contrib/bmake/make.h

   1 /*      $NetBSD: make.h,v 1.89 2012/06/12 19:21:51 joerg Exp $  */
   2
   3 /*
   4  * Copyright (c) 1988, 1989, 1990, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * This code is derived from software contributed to Berkeley by
   8  * Adam de Boor.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  * 3. Neither the name of the University nor the names of its contributors
  19  *    may be used to endorse or promote products derived from this software
  20  *    without specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  32  * SUCH DAMAGE.
  33  *
  34  *      from: @(#)make.h        8.3 (Berkeley) 6/13/95
  35  */
  36
  37 /*
  38  * Copyright (c) 1989 by Berkeley Softworks
  39  * All rights reserved.
  40  *
  41  * This code is derived from software contributed to Berkeley by
  42  * Adam de Boor.
  43  *
  44  * Redistribution and use in source and binary forms, with or without
  45  * modification, are permitted provided that the following conditions
  46  * are met:
  47  * 1. Redistributions of source code must retain the above copyright
  48  *    notice, this list of conditions and the following disclaimer.
  49  * 2. Redistributions in binary form must reproduce the above copyright
  50  *    notice, this list of conditions and the following disclaimer in the
  51  *    documentation and/or other materials provided with the distribution.
  52  * 3. All advertising materials mentioning features or use of this software
  53  *    must display the following acknowledgement:
  54  *      This product includes software developed by the University of
  55  *      California, Berkeley and its contributors.
  56  * 4. Neither the name of the University nor the names of its contributors
  57  *    may be used to endorse or promote products derived from this software
  58  *    without specific prior written permission.
  59  *
  60  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  61  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  62  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  63  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  64  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  65  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  66  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  67  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  68  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  69  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  70  * SUCH DAMAGE.
  71  *
  72  *      from: @(#)make.h        8.3 (Berkeley) 6/13/95
  73  */
  74
  75 /*-
  76  * make.h --
  77  *      The global definitions for pmake
  78  */
  79
  80 #ifndef _MAKE_H_
  81 #define _MAKE_H_
  82
  83 #ifdef HAVE_CONFIG_H
  84 # include "config.h"
  85 #endif
  86
  87 #include <sys/types.h>
  88 #include <sys/param.h>
  89
  90 #include <ctype.h>
  91 #include <stdio.h>
  92 #include <stdlib.h>
  93 #ifdef HAVE_STRING_H
  94 #include <string.h>
  95 #else
  96 #include <strings.h>
  97 #endif
  98 #include <unistd.h>
  99 #include <sys/cdefs.h>
 100
 101 #if defined(__GNUC__)
 102 #define MAKE_GNUC_PREREQ(x, y)                                          \
 103         ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) ||                  \
 104          (__GNUC__ > (x)))
 105 #else /* defined(__GNUC__) */
 106 #define MAKE_GNUC_PREREQx, y)   0
 107 #endif /* defined(__GNUC__) */
 108
 109 #if MAKE_GNUC_PREREQ(2, 7)
 110 #define MAKE_ATTR_UNUSED        __attribute__((__unused__))
 111 #else
 112 #define MAKE_ATTR_UNUSED        /* delete */
 113 #endif
 114
 115 #if MAKE_GNUC_PREREQ(2, 5)
 116 #define MAKE_ATTR_DEAD          __attribute__((__noreturn__))
 117 #elif defined(__GNUC__)
 118 #define MAKE_ATTR_DEAD          __volatile
 119 #else
 120 #define MAKE_ATTR_DEAD          /* delete */
 121 #endif
 122
 123 #if MAKE_GNUC_PREREQ(2, 7)
 124 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg)       \
 125             __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
 126 #else
 127 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg)       /* delete */
 128 #endif
 129
 130 #include "sprite.h"
 131 #include "lst.h"
 132 #include "hash.h"
 133 #include "make-conf.h"
 134 #include "buf.h"
 135 #include "make_malloc.h"
 136
 137 /*
 138  * some vendors don't have this --sjg
 139  */
 140 #if defined(S_IFDIR) && !defined(S_ISDIR)
 141 # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
 142 #endif
 143
 144 #if defined(sun) && (defined(__svr4__) || defined(__SVR4))
 145 #define POSIX_SIGNALS
 146 #endif
 147
 148 /*-
 149  * The structure for an individual graph node. Each node has several
 150  * pieces of data associated with it.
