| 1 | /* Get common system includes and various definitions and declarations |
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| 2 | based on target macros. |
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| 3 | Copyright (C) 2000, 2001 Free Software Foundation, Inc. |
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| 4 | |
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| 5 | This file is part of GCC. |
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| 6 | |
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| 7 | GCC is free software; you can redistribute it and/or modify it under |
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| 8 | the terms of the GNU General Public License as published by the Free |
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| 9 | Software Foundation; either version 2, or (at your option) any later |
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| 10 | version. |
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| 11 | |
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| 12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with GCC; see the file COPYING. If not, write to the Free |
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| 19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA |
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| 20 | 02111-1307, USA. */ |
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| 21 | |
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| 22 | #ifndef GCC_TSYSTEM_H |
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| 23 | #define GCC_TSYSTEM_H |
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| 24 | |
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| 25 | /* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes |
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| 26 | indirectly include getopt.h. Our -I flags will cause gcc's gnu |
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| 27 | getopt.h to be included, not the platform's copy. In the default |
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| 28 | case, gnu getopt.h will provide us with a no-argument prototype |
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| 29 | which will generate -Wstrict-prototypes warnings. None of the |
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| 30 | target files actually use getopt, so it is safe to tell gnu |
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| 31 | getopt.h we never need this prototype. */ |
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| 32 | #ifndef HAVE_DECL_GETOPT |
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| 33 | #define HAVE_DECL_GETOPT 1 |
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| 34 | #endif |
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| 35 | |
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| 36 | /* GCC supplies this header. */ |
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| 37 | #include <stddef.h> |
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| 38 | |
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| 39 | #ifdef inhibit_libc |
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| 40 | |
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| 41 | #ifndef malloc |
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| 42 | extern void *malloc (size_t); |
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| 43 | #endif |
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| 44 | |
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| 45 | #ifndef free |
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| 46 | extern void free (void *); |
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| 47 | #endif |
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| 48 | |
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| 49 | #ifndef atexit |
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| 50 | extern int atexit (void (*)(void)); |
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| 51 | #endif |
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| 52 | |
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| 53 | #else /* ! inhibit_libc */ |
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| 54 | /* We disable this when inhibit_libc, so that gcc can still be built without |
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| 55 | needing header files first. */ |
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| 56 | /* ??? This is not a good solution, since prototypes may be required in |
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| 57 | some cases for correct code. */ |
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| 58 | |
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| 59 | /* GCC supplies this header. */ |
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| 60 | #include <stdarg.h> |
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| 61 | |
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| 62 | /* All systems have this header. */ |
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| 63 | #include <stdio.h> |
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| 64 | |
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| 65 | /* All systems have this header. */ |
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| 66 | #include <sys/types.h> |
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| 67 | |
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| 68 | /* All systems have this header. */ |
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| 69 | #include <errno.h> |
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| 70 | |
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| 71 | #ifndef errno |
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| 72 | extern int errno; |
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| 73 | #endif |
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| 74 | |
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| 75 | #ifdef POSIX |
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| 76 | #include <string.h> |
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| 77 | #endif |
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| 78 | |
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| 79 | /* GCC (fixproto) guarantees these system headers exist. */ |
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| 80 | #include <stdlib.h> |
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| 81 | #include <unistd.h> |
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| 82 | |
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| 83 | /* GCC supplies this header. */ |
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| 84 | #include <limits.h> |
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| 85 | |
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| 86 | #ifdef POSIX |
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| 87 | #include <time.h> |
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| 88 | #endif |
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| 89 | |
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| 90 | #endif /* inhibit_libc */ |
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| 91 | |
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| 92 | /* Define a generic NULL if one hasn't already been defined. */ |
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| 93 | #ifndef NULL |
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| 94 | #define NULL 0 |
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| 95 | #endif |
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| 96 | |
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| 97 | #endif /* ! GCC_TSYSTEM_H */ |
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