| /* |
| * Copyright (c) 2004, 2005 by |
| * Ralf Corsepius, Ulm/Germany. All rights reserved. |
| * |
| * Permission to use, copy, modify, and distribute this software |
| * is freely granted, provided that this notice is preserved. |
| */ |
| |
| #ifndef _SYS__INTSUP_H |
| #define _SYS__INTSUP_H |
| |
| #include <sys/features.h> |
| |
| #if __GNUC_PREREQ (3, 2) |
| /* gcc > 3.2 implicitly defines the values we are interested */ |
| #define __STDINT_EXP(x) __##x##__ |
| #else |
| #define __STDINT_EXP(x) x |
| #include <limits.h> |
| #endif |
| |
| /* Check if "long long" is 64bit wide */ |
| /* Modern GCCs provide __LONG_LONG_MAX__, SUSv3 wants LLONG_MAX */ |
| #if ( defined(__LONG_LONG_MAX__) && (__LONG_LONG_MAX__ > 0x7fffffff) ) \ |
| || ( defined(LLONG_MAX) && (LLONG_MAX > 0x7fffffff) ) |
| #define __have_longlong64 1 |
| #endif |
| |
| /* Check if "long" is 64bit or 32bit wide */ |
| #if __STDINT_EXP(LONG_MAX) > 0x7fffffff |
| #define __have_long64 1 |
| #elif __STDINT_EXP(LONG_MAX) == 0x7fffffff && !defined(__SPU__) |
| #define __have_long32 1 |
| #endif |
| |
| #endif /* _SYS__INTSUP_H */ |