 151  *      1) the name of the target it describes
 152  *      2) the location of the target file in the file system.
 153  *      3) the type of operator used to define its sources (qv. parse.c)
 154  *      4) whether it is involved in this invocation of make
 155  *      5) whether the target has been remade
 156  *      6) whether any of its children has been remade
 157  *      7) the number of its children that are, as yet, unmade
 158  *      8) its modification time
 159  *      9) the modification time of its youngest child (qv. make.c)
 160  *      10) a list of nodes for which this is a source (parents)
 161  *      11) a list of nodes on which this depends (children)
 162  *      12) a list of nodes that depend on this, as gleaned from the
 163  *          transformation rules (iParents)
 164  *      13) a list of ancestor nodes, which includes parents, iParents,
 165  *          and recursive parents of parents
 166  *      14) a list of nodes of the same name created by the :: operator
 167  *      15) a list of nodes that must be made (if they're made) before
 168  *          this node can be, but that do not enter into the datedness of
 169  *          this node.
 170  *      16) a list of nodes that must be made (if they're made) before
 171  *          this node or any child of this node can be, but that do not
 172  *          enter into the datedness of this node.
 173  *      17) a list of nodes that must be made (if they're made) after
 174  *          this node is, but that do not depend on this node, in the
 175  *          normal sense.
 176  *      18) a Lst of ``local'' variables that are specific to this target
 177  *         and this target only (qv. var.c [$@ $< $?, etc.])
 178  *      19) a Lst of strings that are commands to be given to a shell
 179  *         to create this target.
 180  */
 181 typedef struct GNode {
 182     char            *name;      /* The target's name */
 183     char            *uname;     /* The unexpanded name of a .USE node */
 184     char            *path;      /* The full pathname of the file */
 185     int             type;       /* Its type (see the OP flags, below) */
 186
 187     int             flags;
 188 #define REMAKE          0x1     /* this target needs to be (re)made */
 189 #define CHILDMADE       0x2     /* children of this target were made */
 190 #define FORCE           0x4     /* children don't exist, and we pretend made */
 191 #define DONE_WAIT       0x8     /* Set by Make_ProcessWait() */
 192 #define DONE_ORDER      0x10    /* Build requested by .ORDER processing */
 193 #define FROM_DEPEND     0x20    /* Node created from .depend */
 194 #define DONE_ALLSRC     0x40    /* We do it once only */
 195 #define CYCLE           0x1000  /* Used by MakePrintStatus */
 196 #define DONECYCLE       0x2000  /* Used by MakePrintStatus */
 197     enum enum_made {
 198         UNMADE, DEFERRED, REQUESTED, BEINGMADE,
 199         MADE, UPTODATE, ERROR, ABORTED
 200     }               made;       /* Set to reflect the state of processing
 201                                  * on this node:
 202                                  *  UNMADE - Not examined yet
 203                                  *  DEFERRED - Examined once (building child)
 204                                  *  REQUESTED - on toBeMade list
 205                                  *  BEINGMADE - Target is already being made.
 206                                  *      Indicates a cycle in the graph.
 207                                  *  MADE - Was out-of-date and has been made
 208                                  *  UPTODATE - Was already up-to-date
 209                                  *  ERROR - An error occurred while it was being
 210                                  *      made (used only in compat mode)
 211                                  *  ABORTED - The target was aborted due to
 212                                  *      an error making an inferior (compat).
 213                                  */
 214     int             unmade;     /* The number of unmade children */
 215
 216     time_t          mtime;      /* Its modification time */
 217     struct GNode    *cmgn;      /* The youngest child */
 218
 219     Lst             iParents;   /* Links to parents for which this is an
 220                                  * implied source, if any */
 221     Lst             cohorts;    /* Other nodes for the :: operator */
 222     Lst             parents;    /* Nodes that depend on this one */
 223     Lst             children;   /* Nodes on which this one depends */
 224     Lst             order_pred; /* .ORDER nodes we need made */
 225     Lst             order_succ; /* .ORDER nodes who need us */
 226
 227     char            cohort_num[8]; /* #n for this cohort */
 228     int             unmade_cohorts;/* # of unmade instances on the
 229                                       cohorts list */
 230     struct GNode    *centurion; /* Pointer to the first instance of a ::
 231                                    node; only set when on a cohorts list */
 232     unsigned int    checked;    /* Last time we tried to makle this node */
 233
 234     Hash_Table      context;    /* The local variables */
 235     Lst             commands;   /* Creation commands */
 236
 237     struct _Suff    *suffix;    /* Suffix for the node (determined by
 238                                  * Suff_FindDeps and opaque to everyone
 239                                  * but the Suff module) */
 240     const char      *fname;     /* filename where the GNode got defined */
 241     int              lineno;    /* line number where the GNode got defined */
 242 } GNode;
 243
 244 /*
 245  * The OP_ constants are used when parsing a dependency line as a way of
 246  * communicating to other parts of the program the way in which a target
 247  * should be made. These constants are bitwise-OR'ed together and
 248  * placed in the 'type' field of each node. Any node that has
 249  * a 'type' field which satisfies the OP_NOP function was never never on
 250  * the lefthand side of an operator, though it may have been on the
 251  * righthand side...
 252  */
 253 #define OP_DEPENDS      0x00000001  /* Execution of commands depends on
 254                                      * kids (:) */
 255 #define OP_FORCE        0x00000002  /* Always execute commands (!) */
 256 #define OP_DOUBLEDEP    0x00000004  /* Execution of commands depends on kids
 257                                      * per line (::) */
 258 #define OP_OPMASK       (OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP)
 259
 260 #define OP_OPTIONAL     0x00000008  /* Don't care if the target doesn't
 261                                      * exist and can't be created */
 262 #define OP_USE          0x00000010  /* Use associated commands for parents */
 263 #define OP_EXEC         0x00000020  /* Target is never out of date, but always
 264                                      * execute commands anyway. Its time
 265                                      * doesn't matter, so it has none...sort
 266                                      * of */
 267 #define OP_IGNORE       0x00000040  /* Ignore errors when creating the node */
 268 #define OP_PRECIOUS     0x00000080  /* Don't remove the target when
 269                                      * interrupted */
 270 #define OP_SILENT       0x00000100  /* Don't echo commands when executed */
 271 #define OP_MAKE         0x00000200  /* Target is a recursive make so its
 272                                      * commands should always be executed when
 273                                      * it is out of date, regardless of the
 274                                      * state of the -n or -t flags */
 275 #define OP_JOIN         0x00000400  /* Target is out-of-date only if any of its
 276                                      * children was out-of-date */
 277 #define OP_MADE         0x00000800  /* Assume the children of the node have
 278                                      * been already made */
 279 #define OP_SPECIAL      0x00001000  /* Special .BEGIN, .END, .INTERRUPT */
 280 #define OP_USEBEFORE    0x00002000  /* Like .USE, only prepend commands */
 281 #define OP_INVISIBLE    0x00004000  /* The node is invisible to its parents.
 282                                      * I.e. it doesn't show up in the parents's
 283                                      * local variables. */
 284 #define OP_NOTMAIN      0x00008000  /* The node is exempt from normal 'main
 285                                      * target' processing in parse.c */
 286 #define OP_PHONY        0x00010000  /* Not a file target; run always */
 287 #define OP_NOPATH       0x00020000  /* Don't search for file in the path */
 288 #define OP_WAIT         0x00040000  /* .WAIT phony node */
 289 #define OP_NOMETA       0x00080000  /* .NOMETA do not create a .meta file */
 290 #define OP_META         0x00100000  /* .META we _do_ want a .meta file */
 291 #define OP_NOMETA_CMP   0x00200000  /* Do not compare commands in .meta file */
 292 /* Attributes applied by PMake */
 293 #define OP_TRANSFORM    0x80000000  /* The node is a transformation rule */
 294 #define OP_MEMBER       0x40000000  /* Target is a member of an archive */
 295 #define OP_LIB          0x20000000  /* Target is a library */
 296 #define OP_ARCHV        0x10000000  /* Target is an archive construct */
 297 #define OP_HAS_COMMANDS 0x08000000  /* Target has all the commands it should.
 298                                      * Used when parsing to catch multiple
 299                                      * commands for a target */
 300 #define OP_SAVE_CMDS    0x04000000  /* Saving commands on .END (Compat) */
 301 #define OP_DEPS_FOUND   0x02000000  /* Already processed by Suff_FindDeps */
 302 #define OP_MARK         0x01000000  /* Node found while expanding .ALLSRC */
 303
 304 #define NoExecute(gn) ((gn->type & OP_MAKE) ? noRecursiveExecute : noExecute)
 305 /*
 306  * OP_NOP will return TRUE if the node with the given type was not the
 307  * object of a dependency operator
 308  */
 309 #define OP_NOP(t)       (((t) & OP_OPMASK) == 0x00000000)
 310
 311 #define OP_NOTARGET (OP_NOTMAIN|OP_USE|OP_EXEC|OP_TRANSFORM)
 312
 313 /*
 314  * The TARG_ constants are used when calling the Targ_FindNode and
 315  * Targ_FindList functions in targ.c. They simply tell the functions what to
 316  * do if the desired node(s) is (are) not found. If the TARG_CREATE constant
 317  * is given, a new, empty node will be created for the target, placed in the
 318  * table of all targets and its address returned. If TARG_NOCREATE is given,
 319  * a NULL pointer will be returned.
 320  */
 321 #define TARG_NOCREATE   0x00      /* don't create it */
 322 #define TARG_CREATE     0x01      /* create node if not found */
 323 #define TARG_NOHASH     0x02      /* don't look in/add to hash table */
 324
 325 /*
 326  * These constants are all used by the Str_Concat function to decide how the
 327  * final string should look. If STR_ADDSPACE is given, a space will be
 328  * placed between the two strings. If STR_ADDSLASH is given, a '/' will
 329  * be used instead of a space. If neither is given, no intervening characters
 330  * will be placed between the two strings in the final output. If the
 331  * STR_DOFREE bit is set, the two input strings will be freed before
 332  * Str_Concat returns.
 333  */
 334 #define STR_ADDSPACE    0x01    /* add a space when Str_Concat'ing */
 335 #define STR_ADDSLASH    0x02    /* add a slash when Str_Concat'ing */
 336
 337 /*
 338  * Error levels for parsing. PARSE_FATAL means the process cannot continue
 339  * once the makefile has been parsed. PARSE_WARNING means it can. Passed
 340  * as the first argument to Parse_Error.
 341  */
 342 #define PARSE_WARNING   2
 343 #define PARSE_FATAL     1
 344
 345 /*
 346  * Values returned by Cond_Eval.
 347  */
 348 #define COND_PARSE      0       /* Parse the next lines */
 349 #define COND_SKIP       1       /* Skip the next lines */
 350 #define COND_INVALID    2       /* Not a conditional statement */
 351
 352 /*
 353  * Definitions for the "local" variables. Used only for clarity.
 354  */
 355 #define TARGET            "@"   /* Target of dependency */
 356 #define OODATE            "?"   /* All out-of-date sources */
 357 #define ALLSRC            ">"   /* All sources */
 358 #define IMPSRC            "<"   /* Source implied by transformation */
 359 #define PREFIX            "*"   /* Common prefix */
 360 #define ARCHIVE           "!"   /* Archive in "archive(member)" syntax */
 361 #define MEMBER            "%"   /* Member in "archive(member)" syntax */
 362
 363 #define FTARGET           "@F"  /* file part of TARGET */
 364 #define DTARGET           "@D"  /* directory part of TARGET */
 365 #define FIMPSRC           "<F"  /* file part of IMPSRC */
 366 #define DIMPSRC           "<D"  /* directory part of IMPSRC */
 367 #define FPREFIX           "*F"  /* file part of PREFIX */
 368 #define DPREFIX           "*D"  /* directory part of PREFIX */
 369
 370 /*
 371  * Global Variables
 372  */
 373 extern Lst      create;         /* The list of target names specified on the
 374                                  * command line. used to resolve #if
 375                                  * make(...) statements */
 376 extern Lst      dirSearchPath;  /* The list of directories to search when
 377                                  * looking for targets */
 378
 379 extern Boolean  compatMake;     /* True if we are make compatible */
 380 extern Boolean  ignoreErrors;   /* True if should ignore all errors */
 381 extern Boolean  beSilent;       /* True if should print no commands */
 382 extern Boolean  noExecute;      /* True if should execute nothing */
 383 extern Boolean  noRecursiveExecute;     /* True if should execute nothing */
 384 extern Boolean  allPrecious;    /* True if every target is precious */
 385 extern Boolean  keepgoing;      /* True if should continue on unaffected
 386                                  * portions of the graph when have an error
 387                                  * in one portion */
 388 extern Boolean  touchFlag;      /* TRUE if targets should just be 'touched'
 389                                  * if out of date. Set by the -t flag */
 390 extern Boolean  queryFlag;      /* TRUE if we aren't supposed to really make
 391                                  * anything, just see if the targets are out-
 392                                  * of-date */
 393 extern Boolean  doing_depend;   /* TRUE if processing .depend */
 394
 395 extern Boolean  checkEnvFirst;  /* TRUE if environment should be searched for
 396                                  * variables before the global context */
 397 extern Boolean  jobServer;      /* a jobServer already exists */
 398
 399 extern Boolean  parseWarnFatal; /* TRUE if makefile parsing warnings are
 400                                  * treated as errors */
 401
 402 extern Boolean  varNoExportEnv; /* TRUE if we should not export variables
 403                                  * set on the command line to the env. */
 404
 405 extern GNode    *DEFAULT;       /* .DEFAULT rule */
 406
 407 extern GNode    *VAR_GLOBAL;    /* Variables defined in a global context, e.g
 408                                  * in the Makefile itself */
 409 extern GNode    *VAR_CMD;       /* Variables defined on the command line */
 410 extern GNode    *VAR_FOR;       /* Iteration variables */
 411 extern char     var_Error[];    /* Value returned by Var_Parse when an error
 412                                  * is encountered. It actually points to
 413                                  * an empty string, so naive callers needn't
 414                                  * worry about it. */
 415
 416 extern time_t   now;            /* The time at the start of this whole
 417                                  * process */
 418
 419 extern Boolean  oldVars;        /* Do old-style variable substitution */
 420
 421 extern Lst      sysIncPath;     /* The system include path. */
 422 extern Lst      defIncPath;     /* The default include path. */
 423
 424 extern char     curdir[];       /* Startup directory */
 425 extern char     *progname;      /* The program name */
 426 extern char     *makeDependfile; /* .depend */
 427 extern char     **savedEnv;      /* if we replaced environ this will be non-NULL */
 428
 429 /*
 430  * We cannot vfork() in a child of vfork().
 431  * Most systems do not enforce this but some do.
 432  */
 433 #define vFork() ((getpid() == myPid) ? vfork() : fork())
 434 extern pid_t    myPid;
 435
 436 #define MAKEFLAGS       ".MAKEFLAGS"
 437 #define MAKEOVERRIDES   ".MAKEOVERRIDES"
 438 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix for job target output */
 439 #define MAKE_EXPORTED   ".MAKE.EXPORTED"   /* variables we export */
 440 #define MAKE_MAKEFILES  ".MAKE.MAKEFILES"  /* all the makefiles we read */
 441 #define MAKE_LEVEL      ".MAKE.LEVEL"      /* recursion level */
 442 #define MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE"
 443 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */
 444 #define MAKE_MODE       ".MAKE.MODE"
 445
 446 #ifdef NEED_MAKE_LEVEL_SAFE
 447 # define MAKE_LEVEL_SAFE "_MAKE_LEVEL"  /* some shells will not pass .MAKE. */
 448 #endif
 449
 450 /*
 451  * debug control:
 452  *      There is one bit per module.  It is up to the module what debug
 453  *      information to print.
 454  */
 455 FILE *debug_file;               /* Output written here - default stdout */
 456 extern int debug;
 457 #define DEBUG_ARCH      0x00001
 458 #define DEBUG_COND      0x00002
 459 #define DEBUG_DIR       0x00004
 460 #define DEBUG_GRAPH1    0x00008
 461 #define DEBUG_GRAPH2    0x00010
 462 #define DEBUG_JOB       0x00020
 463 #define DEBUG_MAKE      0x00040
 464 #define DEBUG_SUFF      0x00080
 465 #define DEBUG_TARG      0x00100
 466 #define DEBUG_VAR       0x00200
 467 #define DEBUG_FOR       0x00400
 468 #define DEBUG_SHELL     0x00800
 469 #define DEBUG_ERROR     0x01000
 470 #define DEBUG_LOUD      0x02000
 471 #define DEBUG_META      0x04000
 472
 473 #define DEBUG_GRAPH3    0x10000
 474 #define DEBUG_SCRIPT    0x20000
 475 #define DEBUG_PARSE     0x40000
 476 #define DEBUG_CWD       0x80000
 477
 478 #define CONCAT(a,b)     a##b
 479
 480 #define DEBUG(module)   (debug & CONCAT(DEBUG_,module))
 481
 482 #include "nonints.h"
 483
 484 int Make_TimeStamp(GNode *, GNode *);
 485 Boolean Make_OODate(GNode *);
 486 void Make_ExpandUse(Lst);
 487 time_t Make_Recheck(GNode *);
 488 void Make_HandleUse(GNode *, GNode *);
 489 void Make_Update(GNode *);
 490 void Make_DoAllVar(GNode *);
 491 Boolean Make_Run(Lst);
 492 char * Check_Cwd_Cmd(const char *);
 493 void Check_Cwd(const char **);
 494 void PrintOnError(GNode *, const char *);
 495 void Main_ExportMAKEFLAGS(Boolean);
 496 Boolean Main_SetObjdir(const char *);
 497 int mkTempFile(const char *, char **);
 498 int str2Lst_Append(Lst, char *, const char *);
 499
 500 #ifdef __GNUC__
 501 #define UNCONST(ptr)    ({              \
 502     union __unconst {                   \
 503         const void *__cp;               \
 504         void *__p;                      \
 505     } __d;                              \
 506     __d.__cp = ptr, __d.__p; })
 507 #else
 508 #define UNCONST(ptr)    (void *)(ptr)
 509 #endif
 510
 511 #ifndef MIN
 512 #define MIN(a, b) ((a < b) ? a : b)
 513 #endif
 514 #ifndef MAX
 515 #define MAX(a, b) ((a > b) ? a : b)
 516 #endif
 517
 518 #endif /* _MAKE_H_ */