/* Set up combined include path chain for the preprocessor.
|
/* Set up combined include path chain for the preprocessor.
|
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
|
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
|
1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
Broken out of cppinit.c and cppfiles.c and rewritten Mar 2003.
|
Broken out of cppinit.c and cppfiles.c and rewritten Mar 2003.
|
|
|
This program is free software; you can redistribute it and/or modify it
|
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
|
under the terms of the GNU General Public License as published by the
|
Free Software Foundation; either version 3, or (at your option) any
|
Free Software Foundation; either version 3, or (at your option) any
|
later version.
|
later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; see the file COPYING3. If not see
|
along with this program; see the file COPYING3. If not see
|
<http://www.gnu.org/licenses/>. */
|
<http://www.gnu.org/licenses/>. */
|
|
|
#include "config.h"
|
#include "config.h"
|
#include "system.h"
|
#include "system.h"
|
#include "coretypes.h"
|
#include "coretypes.h"
|
#include "machmode.h"
|
#include "machmode.h"
|
#include "target.h"
|
#include "target.h"
|
#include "tm.h"
|
#include "tm.h"
|
#include "cpplib.h"
|
#include "cpplib.h"
|
#include "prefix.h"
|
#include "prefix.h"
|
#include "intl.h"
|
#include "intl.h"
|
#include "c-incpath.h"
|
#include "c-incpath.h"
|
#include "cppdefault.h"
|
#include "cppdefault.h"
|
|
|
/* Windows does not natively support inodes, and neither does MSDOS.
|
/* Windows does not natively support inodes, and neither does MSDOS.
|
Cygwin's emulation can generate non-unique inodes, so don't use it.
|
Cygwin's emulation can generate non-unique inodes, so don't use it.
|
VMS has non-numeric inodes. */
|
VMS has non-numeric inodes. */
|
#ifdef VMS
|
#ifdef VMS
|
# define INO_T_EQ(A, B) (!memcmp (&(A), &(B), sizeof (A)))
|
# define INO_T_EQ(A, B) (!memcmp (&(A), &(B), sizeof (A)))
|
# define INO_T_COPY(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof (SRC))
|
# define INO_T_COPY(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof (SRC))
|
#else
|
#else
|
# if (defined _WIN32 && !defined (_UWIN)) || defined __MSDOS__
|
# if (defined _WIN32 && !defined (_UWIN)) || defined __MSDOS__
|
# define INO_T_EQ(A, B) 0
|
# define INO_T_EQ(A, B) 0
|
# else
|
# else
|
# define INO_T_EQ(A, B) ((A) == (B))
|
# define INO_T_EQ(A, B) ((A) == (B))
|
# endif
|
# endif
|
# define INO_T_COPY(DEST, SRC) (DEST) = (SRC)
|
# define INO_T_COPY(DEST, SRC) (DEST) = (SRC)
|
#endif
|
#endif
|
|
|
static const char dir_separator_str[] = { DIR_SEPARATOR, 0 };
|
static const char dir_separator_str[] = { DIR_SEPARATOR, 0 };
|
|
|
static void add_env_var_paths (const char *, int);
|
static void add_env_var_paths (const char *, int);
|
static void add_standard_paths (const char *, const char *, const char *, int);
|
static void add_standard_paths (const char *, const char *, const char *, int);
|
static void free_path (struct cpp_dir *, int);
|
static void free_path (struct cpp_dir *, int);
|
static void merge_include_chains (cpp_reader *, int);
|
static void merge_include_chains (cpp_reader *, int);
|
static struct cpp_dir *remove_duplicates (cpp_reader *, struct cpp_dir *,
|
static struct cpp_dir *remove_duplicates (cpp_reader *, struct cpp_dir *,
|
struct cpp_dir *,
|
struct cpp_dir *,
|
struct cpp_dir *, int);
|
struct cpp_dir *, int);
|
|
|
/* Include chains heads and tails. */
|
