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cb223271cb910976e0e1be3e36768e468638200a
nethack/include/pcconf.h
nhmall cb223271cb add cross-compile recipe for amiga 
Disclaimer: This is a minimal recipe, just to get someone else
started if they have a desire to get a full cross-compile of
NetHack-3.7 going for the Amiga. Some NetHack code bitrot was
corrected, and it does seem able to compile the game itself
to a point. See caveats below.

- If you want to obtain the cross-compiler and tools/libs for Amiga
         https://github.com/bebbo/amiga-gcc

  To our knowledge, a pre-built copy isn't available, so you have to
  obtain the source via git and build it on your system.

  The build prerequisite packages for Ubuntu are easily obtained:

    sudo apt install make wget git gcc g++ lhasa libgmp-dev \
        libmpfr-dev libmpc-dev flex bison gettext texinfo ncurses-dev \
        autoconf rsync

  The build prerequisite packages for macOS are apparently easily
  obtained via homebrew, but that was not tested:

    brew install bash wget make lhasa gmp mpfr libmpc flex gettext \
    texinfo gcc make autoconf

  After installing the prerequite packages and the cross-compiler
  it was a straightforward build:

        git clone https://github.com/bebbo/amiga-gcc.git
        cd amiga-gcc
        make update
    [Note that you may have to take ownership of the files in the
     bebbo repo via chown before succesfully carrying out the next
     steps]
        make clean
        make clean-prefix
        date; make all -j3 >&b.log; date
  The compiler pieces are installed in /opt/amiga by default which
  was satisfactory for our initial attempt, but if you want you can
  alter the prefix before you build if you want. That is all
  spelled out on the page at: https://github.com/bebbo/amiga-gcc

  The Amiga cross-compile can then be carried out by specifying
  CROSS_TO_AMIGA=1 on the make command line.

  For example:
       make CROSS_TO_AMIGA=1 all
       make CROSS_TO_AMIGA=1 package

You can explicitly include tty and curses support if desired, otherwise
you'll end up with a tty-only cross-compile build. The SDL1 pdcurses
support has not been tested.

       make WANT_WIN_TTY=1 WANT_WIN_CURSES=1 CROSS_TO_AMIGA=1 all

Also note that building the amiga targets using the make command
above, does not preclude you from building local linux or macOS
targets as well. Just drop the CROSS_TO_AMIGA=1 from the make
command line.

The cross-compiler hints additions are enclosed inside ifdef sections
and won't interfere with the non-cross-compile build in that case.

CAVEATS: The original NetHack Amiga build steps included the source for
some utilities that were built and executed on the amiga: txt2iff and
xpm2iff as part of the NetHack build procedure on amiga. Those did not
compile out-of-the-box on the linux host. They will either have to be:
    - ported to build and run on the linux or macOS cross-compile host

   or

    - their functionality will have to be rolled into amiga NetHack
      itself and executed on the target Amiga the first time the game
      is run, perhaps.

Good luck amiga aficionados, perhaps you'll be able to take this
initial effort forward and get NetHack-3.7 available on the amiga or
amiga-emulator. Let us know if you do, and we can roll changes in
if you provide them.
2020-09-28 17:30:22 -04:00

