| /* CPP Library. |
| Copyright (C) 1986-2017 Free Software Foundation, Inc. |
| Contributed by Per Bothner, 1994-95. |
| Based on CCCP program by Paul Rubin, June 1986 |
| Adapted to ANSI C, Richard Stallman, Jan 1987 |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published by the |
| Free Software Foundation; either version 3, or (at your option) any |
| later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING3. If not see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include "config.h" |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tm.h" |
| #include "cppdefault.h" |
| |
| #ifndef NATIVE_SYSTEM_HEADER_COMPONENT |
| #define NATIVE_SYSTEM_HEADER_COMPONENT 0 |
| #endif |
| |
| #if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT) |
| # undef LOCAL_INCLUDE_DIR |
| # undef NATIVE_SYSTEM_HEADER_DIR |
| #else |
| # undef CROSS_INCLUDE_DIR |
| #endif |
| |
| const struct default_include cpp_include_defaults[] |
| #ifdef INCLUDE_DEFAULTS |
| = INCLUDE_DEFAULTS; |
| #else |
| = { |
| #ifdef GPLUSPLUS_INCLUDE_DIR |
| /* Pick up GNU C++ generic include files. */ |
| { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, |
| GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, |
| #endif |
| #ifdef GPLUSPLUS_TOOL_INCLUDE_DIR |
| /* Pick up GNU C++ target-dependent include files. */ |
| { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, |
| GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, |
| #endif |
| #ifdef GPLUSPLUS_BACKWARD_INCLUDE_DIR |
| /* Pick up GNU C++ backward and deprecated include files. */ |
| { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, |
| GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, |
| #endif |
| #ifdef GCC_INCLUDE_DIR |
| /* This is the dir for gcc's private headers. */ |
| { GCC_INCLUDE_DIR, "GCC", 0, 0, 0, 0 }, |
| #endif |
| #ifdef LOCAL_INCLUDE_DIR |
| /* /usr/local/include comes before the fixincluded header files. */ |
| { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, |
| { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 }, |
| #endif |
| #ifdef PREFIX_INCLUDE_DIR |
| { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0 }, |
| #endif |
| #ifdef FIXED_INCLUDE_DIR |
| /* This is the dir for fixincludes. */ |
| { FIXED_INCLUDE_DIR, "GCC", 0, 0, 0, |
| /* A multilib suffix needs adding if different multilibs use |
| different headers. */ |
| #ifdef SYSROOT_HEADERS_SUFFIX_SPEC |
| 1 |
| #else |
| 0 |
| #endif |
| }, |
| #endif |
| #ifdef CROSS_INCLUDE_DIR |
| /* One place the target system's headers might be. */ |
| { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0 }, |
| #endif |
| #ifdef TOOL_INCLUDE_DIR |
| /* Another place the target system's headers might be. */ |
| { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0 }, |
| #endif |
| #ifdef NATIVE_SYSTEM_HEADER_DIR |
| /* /usr/include comes dead last. */ |
| { NATIVE_SYSTEM_HEADER_DIR, NATIVE_SYSTEM_HEADER_COMPONENT, 0, 0, 1, 2 }, |
| { NATIVE_SYSTEM_HEADER_DIR, NATIVE_SYSTEM_HEADER_COMPONENT, 0, 0, 1, 0 }, |
| #endif |
| { 0, 0, 0, 0, 0, 0 } |
| }; |
| #endif /* no INCLUDE_DEFAULTS */ |
| |
| #ifdef GCC_INCLUDE_DIR |
| const char cpp_GCC_INCLUDE_DIR[] = GCC_INCLUDE_DIR; |
| const size_t cpp_GCC_INCLUDE_DIR_len = sizeof GCC_INCLUDE_DIR - 8; |
| #else |
| const char cpp_GCC_INCLUDE_DIR[] = ""; |
| const size_t cpp_GCC_INCLUDE_DIR_len = 0; |
| #endif |
| |
| /* The configured prefix. */ |
| const char cpp_PREFIX[] = PREFIX; |
| const size_t cpp_PREFIX_len = sizeof PREFIX - 1; |
| const char cpp_EXEC_PREFIX[] = STANDARD_EXEC_PREFIX; |
| |
| /* This value is set by cpp_relocated at runtime */ |
| const char *gcc_exec_prefix; |
| |
| /* Return true if the toolchain is relocated. */ |
| bool |
| cpp_relocated (void) |
| { |
| static int relocated = -1; |
| |
| /* A relocated toolchain ignores standard include directories. */ |
| if (relocated == -1) |
| { |
| /* Check if the toolchain was relocated? */ |
| gcc_exec_prefix = getenv ("GCC_EXEC_PREFIX"); |
| if (gcc_exec_prefix) |
| relocated = 1; |
| else |
| relocated = 0; |
| } |
| |
| return relocated; |
| } |