make.h revision 1.132
1 /* $NetBSD: make.h,v 1.132 2020/08/29 12:20:17 rillig 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_MAKE_H 81 #define MAKE_MAKE_H 82 83 #include <sys/types.h> 84 #include <sys/param.h> 85 86 #include <assert.h> 87 #include <ctype.h> 88 #include <fcntl.h> 89 #include <stdio.h> 90 #include <stdlib.h> 91 #include <string.h> 92 #include <unistd.h> 93 94 #ifdef BSD4_4 95 # include <sys/cdefs.h> 96 #endif 97 98 #ifndef FD_CLOEXEC 99 #define FD_CLOEXEC 1 100 #endif 101 102 #if defined(__GNUC__) 103 #define MAKE_GNUC_PREREQ(x, y) \ 104 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 105 (__GNUC__ > (x))) 106 #else /* defined(__GNUC__) */ 107 #define MAKE_GNUC_PREREQ(x, y) 0 108 #endif /* defined(__GNUC__) */ 109 110 #if MAKE_GNUC_PREREQ(2, 7) 111 #define MAKE_ATTR_UNUSED __attribute__((__unused__)) 112 #else 113 #define MAKE_ATTR_UNUSED /* delete */ 114 #endif 115 116 #if MAKE_GNUC_PREREQ(2, 5) 117 #define MAKE_ATTR_DEAD __attribute__((__noreturn__)) 118 #elif defined(__GNUC__) 119 #define MAKE_ATTR_DEAD __volatile 120 #else 121 #define MAKE_ATTR_DEAD /* delete */ 122 #endif 123 124 #if MAKE_GNUC_PREREQ(2, 7) 125 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) \ 126 __attribute__((__format__ (__printf__, fmtarg, firstvararg))) 127 #else 128 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) /* delete */ 129 #endif 130 131 /* 132 * A boolean type is defined as an integer, not an enum. This allows a 133 * boolean argument to be an expression that isn't strictly 0 or 1 valued. 134 */ 135 136 #ifdef USE_DOUBLE_BOOLEAN 137 /* During development, to find type mismatches in function declarations. */ 138 typedef double Boolean; 139 #elif defined(USE_UCHAR_BOOLEAN) 140 /* During development, to find code that depends on the exact value of TRUE or 141 * that stores other values in Boolean variables. */ 142 typedef unsigned char Boolean; 143 #define TRUE ((unsigned char)0xFF) 144 #define FALSE ((unsigned char)0x00) 145 #else 146 typedef int Boolean; 147 #endif 148 #ifndef TRUE 149 #define TRUE 1 150 #endif /* TRUE */ 151 #ifndef FALSE 152 #define FALSE 0 153 #endif /* FALSE */ 154 155 #include "lst.h" 156 #include "enum.h" 157 #include "hash.h" 158 #include "config.h" 159 #include "buf.h" 160 #include "make_malloc.h" 161 162 typedef enum { 163 UNMADE, /* Not examined yet */ 164 DEFERRED, /* Examined once (building child) */ 165 REQUESTED, /* on toBeMade list */ 166 BEINGMADE, /* Target is already being made. 167 * Indicates a cycle in the graph. */ 168 MADE, /* Was out-of-date and has been made */ 169 UPTODATE, /* Was already up-to-date */ 170 ERROR, /* An error occurred while it was being 171 * made (used only in compat mode) */ 172 ABORTED /* The target was aborted due to an error 173 * making an inferior (compat). */ 174 } GNodeMade; 175 176 /* The OP_ constants are used when parsing a dependency line as a way of 177 * communicating to other parts of the program the way in which a target 178 * should be made. 179 * 180 * These constants are bitwise-OR'ed together and placed in the 'type' field 181 * of each node. Any node that has a 'type' field which satisfies the OP_NOP 182 * function was never never on the left-hand side of an operator, though it 183 * may have been on the right-hand side... */ 184 typedef enum { 185 /* Execution of commands depends on children (:) */ 186 OP_DEPENDS = 1 << 0, 187 /* Always execute commands (!) */ 188 OP_FORCE = 1 << 1, 189 /* Execution of commands depends on children per line (::) */ 190 OP_DOUBLEDEP = 1 << 2, 191 192 OP_OPMASK = OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP, 193 194 /* Don't care if the target doesn't exist and can't be created */ 195 OP_OPTIONAL = 1 << 3, 196 /* Use associated commands for parents */ 197 OP_USE = 1 << 4, 198 /* Target is never out of date, but always execute commands anyway. 