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/* NetHack 3.7 pcconf.h $NHDT-Date: 1596498554 2020/08/03 23:49:14 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.28 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Michael Allison, 2006. */
/* NetHack may be freely redistributed. See license for details. */
#ifndef PCCONF_H
#define PCCONF_H
#define MICRO /* always define this! */
#ifdef MSDOS /* some of this material is MS-DOS specific */
/*
* Automatic Defines:
*
* __GO32__ is defined automatically by the djgpp port of gcc.
* __DJGPP__ is defined automatically by djgpp version 2 and above.
* _MSC_VER is defined automatically by Microsoft C.
* __BORLANDC__ is defined automatically by Borland C.
* __SC__ is defined automatically by Symantec C.
* Note: 3.6.x was not verified with Symantec C.
*/
#define CONFIG_FILE "defaults.nh"
#define GUIDEBOOK_FILE "Guidebook.txt"
/*
* The following options are somewhat configurable depending on
* your compiler.
*/
/*
* For pre-V7.0 Microsoft Compilers only, manually define OVERLAY here.
*/
/*#define OVERLAY */ /* Manual overlay definition (MSC 6.0ax only) */
#ifndef AMIGA_CROSS
#define SHELL /* via exec of COMMAND.COM */
#endif
/*
* Screen control options
*
* You may uncomment:
* ANSI_DEFAULT
* or TERMLIB
* or ANSI_DEFAULT and TERMLIB
* or NO_TERMS
*/
/* # define TERMLIB */ /* enable use of termcap file /etc/termcap */
/* or ./termcap for MSDOS (SAC) */
/* compile and link in Fred Fish's termcap library, */
/* enclosed in TERMCAP.ARC, to use this */
/* # define ANSI_DEFAULT */ /* allows NetHack to run without a ./termcap */
#define NO_TERMS /* Allows Nethack to run without ansi.sys by linking */
/* screen routines into the .exe */
#ifdef NO_TERMS /* if NO_TERMS select one screen package below */
#define SCREEN_BIOS /* Use bios calls for all screen control */
/* #define SCREEN_DJGPPFAST */ /* Use djgpp fast screen routines */
#endif
/* # define PC9800 */ /* Allows NetHack to run on NEC PC-9800 machines */
/* Yamamoto Keizo */
/*
* PC video hardware support options (for graphical tile support)
*
* You may uncomment any/all of the options below.
*
*/
#ifndef SUPPRESS_GRAPHICS
#if (defined(SCREEN_BIOS) || defined(SCREEN_DJGPPFAST)) && !defined(PC9800)
#ifdef USE_TILES
#define SCREEN_VGA /* Include VGA graphics routines in the build */
#define SCREEN_VESA
#endif
#endif
#else
#undef NO_TERMS
#undef SCREEN_BIOS
#undef SCREEN_DJGPPFAST
#undef SCREEN_VGA
#undef SCREEN_VESA
#undef TERMLIB
#define ANSI_DEFAULT
#endif
#ifndef AMIGA_CROSS
#define RANDOM /* have Berkeley random(3) */
#endif
#define MAIL /* Allows for fake mail daemon to deliver mail */
/* in the MSDOS version. (For AMIGA MAIL see */
/* amiconf.h). In the future this will be the */
/* hook for mail reader implementation. */
/* The following is needed for prototypes of certain functions */
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__SC__)
#include <process.h> /* Provides prototypes of exit(), spawn() */
#endif
#ifdef AMIGA_CROSS
#include <spawn.h>
#endif
#if defined(_MSC_VER) && (_MSC_VER >= 7)
#include <sys/types.h>
#include <stdlib.h>
#ifdef strcmpi
#undef strcmpi
#endif
#include <string.h> /* Provides prototypes of strncmpi(), etc. */
#include <conio.h>
#include <io.h>
#include <direct.h>
#define SIG_RET_TYPE void(__cdecl *)(int)
#define M(c) ((char) (0x80 | (c)))
#define vprintf printf
#define vfprintf fprintf
#define vsprintf sprintf
#endif
#if defined(__BORLANDC__) && defined(STRNCMPI)
#include <string.h> /* Provides prototypes of strncmpi(), etc. */
#endif
#if defined(__DJGPP__)
#define _NAIVE_DOS_REGS
#include <stdlib.h>
#include <string.h> /* Provides prototypes of strncmpi(), etc. */
#ifndef M
#define M(c) ((char) (0x80 | (c)))
#endif
#endif
/*
* On the VMS and unix, this option controls whether a delay is done by
* the clock, or whether it is done by excess output. On the PC, however,
* there is always a clock to use for the delay. The TIMED_DELAY option
* on MSDOS (without the termcap routines) is used to determine whether to
* include the delay routines in the code (and thus, provides a compile time
* method to turn off napping for visual effect). However, it is also used
* in the music code to wait between different notes. So it is needed in that
* case as well.
* Whereas on the VMS and unix, flags.nap is a run-time option controlling
* whether there is a delay by clock or by excess output, on MSDOS it is
* simply a flag to turn on or off napping for visual effects at run-time.
*/
#define TIMED_DELAY /* enable the `timed_delay' run-time option */
#define NOCWD_ASSUMPTIONS /* Allow paths to be specified for HACKDIR, \
