| 1 | /*
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| 2 | * Copyright (c) 1988, 1989, 1990, 1993
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| 3 | * The Regents of the University of California. All rights reserved.
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| 4 | * Copyright (c) 1989 by Berkeley Softworks
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to Berkeley by
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| 8 | * Adam de Boor.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | * 3. All advertising materials mentioning features or use of this software
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| 19 | * must display the following acknowledgement:
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| 20 | * This product includes software developed by the University of
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| 21 | * California, Berkeley and its contributors.
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| 22 | * 4. Neither the name of the University nor the names of its contributors
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| 23 | * may be used to endorse or promote products derived from this software
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| 24 | * without specific prior written permission.
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| 25 | *
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| 26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 36 | * SUCH DAMAGE.
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| 37 | *
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| 38 | * from: @(#)make.h 8.3 (Berkeley) 6/13/95
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| 39 | * $FreeBSD: src/usr.bin/make/make.h,v 1.12.2.2 2001/02/13 03:13:58 will Exp $
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| 40 | */
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| 41 |
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| 42 | /*-
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| 43 | * make.h --
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| 44 | * The global definitions for pmake
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| 45 | */
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| 46 |
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| 47 | #ifndef _MAKE_H_
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| 48 | #define _MAKE_H_
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| 49 |
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| 50 | #include <sys/types.h>
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| 51 | #include <stdio.h>
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| 52 | #include <string.h>
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| 53 | #include <ctype.h>
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| 54 | #include <err.h>
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| 55 |
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| 56 | #if !defined(MAKE_BOOTSTRAP) && defined(BSD4_4) && !defined(__IBMC__)
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| 57 | # include <sys/cdefs.h>
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| 58 | #else
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| 59 | # ifndef __P
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| 60 | /*kso: # if defined(__STDC__) || defined(__cplusplus) */
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| 61 | # if defined(__STDC__) || defined(__cplusplus) || defined(__IBMC__)
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| 62 | # define __P(protos) protos /* full-blown ANSI C */
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| 63 | # else
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| 64 | # define __P(protos) () /* traditional C preprocessor */
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| 65 | # endif
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| 66 | # endif
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| 67 | /*kso: # ifndef __STDC__*/
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| 68 | # if !defined(__STDC__) && !defined(__IBMC__)
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| 69 | # ifndef const
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| 70 | # define const
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| 71 | # endif
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| 72 | # ifndef volatile
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| 73 | # define volatile
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| 74 | # endif
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| 75 | # endif
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| 76 | #endif
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| 77 |
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| 78 | #if defined(__STDC__) || defined(__IBMC__)
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| 79 | #include <stdlib.h>
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| 80 | #include <unistd.h>
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| 81 | #endif
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| 82 |
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| 83 | #include "sprite.h"
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| 84 | #include "lst.h"
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| 85 | #include "config.h"
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| 86 | #include "buf.h"
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| 87 |
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| 88 | /*-
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| 89 | * The structure for an individual graph node. Each node has several
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| 90 | * pieces of data associated with it.
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| 91 | * 1) the name of the target it describes
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| 92 | * 2) the location of the target file in the file system.
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| 93 | * 3) the type of operator used to define its sources (qv. parse.c)
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| 94 | * 4) whether it is involved in this invocation of make
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| 95 | * 5) whether the target has been remade
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| 96 | * 6) whether any of its children has been remade
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| 97 | * 7) the number of its children that are, as yet, unmade
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| 98 | * 8) its modification time
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| 99 | * 9) the modification time of its youngest child (qv. make.c)
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| 100 | * 10) a list of nodes for which this is a source
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| 101 | * 11) a list of nodes on which this depends
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| 102 | * 12) a list of nodes that depend on this, as gleaned from the
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| 103 | * transformation rules.
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| 104 | * 13) a list of nodes of the same name created by the :: operator
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| 105 | * 14) a list of nodes that must be made (if they're made) before
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| 106 | * this node can be, but that do no enter into the datedness of
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| 107 | * this node.
