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93 lines
3.1 KiB
C
93 lines
3.1 KiB
C
/* Definitions of dependency data structures for GNU Make.
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Copyright (C) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
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1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
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2012 Free Software Foundation, Inc.
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This file is part of GNU Make.
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GNU Make is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3 of the License, or (at your option) any later
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version.
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GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Flag bits for the second argument to 'read_makefile'.
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These flags are saved in the 'changed' field of each
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'struct dep' in the chain returned by 'read_all_makefiles'. */
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#define RM_NO_DEFAULT_GOAL (1 << 0) /* Do not set default goal. */
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#define RM_INCLUDED (1 << 1) /* Search makefile search path. */
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#define RM_DONTCARE (1 << 2) /* No error if it doesn't exist. */
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#define RM_NO_TILDE (1 << 3) /* Don't expand ~ in file name. */
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#define RM_NOFLAG 0
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/* Structure representing one dependency of a file.
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Each struct file's 'deps' points to a chain of these,
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chained through the 'next'. 'stem' is the stem for this
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dep line of static pattern rule or NULL.
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Note that the first two words of this match a struct nameseq. */
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struct dep
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{
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struct dep *next;
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const char *name;
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const char *stem;
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struct file *file;
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unsigned int changed : 8;
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unsigned int ignore_mtime : 1;
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unsigned int staticpattern : 1;
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unsigned int need_2nd_expansion : 1;
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unsigned int dontcare : 1;
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};
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/* Structure used in chains of names, for parsing and globbing. */
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struct nameseq
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{
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struct nameseq *next;
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const char *name;
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};
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#define PARSEFS_NONE (0x0000)
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#define PARSEFS_NOSTRIP (0x0001)
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#define PARSEFS_NOAR (0x0002)
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#define PARSEFS_NOGLOB (0x0004)
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#define PARSEFS_EXISTS (0x0008)
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#define PARSEFS_NOCACHE (0x0010)
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#define PARSE_FILE_SEQ(_s,_t,_c,_p,_f) \
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(_t *)parse_file_seq ((_s),sizeof (_t),(_c),(_p),(_f))
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#ifdef VMS
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void *parse_file_seq ();
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#else
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void *parse_file_seq (char **stringp, unsigned int size,
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int stopchar, const char *prefix, int flags);
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#endif
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char *tilde_expand (const char *name);
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#ifndef NO_ARCHIVES
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struct nameseq *ar_glob (const char *arname, const char *member_pattern, unsigned int size);
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#endif
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#define dep_name(d) ((d)->name == 0 ? (d)->file->name : (d)->name)
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#define alloc_dep() (xcalloc (sizeof (struct dep)))
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#define free_ns(_n) free (_n)
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#define free_dep(_d) free_ns (_d)
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struct dep *copy_dep_chain (const struct dep *d);
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void free_dep_chain (struct dep *d);
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void free_ns_chain (struct nameseq *n);
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struct dep *read_all_makefiles (const char **makefiles);
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void eval_buffer (char *buffer);
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int update_goal_chain (struct dep *goals);
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