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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [tsystem.h] - Rev 38
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/* Get common system includes and various definitions and declarations based on target macros. Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* As a special exception, if you link this library with other files, some of which are compiled with GCC, to produce an executable, this library does not by itself cause the resulting executable to be covered by the GNU General Public License. This exception does not however invalidate any other reasons why the executable file might be covered by the GNU General Public License. */ #ifndef GCC_TSYSTEM_H #define GCC_TSYSTEM_H /* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes indirectly include getopt.h. Our -I flags will cause gcc's gnu getopt.h to be included, not the platform's copy. In the default case, gnu getopt.h will provide us with a no-argument prototype which will generate -Wstrict-prototypes warnings. None of the target files actually use getopt, so it is safe to tell gnu getopt.h we never need this prototype. */ #ifndef HAVE_DECL_GETOPT #define HAVE_DECL_GETOPT 1 #endif /* We want everything from the glibc headers. */ #define _GNU_SOURCE 1 /* GCC supplies these headers. */ #include <stddef.h> #include <float.h> #ifdef inhibit_libc #ifndef malloc extern void *malloc (size_t); #endif #ifndef free extern void free (void *); #endif #ifndef atexit extern int atexit (void (*)(void)); #endif #ifndef abort extern void abort (void) __attribute__ ((__noreturn__)); #endif #ifndef strlen extern size_t strlen (const char *); #endif #ifndef memcpy extern void *memcpy (void *, const void *, size_t); #endif #ifndef memset extern void *memset (void *, int, size_t); #endif #else /* ! inhibit_libc */ /* We disable this when inhibit_libc, so that gcc can still be built without needing header files first. */ /* ??? This is not a good solution, since prototypes may be required in some cases for correct code. */ /* GCC supplies this header. */ #include <stdarg.h> /* All systems have this header. */ #include <stdio.h> /* All systems have this header. */ #include <sys/types.h> /* All systems have this header. */ #include <errno.h> #ifndef errno extern int errno; #endif /* GCC (fixproto) guarantees these system headers exist. */ #include <string.h> #include <stdlib.h> #include <unistd.h> /* GCC supplies this header. */ #include <limits.h> /* GCC (fixproto) guarantees this system headers exists. */ #include <time.h> #endif /* inhibit_libc */ /* Define a generic NULL if one hasn't already been defined. */ #ifndef NULL #define NULL 0 #endif /* GCC always provides __builtin_alloca(x). */ #undef alloca #define alloca(x) __builtin_alloca(x) #ifdef ENABLE_RUNTIME_CHECKING #define gcc_assert(EXPR) ((void)(!(EXPR) ? abort (), 0 : 0)) #else /* Include EXPR, so that unused variable warnings do not occur. */ #define gcc_assert(EXPR) ((void)(0 && (EXPR))) #endif /* Use gcc_unreachable() to mark unreachable locations (like an unreachable default case of a switch. Do not use gcc_assert(0). */ #define gcc_unreachable() (abort ()) /* Filename handling macros. */ #include "filenames.h" #endif /* ! GCC_TSYSTEM_H */
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