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README.win32
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README.win32
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README.win32 - 10/03/2002 - Building FLTK under Windows
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-------------------------------------------------------
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README.win32 - Building FLTK under Windows
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------------------------------------------
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Last Update: May 2007 for release 1.1.8
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INTRODUCTION
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@ -12,18 +13,26 @@ INTRODUCTION
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FLTK currently supports the following development
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environments on the Windows platform:
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- Microsoft Visual C++ 6.0 using the supplied workspace
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and project files. Be sure to get your service packs!
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- Microsoft Visual C++ 6.0, VC2005 and VC.NET using the
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supplied workspace and project files. Be sure to get
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your service packs!
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- Borland C++ Builder 5 using the supplied IDE file.
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- Borland C++ Builder 5 and 6 using the supplied IDE
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files. These files are not as actively maintained as
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the VC and GNU versions, so may not work for you.
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- Watcom. There is a partial solution for the Watcom
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toolchain. It is no longer actively maintained.
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- GNU toolsets (Cygwin or MinGW) hosted on Windows
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9x/2000/NT/XP.
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This document gives a brief overview of compiling and using
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FLTK with the Cygwin and MinGW compiler toolkits. Both
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toolkits provide a build environment based around the GNU
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C/C++ compiler.
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This remainder of this document gives a brief overview of
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compiling and using FLTK with the Cygwin and MinGW compiler
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toolkits. Both toolkits provide a build environment based
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around the GNU C/C++ compiler. Further information is
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available from the FLTK website at http://www.fltk.org, such
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as this Howto note: http://www.fltk.org/articles.php?L598
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The Cygwin build environment supplies a library (the Cygwin
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DLL) that is primarily intended to provide a number of
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@ -33,7 +42,7 @@ INTRODUCTION
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the "BASH" Bourne-compatible shell and all of the standard
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Unix file utilities (ls, cat, grep, etc.).
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Cygwin is developed by Cygnus (now part of RedHat, Inc).
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Cygwin is developed by Cygnus (now part of RedHat, Inc).
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Although provided for free download under the GPL,
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distributing programs that require the Cygwin DLL under a
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license other than the GPL requires a commercial license for
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@ -43,21 +52,23 @@ INTRODUCTION
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The MinGW distribution (Minimalist GNU for Windows) provides
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a similar toolset but geared solely towards native Windows
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development without the Unix-like POSIX library. The lack
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of any libraries under the GPL or any other restrictive
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license means that programs built with the MinGW environment
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may always be released under any license freely.
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development without the Unix-like POSIX library. The lack of
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any libraries under the GPL or any other restrictive license
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means that programs built with the MinGW environment may
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always be released under any license freely. MinGW also
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supplies a Unix-like build environment for Windows,
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including MSYS (a Bourne-compatible shell) and the standard
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Unix file utilities (ls, cat, grep, etc.)
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If you are not familiar with these GNU-like toolkits please
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refer to the links section later in this section. In
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particular, check out their license conditions carefully
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before use.
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refer to the links section later in this note. In particular,
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check out their license conditions carefully before use.
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THE TOOLS
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There are currently three main configurations supported by
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FLTK:
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FLTK with the GNU tools:
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1. Cygwin: Built using the Cygwin toolset and using the
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Unix-like POSIX compatibility layer provided by the
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2. Cygwin using the "-mno-cygwin" option: Built using
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the Cygwin toolset but not using the Cygwin DLL.
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3. MinGW: Mainly based upon the MinGW utilities,
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compiler and tools but currently needs additional
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tools from the Cygwin distribution (make.exe and
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sh.exe).
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3. MinGW: Built using the MinGW utilities, compiler and
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tools. This is, in many aspects, analogous to the
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Cygwin "-mno-cygwin" option.
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RECOMMENDED BUILD ENVIRONMENTS
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Our recommendation is to:
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1. Get the current Cygwin toolset (June 20, 2000 or
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later).
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1. Get the current Cygwin toolset.
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Can produce executables that do or do not rely on the
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Cygwin DLL (check licensing)-- your choice. No
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supplementary MinGW files are required.
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This can either produce executables that do or do not
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rely on the Cygwin DLL (check licensing) at your
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choice.
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2. Get the latest full MinGW toolset and add Cygwin
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"make.exe" and "sh.exe" to it.
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2. Get the latest MinGW toolset. It is recommended that
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you also get the MSYS shell and the msysDTK developer
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toolset.
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Will only normal Windows native executables without
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any Unix or POSIX compatibility.
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This will only produce normal Windows native
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executables without any Unix or POSIX compatibility
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layer.
