2 Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2003, 2004, 2006, 2007, 2010, 2011
4 Free Software Foundation, Inc.
5 Contributed by Per Bothner, 1994-95.
6 Based on CCCP program by Paul Rubin, June 1986
7 Adapted to ANSI C, Richard Stallman, Jan 1987
9 This program is free software; you can redistribute it and/or modify it
10 under the terms of the GNU General Public License as published by the
11 Free Software Foundation; either version 3, or (at your option) any
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
25 #include "coretypes.h"
27 #include "cppdefault.h"
29 #ifndef NATIVE_SYSTEM_HEADER_COMPONENT
30 #define NATIVE_SYSTEM_HEADER_COMPONENT 0
33 #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
34 # undef LOCAL_INCLUDE_DIR
36 # undef CROSS_INCLUDE_DIR
39 const struct default_include cpp_include_defaults[]
40 #ifdef INCLUDE_DEFAULTS
44 #ifdef GPLUSPLUS_INCLUDE_DIR
45 /* Pick up GNU C++ generic include files. */
46 { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
48 #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR
49 /* Pick up GNU C++ target-dependent include files. */
50 { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, 0, 1 },
52 #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR
53 /* Pick up GNU C++ backward and deprecated include files. */
54 { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, 0, 0 },
56 #ifdef GCC_INCLUDE_DIR
57 /* This is the dir for gcc's private headers. */
58 { GCC_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
60 #ifdef LOCAL_INCLUDE_DIR
61 /* /usr/local/include comes before the fixincluded header files. */
62 { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
64 #ifdef PREFIX_INCLUDE_DIR
65 { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0 },
67 #ifdef FIXED_INCLUDE_DIR
68 /* This is the dir for fixincludes. */
69 { FIXED_INCLUDE_DIR, "GCC", 0, 0, 0,
70 /* A multilib suffix needs adding if different multilibs use
72 #ifdef SYSROOT_HEADERS_SUFFIX_SPEC
79 #ifdef CROSS_INCLUDE_DIR
80 /* One place the target system's headers might be. */
81 { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0 },
83 #ifdef TOOL_INCLUDE_DIR
84 /* Another place the target system's headers might be. */
85 { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0 },
87 /* /usr/include comes dead last. */
88 { NATIVE_SYSTEM_HEADER_DIR, NATIVE_SYSTEM_HEADER_COMPONENT, 0, 0, 1, 0 },
91 #endif /* no INCLUDE_DEFAULTS */
93 #ifdef GCC_INCLUDE_DIR
94 const char cpp_GCC_INCLUDE_DIR[] = GCC_INCLUDE_DIR;
95 const size_t cpp_GCC_INCLUDE_DIR_len = sizeof GCC_INCLUDE_DIR - 8;
97 const char cpp_GCC_INCLUDE_DIR[] = "";
98 const size_t cpp_GCC_INCLUDE_DIR_len = 0;
101 /* The configured prefix. */
102 const char cpp_PREFIX[] = PREFIX;
103 const size_t cpp_PREFIX_len = sizeof PREFIX - 1;
104 const char cpp_EXEC_PREFIX[] = STANDARD_EXEC_PREFIX;
106 /* This value is set by cpp_relocated at runtime */
107 const char *gcc_exec_prefix;
109 /* Return true if the toolchain is relocated. */
113 static int relocated = -1;
115 /* A relocated toolchain ignores standard include directories. */
118 /* Check if the toolchain was relocated? */
119 gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX");