Rename README files to README.txt (and several similar files).

Files without '.txt' suffix can't be handled well by Windows (users),
hence renaming such text files to *.txt makes FLTK more "Windows-friendly".

There are a few exceptions (this is intentional): README and other files
in bundled libraries (maintained upstream) are not changed.

1 files changed, 173 insertions, 0 deletions

diff --git a/README.txt b/README.txt
new file mode 100644
index 000000000..af3292276
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,173 @@
+README - Fast Light Tool Kit (FLTK) Version 1.4.0
+-------------------------------------------------
+
+WHAT IS FLTK?
+
+    The Fast Light Tool Kit ("FLTK", pronounced "fulltick") is a
+    a cross-platform C++ GUI toolkit for UNIX(r)/Linux(r) (X11),
+    Microsoft(r) Windows(r), and MacOS(r) X. FLTK provides
+    modern GUI functionality without the bloat and supports 3D
+    graphics via OpenGL(r) and its built-in GLUT emulation. It
+    was originally developed by Mr. Bill Spitzak and is
+    currently maintained by a small group of developers across
+    the world with a central repository in the US.
+
+
+LICENSING
+
+    FLTK comes with complete free source code. FLTK is available
+    under the terms of the GNU Library General Public License.
+    Contrary to popular belief, it can be used in commercial
+    software! (Even Bill Gates could use it.)
+
+
+ON-LINE DOCUMENTATION
+
+    All of the documentation is in HTML in the subdirectory
+    "documentation". The "index.html" file should be your
+    starting point.  PostScript(tm) and PDF versions of this
+    documentation is also available from the FLTK web site at:
+
+        http://www.fltk.org/documentation.php
+
+
+BUILDING AND INSTALLING FLTK UNDER UNIX AND Mac OS X
+
+    In most cases you can just type "make".  This will run
+    configure with the default (no) options and then compile
+    everything.
+
+    FLTK uses GNU autoconf to configure itself for your UNIX
+    platform. The main things that the configure script will
+    look for are the X11, OpenGL (or Mesa), and JPEG header and
+    library files.  Make sure that they are in the standard
+    include/library locations.  If they aren't you need to
+    define the CFLAGS, CXXFLAGS, and LDFLAGS environment
+    variables.
+
+    If you aren't using "gcc", "g++", "c++", or "CC" for your
+    C++ compiler, you'll also need to set the CXX environment
+    variable. Similarly, if you aren't using "gcc" or "cc" for
+    your C compiler you'll need to set the CC environment
+    variable.
+
+    You can run configure yourself to get the exact setup you
+    need. Type "./configure <options>".  Options include:
+
+	--enable-cygwin         - Enable the Cygwin libraries (Windows)
+	--enable-debug          - Enable debugging code & symbols
+	--disable-gl            - Disable OpenGL support
+	--enable-shared         - Enable generation of shared libraries
+	--enable-threads        - Enable multithreading support
+	--enable-xdbe           - Enable the X double-buffer extension
+	--enable-xft            - Enable the Xft library (anti-aliased fonts)
+
+	--bindir=/path          - Set the location for executables
+                        	  [default = /usr/local/bin]
+	--libdir=/path          - Set the location for libraries
+                        	  [default = /usr/local/lib]
+	--includedir=/path      - Set the location for include files.
+                        	  [default = /usr/local/include]
+	--prefix=/dir           - Set the directory prefix for files
+                        	  [default = /usr/local]
+
+    When the configure script is done you can just run the
+    "make" command. This will build the library, FLUID tool, and
+    all of the test programs.
+
+    To install the library, become root and type "make
+    install".  This will copy the "fluid" executable to
+    "bindir", the header files to "includedir", and the library
+    files to "libdir".
+
+    To install additional files and icons to be used by the main
+    desktop environments such as KDE, GNOME and XFCE, you will also
+    need to run "make install-desktop" as root.
+
+
+SVN USERS
+
+    If you've just checked out a fresh copy of FLTK from SVN,
+    you'll need to generate an initial version of 'configure'
+    by running 'make makeinclude'. (We don't include a copy
+    of configure in svn)
+
+
+MAKE TARGETS
+
+    make            -- builds the library + test programs (does not install)
+    make install    -- builds and installs
+    make clean      -- clean for a rebuild
+    make distclean  -- like 'clean', but also removes docs, configure, fltk-config
+    ( cd src; make ) -- builds just the fltk libraries
+
+
+BUILDING FLTK UNDER MICROSOFT WINDOWS
+
+    There are two ways to build FLTK under Microsoft Windows.
+    The first is to use the Visual C++ project files under the
+    "ide/" directory.  See the file ide/README.IDE for more info.
+
+    The second method is to use a GNU-based development tool.
+    To build with the Cygwin or MinGW tools, use the supplied
+    configure script as specified in the UNIX section above:
+
+        sh configure ...options...
+
+
+BUILDING HTML DOCUMENTATION
+
+    If you want to build the HTML documentation:
+
+    	( cd documentation && make html )
+
+    If you want to build the PDF documentation:
+
+    	( cd documentation && make pdf )
+
+    FLTK uses doxygen for documentation, so you'll at least need doxygen
+    installed for creating html docs, and LaTeX for creating PDF docs.
+
+
+INTERNET RESOURCES
+
+    FLTK is available on the 'net in a bunch of locations:
+
+	- WWW:   http://www.fltk.org/
+	         http://www.fltk.org/str.php [for reporting bugs]
+	         http://www.fltk.org/software.php [source code]
+
+    To join the FLTK mailing list, go the following web page:
+
+        http://www.fltk.org/newsgroups.php
+
+REPORTING BUGS
+
+    To report a bug in FLTK, use the form at:
+
+        http://www.fltk.org/str.php
+
+    For general support and questions, please use the FLTK
+    mailing list at "fltk@fltk.org".
+
+
+TRADEMARKS
+
+    Microsoft and Windows are registered trademarks of Microsoft
+    Corporation. UNIX is a registered trademark of the X/Open
+    Group, Inc.  OpenGL is a registered trademark of Silicon
+    Graphics, Inc.  Mac OS is a registered trademark of Apple
+    Computers, Inc.
+
+
+COPYRIGHT
+
+    FLTK is copyright 1998-2016 by Bill Spitzak and others,
+    see the CREDITS file for more info.
+
+    This library is free software. Distribution and use rights are
+    outlined in the file "COPYING" which should have been included with
+    this file.  If this file is missing or damaged, see the license at:
+
+        http://www.fltk.org/COPYING.php
+