199 * Its time doesn't matter, so it has none...sort of */ 200 OP_EXEC = 1 << 5, 201 /* Ignore errors when creating the node */ 202 OP_IGNORE = 1 << 6, 203 /* Don't remove the target when interrupted */ 204 OP_PRECIOUS = 1 << 7, 205 /* Don't echo commands when executed */ 206 OP_SILENT = 1 << 8, 207 /* Target is a recursive make so its commands should always be executed 208 * when it is out of date, regardless of the state of the -n or -t flags */ 209 OP_MAKE = 1 << 9, 210 /* Target is out-of-date only if any of its children was out-of-date */ 211 OP_JOIN = 1 << 10, 212 /* Assume the children of the node have been already made */ 213 OP_MADE = 1 << 11, 214 /* Special .BEGIN, .END, .INTERRUPT */ 215 OP_SPECIAL = 1 << 12, 216 /* Like .USE, only prepend commands */ 217 OP_USEBEFORE = 1 << 13, 218 /* The node is invisible to its parents. I.e. it doesn't show up in the 219 * parents' local variables. */ 220 OP_INVISIBLE = 1 << 14, 221 /* The node is exempt from normal 'main target' processing in parse.c */ 222 OP_NOTMAIN = 1 << 15, 223 /* Not a file target; run always */ 224 OP_PHONY = 1 << 16, 225 /* Don't search for file in the path */ 226 OP_NOPATH = 1 << 17, 227 /* .WAIT phony node */ 228 OP_WAIT = 1 << 18, 229 /* .NOMETA do not create a .meta file */ 230 OP_NOMETA = 1 << 19, 231 /* .META we _do_ want a .meta file */ 232 OP_META = 1 << 20, 233 /* Do not compare commands in .meta file */ 234 OP_NOMETA_CMP = 1 << 21, 235 /* Possibly a submake node */ 236 OP_SUBMAKE = 1 << 22, 237 238 /* Attributes applied by PMake */ 239 240 /* The node is a transformation rule */ 241 OP_TRANSFORM = 1 << 31, 242 /* Target is a member of an archive */ 243 OP_MEMBER = 1 << 30, 244 /* Target is a library */ 245 OP_LIB = 1 << 29, 246 /* Target is an archive construct */ 247 OP_ARCHV = 1 << 28, 248 /* Target has all the commands it should. Used when parsing to catch 249 * multiple commands for a target. */ 250 OP_HAS_COMMANDS = 1 << 27, 251 /* Saving commands on .END (Compat) */ 252 OP_SAVE_CMDS = 1 << 26, 253 /* Already processed by Suff_FindDeps */ 254 OP_DEPS_FOUND = 1 << 25, 255 /* Node found while expanding .ALLSRC */ 256 OP_MARK = 1 << 24 257 } GNodeType; 258 259 typedef enum { 260 REMAKE = 0x0001, /* this target needs to be (re)made */ 261 CHILDMADE = 0x0002, /* children of this target were made */ 262 FORCE = 0x0004, /* children don't exist, and we pretend made */ 263 DONE_WAIT = 0x0008, /* Set by Make_ProcessWait() */ 264 DONE_ORDER = 0x0010, /* Build requested by .ORDER processing */ 265 FROM_DEPEND = 0x0020, /* Node created from .depend */ 266 DONE_ALLSRC = 0x0040, /* We do it once only */ 267 CYCLE = 0x1000, /* Used by MakePrintStatus */ 268 DONECYCLE = 0x2000, /* Used by MakePrintStatus */ 269 INTERNAL = 0x4000 /* Internal use only */ 270 } GNodeFlags; 271 272 /* A graph node represents a target that can possibly be made, including its 273 * relation to other targets and a lot of other details. */ 274 typedef struct GNode { 275 /* The target's name, such as "clean" or "make.c" */ 276 char *name; 277 /* The unexpanded name of a .USE node */ 278 char *uname; 279 /* The full pathname of the file belonging to the target. 