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nethack/include/global.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 global.h $NHDT-Date: 1594032649 2020/07/06 10:50:49 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.104 $ */
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/*-Copyright (c) Michael Allison, 2006. */
/* NetHack may be freely redistributed. See license for details. */
#ifndef GLOBAL_H
#define GLOBAL_H
#include <stdio.h>
/*
* Files expected to exist in the playground directory.
*/
#define RECORD "record" /* file containing list of topscorers */
#define HELP "help" /* file containing command descriptions */
#define SHELP "hh" /* abbreviated form of the same */
#define KEYHELP "keyhelp" /* explanatory text for 'whatdoes' command */
#define DEBUGHELP "wizhelp" /* file containing debug mode cmds */
#define RUMORFILE "rumors" /* file with fortune cookies */
#define ORACLEFILE "oracles" /* file with oracular information */
#define DATAFILE "data" /* file giving the meaning of symbols used */
#define CMDHELPFILE "cmdhelp" /* file telling what commands do */
#define HISTORY "history" /* file giving nethack's history */
#define LICENSE "license" /* file with license information */
#define OPTIONFILE "opthelp" /* file explaining runtime options */
#define OPTIONS_USED "options" /* compile-time options, for #version */
#define SYMBOLS "symbols" /* replacement symbol sets */
#define EPITAPHFILE "epitaph" /* random epitaphs on graves */
#define ENGRAVEFILE "engrave" /* random engravings on the floor */
#define BOGUSMONFILE "bogusmon" /* hallucinatory monsters */
#define TRIBUTEFILE "tribute" /* 3.6 tribute to Terry Pratchett */
#define LEV_EXT ".lua" /* extension for special level files */
/* Assorted definitions that may depend on selections in config.h. */
/*
* for DUMB preprocessor and compiler, e.g., cpp and pcc supplied
* with Microport SysV/AT, which have small symbol tables;
* DUMB if needed is defined in CFLAGS
*/
#ifdef DUMB
#ifdef BITFIELDS
#undef BITFIELDS
#endif
#ifndef STUPID
#define STUPID
#endif
#endif /* DUMB */
/*
* type xchar: small integers in the range 0 - 127, usually coordinates
* although they are nonnegative they must not be declared unsigned
* since otherwise comparisons with signed quantities are done incorrectly
*/
typedef schar xchar;
#ifdef __MINGW32__
/* Resolve conflict with Qt 5 and MinGW-w32 */
typedef unsigned char boolean; /* 0 or 1 */
#else
#ifndef SKIP_BOOLEAN
typedef xchar boolean; /* 0 or 1 */
#endif
#endif
#ifndef TRUE /* defined in some systems' native include files */
#define TRUE ((boolean) 1)
#define FALSE ((boolean) 0)
#endif
enum optchoice { opt_in, opt_out};
/*
* type nhsym: loadable symbols go into this type
*/
typedef uchar nhsym;
#ifndef STRNCMPI
#ifndef __SASC_60 /* SAS/C already shifts to stricmp */
#define strcmpi(a, b) strncmpi((a), (b), -1)
#endif
#endif
#if 0
/* comment out to test effects of each #define -- these will probably
* disappear eventually
*/
#ifdef INTERNAL_COMP
#define RLECOMP /* run-length compression of levl array - JLee */
#define ZEROCOMP /* zero-run compression of everything - Olaf Seibert */
#endif
#endif
/* #define SPECIALIZATION */ /* do "specialized" version of new topology */
#ifdef BITFIELDS
#define Bitfield(x, n) unsigned x : n
#else
#define Bitfield(x, n) uchar x
#endif
#define SIZE(x) (int)(sizeof(x) / sizeof(x[0]))
/* A limit for some NetHack int variables. It need not, and for comparable
* scoring should not, depend on the actual limit on integers for a
* particular machine, although it is set to the minimum required maximum
* signed integer for C (2^15 -1).
*/
#define LARGEST_INT 32767
#include "coord.h"
#if defined(CROSSCOMPILE)
struct cross_target_s {
const char *build_date;
const char *copyright_banner_c;
const char *git_sha;
const char *git_branch;
const char *version_string;
const char *version_id;
unsigned long version_number;
unsigned long version_features;
unsigned long ignored_features;
unsigned long version_sanity1;
unsigned long version_sanity2;
unsigned long version_sanity3;
unsigned long build_time;
};
extern struct cross_target_s cross_target;
#if defined(CROSSCOMPILE_TARGET) && !defined(MAKEDEFS_C)
#define BUILD_DATE cross_target.build_date /* "Wed Apr 1 00:00:01 2020" */
#define COPYRIGHT_BANNER_C cross_target.copyright_banner_c
#define NETHACK_GIT_SHA cross_target.git_sha
#define NETHACK_GIT_BRANCH cross_target.git_branch
#define VERSION_ID cross_target.version_id
#define IGNORED_FEATURES cross_target.ignored_features
#define VERSION_FEATURES cross_target.version_features
#define VERSION_NUMBER cross_target.version_number
#define VERSION_SANITY1 cross_target.version_sanity1
#define VERSION_SANITY2 cross_target.version_sanity2
#define VERSION_SANITY3 cross_target.version_sanity3
#define VERSION_STRING cross_target.version_string
#define BUILD_TIME cross_target.build_time /* (1574157640UL) */
#endif /* CROSSCOMPILE_TARGET && !MAKEDEFS_C */
#endif /* CROSSCOMPILE */
/*
* Automatic inclusions for the subsidiary files.
