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Installation instructions

More installation notes specifically for Microsoft Windows.

                                  The FOX GUI Library Installation
                                  ================================

    Systems Which are Supported or Known to work:
    =============================================

      o Linux (gcc, INTEL C++), x86, IA64 (Itanium), x86-64 (Opteron).
      o Windows XP, 2K, NT, Windows 9x, (VC++, Cygwin, MinGW,
        Borland C++, Digital Mars C++, OpenWatcom C++, ... )
      o Digital Unix/COMPAQ Tru64  OSF1 3.2, 4.0x, 5.0x (gcc and DEC cxx).
      o SGI IRIX 5.3, 6.1, 6.2, 6.4, 6.5 (gcc and MIPS Pro C++)
      o SUN Solaris, SunOS (gcc, SUN WorkShop Compiler, SUN Forte C++)
      o HP-UX PA-RISC 9.x, 10.x and B.11.00, (gcc and aCC).
      o HP-UX B.11.22 Intel Itanium (IA64) using aCC.
      o AIX 4.2, 4.3
      o FreeBSD
      o Sequent DYNIX/ptx 4.4.7
      o IBM VisualAge C++ 3.5 (Windows)
      o Apple MAC OS-X.  You will need an X-Server, either Apple's or XFree.

    For most UNIX systems.
    ======================

    For most unix systems you can configure simply as:

            ./configure

    You can disable OpenGL support by configuring as:

            ./configure --disable-opengl.

    After configure runs its course, simply type ``make'' to build the library,
    and ``make install'' to install it.

    FOX should compile on most UNIX platforms; we have tested the following:
    SGI, IBM, HP, SUN, DEC, LINUX, all with gcc; however, FOX uses a fairly
    conservative subset of C++, and should be no problem to port to other, more
    primitive, C++ compilers.

    On some machines, the X11 header files are still K&R C, instead of ANSI-C.
    You might try define add "-fpermissive" to the CXXFLAGS environment variable
    prior to running configure (this is the flag for GCC; other compilers may
    have similar option for old K&R C).

    When programming against FOX, you should only have to include "fx.h", and
    for 3D programs, "fx3d.h".  To use keyboard symbols, include "fxkeys.h" also.
    Specifically, to remain portable application programs should NOT include any X
    window header files.

    You may of course need other system headers ("stdio.h", "gl.h", etc).

    Building for Debug or Release.
    ==============================

    Normal builds [w/o any special arguments to configure] will include assert and
    trace statements into the library, but no debug symbols.  This mode compiles
    the fastest and allows for tracing of the FOX library.  This mode is the
    recommended way to develop FOX applications, as it allows for resource tracing
    and internal consistency checks.

    Building for debug will add debug symbols as needed by your debugger.  It also
    includes assert and tracing into the library.  This setting is recommended if
    you need to debug the FOX library itself.  Full debug executables are build by
    configuring with:

            ./configure --enable-debug

    Release builds strip all debug information, asserts, and tracing, and generates
    optimized code.  The resulting library is the smallest/fastest, and this is the
    recommended setting for production code.  To build for release, use:

            ./configure --enable-release

    Building Shared or Non-Shared Libraries.
    ========================================

    You can build FOX either as shared library, static library, or both.  The
    default is both.  To build static library only [this may be necessary on
    certain systems where shared library support is lacking]:

            ./configure --disable-shared

    to build shared library only:

            ./configure  --disable-static

    Image File Format Support.
    ==========================

    FOX needs external libraries for JPEG, TIFF, and PNG image format. On
    some systems, such as Linux, *BSD, these are likely already installed
    on your system.  On Windows or older UNIX systems, they need to be
    compiled and installed first.  See below on how to override default
    locations on UNIX systems.

    The JPEG support is provided by jpegsrc.v6b.tar.gz, the PNG support
    by libpng-1.2.5.tar.gz (or a newer version).  The TIFF support is
    in tiff-v3.5.7.tar.gz (or later).  All these files are available on
    ftp.fox-toolkit.org.

    After these libraries have been compiled and installed, compile FOX
    with HAVE_TIFF_H=1, HAVE_PNG_H=1, HAVE_JPEG_H=1.

    The TIFF library may also need the JPEG library (JPEG is one of the
    tags supported in the TIFF format), so compile the JPEG library first.
    TIFF also needs the GNU compression library zlib (available as
    zlib-1.1.4.tar.gz (or later) on ftp.fox-toolkit.org).