280 * XXX: What about .PHONY targets? These don't have an associated path. */ 281 char *path; 282 283 /* The type of operator used to define the sources (see the OP flags below). 284 * XXX: This looks like a wild mixture of type and flags. */ 285 GNodeType type; 286 /* whether it is involved in this invocation of make */ 287 GNodeFlags flags; 288 289 /* The state of processing on this node */ 290 GNodeMade made; 291 int unmade; /* The number of unmade children */ 292 293 time_t mtime; /* Its modification time */ 294 struct GNode *cmgn; /* The youngest child */ 295 296 /* Links to parents for which this is an implied source. May be empty. 297 * Nodes that depend on this, as gleaned from the transformation rules. */ 298 Lst iParents; 299 300 /* Other nodes of the same name for the :: operator. */ 301 Lst cohorts; 302 303 /* The nodes that depend on this one, or in other words, the nodes for 304 * which this is a source. */ 305 Lst parents; 306 /* The nodes on which this one depends. */ 307 Lst children; 308 309 /* .ORDER nodes we need made. The nodes that must be made (if they're 310 * made) before this node can be made, but that do not enter into the 311 * datedness of this node. */ 312 Lst order_pred; 313 /* .ORDER nodes who need us. The nodes that must be made (if they're made 314 * at all) after this node is made, but that do not depend on this node, 315 * in the normal sense. */ 316 Lst order_succ; 317 318 /* #n for this cohort */ 319 char cohort_num[8]; 320 /* The number of unmade instances on the cohorts list */ 321 int unmade_cohorts; 322 /* Pointer to the first instance of a '::' node; only set when on a 323 * cohorts list */ 324 struct GNode *centurion; 325 326 /* Last time (sequence number) we tried to make this node */ 327 unsigned int checked; 328 329 /* The "local" variables that are specific to this target and this target 330 * only, such as $@, $<, $?. */ 331 Hash_Table context; 332 333 /* The commands to be given to a shell to create this target. */ 334 Lst commands; 335 336 /* Suffix for the node (determined by Suff_FindDeps and opaque to everyone 337 * but the Suff module) */ 338 struct Suff *suffix; 339 340 /* filename where the GNode got defined */ 341 const char *fname; 342 /* line number where the GNode got defined */ 343 int lineno; 344 } GNode; 345 346 #define NoExecute(gn) ((gn->type & OP_MAKE) ? noRecursiveExecute : noExecute) 347 /* 348 * OP_NOP will return TRUE if the node with the given type was not the 349 * object of a dependency operator 350 */ 351 #define OP_NOP(t) (((t) & OP_OPMASK) == 0x00000000) 352 353 #define OP_NOTARGET (OP_NOTMAIN|OP_USE|OP_EXEC|OP_TRANSFORM) 354 355 /* 356 * The TARG_ constants are used when calling the Targ_FindNode and 357 * Targ_FindList functions in targ.c. They simply tell the functions what to 358 * do if the desired node(s) is (are) not found. If the TARG_CREATE constant 359 * is given, a new, empty node will be created for the target, placed in the 360 * table of all targets and its address returned. If TARG_NOCREATE is given, 361 * a NULL pointer will be returned. 362 */ 363 #define TARG_NOCREATE 0x00 /* don't create it */ 364 #define TARG_CREATE 0x01 /* create node if not found */ 365 #define TARG_NOHASH 0x02 /* don't look in/add to hash table */ 366 367 /* 368 * Error levels for parsing. PARSE_FATAL means the process cannot continue 369 * once the makefile has been parsed. PARSE_WARNING means it can. Passed 370 * as the first argument to Parse_Error. 