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1 /* CPP Library.
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145
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2 Copyright (C) 1986-2020 Free Software Foundation, Inc.
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3 Contributed by Per Bothner, 1994-95.
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4 Based on CCCP program by Paul Rubin, June 1986
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5 Adapted to ANSI C, Richard Stallman, Jan 1987
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6
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7 This program is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published by the
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9 Free Software Foundation; either version 3, or (at your option) any
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10 later version.
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11
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12 This program is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with this program; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_CPPDEFAULT_H
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22 #define GCC_CPPDEFAULT_H
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23
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24 /* This is the default list of directories to search for include files.
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25 It may be overridden by the various -I and -ixxx options.
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26
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27 #include "file" looks in the same directory as the current file,
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28 then this list.
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29 #include <file> just looks in this list.
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30
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31 All these directories are treated as `system' include directories
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32 (they are not subject to pedantic warnings in some cases). */
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33
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34 struct default_include
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35 {
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36 const char *const fname; /* The name of the directory. */
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37 const char *const component; /* The component containing the directory
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38 (see update_path in prefix.c) */
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39 const char cplusplus; /* Only look here if we're compiling C++. */
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40 const char cxx_aware; /* Includes in this directory don't need to
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41 be wrapped in extern "C" when compiling
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42 C++. */
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43 const char add_sysroot; /* FNAME should be prefixed by
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44 cpp_SYSROOT. */
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111
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45 const char multilib; /* FNAME should have appended
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46 - the multilib path specified with -imultilib
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47 when set to 1,
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48 - the multiarch path specified with
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49 -imultiarch, when set to 2. */
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50 };
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51
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52 extern const struct default_include cpp_include_defaults[];
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53 extern const char cpp_GCC_INCLUDE_DIR[];
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54 extern const size_t cpp_GCC_INCLUDE_DIR_len;
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55
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56 /* The configure-time prefix, i.e., the value supplied as the argument
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57 to --prefix=. */
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58 extern const char cpp_PREFIX[];
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59 /* The length of the configure-time prefix. */
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60 extern const size_t cpp_PREFIX_len;
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61 /* The configure-time execution prefix. This is typically the lib/gcc
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62 subdirectory of cpp_PREFIX. */
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63 extern const char cpp_EXEC_PREFIX[];
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64 /* The run-time execution prefix. This is typically the lib/gcc
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65 subdirectory of the actual installation. */
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66 extern const char *gcc_exec_prefix;
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67
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68 /* Return true if the toolchain is relocated. */
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69 bool cpp_relocated (void);
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70
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71 #endif /* ! GCC_CPPDEFAULT_H */
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