/* Include chains heads and tails. */
|
static struct cpp_dir *heads[4];
|
static struct cpp_dir *heads[4];
|
static struct cpp_dir *tails[4];
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static struct cpp_dir *tails[4];
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static bool quote_ignores_source_dir;
|
static bool quote_ignores_source_dir;
|
enum { REASON_QUIET = 0, REASON_NOENT, REASON_DUP, REASON_DUP_SYS };
|
enum { REASON_QUIET = 0, REASON_NOENT, REASON_DUP, REASON_DUP_SYS };
|
|
|
/* Free an element of the include chain, possibly giving a reason. */
|
/* Free an element of the include chain, possibly giving a reason. */
|
static void
|
static void
|
free_path (struct cpp_dir *path, int reason)
|
free_path (struct cpp_dir *path, int reason)
|
{
|
{
|
switch (reason)
|
switch (reason)
|
{
|
{
|
case REASON_DUP:
|
case REASON_DUP:
|
case REASON_DUP_SYS:
|
case REASON_DUP_SYS:
|
fprintf (stderr, _("ignoring duplicate directory \"%s\"\n"), path->name);
|
fprintf (stderr, _("ignoring duplicate directory \"%s\"\n"), path->name);
|
if (reason == REASON_DUP_SYS)
|
if (reason == REASON_DUP_SYS)
|
fprintf (stderr,
|
fprintf (stderr,
|
_(" as it is a non-system directory that duplicates a system directory\n"));
|
_(" as it is a non-system directory that duplicates a system directory\n"));
|
break;
|
break;
|
|
|
case REASON_NOENT:
|
case REASON_NOENT:
|
fprintf (stderr, _("ignoring nonexistent directory \"%s\"\n"),
|
fprintf (stderr, _("ignoring nonexistent directory \"%s\"\n"),
|
path->name);
|
path->name);
|
break;
|
break;
|
|
|
case REASON_QUIET:
|
case REASON_QUIET:
|
default:
|
default:
|
break;
|
break;
|
}
|
}
|
|
|
free (path->name);
|
free (path->name);
|
free (path);
|
free (path);
|
}
|
}
|
|
|
/* Read ENV_VAR for a PATH_SEPARATOR-separated list of file names; and
|
/* Read ENV_VAR for a PATH_SEPARATOR-separated list of file names; and
|
append all the names to the search path CHAIN. */
|
append all the names to the search path CHAIN. */
|
static void
|
static void
|
add_env_var_paths (const char *env_var, int chain)
|
add_env_var_paths (const char *env_var, int chain)
|
{
|
{
|
char *p, *q, *path;
|
char *p, *q, *path;
|
|
|
GET_ENVIRONMENT (q, env_var);
|
GET_ENVIRONMENT (q, env_var);
|
|
|
if (!q)
|
if (!q)
|
return;
|
return;
|
|
|
for (p = q; *q; p = q + 1)
|
for (p = q; *q; p = q + 1)
|
{
|
{
|
q = p;
|
q = p;
|
while (*q != 0 && *q != PATH_SEPARATOR)
|
while (*q != 0 && *q != PATH_SEPARATOR)
|
q++;
|
q++;
|
|
|
if (p == q)
|
if (p == q)
|
path = xstrdup (".");
|
path = xstrdup (".");
|
else
|
else
|
{
|
{
|
path = XNEWVEC (char, q - p + 1);
|
path = XNEWVEC (char, q - p + 1);
|
memcpy (path, p, q - p);
|
memcpy (path, p, q - p);
|
path[q - p] = '\0';
|
path[q - p] = '\0';
|
}
|
}
|
|
|
add_path (path, chain, chain == SYSTEM, false);
|
add_path (path, chain, chain == SYSTEM, false);
|
}
|
}
|
}
|
}
|
|
|
/* Append the standard include chain defined in cppdefault.c. */
|
/* Append the standard include chain defined in cppdefault.c. */
|
static void
|
static void
|
add_standard_paths (const char *sysroot, const char *iprefix,
|
add_standard_paths (const char *sysroot, const char *iprefix,
|
const char *imultilib, int cxx_stdinc)
|
const char *imultilib, int cxx_stdinc)
|
{
|
{
|
const struct default_include *p;
|
const struct default_include *p;
|
size_t len;
|
size_t len;
|
|
|
if (iprefix && (len = cpp_GCC_INCLUDE_DIR_len) != 0)
|
if (iprefix && (len = cpp_GCC_INCLUDE_DIR_len) != 0)
|
{
|
{
|
/* Look for directories that start with the standard prefix.
