gcc/cppdefault.h

   1 /* CPP Library.
   2    Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
   3    1999, 2000, 2003, 2004, 2006, 2007 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
   7
   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
  11    later version.
  12
  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.
  17
  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/>.  */
  21
  22 #ifndef GCC_CPPDEFAULT_H
  23 #define GCC_CPPDEFAULT_H
  24
  25 /* This is the default list of directories to search for include files.
  26    It may be overridden by the various -I and -ixxx options.
  27
  28    #include "file" looks in the same directory as the current file,
  29    then this list.
  30    #include <file> just looks in this list.
  31
  32    All these directories are treated as `system' include directories
  33    (they are not subject to pedantic warnings in some cases).  */
  34
  35 struct default_include
  36 {
  37   const char *const fname;      /* The name of the directory.  */
  38   const char *const component;  /* The component containing the directory
  39                                    (see update_path in prefix.c) */
  40   const char cplusplus;         /* Only look here if we're compiling C++.  */
  41   const char cxx_aware;         /* Includes in this directory don't need to
  42                                    be wrapped in extern "C" when compiling
  43                                    C++.  */
  44   const char add_sysroot;       /* FNAME should be prefixed by
  45                                    cpp_SYSROOT.  */
  46   const char multilib;          /* FNAME should have appended
  47                                    - the multilib path specified with -imultilib
  48                                      when set to 1,
  49                                    - the multiarch path specified with
  50                                      -imultiarch, when set to 2.  */
  51 };
  52
  53 extern const struct default_include cpp_include_defaults[];
  54 extern const char cpp_GCC_INCLUDE_DIR[];
  55 extern const size_t cpp_GCC_INCLUDE_DIR_len;
  56
  57 /* The configure-time prefix, i.e., the value supplied as the argument
  58    to --prefix=.  */
  59 extern const char cpp_PREFIX[];
  60 /* The length of the configure-time prefix.  */
  61 extern const size_t cpp_PREFIX_len;
  62 /* The configure-time execution prefix.  This is typically the lib/gcc
  63    subdirectory of cpp_PREFIX.  */
  64 extern const char cpp_EXEC_PREFIX[];
  65 /* The run-time execution prefix.  This is typically the lib/gcc
  66    subdirectory of the actual installation.  */
  67 extern const char *gcc_exec_prefix;
  68
  69 /* Return true if the toolchain is relocated.  */
  70 bool cpp_relocated (void);
  71
  72 #endif /* ! GCC_CPPDEFAULT_H */