/* Set up combined include path chain for the preprocessor.
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
Broken out of cppinit.c and cppfiles.c and rewritten Mar 2003.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#include "config.h"
#include "system.h"
# define INO_T_EQ(A, B) (!memcmp (&(A), &(B), sizeof (A)))
# define INO_T_COPY(DEST, SRC) memcpy(&(DEST), &(SRC), sizeof (SRC))
#else
-# if (defined _WIN32 && ! defined (_UWIN)) || defined __MSDOS__
+# if (defined _WIN32 && !defined (_UWIN)) || defined __MSDOS__
# define INO_T_EQ(A, B) 0
# else
# define INO_T_EQ(A, B) ((A) == (B))
path[q - p] = '\0';
}
- add_path (path, chain, chain == SYSTEM);
+ add_path (path, chain, chain == SYSTEM, false);
}
}
if (iprefix && (len = cpp_GCC_INCLUDE_DIR_len) != 0)
{
/* Look for directories that start with the standard prefix.
- "Translate" them, ie. replace /usr/local/lib/gcc... with
+ "Translate" them, i.e. replace /usr/local/lib/gcc... with
IPREFIX and search them first. */
for (p = cpp_include_defaults; p->fname; p++)
{
if (!strncmp (p->fname, cpp_GCC_INCLUDE_DIR, len))
{
char *str = concat (iprefix, p->fname + len, NULL);
- add_path (str, SYSTEM, p->cxx_aware);
+ add_path (str, SYSTEM, p->cxx_aware, false);
}
}
}
else
str = update_path (p->fname, p->component);
- add_path (str, SYSTEM, p->cxx_aware);
+ add_path (str, SYSTEM, p->cxx_aware, false);
}
}
}
JOIN, unless it duplicates JOIN in which case the last path is
removed. Return the head of the resulting chain. Any of HEAD,
JOIN and SYSTEM can be NULL. */
+
static struct cpp_dir *
remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
struct cpp_dir *system, struct cpp_dir *join,
if (errno != ENOENT)
cpp_errno (pfile, CPP_DL_ERROR, cur->name);
else
- reason = REASON_NOENT;
+ {
+ /* If -Wmissing-include-dirs is given, warn. */
+ cpp_options *opts = cpp_get_options (pfile);
+ if (opts->warn_missing_include_dirs && cur->user_supplied_p)
+ cpp_errno (pfile, CPP_DL_WARNING, cur->name);
+ reason = REASON_NOENT;
+ }
}
else if (!S_ISDIR (st.st_mode))
cpp_error_with_line (pfile, CPP_DL_ERROR, 0, 0,
/* Remove this one if it is in the system chain. */
reason = REASON_DUP_SYS;
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)
break;
if (!tmp)
/* Duplicate of something earlier in the same chain? */
reason = REASON_DUP;
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)
break;
if (tmp == cur
/* Last in the chain and duplicate of JOIN? */
&& !(cur->next == NULL && join
&& INO_T_EQ (cur->ino, join->ino)
- && cur->dev == join->dev))
+ && cur->dev == join->dev
+ && cur->construct == join->construct))
{
/* Unique, so keep this directory. */
pcur = &cur->next;
We can't just merge the lists and then uniquify them because then
we may lose directories from the <> search path that should be
- there; consider -Ifoo -Ibar -I- -Ifoo -Iquux. It is however safe
- to treat -Ibar -Ifoo -I- -Ifoo -Iquux as if written -Ibar -I- -Ifoo
- -Iquux. */
+ there; consider -iquote foo -iquote bar -Ifoo -Iquux. It is
+ however safe to treat -iquote bar -iquote foo -Ifoo -Iquux as if
+ written -iquote bar -Ifoo -Iquux. */
+
static void
merge_include_chains (cpp_reader *pfile, int verbose)
{
/* Add PATH to the include chain CHAIN. PATH must be malloc-ed and
NUL-terminated. */
void
-add_path (char *path, int chain, int cxx_aware)
+add_path (char *path, int chain, int cxx_aware, bool user_supplied_p)
{
cpp_dir *p;
+#if defined (HAVE_DOS_BASED_FILE_SYSTEM)
+ /* Convert all backslashes to slashes. The native CRT stat()
+ function does not recognize a directory that ends in a backslash
+ (unless it is a drive root dir, such "c:\"). Forward slashes,
+ trailing or otherwise, cause no problems for stat(). */
+ char* c;
+ for (c = path; *c; c++)
+ if (*c == '\\') *c = '/';
+#endif
+
p = xmalloc (sizeof (cpp_dir));
p->next = NULL;
p->name = path;
else
p->sysp = 0;
p->construct = 0;
+ p->user_supplied_p = user_supplied_p;
- if (tails[chain])
- tails[chain]->next = p;
- else
- heads[chain] = p;
- tails[chain] = p;
+ add_cpp_dir_path (p, chain);
}
/* Exported function to handle include chain merging, duplicate
include chain. */
add_env_var_paths ("CPATH", BRACKET);
add_env_var_paths (lang_env_vars[idx], SYSTEM);
+
+ target_c_incpath.extra_pre_includes (sysroot, iprefix, stdinc);
/* Finally chain on the standard directories. */
if (stdinc)
add_standard_paths (sysroot, iprefix, cxx_stdinc);
- target_c_incpath.extra_includes (stdinc);
+ target_c_incpath.extra_includes (sysroot, iprefix, stdinc);
merge_include_chains (pfile, verbose);
cpp_set_include_chains (pfile, heads[QUOTE], heads[BRACKET],
quote_ignores_source_dir);
}
+#if !(defined TARGET_EXTRA_INCLUDES) || !(defined TARGET_EXTRA_PRE_INCLUDES)
+static void hook_void_charptr_charptr_int (const char *sysroot ATTRIBUTE_UNUSED,
+ const char *iprefix ATTRIBUTE_UNUSED,
+ int stdinc ATTRIBUTE_UNUSED)
+{
+}
+#endif
#ifndef TARGET_EXTRA_INCLUDES
-static void hook_void_int(int u ATTRIBUTE_UNUSED) { }
-
-struct target_c_incpath_s target_c_incpath = { hook_void_int };
+#define TARGET_EXTRA_INCLUDES hook_void_charptr_charptr_int
+#endif
+#ifndef TARGET_EXTRA_PRE_INCLUDES
+#define TARGET_EXTRA_PRE_INCLUDES hook_void_charptr_charptr_int
#endif
+
+struct target_c_incpath_s target_c_incpath = { TARGET_EXTRA_PRE_INCLUDES, TARGET_EXTRA_INCLUDES };
+
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