    Compression Library Support.
    ============================

    Compressed FXStream support is enabled by installing zlib-1.1.4.tar.gz
    and bzip2-1.0.2.tar.gz (or later), then compiling FOX with HAVE_ZLIB_H=1
    and HAVE_BZ2LIB_H=1, respectively.  You do not need to install them on
    Linux, *BSD, but you probably do on Windows and older UNIX systems.

    Overriding Libraries.
    =====================

    The default libraries determined by configurations are not always the ones you
    want to use; therefore, there is a mechanism to override the default choices
    of the configuration system.

    The override is done simply by setting environment variables prior to running
    configure; make sure config.cache is removed if you've ran configure before.

    Configure allows for the following overrides:

            Environment Variable    Default value if not set
            ====================    ========================

            LIBJPEG                 -ljpeg
            LIBPNG                  -lpng
            LIBTIFF                 -ltiff
            LIBZ                    -lz
            LIBBZ2                  -lbz2
            LIBGL                   -lopengl32      (win32)
            LIBGLU                  -lglu32         (win32)
            LIBGL                   -lGL            (unix)
            LIBGLU                  -lGLU           (unix)

    On SGI IRIX 6.x
    ===============

    On SGI Systems where MIPS Pro C++ compiler is used instead of GCC, you will
    need to set the environment variable CXX to:

            CC -n32

    and then run:

            ./configure --x-libraries=/usr/lib32

    or, you can also build FOX for the 64 bit model, and set CXX to:

            CC -64

    and run configure with:

            ./configure --x-libraries=/usr/lib64

    The first argument is only needed if you also have MESA on your system.
    FOX searches for the png library [for Portable Network Graphics, the successor
    of GIF],  but the library it finds, even though it has the same name, is not
    the right one.  You will need to disable this feature, or download the PNG
    library from http://www.graphicswiz.com/png/ and compile it, and pass the
    appropriate flags for your compiler to find the new version.
    If compiling without PNG, pass the flag:  --disable-png; likewise, you
    can disable JPEG with the flag: --disable-jpeg.

    Using gcc 2.95.2 on IRIX 6.x (Thanks to Theo Venker)
    ====================================================

    You won`t believe the solution: rename FXApp.cpp to FXApp.C and everything
    is fine. The manual page of g++ says that it accepts C++ suffixes .C, .cc,
    .cxx, .cpp, and .c++, and it does, but for .cpp and .c++ it compiles with
    -D__LANGUAGE_C -D_LANGUAGE_C -DLANGUAGE_C whereas the others suffixes
    use -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS. This is clearly a
    bug in g++. I decided to wait for the next g++ release, so I didn`t
    report this to the g++ maintainers. May be you will.

    The work-arround is:

            export CC="g++ -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS"

    and then run configure.

    Building 64-bit code on Linux for x86-64 (AMD Opteron, Athlon64)
    ================================================================

    Linux for AMD Opteron supports execution of both 32 and 64 bit code
    on the same system; consequenly, two sets of libraries are installed.
    To configure properly, you will need to let ld search the right set
    of directories.  Here's how:

            export LDFLAGS="-L/usr/lib64 -L/usr/X11R6/lib64 -L/lib64"
            ./configure

    No other issues are known at this time.

    On Alpha Processor based Workstations (COMPAQ/DEC OSF1)
    =======================================================

    If you use DEC's "cxx" instead of GNU gcc, you will need to make sure the
    you add the flag option -D_XOPEN_SOURCE_EXTENDED to the compiler; this
    will allow usage of a wider set of POSIX functions; GCC seems to have
    this flag on by default, but the standard C++ compiler on OSF1 does not;
    thanks to thomas.goessler@avl.com for pointing this out.

    When compiling with gcc on Digital Unix, you may want to enable gradual
    underflow support for IEEE754 conformant floating point operations:

            export CXX="gcc -mieee"
            ./configure ....

    If this flag is NOT set, floating point operations which yield underflows
    will cause a floating point exception (SIGFPE).

    Many perfectly correct programs may generate underflows when working
    with small numbers (~1e-38 single precision, ~1e-308 double precision);
    working with these numbers may involve so-called denormalized floating
    point numbers, i.e. numbers where the mantissa can no longer be shifted
    to be within [0.5,1.0> range due to the exponent becoming 0.

    The ALPHA CPU does not include hardware do manipulate these numbers and
    will generate a trap when trying to manipulate these numbers; passing
    the "-mieee" flag will incorporate a software handler to ensure IEEE754
    conformant floating arithmetic.

    Compiling FOX with the SUN WorkShop Compiler
    ============================================

    To use the SUN compilers, simply configure FOX as follows:

      > cd fox
      > env CC=cc CXX=CC LD=CC ./configure

    Explanation:

    The SUN compilers require 'CC' to be used instead of 'ld' for creating the
    shared object library. This is to ensure that template instances will be
    included in the library. To build a static library 'CC -xar' should be
    used instead of 'ar' but there is no simple way to do this, due to
    limitations in 'libtool'.