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| 108 | * 15) a list of nodes that must be made (if they're made) after
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| 109 | * this node is, but that do not depend on this node, in the
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| 110 | * normal sense.
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| 111 | * 16) a Lst of ``local'' variables that are specific to this target
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| 112 | * and this target only (qv. var.c [$@ $< $?, etc.])
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| 113 | * 17) a Lst of strings that are commands to be given to a shell
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| 114 | * to create this target.
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| 115 | */
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| 116 | typedef struct GNode {
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| 117 | char *name; /* The target's name */
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| 118 | char *path; /* The full pathname of the file */
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| 119 | int type; /* Its type (see the OP flags, below) */
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| 120 | int order; /* Its wait weight */
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| 121 |
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| 122 | Boolean make; /* TRUE if this target needs to be remade */
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| 123 | enum {
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| 124 | UNMADE, BEINGMADE, MADE, UPTODATE, ERROR, ABORTED,
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| 125 | CYCLE, ENDCYCLE
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| 126 | } made; /* Set to reflect the state of processing
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| 127 | * on this node:
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| 128 | * UNMADE - Not examined yet
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| 129 | * BEINGMADE - Target is already being made.
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| 130 | * Indicates a cycle in the graph. (compat
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| 131 | * mode only)
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| 132 | * MADE - Was out-of-date and has been made
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| 133 | * UPTODATE - Was already up-to-date
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| 134 | * ERROR - An error occured while it was being
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| 135 | * made (used only in compat mode)
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| 136 | * ABORTED - The target was aborted due to
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| 137 | * an error making an inferior (compat).
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| 138 | * CYCLE - Marked as potentially being part of
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| 139 | * a graph cycle. If we come back to a
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| 140 | * node marked this way, it is printed
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| 141 | * and 'made' is changed to ENDCYCLE.
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| 142 | * ENDCYCLE - the cycle has been completely
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| 143 | * printed. Go back and unmark all its
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| 144 | * members.
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| 145 | */
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| 146 | Boolean childMade; /* TRUE if one of this target's children was
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| 147 | * made */
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| 148 | int unmade; /* The number of unmade children */
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| 149 |
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| 150 | int mtime; /* Its modification time */
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| 151 | int cmtime; /* The modification time of its youngest
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| 152 | * child */
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| 153 |
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| 154 | Lst iParents; /* Links to parents for which this is an
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| 155 | * implied source, if any */
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| 156 | Lst cohorts; /* Other nodes for the :: operator */
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| 157 | Lst parents; /* Nodes that depend on this one */
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| 158 | Lst children; /* Nodes on which this one depends */
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| 159 | Lst successors; /* Nodes that must be made after this one */
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| 160 | Lst preds; /* Nodes that must be made before this one */
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| 161 |
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| 162 | Lst context; /* The local variables */
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| 163 | Lst commands; /* Creation commands */
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| 164 |
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| 165 | struct _Suff *suffix; /* Suffix for the node (determined by
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| 166 | * Suff_FindDeps and opaque to everyone
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| 167 | * but the Suff module) */
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| 168 | } GNode;
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| 169 |
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| 170 | /*
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| 171 | * Manifest constants
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| 172 | */
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| 173 | #define NILGNODE ((GNode *) NIL)
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| 174 |
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| 175 | /*
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| 176 | * The OP_ constants are used when parsing a dependency line as a way of
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| 177 | * communicating to other parts of the program the way in which a target
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| 178 | * should be made. These constants are bitwise-OR'ed together and
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| 179 | * placed in the 'type' field of each node. Any node that has
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| 180 | * a 'type' field which satisfies the OP_NOP function was never never on
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| 181 | * the lefthand side of an operator, though it may have been on the
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| 182 | * righthand side...
