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/* Definitions of dependency data structures for GNU Make.
Copyright (C) 1988-2012 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make 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 of the License, or (at your option) any later
version.
GNU Make 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. If not, see <http://www.gnu.org/licenses/>. */
/* Flag bits for the second argument to 'read_makefile'.
These flags are saved in the 'changed' field of each
'struct dep' in the chain returned by 'read_all_makefiles'. */
#define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */
#define RM_INCLUDED (1 << 1) /* Search makefile search path. */
#define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */
#define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */
#define RM_NOFLAG 0
/* Structure representing one dependency of a file.
Each struct file's 'deps' points to a chain of these,
chained through the 'next'. 'stem' is the stem for this
dep line of static pattern rule or NULL.
Note that the first two words of this match a struct nameseq. */
struct dep
{
struct dep *next;
const char *name;
const char *stem;
struct file *file;
unsigned int changed : 8;
unsigned int ignore_mtime : 1;
unsigned int staticpattern : 1;
unsigned int need_2nd_expansion : 1;
unsigned int dontcare : 1;
};
/* Structure used in chains of names, for parsing and globbing. */
struct nameseq
{
struct nameseq *next;
const char *name;
};
#define PARSEFS_NONE (0x0000)
#define PARSEFS_NOSTRIP (0x0001)
#define PARSEFS_NOAR (0x0002)
#define PARSEFS_NOGLOB (0x0004)
#define PARSEFS_EXISTS (0x0008)
#define PARSEFS_NOCACHE (0x0010)
#define PARSE_FILE_SEQ(_s,_t,_c,_p,_f) \
(_t *)parse_file_seq ((_s),sizeof (_t),(_c),(_p),(_f))
#ifdef VMS
void *parse_file_seq ();
#else
void *parse_file_seq (char **stringp, unsigned int size,
int stopchar, const char *prefix, int flags);
#endif
char *tilde_expand (const char *name);
#ifndef NO_ARCHIVES
struct nameseq *ar_glob (const char *arname, const char *member_pattern, unsigned int size);
#endif
#define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
#define alloc_dep() (xcalloc (sizeof (struct dep)))
#define free_ns(_n) free (_n)
#define free_dep(_d) free_ns (_d)
struct dep *copy_dep_chain (const struct dep *d);
void free_dep_chain (struct dep *d);
void free_ns_chain (struct nameseq *n);
struct dep *read_all_makefiles (const char **makefiles);
void eval_buffer (char *buffer);
int update_goal_chain (struct dep *goals);
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