nethack-gwaa-kiwi/nethack
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compiling isaac64.c

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Revise isaac64.c so that it can be compiled unconditionally and
yield nothing if USE_ISAAC64 isn't defined.  Necessary for building
via vmsbuild.com.
This commit is contained in:
PatR
2019-02-10 13:41:45 -08:00
parent 16dc5870cb
commit f067a3e9ff
2 changed files with 25 additions and 12 deletions
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33
src/isaac64.c
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@@ -1,32 +1,42 @@
/*Written by Timothy B. Terriberry (tterribe@xiph.org) 1999-2009
CC0 (Public domain) - see http://creativecommons.org/publicdomain/zero/1.0/ for details
CC0 (Public domain) - see http://creativecommons.org/publicdomain/zero/1.0/
for details.
Based on the public domain ISAAC implementation by Robert J. Jenkins Jr.*/
/*
* Changes for NetHack:
* include config.h;
* skip rest of file if USE_ISAAC64 isn't defined there;
* re-do 'inline' handling.
*/
#include "config.h"
#ifdef USE_ISAAC64
#include <math.h>
#include <string.h>
#include "isaac64.h"
#define ISAAC64_MASK ((uint64_t)0xFFFFFFFFFFFFFFFFULL)
#if (defined(__STDC__) && __STDC_VERSION__ >= 199901L)
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
#define HAS_INLINE
#else
# if (defined(__GNUC__) && __GNUC__ >= 2 && !defined(inline))
# define inline __inline__
# endif
#endif
#if !defined(HAS_INLINE) && !defined(inline)
#define inline /*empty*/
#endif
/* Extract ISAAC64_SZ_LOG bits (starting at bit 3). */
#ifdef HAS_INLINE
static inline uint32_t lower_bits(uint64_t x)
#else
static uint32_t lower_bits(uint64_t x)
#endif
{
return (x & ((ISAAC64_SZ-1) << 3)) >>3;
}
/* Extract next ISAAC64_SZ_LOG bits (starting at bit ISAAC64_SZ_LOG+2). */
#ifdef HAS_INLINE
static inline uint32_t upper_bits(uint64_t y)
#else
static uint32_t upper_bits(uint64_t y)
#endif
{
return (y >> (ISAAC64_SZ_LOG+3)) & (ISAAC64_SZ-1);
}
@@ -159,3 +169,6 @@ uint64_t isaac64_next_uint(isaac64_ctx *_ctx,uint64_t _n){
while(((d+_n-1)&ISAAC64_MASK)<d);
return v;
}
#endif /* USE_ISAAC64 */
/*isaac64.c*/

4
sys/unix/Makefile.src
View File

@@ -1,5 +1,5 @@
# NetHack Makefile.
# NetHack 3.6 Makefile.src $NHDT-Date: 1546220381 2018/12/31 01:39:41 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.67 $
# NetHack 3.6 Makefile.src $NHDT-Date: 1549834883 2019/02/10 21:41:23 $ $NHDT-Branch: NetHack-3.6.2-beta01 $:$NHDT-Revision: 1.69 $
# Copyright (c) 2018 by Pasi Kallinen
# NetHack may be freely redistributed. See license for details.
@@ -1013,7 +1013,7 @@ fountain.o: fountain.c $(HACK_H)
hack.o: hack.c $(HACK_H)
hacklib.o: hacklib.c $(HACK_H)
invent.o: invent.c $(HACK_H)
isaac64.o: isaac64.c ../include/isaac64.h ../include/integer.h
isaac64.o: isaac64.c $(CONFIG_H) ../include/isaac64.h ../include/integer.h
light.o: light.c $(HACK_H) ../include/lev.h
lock.o: lock.c $(HACK_H)
mail.o: mail.c $(HACK_H) ../include/mail.h