371 */ 372 #define PARSE_INFO 3 373 #define PARSE_WARNING 2 374 #define PARSE_FATAL 1 375 376 /* 377 * Values returned by Cond_Eval. 378 */ 379 typedef enum { 380 COND_PARSE, /* Parse the next lines */ 381 COND_SKIP, /* Skip the next lines */ 382 COND_INVALID /* Not a conditional statement */ 383 } CondEvalResult; 384 385 /* 386 * Definitions for the "local" variables. Used only for clarity. 387 */ 388 #define TARGET "@" /* Target of dependency */ 389 #define OODATE "?" /* All out-of-date sources */ 390 #define ALLSRC ">" /* All sources */ 391 #define IMPSRC "<" /* Source implied by transformation */ 392 #define PREFIX "*" /* Common prefix */ 393 #define ARCHIVE "!" /* Archive in "archive(member)" syntax */ 394 #define MEMBER "%" /* Member in "archive(member)" syntax */ 395 396 #define FTARGET "@F" /* file part of TARGET */ 397 #define DTARGET "@D" /* directory part of TARGET */ 398 #define FIMPSRC "<F" /* file part of IMPSRC */ 399 #define DIMPSRC "<D" /* directory part of IMPSRC */ 400 #define FPREFIX "*F" /* file part of PREFIX */ 401 #define DPREFIX "*D" /* directory part of PREFIX */ 402 403 /* 404 * Global Variables 405 */ 406 extern Lst create; /* The list of target names specified on the 407 * command line. used to resolve #if 408 * make(...) statements */ 409 extern Lst dirSearchPath; /* The list of directories to search when 410 * looking for targets */ 411 412 extern Boolean compatMake; /* True if we are make compatible */ 413 extern Boolean ignoreErrors; /* True if should ignore all errors */ 414 extern Boolean beSilent; /* True if should print no commands */ 415 extern Boolean noExecute; /* True if should execute nothing */ 416 extern Boolean noRecursiveExecute; /* True if should execute nothing */ 417 extern Boolean allPrecious; /* True if every target is precious */ 418 extern Boolean deleteOnError; /* True if failed targets should be deleted */ 419 extern Boolean keepgoing; /* True if should continue on unaffected 420 * portions of the graph when have an error 421 * in one portion */ 422 extern Boolean touchFlag; /* TRUE if targets should just be 'touched' 423 * if out of date. Set by the -t flag */ 424 extern Boolean queryFlag; /* TRUE if we aren't supposed to really make 425 * anything, just see if the targets are out- 426 * of-date */ 427 extern Boolean doing_depend; /* TRUE if processing .depend */ 428 429 extern Boolean checkEnvFirst; /* TRUE if environment should be searched for 430 * variables before the global context */ 431 432 extern Boolean parseWarnFatal; /* TRUE if makefile parsing warnings are 433 * treated as errors */ 434 435 extern Boolean varNoExportEnv; /* TRUE if we should not export variables 436 * set on the command line to the env. */ 437 438 extern GNode *DEFAULT; /* .DEFAULT rule */ 439 440 extern GNode *VAR_INTERNAL; /* Variables defined internally by make 441 * which should not override those set by 442 * makefiles. 443 */ 444 extern GNode *VAR_GLOBAL; /* Variables defined in a global context, e.g 445 * in the Makefile itself */ 446 extern GNode *VAR_CMD; /* Variables defined on the command line */ 447 extern char var_Error[]; /* Value returned by Var_Parse when an error 448 * is encountered. It actually points to 449 * an empty string, so naive callers needn't 450 * worry about it. */ 451 452 extern time_t now; /* The time at the start of this whole 453 * process */ 454 455 extern Boolean oldVars; /* Do old-style variable substitution */ 456 457 extern Lst sysIncPath; /* The system include path. */ 458 extern Lst defIncPath; /* The default include path. */ 459 460 extern char curdir[]; /* Startup directory */ 461 extern char *progname; /* The program name */ 462 extern char *makeDependfile; /* .depend */ 463 extern char **savedEnv; /* if we replaced environ this will be non-NULL */ 464 465 extern int makelevel; 466 467 /* 468 * We cannot vfork() in a child of vfork(). 