1 /* CPP Library.
2    Copyright (C) 1986-2018 Free Software Foundation, Inc.
3    Contributed by Per Bothner, 1994-95.
4    Based on CCCP program by Paul Rubin, June 1986
5    Adapted to ANSI C, Richard Stallman, Jan 1987
6 
7    This program is free software; you can redistribute it and/or modify it
8    under the terms of the GNU General Public License as published by the
9    Free Software Foundation; either version 3, or (at your option) any
10    later version.
11 
12    This program is distributed in the hope that it will be useful,
13    but WITHOUT ANY WARRANTY; without even the implied warranty of
14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15    GNU General Public License for more details.
16 
17    You should have received a copy of the GNU General Public License
18    along with this program; see the file COPYING3.  If not see
19    <http://www.gnu.org/licenses/>.  */
20 
21 #ifndef GCC_CPPDEFAULT_H
22 #define GCC_CPPDEFAULT_H
23 
24 /* This is the default list of directories to search for include files.
25    It may be overridden by the various -I and -ixxx options.
26 
27    #include "file" looks in the same directory as the current file,
28    then this list.
29    #include <file> just looks in this list.
30 
31    All these directories are treated as `system' include directories
32    (they are not subject to pedantic warnings in some cases).  */
33 
34 struct default_include
35 {
36   const char *const fname;	/* The name of the directory.  */
37   const char *const component;	/* The component containing the directory
38 				   (see update_path in prefix.c) */
39   const char cplusplus;		/* Only look here if we're compiling C++.  */
40   const char cxx_aware;		/* Includes in this directory don't need to
41 				   be wrapped in extern "C" when compiling
42 				   C++.  */
43   const char add_sysroot;	/* FNAME should be prefixed by
44 				   cpp_SYSROOT.  */
45   const char multilib;		/* FNAME should have appended
46 				   - the multilib path specified with -imultilib
47 				     when set to 1,
48 				   - the multiarch path specified with
49 				     -imultiarch, when set to 2.  */
50 };
51 
52 extern const struct default_include cpp_include_defaults[];
53 extern const char cpp_GCC_INCLUDE_DIR[];
54 extern const size_t cpp_GCC_INCLUDE_DIR_len;
55 
56 /* The configure-time prefix, i.e., the value supplied as the argument
57    to --prefix=.  */
58 extern const char cpp_PREFIX[];
59 /* The length of the configure-time prefix.  */
60 extern const size_t cpp_PREFIX_len;
61 /* The configure-time execution prefix.  This is typically the lib/gcc
62    subdirectory of cpp_PREFIX.  */
63 extern const char cpp_EXEC_PREFIX[];
64 /* The run-time execution prefix.  This is typically the lib/gcc
65    subdirectory of the actual installation.  */
66 extern const char *gcc_exec_prefix;
67 
68 /* Return true if the toolchain is relocated.  */
69 bool cpp_relocated (void);
70 
71 #endif /* ! GCC_CPPDEFAULT_H */
72