAL POSITION OF THE XFree86 PROJECT.
-</STRONG>
-</BLOCKQUOTE>
-
-<P>
-The first incarnation of this version of libGLw used eight header files from
-<A HREF="http://www.lesstif.org/">LessTif</A>, four for each Motif version.
-LessTif is covered by the GNU Library General Public License (LGPL) whose
-terms are not compatible with the XFree86 licensing policy. Since the
-copyright holder of LessTif is the <A HREF="http://www.fsf.org/">Free Software
-Foundation</A> (FSF), I asked Richard Stallman, president of FSF and so called
-"leader of the Free Software movement", permission to redistribute a copy of
-those eight headers under XFree86 terms, still maintaining the FSF copyright.
-
-<P>
-Observe that I was not asking him to change the license of LessTif as a whole,
-but only to allow me to distribute copies of some header files containing
-function prototypes, variable declarations and data type definitions. Even so,
-Stallman said no because the files contained "more than 6000 lines of code".
-Which code? The LessTif headers are mostly copies of the Motif ones and don't
-contain any original GNU "code"! I can't still imagine a reason for Stallman's
-negative answer except for paranoia. He seems to ignore what Motif is and
-that LessTif's API is simply a copy of Motif's one.
-
-<P>
-After spending some time, I made my own headers, that became much smaller than
-the previous ones because I included only a subset of the Motif API and merged
-everything into four files: 417 lines instead 6000. Humm, perhaps I should be
-grateful to Sallman too :-).
-
-
-<H3>6. Trademarks</H3>
-
-<P>
-<UL>
- <LI>OpenGL is a trademark of Silicon Graphics, Inc.
- <LI>Motif is a trademark of the Open Group.
-</UL>
-
-<HR NOSHADE>
-
-</BODY>
-</HTML>