    To get around this problem, the configure script invokes 'CC' with the
    argument '-instances=global', thus including template instances in the
    object file instead of using a template repository. This works fine and
    'ar' can be used to build a static object library.

    Daniel Gehriger

    Compiling FOX using the HP/UX C++ Compiler
    ==========================================

    You may want to use GNU make instead of HP's make (/usr/bin/make). The default
    version of make doesn't seem to process the dependencies for PathFinder
    correctly and thus doesn't generate the reswrapped icon header files. Since
    PathFinder is built after the library and all the test programs, this isn't
    a huge problem -- it just means that the build will stop at that point with
    an error message.

    Configure the build by typing:

        env CC="cc +DA2.0W" CXX="aCC +DA2.0W +W740,749,863" ./configure

    The "+DA2.0W" flag tells it to compile as 64 bit. The "+W740,749,863" option
    suppresses a few warning messages that we believe are safe to ignore ;)

    Compiling FOX using the HP/UX Itanium^2 aCC C++ Compiler
    ========================================================

    Assuming the aCC is installed in the recommended place:

        export CXX="aCC -fast -mt +DD64 -DHAVE_VSSCANF=1 -DHPOGL_SUPPRESS_FAST_API=1
                       -I/opt/aCC/include -I/opt/graphics/OpenGL/include -L/lib/hpux64
                       -L/usr/lib/hpux64 -L/opt/graphics/OpenGL/lib/hpux64"

    You may want to build the image support libraries also if you need them.

    Windows 95/98/ME/NT/XP Builds
    =============================

    We currently build FOX on a regular basis using Microsoft Visual C++ 6.0.
    There is also support for Mingw32, the latest net release of Cygwin (v1.1)
    and Borland C++. We have heard of mixed success with building under Symantec's
    C++ 7.5 compiler.

    A few things to keep in mind:

     1. If you want to include OpenGL support be sure to define the HAVE_OPENGL
        symbol on the compiler's command line, and to link your executables to
        the opengl32.lib and glu32.lib libraries.

     2. The native Windows version of FOX relies on an undocumented API called
        _TrackMouseEvent() which is found in comctl32.dll. You should be sure
        to link your FOX applications with the comctl32.lib import library.
        Note that for this function is only available for comctl32.dll
        versions 4.70 or later; the latest version of this DLL can be downloaded
        from Microsoft's web site:

    	http://www.microsoft.com/msdownload/ieplatform/ie/comctrlx86.asp

        If you are running Windows 98, Windows NT 4.0 SP3, or have installed
        Internet Explorer 4.0 or later, you *probably* already have the latest
        version of this DLL already.

     3. The FOX registry mechanism uses the regular Windows registry under the
        hood; those functions are found in advapi32.lib which is not always a
        standard library. If you get some unresolved symbols at link time (esp.
        with names beginning with "Reg") try adding advapi32.lib to the list
        of libraries.

     4. To build or use FOX as a DLL, the symbol FOXDLL must be defined; for
        building the core FOX library, FOXDLL_EXPORTS must also be defined.
        If FOXDLL_EXPORTS must NOT be not defined when you are just using FOX
        as a DLL.

     5. It is recommended that extension DLL's are compiled with FOXDLL but
        that you define your own symbol to signify export; for example, the
        CHART library is build with CHARTDLL_EXPORTS; since the CHART library
        USES FOX, it must import the core FOX library, yet export its own
        functions.

    Building with Microsoft Visual C++
    ==================================

    We now have a project workspace and project files set up for Win32 builds
    under Visual C++ 6.0. To use these, perform the following steps:

      1. Download the latest fox.tar.gz from the web site;

      2. Unzip & untar in your favorite place;

      3. Start Visual C++ and open the fox/windows/vcpp/win32.dsw workspace;

      4. Choose a project and build it. The project corresponding to the library
         itself is named "fox", and all of the other projects list it as a
         dependency. So if you choose, say, "glviewer" to build, it should first
         build the library and then build the glviewer test program.

    Building with Borland C++ Compilers
    ===================================

    The Borland makefiles are now tested semi-regularly against the free
    command-line compiler tools (compiler version 5.5) distributed by
    Borland/Inprise. We believe that they should also be usable for any recent
    Borland C++ compilers (e.g. Borland C++ Builder 3 or later).