|
/* Look for directories that start with the standard prefix.
|
"Translate" them, i.e. replace /usr/local/lib/gcc... with
|
"Translate" them, i.e. replace /usr/local/lib/gcc... with
|
IPREFIX and search them first. */
|
IPREFIX and search them first. */
|
for (p = cpp_include_defaults; p->fname; p++)
|
for (p = cpp_include_defaults; p->fname; p++)
|
{
|
{
|
if (!p->cplusplus || cxx_stdinc)
|
if (!p->cplusplus || cxx_stdinc)
|
{
|
{
|
/* Should we be translating sysrooted dirs too? Assume
|
/* Should we be translating sysrooted dirs too? Assume
|
that iprefix and sysroot are mutually exclusive, for
|
that iprefix and sysroot are mutually exclusive, for
|
now. */
|
now. */
|
if (sysroot && p->add_sysroot)
|
if (sysroot && p->add_sysroot)
|
continue;
|
continue;
|
if (!strncmp (p->fname, cpp_GCC_INCLUDE_DIR, len))
|
if (!strncmp (p->fname, cpp_GCC_INCLUDE_DIR, len))
|
{
|
{
|
char *str = concat (iprefix, p->fname + len, NULL);
|
char *str = concat (iprefix, p->fname + len, NULL);
|
if (p->multilib && imultilib)
|
if (p->multilib && imultilib)
|
str = concat (str, dir_separator_str, imultilib, NULL);
|
str = concat (str, dir_separator_str, imultilib, NULL);
|
add_path (str, SYSTEM, p->cxx_aware, false);
|
add_path (str, SYSTEM, p->cxx_aware, false);
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
for (p = cpp_include_defaults; p->fname; p++)
|
for (p = cpp_include_defaults; p->fname; p++)
|
{
|
{
|
if (!p->cplusplus || cxx_stdinc)
|
if (!p->cplusplus || cxx_stdinc)
|
{
|
{
|
char *str;
|
char *str;
|
|
|
/* Should this directory start with the sysroot? */
|
/* Should this directory start with the sysroot? */
|
if (sysroot && p->add_sysroot)
|
if (sysroot && p->add_sysroot)
|
str = concat (sysroot, p->fname, NULL);
|
str = concat (sysroot, p->fname, NULL);
|
else
|
else
|
str = update_path (p->fname, p->component);
|
str = update_path (p->fname, p->component);
|
|
|
if (p->multilib && imultilib)
|
if (p->multilib && imultilib)
|
str = concat (str, dir_separator_str, imultilib, NULL);
|
str = concat (str, dir_separator_str, imultilib, NULL);
|
|
|
add_path (str, SYSTEM, p->cxx_aware, false);
|
add_path (str, SYSTEM, p->cxx_aware, false);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* For each duplicate path in chain HEAD, keep just the first one.
|
/* For each duplicate path in chain HEAD, keep just the first one.
|
Remove each path in chain HEAD that also exists in chain SYSTEM.
|
Remove each path in chain HEAD that also exists in chain SYSTEM.
