2 Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2003, 2004, 2006, 2007, 2010 Free Software Foundation, Inc.
4 Contributed by Per Bothner, 1994-95.
5 Based on CCCP program by Paul Rubin, June 1986
6 Adapted to ANSI C, Richard Stallman, Jan 1987
8 This program is free software; you can redistribute it and/or modify it
9 under the terms of the GNU General Public License as published by the
10 Free Software Foundation; either version 3, or (at your option) any
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; see the file COPYING3. If not see
20 <http://www.gnu.org/licenses/>. */
24 #include "coretypes.h"
26 #include "cppdefault.h"
28 #ifndef STANDARD_INCLUDE_DIR
29 #define STANDARD_INCLUDE_DIR "/usr/include"
32 #ifndef STANDARD_INCLUDE_COMPONENT
33 #define STANDARD_INCLUDE_COMPONENT 0
36 #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
37 # undef LOCAL_INCLUDE_DIR
38 # undef SYSTEM_INCLUDE_DIR
39 # undef STANDARD_INCLUDE_DIR
41 # undef CROSS_INCLUDE_DIR
44 const struct default_include cpp_include_defaults[]
45 #ifdef INCLUDE_DEFAULTS
49 #ifdef GPLUSPLUS_INCLUDE_DIR
50 /* Pick up GNU C++ generic include files. */
51 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
53 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
54 /* Pick up GNU C++ target-dependent include files. */
55 { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, 0, 1 },
57 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
58 /* Pick up GNU C++ backward and deprecated include files. */
59 { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
61 #ifdef GCC_INCLUDE_DIR
62 /* This is the dir for gcc's private headers. */
63 { GCC_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
65 #ifdef LOCAL_INCLUDE_DIR
66 /* /usr/local/include comes before the fixincluded header files. */
67 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 },
68 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
70 #ifdef PREFIX_INCLUDE_DIR
71 { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0 },
73 #ifdef FIXED_INCLUDE_DIR
74 /* This is the dir for fixincludes. */
75 { FIXED_INCLUDE_DIR, "GCC", 0, 0, 0,
76 /* A multilib suffix needs adding if different multilibs use
78 #ifdef SYSROOT_HEADERS_SUFFIX_SPEC
85 #ifdef CROSS_INCLUDE_DIR
86 /* One place the target system's headers might be. */
87 { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
89 #ifdef TOOL_INCLUDE_DIR
90 /* Another place the target system's headers might be. */
91 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0 },
93 #ifdef SYSTEM_INCLUDE_DIR
94 /* Some systems have an extra dir of include files. */
95 { SYSTEM_INCLUDE_DIR, 0, 0, 0, 1, 0 },
97 #ifdef STANDARD_INCLUDE_DIR
98 /* /usr/include comes dead last. */
99 { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0, 1, 2 },
100 { STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT, 0, 0, 1, 0 },
104 #endif /* no INCLUDE_DEFAULTS */
106 #ifdef GCC_INCLUDE_DIR
107 const char cpp_GCC_INCLUDE_DIR[] = GCC_INCLUDE_DIR;
108 const size_t cpp_GCC_INCLUDE_DIR_len = sizeof GCC_INCLUDE_DIR - 8;
110 const char cpp_GCC_INCLUDE_DIR[] = "";
111 const size_t cpp_GCC_INCLUDE_DIR_len = 0;
114 /* The configured prefix. */
115 const char cpp_PREFIX[] = PREFIX;
116 const size_t cpp_PREFIX_len = sizeof PREFIX - 1;
117 const char cpp_EXEC_PREFIX[] = STANDARD_EXEC_PREFIX;
119 /* This value is set by cpp_relocated at runtime */
120 const char *gcc_exec_prefix;
122 /* Return true if the toolchain is relocated. */
126 static int relocated = -1;
128 /* A relocated toolchain ignores standard include directories. */
131 /* Check if the toolchain was relocated? */
132 gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX");