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45352bae07
out-of-date print not only "modified before source" message but also the path of youngest source.
225 lines
7.4 KiB
C
225 lines
7.4 KiB
C
/*-
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* Copyright (c) 1988, 1989, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1989 by Berkeley Softworks
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Adam de Boor.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef GNode_h_39503bf2
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#define GNode_h_39503bf2
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#include "lst.h"
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#include "util.h"
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struct Suff;
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/*
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* The structure for an individual graph node. Each node has several
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* pieces of data associated with it.
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*/
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typedef struct GNode {
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char *name; /* The target's name */
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char *path; /* The full pathname of the target file */
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/*
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* The type of operator used to define the sources (qv. parse.c)
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*
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* The OP_ constants are used when parsing a dependency line as a way of
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* communicating to other parts of the program the way in which a target
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* should be made. These constants are bitwise-OR'ed together and
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* placed in the 'type' field of each node. Any node that has
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* a 'type' field which satisfies the OP_NOP function was never never on
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* the lefthand side of an operator, though it may have been on the
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* righthand side...
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*/
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int type;
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#define OP_DEPENDS 0x00000001 /* Execution of commands depends on
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* kids (:) */
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#define OP_FORCE 0x00000002 /* Always execute commands (!) */
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#define OP_DOUBLEDEP 0x00000004 /* Execution of commands depends on
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* kids per line (::) */
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#define OP_OPMASK (OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP)
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#define OP_OPTIONAL 0x00000008 /* Don't care if the target doesn't
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* exist and can't be created */
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#define OP_USE 0x00000010 /*
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* Use associated commands for
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* parents
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*/
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#define OP_EXEC 0x00000020 /* Target is never out of date, but
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* always execute commands anyway.
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* Its time doesn't matter, so it has
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* none...sort of
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*/
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#define OP_IGNORE 0x00000040 /*
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* Ignore errors when creating the node
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*/
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#define OP_PRECIOUS 0x00000080 /* Don't remove the target when
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* interrupted */
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#define OP_SILENT 0x00000100 /* Don't echo commands when executed */
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#define OP_MAKE 0x00000200 /*
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* Target is a recurrsive make so its
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* commands should always be executed
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* when it is out of date, regardless
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* of the state of the -n or -t flags
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*/
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#define OP_JOIN 0x00000400 /* Target is out-of-date only if any of
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* its children was out-of-date */
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#define OP_INVISIBLE 0x00004000 /* The node is invisible to its parents.
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* I.e. it doesn't show up in the
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* parents's local variables. */
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#define OP_NOTMAIN 0x00008000 /* The node is exempt from normal 'main
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* target' processing in parse.c */
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#define OP_PHONY 0x00010000 /* Not a file target; run always */
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/* Attributes applied by PMake */
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#define OP_TRANSFORM 0x80000000 /* The node is a transformation rule */
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#define OP_MEMBER 0x40000000 /* Target is a member of an archive */
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#define OP_LIB 0x20000000 /* Target is a library */
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#define OP_ARCHV 0x10000000 /* Target is an archive construct */
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#define OP_HAS_COMMANDS 0x08000000 /* Target has all the commands it
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* should. Used when parsing to catch
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* multiple commands for a target */
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#define OP_SAVE_CMDS 0x04000000 /* Saving commands on .END (Compat) */
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#define OP_DEPS_FOUND 0x02000000 /* Already processed by Suff_FindDeps */
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/*
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* OP_NOP will return TRUE if the node with the given type was not the
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* object of a dependency operator
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*/
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#define OP_NOP(t) (((t) & OP_OPMASK) == 0x00000000)
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int order; /* Its wait weight */
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Boolean make; /* TRUE if this target needs to be remade */
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/* Set to reflect the state of processing on this node */
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enum {
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UNMADE, /* Not examined yet */
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/*
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* Target is already being made. Indicates a cycle in the graph.
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* (compat mode only)
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*/
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BEINGMADE,
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MADE, /* Was out-of-date and has been made */
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UPTODATE, /* Was already up-to-date */
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/*
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* An error occured while it was being
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* made (used only in compat mode)
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*/
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ERROR,
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/*
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* The target was aborted due to an
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* error making an inferior (compat).
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*/
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ABORTED,
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/*
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* Marked as potentially being part of a graph cycle. If we
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* come back to a node marked this way, it is printed and
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* 'made' is changed to ENDCYCLE.
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*/
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CYCLE,
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/*
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* The cycle has been completely printed. Go back and
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* unmark all its members.
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*/
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ENDCYCLE
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} made;
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/* TRUE if one of this target's children was made */
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Boolean childMade;
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int unmade; /* The number of unmade children */
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int mtime; /* Its modification time */
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int cmtime; /* Modification time of its youngest child */
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struct GNode *cmtime_gn;/* Youngest child */
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/*
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* Links to parents for which this is an implied source, if any. (nodes
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* that depend on this, as gleaned from the transformation rules.
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*/
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Lst iParents;
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/* List of nodes of the same name created by the :: operator */
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Lst cohorts;
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/* Lst of nodes for which this is a source (that depend on this one) */
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Lst parents;
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/* List of nodes on which this depends */
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Lst children;
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/*
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* List of nodes that must be made (if they're made) after this node is,
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* but that do not depend on this node, in the normal sense.
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*/
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Lst successors;
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/*
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* List of nodes that must be made (if they're made) before this node
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* can be, but that do no enter into the datedness of this node.
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*/
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Lst preds;
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/*
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* List of ``local'' variables that are specific to this target
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* and this target only (qv. var.c [$@ $< $?, etc.])
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*/
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Lst context;
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/*
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* List of strings that are commands to be given to a shell
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* to create this target.
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*/
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Lst commands;
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/* current command executing in compat mode */
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LstNode *compat_command;
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/*
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* Suffix for the node (determined by Suff_FindDeps and opaque to
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* everyone but the Suff module)
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*/
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struct Suff *suffix;
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} GNode;
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#endif /* GNode_h_39503bf2 */
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