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| 183 | */
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| 184 | #define OP_DEPENDS 0x00000001 /* Execution of commands depends on
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| 185 | * kids (:) */
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| 186 | #define OP_FORCE 0x00000002 /* Always execute commands (!) */
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| 187 | #define OP_DOUBLEDEP 0x00000004 /* Execution of commands depends on kids
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| 188 | * per line (::) */
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| 189 | #define OP_OPMASK (OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP)
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| 190 |
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| 191 | #define OP_OPTIONAL 0x00000008 /* Don't care if the target doesn't
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| 192 | * exist and can't be created */
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| 193 | #define OP_USE 0x00000010 /* Use associated commands for parents */
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| 194 | #define OP_EXEC 0x00000020 /* Target is never out of date, but always
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| 195 | * execute commands anyway. Its time
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| 196 | * doesn't matter, so it has none...sort
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| 197 | * of */
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| 198 | #define OP_IGNORE 0x00000040 /* Ignore errors when creating the node */
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| 199 | #define OP_PRECIOUS 0x00000080 /* Don't remove the target when
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| 200 | * interrupted */
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| 201 | #define OP_SILENT 0x00000100 /* Don't echo commands when executed */
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| 202 | #define OP_MAKE 0x00000200 /* Target is a recurrsive make so its
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| 203 | * commands should always be executed when
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| 204 | * it is out of date, regardless of the
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| 205 | * state of the -n or -t flags */
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| 206 | #define OP_JOIN 0x00000400 /* Target is out-of-date only if any of its
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| 207 | * children was out-of-date */
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| 208 | #define OP_INVISIBLE 0x00004000 /* The node is invisible to its parents.
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| 209 | * I.e. it doesn't show up in the parents's
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| 210 | * local variables. */
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| 211 | #define OP_NOTMAIN 0x00008000 /* The node is exempt from normal 'main
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| 212 | * target' processing in parse.c */
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| 213 | #define OP_PHONY 0x00010000 /* Not a file target; run always */
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| 214 | /* Attributes applied by PMake */
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| 215 | #define OP_TRANSFORM 0x80000000 /* The node is a transformation rule */
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| 216 | #ifdef USE_ARCHIVES
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| 217 | #define OP_MEMBER 0x40000000 /* Target is a member of an archive */
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| 218 | #define OP_LIB 0x20000000 /* Target is a library */
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| 219 | #define OP_ARCHV 0x10000000 /* Target is an archive construct */
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| 220 | #endif
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| 221 | #define OP_HAS_COMMANDS 0x08000000 /* Target has all the commands it should.
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| 222 | * Used when parsing to catch multiple
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| 223 | * commands for a target */
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| 224 | #define OP_SAVE_CMDS 0x04000000 /* Saving commands on .END (Compat) */
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| 225 | #define OP_DEPS_FOUND 0x02000000 /* Already processed by Suff_FindDeps */
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| 226 |
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| 227 | /*
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| 228 | * OP_NOP will return TRUE if the node with the given type was not the
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| 229 | * object of a dependency operator
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| 230 | */
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| 231 | #define OP_NOP(t) (((t) & OP_OPMASK) == 0x00000000)
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| 232 |
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| 233 | /*
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| 234 | * The TARG_ constants are used when calling the Targ_FindNode and
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| 235 | * Targ_FindList functions in targ.c. They simply tell the functions what to
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| 236 | * do if the desired node(s) is (are) not found. If the TARG_CREATE constant
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| 237 | * is given, a new, empty node will be created for the target, placed in the
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| 238 | * table of all targets and its address returned. If TARG_NOCREATE is given,
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| 239 | * a NIL pointer will be returned.
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| 240 | */
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| 241 | #define TARG_CREATE 0x01 /* create node if not found */
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| 242 | #define TARG_NOCREATE 0x00 /* don't create it */
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| 243 |
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| 244 | /*
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| 245 | * There are several places where expandable buffers are used (parse.c and
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| 246 | * var.c). This constant is merely the starting point for those buffers. If
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| 247 | * lines tend to be much shorter than this, it would be best to reduce BSIZE.
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| 248 | * If longer, it should be increased. Reducing it will cause more copying to
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| 249 | * be done for longer lines, but will save space for shorter ones. In any
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| 250 | * case, it ought to be a power of two simply because most storage allocation
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| 251 | * schemes allocate in powers of two.