    To build the FOX library, utility programs and example programs, change to the
    fox-0.99.xxx\windows\borland subdirectory and type "make". It should compile
    without a hitch, with the possible exception of building the OpenGL test
    programs in the "tests" subdirectory:

     + If you're using the free command-line compiler tools, you want to be sure
       that the %BCCDIR%\Lib\PSDK directory appears in the linker configuration
       file (%BCCDIR%\Bin\ilink32.cfg). If it isn't there, the linker won't know
       where to find the opengl32.lib and glu32.lib import libraries.

     + If you're using an older Borland compiler, you similarly want to be sure
       to have the updated OpenGL SDK for Win32 (including the OpenGL 1.2 header
       files and import libraries).

    If for some reason you don't have the correct header files and import libraries
    for OpenGL, and if OpenGL support isn't important for your project anyways,
    just modify the "Makefile.bc" in the fox-0.99.xxx\tests subdirectory so that
    it doesn't try to build the "glviewer.exe" or "gltest.exe" examples.

    Building FOX as a DLL
    =====================

    The FOX library can also be built as a DLL for Windows; this is done by
    selecting the "foxdll" project and building it. Building this project
    causes the import libraries and DLLs to be placed in fox/lib.
    The filenames are foxdll.lib and foxdll.dll for the Release build, or
    foxdlld.lib and foxdlld.dll for the Debug build.

    To compile your own FOX applications so that they use the FOX DLL instead of
    the static FOX library, be sure to define the FOXDLL symbol in your compiler
    flags. Also note that the DLL must be in your search path for the program to
    run!

    Building FOX using OpenWatcom C++
    =================================

    The OpenWatcom C++ compiler can be downloaded free of charge from:

             http://www.openwatcom.org.

    To use the OpenWatcom "patch" with a fresh copy of FOX vx.y.zz, please make
    sure you've installed OpenWatcom C++ v1.0 and executed the SETVARS.BAT file
    found in the OpenWatcom installation directory.
    The Makefile.wc files rely on a Watcom environment variable, %WATCOM%, to
    determine the location of the COMCTL32.LIB file.  Use the Makefile provided
    in windows/watcom/Makefile.
    Thanks to mikael@lyngvig.org for this port.

    Building FOX using MinGW
    ========================

    Please see the standard FOX documentation file, "Developing Win32 GUI
    Applications Using FOX", available in this distribution as the file
    "doc/win32.html".

    Building FOX using Cygwin 1.1
    =============================

    FOX can also be built against the latest net release of Cygwin, available
    for download from here:

    	http://sourceware.cygnus.com/cygwin/mirrors

    It absolutely will not compile with previous releases of Cygwin (i.e.
    Cygwin B20.1 or earlier), at least not without a lot of headaches. The
    win32api header files distributed with earlier versions of Cygwin were not
    up-to-date enough for FOX.

    It should compile out-of-the-box by typing:

    	./configure --disable-shared
    	make

    Building FOX on QNX
    ===================

    For those interested in using FOX with QNX, before running configure for
    FOX on QNX it might be a good idea to run:

            automake --add-missing
            libtoolize -f

    Doing so will ensure that the configuration files needed to detect QNX
    are present.

    Also, for now it is probably best to disable shared libraries when
    building FOX on QNX.  Programs linked with the FOX shared library will
    not run, but instead will segfault.  I plan on looking into a fix for
    this eventually.

    Dustin Graves

    Building on MAC OS-X
    ====================

    When building on Mac OS-X, the following might help:

            CXX="c++ -I/sw/include -L/sw/lib
            ./configure

    This might help; no guarantees, I can not test this myself....

    Image Formats in File Browser
    =============================

    By default, all available image formats are supported in the File and
    Directory Browsers.  Some of these image formats require external
    library support and consequently the size of your application executables
    may be reduced by limiting the supported formats to those supported in
    the core library; the image formats supported in the core library do
    not require external libraries and therefore supporting them does not
    incur any additional "code bloat".

    To support only the core image formats, pass the compiler flag:

            -DCORE_IMAGE_FORMATS=1

    This will enable all available image formats.  This will necessitate every FOX
    application to link to the image libraries!!

    Another flag is the default icon search path, i.e. where the file browser will
    normally look to find and load icons bound to file extensions.
    The path below will cause the system to look in three different directories:

        -DDEFAULICONPATH="~/.foxicons:/usr/local/share/icons:/usr/share/icons"

    This would be a common setting for LINUX.  Note that this is only the default;
    the actual search path can by set at any time by means of the FOX registry setting:

        [SETTINGS]
        iconpath="/home/extraicondir:/usr/share/icons"

Copyright © 1997-2022 Jeroen van der Zijp