|
Set the NEXT pointer of the last path in the resulting chain to
|
Set the NEXT pointer of the last path in the resulting chain to
|
JOIN, unless it duplicates JOIN in which case the last path is
|
JOIN, unless it duplicates JOIN in which case the last path is
|
removed. Return the head of the resulting chain. Any of HEAD,
|
removed. Return the head of the resulting chain. Any of HEAD,
|
JOIN and SYSTEM can be NULL. */
|
JOIN and SYSTEM can be NULL. */
|
|
|
static struct cpp_dir *
|
static struct cpp_dir *
|
remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
|
remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
|
struct cpp_dir *system, struct cpp_dir *join,
|
struct cpp_dir *system, struct cpp_dir *join,
|
int verbose)
|
int verbose)
|
{
|
{
|
struct cpp_dir **pcur, *tmp, *cur;
|
struct cpp_dir **pcur, *tmp, *cur;
|
struct stat st;
|
struct stat st;
|
|
|
for (pcur = &head; *pcur; )
|
for (pcur = &head; *pcur; )
|
{
|
{
|
int reason = REASON_QUIET;
|
int reason = REASON_QUIET;
|
|
|
cur = *pcur;
|
cur = *pcur;
|
|
|
if (stat (cur->name, &st))
|
if (stat (cur->name, &st))
|
{
|
{
|
/* Dirs that don't exist are silently ignored, unless verbose. */
|
/* Dirs that don't exist are silently ignored, unless verbose. */
|
if (errno != ENOENT)
|
if (errno != ENOENT)
|
cpp_errno (pfile, CPP_DL_ERROR, cur->name);
|
cpp_errno (pfile, CPP_DL_ERROR, cur->name);
|
else
|
else
|
{
|
{
|
/* If -Wmissing-include-dirs is given, warn. */
|
/* If -Wmissing-include-dirs is given, warn. */
|
cpp_options *opts = cpp_get_options (pfile);
|
cpp_options *opts = cpp_get_options (pfile);
|
if (opts->warn_missing_include_dirs && cur->user_supplied_p)
|
if (opts->warn_missing_include_dirs && cur->user_supplied_p)
|
cpp_errno (pfile, CPP_DL_WARNING, cur->name);
|
cpp_errno (pfile, CPP_DL_WARNING, cur->name);
|
reason = REASON_NOENT;
|
reason = REASON_NOENT;
|
}
|
}
|
}
|
}
|
else if (!S_ISDIR (st.st_mode))
|
else if (!S_ISDIR (st.st_mode))
|
cpp_error_with_line (pfile, CPP_DL_ERROR, 0, 0,
|
cpp_error_with_line (pfile, CPP_DL_ERROR, 0, 0,
|
"%s: not a directory", cur->name);
|
"%s: not a directory", cur->name);
|
else
|
else
|
{
|
{
|
INO_T_COPY (cur->ino, st.st_ino);
|
INO_T_COPY (cur->ino, st.st_ino);
|
cur->dev = st.st_dev;
|
cur->dev = st.st_dev;
|
|
|
/* Remove this one if it is in the system chain. */
|
/* Remove this one if it is in the system chain. */
|
reason = REASON_DUP_SYS;
|
reason = REASON_DUP_SYS;
|
for (tmp = system; tmp; tmp = tmp->next)
|
for (tmp = system; tmp; tmp = tmp->next)
|
if (INO_T_EQ (tmp->ino, cur->ino) && tmp->dev == cur->dev
|
if (INO_T_EQ (tmp->ino, cur->ino) && tmp->dev == cur->dev
|
&& cur->construct == tmp->construct)
|
&& cur->construct == tmp->construct)
|
break;
|
break;
|
|
|
if (!tmp)
|
if (!tmp)
|
{
|
{
|
/* Duplicate of something earlier in the same chain? */
|
/* Duplicate of something earlier in the same chain? */
|
reason = REASON_DUP;
|
reason = REASON_DUP;
|
for (tmp = head; tmp != cur; tmp = tmp->next)
|
for (tmp = head; tmp != cur; tmp = tmp->next)
|
if (INO_T_EQ (cur->ino, tmp->ino) && cur->dev == tmp->dev
|
if (INO_T_EQ (cur->ino, tmp->ino) && cur->dev == tmp->dev
|
&& cur->construct == tmp->construct)
|
&& cur->construct == tmp->construct)
|
break;
|
break;
|
|
|
if (tmp == cur
|
if (tmp == cur
|
/* Last in the chain and duplicate of JOIN? */
|
/* Last in the chain and duplicate of JOIN? */
|
&& !(cur->next == NULL && join
|
&& !(cur->next == NULL && join
|
&& INO_T_EQ (cur->ino, join->ino)
|
&& INO_T_EQ (cur->ino, join->ino)
|
&& cur->dev == join->dev
|
&& cur->dev == join->dev
|
&& cur->construct == join->construct))
|
&& cur->construct == join->construct))
|
{
|
{
|
/* Unique, so keep this directory. */
|
/* Unique, so keep this directory. */
|
pcur = &cur->next;
|
pcur = &cur->next;
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
/* Remove this entry from the chain. */
|
/* Remove this entry from the chain. */
|
*pcur = cur->next;
|
*pcur = cur->next;
|
free_path (cur, verbose ? reason: REASON_QUIET);
|
free_path (cur, verbose ? reason: REASON_QUIET);
|
}
|
}
|
|
|
*pcur = join;
|
*pcur = join;
|
return head;
|
return head;
|
}
|
}
|
|
|
/* Merge the four include chains together in the order quote, bracket,
|
/* Merge the four include chains together in the order quote, bracket,
|
system, after. Remove duplicate dirs (as determined by
|
system, after. Remove duplicate dirs (as determined by
|
INO_T_EQ()).
