blob: c503d14fc3f7e3defcd46bf9501b686e39726afe [file] [log] [blame]
/* CPP Library.
Copyright (C) 1986-2021 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 GPLUSPLUS_LIBCXX_INCLUDE_DIR
/* Pick up libc++ include files, if we have -stdlib=libc++. */
{ GPLUSPLUS_LIBCXX_INCLUDE_DIR, "G++", 2, 1,
GPLUSPLUS_LIBCXX_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;
}