* Please don't change the order. It does matter.
*/
#ifdef VMS
#include "vmsconf.h"
#endif
#ifdef UNIX
#include "unixconf.h"
#endif
#ifdef MSDOS
#include "pcconf.h"
#endif
#ifdef WIN32
#include "ntconf.h"
#endif
#ifdef AMIGA
#include "amiconf.h"
#endif
/* Displayable name of this port; don't redefine if defined in *conf.h */
#ifndef PORT_ID
#ifdef AMIGA
#define PORT_ID "Amiga"
#endif
#ifdef MAC
#define PORT_ID "Mac"
#endif
#ifdef __APPLE__
#define PORT_ID "MacOSX"
#endif
#ifdef MSDOS
#ifdef PC9800
#define PORT_ID "PC-9800"
#else
#define PORT_ID "PC"
#endif
#ifdef DJGPP
#define PORT_SUB_ID "djgpp"
#else
#ifdef OVERLAY
#define PORT_SUB_ID "overlaid"
#else
#define PORT_SUB_ID "non-overlaid"
#endif
#endif
#endif
#ifdef OS2
#define PORT_ID "OS/2"
#endif
#ifdef TOS
#define PORT_ID "ST"
#endif
/* Check again in case something more specific has been defined above. */
#ifndef PORT_ID
#ifdef UNIX
#define PORT_ID "Unix"
#endif
#endif
#ifdef VMS
#define PORT_ID "VMS"
#endif
#ifdef WIN32
#define PORT_ID "Windows"
#endif
#endif
#if !defined(CROSSCOMPILE)
#if defined(MICRO)
#if !defined(AMIGA) && !defined(TOS) && !defined(OS2_HPFS)
#define SHORT_FILENAMES /* filenames are 8.3 */
#endif
#endif
#endif
#ifdef VMS
/* vms_exit() (sys/vms/vmsmisc.c) expects the non-VMS EXIT_xxx values below.
* these definitions allow all systems to be treated uniformly, provided
* main() routines do not terminate with return(), whose value is not
* so massaged.
*/
#ifdef EXIT_SUCCESS
#undef EXIT_SUCCESS
#endif
#ifdef EXIT_FAILURE
#undef EXIT_FAILURE
#endif
#endif
#ifndef EXIT_SUCCESS
#define EXIT_SUCCESS 0
#endif
#ifndef EXIT_FAILURE
#define EXIT_FAILURE 1
#endif
#if defined(X11_GRAPHICS) || defined(QT_GRAPHICS) || defined(GNOME_GRAPHICS) \
|| defined(WIN32)
#ifndef USE_TILES
#define USE_TILES /* glyph2tile[] will be available */
#endif
#endif
#if defined(AMII_GRAPHICS) || defined(GEM_GRAPHICS)
#ifndef USE_TILES
#define USE_TILES
#endif
#endif
#if defined(UNIX) || defined(VMS) || defined(__EMX__) || defined(WIN32)
#define HANGUPHANDLING
#endif
#if defined(SAFERHANGUP) \
&& (defined(NOSAVEONHANGUP) || !defined(HANGUPHANDLING))
#undef SAFERHANGUP
#endif
#define Sprintf (void) sprintf
#define Strcat (void) strcat
#define Strcpy (void) strcpy
#ifdef NEED_VARARGS
#define Vprintf (void) vprintf
#define Vfprintf (void) vfprintf
#define Vsprintf (void) vsprintf
#endif
/*
* Memory allocation. Functions are declared here rather than in
* extern.h so that source files which use config.h instead of hack.h
* will see the declarations.
*
* NetHack does not use malloc() [except to implement alloc() in alloc.c]
* or realloc() or calloc(). They return Null if memory runs out and
* nethack's code relies on alloc() to intercept that so that a zillion
* callers don't need to test for Null result. alloc() never returns
* Null; if memory runs out, it calls panic() and does not return at all.
*/
/* dupstr() is unconditional in alloc.c but not used when MONITOR_HEAP
is enabled; some utility programs link with alloc.{o,obj} and need it
if nethack is built with MONITOR_HEAP enabled and they aren't; this
declaration has been moved out of the '#else' below to avoid getting
a complaint from -Wmissing-prototypes when building with MONITOR_HEAP */
extern char *FDECL(dupstr, (const char *));
/*
* MONITOR_HEAP is conditionally used for primitive memory leak debugging.
* When enabled, NH_HEAPLOG (if defined in the environment) is used as the
* name of a log file to create for capturing allocations and releases.
