summaryrefslogtreecommitdiff
path: root/gcc/cppdefault.c
blob: 4b76d0297e28aff02f9e7ef5af777310ea5cf443 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
/* CPP Library.
   Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   1999, 2000, 2003, 2004, 2006, 2007, 2010 Free Software Foundation, Inc.
   Contributed by Per Bothner, 1994-95.
   Based on CCCP program by Paul Rubin, June 1986
   Adapted to ANSI C, Richard Stallman, Jan 1987

   This program 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 3, or (at your option) any
   later version.

   This program 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 this program; see the file COPYING3.  If not see
   <http://www.gnu.org/licenses/>.  */

#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "cppdefault.h"

#ifndef STANDARD_INCLUDE_DIR
#define STANDARD_INCLUDE_DIR "/usr/include"
#endif

#ifndef STANDARD_INCLUDE_COMPONENT
#define STANDARD_INCLUDE_COMPONENT 0
#endif

#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
# undef LOCAL_INCLUDE_DIR
# undef SYSTEM_INCLUDE_DIR
# undef STANDARD_INCLUDE_DIR
#else
# undef CROSS_INCLUDE_DIR
#endif

const struct default_include cpp_include_defaults[]
#ifdef INCLUDE_DEFAULTS
= INCLUDE_DEFAULTS;
#else
= {
#ifdef GPLUSPLUS_INCLUDE_DIR
    /* Pick up GNU C++ generic include files.  */
    { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
#endif
#ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
    /* Pick up GNU C++ target-dependent include files.  */
    { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, 0, 1 },
#endif
#ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
    /* Pick up GNU C++ backward and deprecated include files.  */
    { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
#endif
#ifdef LOCAL_INCLUDE_DIR
    /* /usr/local/include comes before the fixincluded header files.  */
    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },
    { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
#endif
#ifdef PREFIX_INCLUDE_DIR
    { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0 },
#endif
#ifdef CROSS_INCLUDE_DIR
    /* One place the target system's headers might be.  */
    { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
#endif
#ifdef TOOL_INCLUDE_DIR
    /* Another place the target system's headers might be.  */
    { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0 },
#endif
#ifdef SYSTEM_INCLUDE_DIR
    /* Some systems have an extra dir of include files.  */
    { SYSTEM_INCLUDE_DIR, 0, 0, 0, 1, 0 },
#endif
#ifdef STANDARD_INCLUDE_DIR
    /* /usr/include comes before gcc's private headers, thank you.  */
    { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0, 1, 2 },
    { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0, 1, 0 },
#endif
#ifdef GCC_INCLUDE_DIR
    /* This is the dir for gcc's private headers.  */
    { GCC_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
#endif
    { 0, 0, 0, 0, 0, 0 }
  };
#endif /* no INCLUDE_DEFAULTS */

#ifdef GCC_INCLUDE_DIR
const char cpp_GCC_INCLUDE_DIR[] = GCC_INCLUDE_DIR;
const size_t cpp_GCC_INCLUDE_DIR_len = sizeof GCC_INCLUDE_DIR - 8;
#else
const char cpp_GCC_INCLUDE_DIR[] = "";
const size_t cpp_GCC_INCLUDE_DIR_len = 0;
#endif

/* The configured prefix.  */
const char cpp_PREFIX[] = PREFIX;
const size_t cpp_PREFIX_len = sizeof PREFIX - 1;
const char cpp_EXEC_PREFIX[] = STANDARD_EXEC_PREFIX;

/* This value is set by cpp_relocated at runtime */
const char *gcc_exec_prefix;

/* Return true if the toolchain is relocated.  */
bool
cpp_relocated (void)
{
  static int relocated = -1;

  /* A relocated toolchain ignores standard include directories.  */
  if (relocated == -1)
    {
      /* Check if the toolchain was relocated?  */
      gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX");
      if (gcc_exec_prefix)
       relocated = 1;
      else
       relocated = 0;
    }

  return relocated;
}