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3. Get a pre-built combined toolset that has been tested
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with FLTK.
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Carl Thompson has provided a set based upon the B20.1
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Cygwin release and ~Feb 2000 version of Mingw which
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has been successfully used for FLTK.
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This will provide several Cygwin utilities and the
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MinGW compiler. Compilation will produce executables
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not reliant on the Cygwin DLL and so are freely
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redistributable under any license you choose.
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See the links section below for more information.
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All three options can provide windows-native executables and
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1 can provide a Unix-like POSIX portability layer that is
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reliant on a GPLed library.
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Either option can generate windows-native executables and
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option 1 can provide a Unix-like POSIX portability layer that
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is reliant on a GPLed library.
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See the later sections for detailed information about using
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one of these configurations.
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1. Main Cygwin homepage:
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http://sourceware.cygnus.com/cygwin/
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http://www.cygwin.com/
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2. Main Mingw homepage:
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@ -126,23 +126,8 @@ LINKS
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a lot of useful Mingw-native development
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documentation.
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3. Mumit Khan's homepage (chief maintainer and driving
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force behing MinGW):
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http://www.xraylith.wisc.edu/~khan/software/gnu-win32/index.html
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This page provides descriptions of Cygwin, Mingw and
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several other similar packages. This information can
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sometimes lag the current release however.
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In particular the insights and recommendations for
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using Cygwin for MinGW compilation are very useful:
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http://www.xraylith.wisc.edu/~khan/software/gnu-win32/mno-cygwin-howto.txt
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(Some of this information may be outdated and inaccurate!)
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4. Check out the FLTK newsgroups at the FLTK homepage:
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3. Check out the FLTK newsgroups at the FLTK homepage:
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http://www.fltk.org/
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to check back through previous problems with this
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sort of configuration before posting new questions.
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5. Carl Thompson (member of the core team responsible
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4. Carl Thompson (member of the core team responsible
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for FLTK):
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http://www.carlthompson.net/
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Currently a pre-bundled development toolset may be
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found at:
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A pre-bundled development toolset tailored for use
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with an earlier version of FLTK may be found at:
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http://www.carlthompson.net/cygwin/
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6. GNU Compiler Collection (GCC) compiler homepage:
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However, this has not been actively maintained since
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the Cygwin and MinGW offerings are now more complete
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these days.
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5. GNU Compiler Collection (GCC) compiler homepage:
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http://gcc.gnu.org/
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7. OpenGL page - for OpenGL and GLUT libs
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6. OpenGL page - for OpenGL and GLUT libs
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http://www.opengl.org/
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BUILDING FLTK WITH CYGWIN OR MINGW
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@ -186,51 +175,32 @@ WHY DOES A CONSOLE WINDOW APPEAR WHEN I RUN MY PROGRAM
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Keep in mind that a windows application cannot send output
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to stdout, even if you run it from an existing console
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application.
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(Note: A special case of this exists if running a MinGW
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application from the command line of an MSYS shell, when an
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application is able to write to stdout, even if compiled with
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"-mwindows".)
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HOW DO I GET OPENGL TO WORK?
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The CygWin build automatically supports OpenGL.
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The MingW build disables OpenGL by default, since the
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standard MingW distribution lacks the OpenGL header files.
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Both builds should automatically support OpenGL.
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The configuration file config.h has a number of settings
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which control compile-time compilation. One such setting is
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"HAVE_GL" . By default this is set to 0 to disable Open GL
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operation. Changing the line in config.h to
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"HAVE_GL". This may be set to 0 to disable Open GL operation.
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Changing the line in config.h to
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#define HAVE_GL 1
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will change this to compile and link in OpenGL.
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In order for it to work you will need a few OpenGL headers
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for both Cygwin and MinGW. These are not part of the
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official distributions of Cygwin or MinGW, so they need to
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be added. The following page provides a ZIP file containing
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the OpenGL headers:
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http://www.carlthompson.net/fltk/
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These should be put in a "GL" subdirectory somewhere in your
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compiler's search path.
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You will also need an OpenGL library and an additional set
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of GLUT libraries.
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The OpenGL files are most likely already part of your
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operating system, and the GLUT libraries are in current
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versions of MinGW and Cygwin or may be found at:
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http://www.opengl.org/
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Do a search for 'GLUT windows' and the first couple of
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results will take you to the latest GLUT and OpenGL libs for
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Windows.
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The binaries (DLLs normally) need to be put somewhere on the
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system PATH. Consult the install documentation on the site
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for info.
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Many programs use OpenGL and GLUT so you may already have
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them on your system.
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