Annotation of gforth/INSTALL.DOS, revision 1.4

1.2       pazsan      1: You need DJ Delorie's port of GCC to DOS (DJGPP 2.0) to compile
                      2: Gforth. DJGPP provides a DPMI client that allows to use the 32-bit
                      3: features of the 80386, but on the other hand it requires at least a
                      4: 386. A DPMI host is also part of the DJGPP 2.0 package, this is
                      5: required if you don't have a DPMI host yourself (Windows/OS/2/Linux
                      6: DOS-box, Quemm or others).
1.1       pazsan      7: 
1.4     ! pazsan      8: Gforth hasn't been tested with EMX, using EMX will require some
        !             9: changes in the console IO part. For OS/2 EMX supports POSIX-style tty,
        !            10: so it might just compile out of the box. If you don't want to install
        !            11: the DJGPP package (quite large), look for a binary distribution of
        !            12: Gforth for DOS. You also must have a version of GNU make, because DOS
        !            13: make programs are likely to have problems with the Makefile. If you
        !            14: want to change Gforth, you may need GNU m4, too. Because DJGPP
        !            15: provides use of long filenames under Windows 95, you should unpack the
        !            16: gforth package with a Windows-95-aware archiver (those from DJGPP come
        !            17: in mind), because otherwise gforth will not find the necessary
        !            18: files. There is no such problem when using MS-DOS prior 7.x.
1.1       pazsan     19: 
                     20: If you don't bother and want to make it yourself, type
                     22: configure
1.2       pazsan     24: configure has the following useful parameters:
                     25:   --enable-force-reg      Use explicit register declarations if they appear in
                     26:                           the machine.h file. This can cause a good speedup,
                     27:                           but also incorrect code with some gcc versions on
                     28:                           some processors (default disabled).
                     29:   --enable-direct-threaded      Force direct threading. This may not work on
                     30:                                 some machines and may cause slowdown on others.
1.4     ! pazsan     31:                                 (default disabled)
1.2       pazsan     32:   --enable-indirect-threaded    Force indirect threading. This can cause a
                     33:                                 slowdown on some machines.
1.4     ! pazsan     34:                                 (default enabled)
1.1       pazsan     35: 
                     36: After covering all inconveniences, type
                     38: make
                     40: Now you can check whether your shiny new Forth system works. Say
                     42: make test
                     44: You can run some benchmarks with
                     46: make bench
                     48: and compare them with the results in Benchres and in the manual.
                     50: Don't try to do "make install", it won't work, either. It is not possible to
                     51: "make dist" or "make bindist", too, because of the limitations of DOS
                     52: command lines.
                     54: Add the following entry to your Autoexec.bat:
1.3       pazsan     56: SET GFORTHPATH=<your gforth source directory>;.
1.1       pazsan     57: 
1.3       pazsan     58: Use / instead of \ in your gforth source directory. Gforth now uses
1.4     ! pazsan     59: ';' as path separator, so you won't have problems with DOS pathes that
        !            60: may contain ':', which is the default path separator in Unix.
1.1       pazsan     61: 
                     62: For paper documentation, print (a Postscript file (300dpi
                     63: fonts, i.e., it works, but does not produce best quality on better
                     64: printers)), or say
                     66: make gforth.dvi
                     68: and print the resulting file gforth.dvi (you need TeX for that! But
                     69: with TeX you can print it even if you don't have a Postscript printer
                     70: nor Ghostscript).  You could be able to make a html version of the
                     71: document, but AFAIK there is no texi2html for DOS available, as there
                     72: is no perl available.

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