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| 252 | */
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| 253 | #define MAKE_BSIZE 256 /* starting size for expandable buffers */
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| 254 |
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| 255 | /*
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| 256 | * These constants are all used by the Str_Concat function to decide how the
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| 257 | * final string should look. If STR_ADDSPACE is given, a space will be
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| 258 | * placed between the two strings. If STR_ADDSLASH is given, a '/' will
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| 259 | * be used instead of a space. If neither is given, no intervening characters
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| 260 | * will be placed between the two strings in the final output. If the
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| 261 | * STR_DOFREE bit is set, the two input strings will be freed before
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| 262 | * Str_Concat returns.
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| 263 | */
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| 264 | #define STR_ADDSPACE 0x01 /* add a space when Str_Concat'ing */
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| 265 | #define STR_DOFREE 0x02 /* free source strings after concatenation */
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| 266 | #define STR_ADDSLASH 0x04 /* add a slash when Str_Concat'ing */
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| 267 |
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| 268 | /*
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| 269 | * Error levels for parsing. PARSE_FATAL means the process cannot continue
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| 270 | * once the makefile has been parsed. PARSE_WARNING means it can. Passed
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| 271 | * as the first argument to Parse_Error.
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| 272 | */
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| 273 | #define PARSE_WARNING 2
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| 274 | #define PARSE_FATAL 1
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| 275 |
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| 276 | /*
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| 277 | * Values returned by Cond_Eval.
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| 278 | */
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| 279 | #define COND_PARSE 0 /* Parse the next lines */
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| 280 | #define COND_SKIP 1 /* Skip the next lines */
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| 281 | #define COND_INVALID 2 /* Not a conditional statement */
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| 282 |
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| 283 | /*
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| 284 | * Definitions for the "local" variables. Used only for clarity.
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| 285 | */
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| 286 | #define TARGET "@" /* Target of dependency */
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| 287 | #define OODATE "?" /* All out-of-date sources */
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| 288 | #define ALLSRC ">" /* All sources */
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| 289 | #define IMPSRC "<" /* Source implied by transformation */
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| 290 | #define PREFIX "*" /* Common prefix */
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| 291 | #ifdef KMK
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| 292 | #define PARENTS "^" /* Parent of this target (if any) (long name .PARENTS) */
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| 293 | #endif
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| 294 | #ifdef USE_ARCHIVES
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| 295 | #define ARCHIVE "!" /* Archive in "archive(member)" syntax */
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| 296 | #define MEMBER "%" /* Member in "archive(member)" syntax */
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| 297 | #endif
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| 298 |
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| 299 | #define FTARGET "@F" /* file part of TARGET */
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| 300 | #define DTARGET "@D" /* directory part of TARGET */
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| 301 | #define FIMPSRC "<F" /* file part of IMPSRC */
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| 302 | #define DIMPSRC "<D" /* directory part of IMPSRC */
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| 303 | #define FPREFIX "*F" /* file part of PREFIX */
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| 304 | #define DPREFIX "*D" /* directory part of PREFIX */
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| 305 |
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| 306 | /*
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| 307 | * Global Variables
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| 308 | */
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| 309 | extern Lst create; /* The list of target names specified on the
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| 310 | * command line. used to resolve #if
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| 311 | * make(...) statements */
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| 312 | extern Lst dirSearchPath; /* The list of directories to search when
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| 313 | * looking for targets */
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| 314 |
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| 315 | extern Boolean compatMake; /* True if we are make compatible */
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| 316 | extern Boolean ignoreErrors; /* True if should ignore all errors */
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| 317 | extern Boolean beSilent; /* True if should print no commands */
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| 318 | extern Boolean beVerbose; /* True if should print extra cruft */
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| 319 | extern Boolean noExecute; /* True if should execute nothing */
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| 320 | extern Boolean allPrecious; /* True if every target is precious */
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| 321 | extern Boolean keepgoing; /* True if should continue on unaffected
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| 322 | * portions of the graph when have an error
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| 323 | * in one portion */
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| 324 | extern Boolean touchFlag; /* TRUE if targets should just be 'touched'
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| 325 | * if out of date. Set by the -t flag */