|
INO_T_EQ()).
|
|
|
We can't just merge the lists and then uniquify them because then
|
We can't just merge the lists and then uniquify them because then
|
we may lose directories from the <> search path that should be
|
we may lose directories from the <> search path that should be
|
there; consider -iquote foo -iquote bar -Ifoo -Iquux. It is
|
there; consider -iquote foo -iquote bar -Ifoo -Iquux. It is
|
however safe to treat -iquote bar -iquote foo -Ifoo -Iquux as if
|
however safe to treat -iquote bar -iquote foo -Ifoo -Iquux as if
|
written -iquote bar -Ifoo -Iquux. */
|
written -iquote bar -Ifoo -Iquux. */
|
|
|
static void
|
static void
|
merge_include_chains (cpp_reader *pfile, int verbose)
|
merge_include_chains (cpp_reader *pfile, int verbose)
|
{
|
{
|
/* Join the SYSTEM and AFTER chains. Remove duplicates in the
|
/* Join the SYSTEM and AFTER chains. Remove duplicates in the
|
resulting SYSTEM chain. */
|
resulting SYSTEM chain. */
|
if (heads[SYSTEM])
|
if (heads[SYSTEM])
|
tails[SYSTEM]->next = heads[AFTER];
|
tails[SYSTEM]->next = heads[AFTER];
|
else
|
else
|
heads[SYSTEM] = heads[AFTER];
|
heads[SYSTEM] = heads[AFTER];
|
heads[SYSTEM] = remove_duplicates (pfile, heads[SYSTEM], 0, 0, verbose);
|
heads[SYSTEM] = remove_duplicates (pfile, heads[SYSTEM], 0, 0, verbose);
|
|
|
/* Remove duplicates from BRACKET that are in itself or SYSTEM, and
|
/* Remove duplicates from BRACKET that are in itself or SYSTEM, and
|
join it to SYSTEM. */
|
join it to SYSTEM. */
|
heads[BRACKET] = remove_duplicates (pfile, heads[BRACKET], heads[SYSTEM],
|
heads[BRACKET] = remove_duplicates (pfile, heads[BRACKET], heads[SYSTEM],
|
heads[SYSTEM], verbose);
|
heads[SYSTEM], verbose);
|
|
|
/* Remove duplicates from QUOTE that are in itself or SYSTEM, and
|
/* Remove duplicates from QUOTE that are in itself or SYSTEM, and
|
join it to BRACKET. */
|
join it to BRACKET. */
|
heads[QUOTE] = remove_duplicates (pfile, heads[QUOTE], heads[SYSTEM],
|
heads[QUOTE] = remove_duplicates (pfile, heads[QUOTE], heads[SYSTEM],
|
heads[BRACKET], verbose);
|
heads[BRACKET], verbose);
|
|
|
/* If verbose, print the list of dirs to search. */
|
/* If verbose, print the list of dirs to search. */
|
if (verbose)
|
if (verbose)
|
{
|
{
|
struct cpp_dir *p;
|
struct cpp_dir *p;
|
|
|
fprintf (stderr, _("#include \"...\" search starts here:\n"));
|
fprintf (stderr, _("#include \"...\" search starts here:\n"));
|
for (p = heads[QUOTE];; p = p->next)
|
for (p = heads[QUOTE];; p = p->next)
|
{
|
{
|
if (p == heads[BRACKET])
|
if (p == heads[BRACKET])
|
fprintf (stderr, _("#include <...> search starts here:\n"));
|
fprintf (stderr, _("#include <...> search starts here:\n"));
|
if (!p)
|
if (!p)
|
break;
|
break;
|
fprintf (stderr, " %s\n", p->name);
|
fprintf (stderr, " %s\n", p->name);
|
}
|
}
|
fprintf (stderr, _("End of search list.\n"));
|
fprintf (stderr, _("End of search list.\n"));
|
}
|
}
|
}
|
}
|
|
|
/* Use given -I paths for #include "..." but not #include <...>, and
|
/* Use given -I paths for #include "..." but not #include <...>, and
|
don't search the directory of the present file for #include "...".