* [The 'heaputil' program to analyze that file isn't included in releases.]
*
* See alloc.c.
*/
#ifdef MONITOR_HEAP
/* plain alloc() is not declared except in alloc.c */
extern long *FDECL(nhalloc, (unsigned int, const char *, int));
extern void FDECL(nhfree, (genericptr_t, const char *, int));
extern char *FDECL(nhdupstr, (const char *, const char *, int));
/* this predates C99's __func__; that is trickier to use conditionally
because it is not implemented as a preprocessor macro; MONITOR_HEAP
wouldn't gain much benefit from it anyway so continue to live without it;
if func's caller were accessible, that would be a very different issue */
#ifndef __FILE__
#define __FILE__ ""
#endif
#ifndef __LINE__
#define __LINE__ 0
#endif
#define alloc(a) nhalloc(a, __FILE__, (int) __LINE__)
#define free(a) nhfree(a, __FILE__, (int) __LINE__)
#define dupstr(s) nhdupstr(s, __FILE__, (int) __LINE__)
#else /* !MONITOR_HEAP */
/* declare alloc.c's alloc(); allocations made with it use ordinary free() */
extern long *FDECL(alloc, (unsigned int)); /* alloc.c */
#endif /* ?MONITOR_HEAP */
/* Used for consistency checks of various data files; declare it here so
that utility programs which include config.h but not hack.h can see it. */
struct version_info {
unsigned long incarnation; /* actual version number */
unsigned long feature_set; /* bitmask of config settings */
unsigned long entity_count; /* # of monsters and objects */
unsigned long struct_sizes1; /* size of key structs */
unsigned long struct_sizes2; /* size of more key structs */
};
struct savefile_info {
unsigned long sfi1; /* compression etc. */
unsigned long sfi2; /* miscellaneous */
unsigned long sfi3; /* thirdparty */
};
#ifdef NHSTDC
#define SFI1_EXTERNALCOMP (1UL)
#define SFI1_RLECOMP (1UL << 1)
#define SFI1_ZEROCOMP (1UL << 2)
#else
#define SFI1_EXTERNALCOMP (1L)
#define SFI1_RLECOMP (1L << 1)
#define SFI1_ZEROCOMP (1L << 2)
#endif
/*
* Configurable internal parameters.
*
* Please be very careful if you are going to change one of these. Any
* changes in these parameters, unless properly done, can render the
* executable inoperative.
*/
/* size of terminal screen is (at least) (ROWNO+3) by COLNO */
#define COLNO 80
#define ROWNO 21
#define MAXNROFROOMS 40 /* max number of rooms per level */
#define MAX_SUBROOMS 24 /* max # of subrooms in a given room */
#define DOORMAX 120 /* max number of doors per level */
#define BUFSZ 256 /* for getlin buffers */
#define QBUFSZ 128 /* for building question text */
#define TBUFSZ 300 /* g.toplines[] buffer max msg: 3 81char names */
/* plus longest prefix plus a few extra words */
#define PL_NSIZ 32 /* name of player, ghost, shopkeeper */
#define PL_CSIZ 32 /* sizeof pl_character */
#define PL_FSIZ 32 /* fruit name */
#define PL_PSIZ 63 /* player-given names for pets, other monsters, objects */
#define MAXDUNGEON 16 /* current maximum number of dungeons */
#define MAXLEVEL 32 /* max number of levels in one dungeon */
#define MAXSTAIRS 1 /* max # of special stairways in a dungeon */
#define ALIGNWEIGHT 4 /* generation weight of alignment */
#define MAXULEV 30 /* max character experience level */
#define MAXMONNO 120 /* extinct monst after this number created */
#define MHPMAX 500 /* maximum monster hp */
/*
* Version 3.7.x has aspirations of portable file formats. We
* make a distinction between MAIL functionality and MAIL_STRUCTURES
* so that the underlying structures are consistent, whether MAIL is
* defined or not.
*/
#define MAIL_STRUCTURES
/* PANICTRACE: Always defined for NH_DEVEL_STATUS != NH_STATUS_RELEASED
but only for supported platforms. */
#ifdef UNIX
#if (NH_DEVEL_STATUS != NH_STATUS_RELEASED)
/* see end.c */
#ifndef PANICTRACE
#define PANICTRACE
#endif
#endif
#endif
/* The following are meaningless if PANICTRACE is not defined: */
#if defined(__linux__) && defined(__GLIBC__) && (__GLIBC__ >= 2)
#define PANICTRACE_LIBC
#endif
#if defined(MACOSX)
#define PANICTRACE_LIBC
#endif
#ifdef UNIX
#define PANICTRACE_GDB
#endif
/* Supply nethack_enter macro if not supplied by port */
#ifndef nethack_enter
#define nethack_enter(argc, argv) ((void) 0)
#endif
/* Supply nhassert macro if not supplied by port */
#ifndef nhassert
#define nhassert(e) ((void)0)
#endif
#endif /* GLOBAL_H */
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