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| 326 | extern Boolean usePipes; /* TRUE if should capture the output of
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| 327 | * subshells by means of pipes. Otherwise it
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| 328 | * is routed to temporary files from which it
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| 329 | * is retrieved when the shell exits */
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| 330 | extern Boolean queryFlag; /* TRUE if we aren't supposed to really make
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| 331 | * anything, just see if the targets are out-
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| 332 | * of-date */
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| 333 |
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| 334 | extern Boolean checkEnvFirst; /* TRUE if environment should be searched for
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| 335 | * all variables before the global context */
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| 336 | extern Lst envFirstVars; /* List of specific variables for which the
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| 337 | * environment should be searched before the
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| 338 | * global context */
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| 339 |
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| 340 | extern GNode *DEFAULT; /* .DEFAULT rule */
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| 341 |
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| 342 | extern GNode *VAR_GLOBAL; /* Variables defined in a global context, e.g
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| 343 | * in the Makefile itself */
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| 344 | extern GNode *VAR_CMD; /* Variables defined on the command line */
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| 345 | extern char var_Error[]; /* Value returned by Var_Parse when an error
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| 346 | * is encountered. It actually points to
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| 347 | * an empty string, so naive callers needn't
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| 348 | * worry about it. */
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| 349 |
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| 350 | extern time_t now; /* The time at the start of this whole
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| 351 | * process */
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| 352 |
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| 353 | extern Boolean oldVars; /* Do old-style variable substitution */
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| 354 |
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| 355 | extern Lst sysIncPath; /* The system include path. */
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| 356 |
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| 357 | /*
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| 358 | * debug control:
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| 359 | * There is one bit per module. It is up to the module what debug
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| 360 | * information to print.
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| 361 | */
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| 362 | extern int debug;
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| 363 | #ifdef USE_ARCHIVES
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| 364 | #define DEBUG_ARCH 0x0001
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| 365 | #endif
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| 366 | #define DEBUG_COND 0x0002
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| 367 | #define DEBUG_DIR 0x0004
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| 368 | #define DEBUG_GRAPH1 0x0008
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| 369 | #define DEBUG_GRAPH2 0x0010
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| 370 | #define DEBUG_JOB 0x0020
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| 371 | #define DEBUG_MAKE 0x0040
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| 372 | #define DEBUG_SUFF 0x0080
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| 373 | #define DEBUG_TARG 0x0100
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| 374 | #define DEBUG_VAR 0x0200
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| 375 | #define DEBUG_FOR 0x0400
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| 376 | #define DEBUG_LOUD 0x0800
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| 377 | #define DEBUG_PARSE 0x8000 /*kso*/
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| 378 |
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| 379 | /*#ifdef __STDC__*/
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| 380 | #if defined(__STDC__) || defined(__IBMC__)
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| 381 | #define CONCAT(a,b) a##b
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| 382 | #else
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| 383 | #define I(a) a
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| 384 | #define CONCAT(a,b) I(a)b
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| 385 | #endif /* __STDC__ */
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| 386 |
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| 387 |
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| 388 |
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| 389 | #define DEBUG(module) (debug & CONCAT(DEBUG_,module))
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| 390 | #define ISDOT(c) ((c)[0] == '.' && (((c)[1] == '\0') || ((c)[1] == '/')))
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| 391 | #define ISDOTDOT(c) ((c)[0] == '.' && ISDOT(&((c)[1])))
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| 392 |
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| 393 | /*
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| 394 | * Since there are so many, all functions that return non-integer values are
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| 395 | * extracted by means of a sed script or two and stuck in the file "nonints.h"
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| 396 | */
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| 397 | #include "nonints.h"
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| 398 |
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| 399 | int Make_TimeStamp __P((GNode *, GNode *));
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| 400 | Boolean Make_OODate __P((GNode *));
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| 401 | int Make_HandleUse __P((GNode *, GNode *));
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| 402 | void Make_Update __P((GNode *));
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| 403 | void Make_DoAllVar __P((GNode *));
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| 404 | Boolean Make_Run __P((Lst));
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| 405 |
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| 406 | #endif /* _MAKE_H_ */
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