|
don't search the directory of the present file for #include "...".
|
(Note that -I. -I- is not the same as the default setup; -I. uses
|
(Note that -I. -I- is not the same as the default setup; -I. uses
|
the compiler's working dir.) */
|
the compiler's working dir.) */
|
void
|
void
|
split_quote_chain (void)
|
split_quote_chain (void)
|
{
|
{
|
heads[QUOTE] = heads[BRACKET];
|
heads[QUOTE] = heads[BRACKET];
|
tails[QUOTE] = tails[BRACKET];
|
tails[QUOTE] = tails[BRACKET];
|
heads[BRACKET] = NULL;
|
heads[BRACKET] = NULL;
|
tails[BRACKET] = NULL;
|
tails[BRACKET] = NULL;
|
/* This is NOT redundant. */
|
/* This is NOT redundant. */
|
quote_ignores_source_dir = true;
|
quote_ignores_source_dir = true;
|
}
|
}
|
|
|
/* Add P to the chain specified by CHAIN. */
|
/* Add P to the chain specified by CHAIN. */
|
|
|
void
|
void
|
add_cpp_dir_path (cpp_dir *p, int chain)
|
add_cpp_dir_path (cpp_dir *p, int chain)
|
{
|
{
|
if (tails[chain])
|
if (tails[chain])
|
tails[chain]->next = p;
|
tails[chain]->next = p;
|
else
|
else
|
heads[chain] = p;
|
heads[chain] = p;
|
tails[chain] = p;
|
tails[chain] = p;
|
}
|
}
|
|
|
/* Add PATH to the include chain CHAIN. PATH must be malloc-ed and
|
/* Add PATH to the include chain CHAIN. PATH must be malloc-ed and
|
NUL-terminated. */
|
NUL-terminated. */
|
void
|
void
|
add_path (char *path, int chain, int cxx_aware, bool user_supplied_p)
|
add_path (char *path, int chain, int cxx_aware, bool user_supplied_p)
|
{
|
{
|
cpp_dir *p;
|
cpp_dir *p;
|
|
|
#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
|
#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
|
/* Convert all backslashes to slashes. The native CRT stat()
|
/* Convert all backslashes to slashes. The native CRT stat()
|
function does not recognize a directory that ends in a backslash
|
function does not recognize a directory that ends in a backslash
|
(unless it is a drive root dir, such "c:\"). Forward slashes,
|
(unless it is a drive root dir, such "c:\"). Forward slashes,
|
trailing or otherwise, cause no problems for stat(). */
|
trailing or otherwise, cause no problems for stat(). */
|
char* c;
|
char* c;
|
for (c = path; *c; c++)
|
for (c = path; *c; c++)
|
if (*c == '\\') *c = '/';
|
if (*c == '\\') *c = '/';
|
#endif
|
#endif
|
|
|
p = XNEW (cpp_dir);
|
p = XNEW (cpp_dir);
|
p->next = NULL;
|
p->next = NULL;
|
p->name = path;
|
p->name = path;
|
if (chain == SYSTEM || chain == AFTER)
|
if (chain == SYSTEM || chain == AFTER)
|
p->sysp = 1 + !cxx_aware;
|
p->sysp = 1 + !cxx_aware;
|
else
|
else
|
p->sysp = 0;
|
p->sysp = 0;
|
p->construct = 0;
|
p->construct = 0;
|
p->user_supplied_p = user_supplied_p;
|
p->user_supplied_p = user_supplied_p;
|
|
|
add_cpp_dir_path (p, chain);
|
add_cpp_dir_path (p, chain);
|
}
|
}
|
|
|
/* Exported function to handle include chain merging, duplicate
|
/* Exported function to handle include chain merging, duplicate
|
removal, and registration with cpplib. */
|
removal, and registration with cpplib. */
|
void
|
void
|
register_include_chains (cpp_reader *pfile, const char *sysroot,
|
register_include_chains (cpp_reader *pfile, const char *sysroot,