469 * Most systems do not enforce this but some do. 470 */ 471 #define vFork() ((getpid() == myPid) ? vfork() : fork()) 472 extern pid_t myPid; 473 474 #define MAKEFLAGS ".MAKEFLAGS" 475 #define MAKEOVERRIDES ".MAKEOVERRIDES" 476 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix for job target output */ 477 #define MAKE_EXPORTED ".MAKE.EXPORTED" /* variables we export */ 478 #define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all the makefiles we read */ 479 #define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ 480 #define MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" 481 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ 482 #define MAKE_MODE ".MAKE.MODE" 483 #ifndef MAKE_LEVEL_ENV 484 # define MAKE_LEVEL_ENV "MAKELEVEL" 485 #endif 486 487 /* 488 * debug control: 489 * There is one bit per module. It is up to the module what debug 490 * information to print. 491 */ 492 extern FILE *debug_file; /* Output is written here - default stderr */ 493 extern int debug; 494 #define DEBUG_ARCH 0x00001 495 #define DEBUG_COND 0x00002 496 #define DEBUG_DIR 0x00004 497 #define DEBUG_GRAPH1 0x00008 498 #define DEBUG_GRAPH2 0x00010 499 #define DEBUG_JOB 0x00020 500 #define DEBUG_MAKE 0x00040 501 #define DEBUG_SUFF 0x00080 502 #define DEBUG_TARG 0x00100 503 #define DEBUG_VAR 0x00200 504 #define DEBUG_FOR 0x00400 505 #define DEBUG_SHELL 0x00800 506 #define DEBUG_ERROR 0x01000 507 #define DEBUG_LOUD 0x02000 508 #define DEBUG_META 0x04000 509 #define DEBUG_HASH 0x08000 510 511 #define DEBUG_GRAPH3 0x10000 512 #define DEBUG_SCRIPT 0x20000 513 #define DEBUG_PARSE 0x40000 514 #define DEBUG_CWD 0x80000 515 516 #define DEBUG_LINT 0x100000 517 518 #define CONCAT(a,b) a##b 519 520 #define DEBUG(module) (debug & CONCAT(DEBUG_,module)) 521 522 #include "nonints.h" 523 524 int Make_TimeStamp(GNode *, GNode *); 525 Boolean Make_OODate(GNode *); 526 void Make_ExpandUse(Lst); 527 time_t Make_Recheck(GNode *); 528 void Make_HandleUse(GNode *, GNode *); 529 void Make_Update(GNode *); 530 void Make_DoAllVar(GNode *); 531 Boolean Make_Run(Lst); 532 int dieQuietly(GNode *, int); 533 void PrintOnError(GNode *, const char *); 534 void Main_ExportMAKEFLAGS(Boolean); 535 Boolean Main_SetObjdir(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 536 int mkTempFile(const char *, char **); 537 int str2Lst_Append(Lst, char *, const char *); 538 int cached_lstat(const char *, void *); 539 int cached_stat(const char *, void *); 540 void GNode_FprintDetails(FILE *, const char *, const GNode *, const char *); 541 542 #ifdef __GNUC__ 543 #define UNCONST(ptr) ({ \ 544 union __unconst { \ 545 const void *__cp; \ 546 void *__p; \ 547 } __d; \ 548 __d.__cp = ptr, __d.__p; }) 549 #else 550 #define UNCONST(ptr) (void *)(ptr) 551 #endif 552 553 #ifndef MIN 554 #define MIN(a, b) ((a < b) ? a : b) 555 #endif 556 #ifndef MAX 557 #define MAX(a, b) ((a > b) ? a : b) 558 #endif 559 560 /* At least GNU/Hurd systems lack hardcoded MAXPATHLEN/PATH_MAX */ 561 #include <limits.h> 562 #ifndef MAXPATHLEN 563 #define MAXPATHLEN 4096 564 #endif 565 #ifndef PATH_MAX 566 #define PATH_MAX MAXPATHLEN 567 #endif 568 569 #if defined(SYSV) 570 #define KILLPG(pid, sig) kill(-(pid), (sig)) 571 #else 572 #define KILLPG(pid, sig) killpg((pid), (sig)) 573 #endif 574 575 #endif /* MAKE_MAKE_H */ 576
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