LEVELDIR, SAVEDIR, BONESDIR, DATADIR, \
SCOREDIR, LOCKDIR, CONFIGDIR, and TROUBLEDIR. \
*/
#endif /* MSDOS configuration stuff */
#ifndef PATHLEN
#define PATHLEN 64 /* maximum pathlength */
#endif
#define FILENAME 80 /* maximum filename length (conservative) */
#ifndef MICRO_H
#include "micro.h" /* contains necessary externs for [os_name].c */
#endif
/* ===================================================
* The remaining code shouldn't need modification.
*/
#ifndef SYSTEM_H
#if !defined(_MSC_VER)
#include "system.h"
#endif
#endif
#ifdef __DJGPP__
#include <unistd.h> /* close(), etc. */
/* lock() in io.h interferes with lock[] in decl.h */
#define lock djlock
#include <io.h>
#undef lock
#include <pc.h> /* kbhit() */
#define PC_LOCKING
#define SELF_RECOVER /* NetHack itself can recover games */
#endif
#ifdef MSDOS
#ifndef EXEPATH
#define EXEPATH /* HACKDIR is .exe location if not explicitly defined */
#endif
#endif
#if defined(_MSC_VER) && defined(MSDOS)
#if (_MSC_VER >= 700) && !defined(FUNCTION_LEVEL_LINKING)
#ifndef MOVERLAY
#define MOVERLAY /* Microsoft's MOVE overlay system (MSC >= 7.0) */
#endif
#endif
#define PC_LOCKING
#endif
/* Borland Stuff */
#if defined(__BORLANDC__)
#if defined(__OVERLAY__) && !defined(VROOMM)
/* __OVERLAY__ is automatically defined by Borland C if overlay option is on
*/
#define VROOMM /* Borland's VROOMM overlay system */
#endif
#if !defined(STKSIZ)
#define STKSIZ 5 * 1024 /* Use a default of 5K stack for Borland C */
/* This macro is used in any file that contains */
/* a main() function. */
#endif
#define PC_LOCKING
#endif
#ifdef PC_LOCKING
#define HLOCK "NHPERM"
#endif
#ifndef index
#define index strchr
#endif
#ifndef rindex
#define rindex strrchr
#endif
#ifndef AMIGA
#include <time.h>
#endif
/* the high quality random number routines */
#ifndef USE_ISAAC64
# ifdef RANDOM
# define Rand() random()
# else
# define Rand() rand()
# endif
#endif
#ifndef TOS
#define FCMASK 0660 /* file creation mask */
#endif
#include <fcntl.h>
#ifdef MSDOS
#define TEXTCOLOR /* */
#define PORT_HELP "msdoshlp.txt" /* msdos port specific help file */
#endif
/* Sanity check, do not modify these blocks. */
/* OVERLAY must be defined with MOVERLAY or VROOMM */
#if (defined(MOVERLAY) || defined(VROOMM))
#ifndef OVERLAY
#define OVERLAY
#endif
#endif
#if defined(FUNCTION_LEVEL_LINKING)
#define OVERLAY
#endif
#if defined(OVERLAY) && !defined(MOVERLAY) && !defined(VROOMM) \
&& !defined(FUNCTION_LEVEL_LINKING)
#define USE_TRAMPOLI
#endif
#if defined(MSDOS) && defined(NO_TERMS)
#ifdef TERMLIB
#if defined(_MSC_VER) || defined(__SC__)
#pragma message("Warning -- TERMLIB defined with NO_TERMS in pcconf.h")
#pragma message(" Forcing undef of TERMLIB")
#endif
#undef TERMLIB
#endif
#ifdef ANSI_DEFAULT
#if defined(_MSC_VER) || defined(__SC__)
#pragma message("Warning -- ANSI_DEFAULT defined with NO_TERMS in pcconf.h")
#pragma message(" Forcing undef of ANSI_DEFAULT")
#endif
#undef ANSI_DEFAULT
#endif
/* only one screen package is allowed */
#if defined(SCREEN_BIOS) && defined(SCREEN_DJGPPFAST)
#if defined(_MSC_VER) || defined(__SC__)
#pragma message("Warning -- More than one screen package defined in pcconf.h")
#endif
#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__SC__)
#if defined(SCREEN_DJGPPFAST)
#if defined(_MSC_VER) || defined(__SC__)
#pragma message(" Forcing undef of SCREEN_DJGPPFAST")
#endif
#undef SCREEN_DJGPPFAST /* Can't use djgpp fast with other compilers anyway \
*/
#endif
#else
/* djgpp C compiler */
#if defined(SCREEN_BIOS)
#undef SCREEN_BIOS
#endif
#endif
#endif
#define ASCIIGRAPH
#ifdef TEXTCOLOR
#define VIDEOSHADES
#endif
/* SCREEN_8514, SCREEN_VESA are only placeholders presently - sub VGA instead
*/
#if defined(SCREEN_8514)
#undef SCREEN_8514
#define SCREEN_VGA
#endif
/* Graphical tile sanity checks */
#ifdef SCREEN_VGA
#define SIMULATE_CURSOR
#define POSITIONBAR
/* Select appropriate tile file format, and map size */
#define PLANAR_FILE
#define SMALL_MAP
#endif
#endif /* End of sanity check block */
#if defined(MSDOS) && defined(DLB)
#define FILENAME_CMP stricmp /* case insensitive */
#endif
#if defined(_MSC_VER) && (_MSC_VER >= 7)
#pragma warning(disable : 4131)
#pragma warning(disable : 4135)
#pragma warning(disable : 4309)
#pragma warning(disable : 4746)
#pragma warning(disable : 4761)
#endif
#ifdef TIMED_DELAY
#ifdef __DJGPP__
#define msleep(k) (void) usleep((k) *1000)
#endif
#ifdef __BORLANDC__
#define msleep(k) delay(k)
#endif
#ifdef __SC__
#define msleep(k) (void) usleep((long)((k) *1000))
#endif
#endif
#endif /* PCCONF_H */
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