|
const char *iprefix, const char *imultilib,
|
const char *iprefix, const char *imultilib,
|
int stdinc, int cxx_stdinc, int verbose)
|
int stdinc, int cxx_stdinc, int verbose)
|
{
|
{
|
static const char *const lang_env_vars[] =
|
static const char *const lang_env_vars[] =
|
{ "C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH",
|
{ "C_INCLUDE_PATH", "CPLUS_INCLUDE_PATH",
|
"OBJC_INCLUDE_PATH", "OBJCPLUS_INCLUDE_PATH" };
|
"OBJC_INCLUDE_PATH", "OBJCPLUS_INCLUDE_PATH" };
|
cpp_options *cpp_opts = cpp_get_options (pfile);
|
cpp_options *cpp_opts = cpp_get_options (pfile);
|
size_t idx = (cpp_opts->objc ? 2: 0);
|
size_t idx = (cpp_opts->objc ? 2: 0);
|
|
|
if (cpp_opts->cplusplus)
|
if (cpp_opts->cplusplus)
|
idx++;
|
idx++;
|
else
|
else
|
cxx_stdinc = false;
|
cxx_stdinc = false;
|
|
|
/* CPATH and language-dependent environment variables may add to the
|
/* CPATH and language-dependent environment variables may add to the
|
include chain. */
|
include chain. */
|
add_env_var_paths ("CPATH", BRACKET);
|
add_env_var_paths ("CPATH", BRACKET);
|
add_env_var_paths (lang_env_vars[idx], SYSTEM);
|
add_env_var_paths (lang_env_vars[idx], SYSTEM);
|
|
|
target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
|
target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
|
|
|
/* Finally chain on the standard directories. */
|
/* Finally chain on the standard directories. */
|
if (stdinc)
|
if (stdinc)
|
add_standard_paths (sysroot, iprefix, imultilib, cxx_stdinc);
|
add_standard_paths (sysroot, iprefix, imultilib, cxx_stdinc);
|
|
|
target_c_incpath.extra_includes (sysroot, iprefix, stdinc);
|
target_c_incpath.extra_includes (sysroot, iprefix, stdinc);
|
|
|
merge_include_chains (pfile, verbose);
|
merge_include_chains (pfile, verbose);
|
|
|
cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
|
cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
|
quote_ignores_source_dir);
|
quote_ignores_source_dir);
|
}
|
}
|
#if !(defined TARGET_EXTRA_INCLUDES) || !(defined TARGET_EXTRA_PRE_INCLUDES)
|
#if !(defined TARGET_EXTRA_INCLUDES) || !(defined TARGET_EXTRA_PRE_INCLUDES)
|
static void hook_void_charptr_charptr_int (const char *sysroot ATTRIBUTE_UNUSED,
|
static void hook_void_charptr_charptr_int (const char *sysroot ATTRIBUTE_UNUSED,
|
const char *iprefix ATTRIBUTE_UNUSED,
|
const char *iprefix ATTRIBUTE_UNUSED,
|
int stdinc ATTRIBUTE_UNUSED)
|
int stdinc ATTRIBUTE_UNUSED)
|
{
|
{
|
}
|
}
|
#endif
|
#endif
|
|
|
#ifndef TARGET_EXTRA_INCLUDES
|
#ifndef TARGET_EXTRA_INCLUDES
|
#define TARGET_EXTRA_INCLUDES hook_void_charptr_charptr_int
|
#define TARGET_EXTRA_INCLUDES hook_void_charptr_charptr_int
|
#endif
|
#endif
|
#ifndef TARGET_EXTRA_PRE_INCLUDES
|
#ifndef TARGET_EXTRA_PRE_INCLUDES
|
#define TARGET_EXTRA_PRE_INCLUDES hook_void_charptr_charptr_int
|
#define TARGET_EXTRA_PRE_INCLUDES hook_void_charptr_charptr_int
|
#endif
|
#endif
|
|
|
struct target_c_incpath_s target_c_incpath = { TARGET_EXTRA_PRE_INCLUDES, TARGET_EXTRA_INCLUDES };
|
struct target_c_incpath_s target_c_incpath = { TARGET_EXTRA_PRE_INCLUDES, TARGET_EXTRA_INCLUDES };
|
|
|
|
|
