make.h revision 1.264
1 /* $NetBSD: make.h,v 1.264 2021/07/31 09:30:17 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 #include <sys/stat.h> 86 87 #include <assert.h> 88 #include <ctype.h> 89 #include <fcntl.h> 90 #include <stdarg.h> 91 #include <stdio.h> 92 #include <stdlib.h> 93 #include <string.h> 94 #include <unistd.h> 95 96 #ifdef BSD4_4 97 # include <sys/cdefs.h> 98 #endif 99 100 #ifndef FD_CLOEXEC 101 #define FD_CLOEXEC 1 102 #endif 103 104 #if defined(__GNUC__) 105 #define MAKE_GNUC_PREREQ(x, y) \ 106 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 107 (__GNUC__ > (x))) 108 #else /* defined(__GNUC__) */ 109 #define MAKE_GNUC_PREREQ(x, y) 0 110 #endif /* defined(__GNUC__) */ 111 112 #if MAKE_GNUC_PREREQ(2, 7) 113 #define MAKE_ATTR_UNUSED __attribute__((__unused__)) 114 #else 115 #define MAKE_ATTR_UNUSED /* delete */ 116 #endif 117 118 #if MAKE_GNUC_PREREQ(2, 5) 119 #define MAKE_ATTR_DEAD __attribute__((__noreturn__)) 120 #elif defined(__GNUC__) 121 #define MAKE_ATTR_DEAD __volatile 122 #else 123 #define MAKE_ATTR_DEAD /* delete */ 124 #endif 125 126 #if MAKE_GNUC_PREREQ(2, 7) 127 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) \ 128 __attribute__((__format__ (__printf__, fmtarg, firstvararg))) 129 #else 130 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) /* delete */ 131 #endif 132 133 #define MAKE_INLINE static inline MAKE_ATTR_UNUSED 134 135 /* MAKE_STATIC marks a function that may or may not be inlined. */ 136 #if defined(lint) 137 /* As of 2021-07-31, NetBSD lint ignores __attribute__((unused)). */ 138 #define MAKE_STATIC MAKE_INLINE 139 #else 140 #define MAKE_STATIC static MAKE_ATTR_UNUSED 141 #endif 142 143 #if __STDC_VERSION__ >= 199901L || defined(lint) || defined(USE_C99_BOOLEAN) 144 #include <stdbool.h> 145 #else 146 #ifndef bool 147 typedef unsigned int Boolean; 148 #define bool Boolean 149 #endif 150 #ifndef true 151 #define true 1 152 #endif 153 #ifndef false 154 #define false 0 155 #endif 156 #endif 157 158 #include "lst.h" 159 #include "enum.h" 160 #include "make_malloc.h" 161 #include "str.h" 162 #include "hash.h" 163 #include "config.h" 164 #include "buf.h" 165 166 /* 167 * The typical flow of states is: 168 * 169 * The direct successful path: 170 * UNMADE -> BEINGMADE -> MADE. 171 * 172 * The direct error path: 173 * UNMADE -> BEINGMADE -> ERROR. 174 * 175 * The successful path when dependencies need to be made first: 176 * UNMADE -> DEFERRED -> REQUESTED -> BEINGMADE -> MADE. 177 * 178 * A node that has dependencies, and one of the dependencies cannot be made: 179 * UNMADE -> DEFERRED -> ABORTED. 180 * 181 * A node that turns out to be up-to-date: 182 * UNMADE -> BEINGMADE -> UPTODATE. 183 */ 184 typedef enum GNodeMade { 185 /* Not examined yet. */ 186 UNMADE, 187 /* The node has been examined but is not yet ready since its 188 * dependencies have to be made first. */ 189 DEFERRED, 190 191 /* The node is on the toBeMade list. */ 192 REQUESTED, 193 194 /* The node is already being made. Trying to build a node in this 195 * state indicates a cycle in the graph. */ 196 BEINGMADE, 197 198 /* Was out-of-date and has been made. */ 199 MADE, 200 /* Was already up-to-date, does not need to be made. */ 201 UPTODATE, 202 /* An error occurred while it was being made. 203 * Used only in compat mode. */ 204 ERROR, 205 /* The target was aborted due to an error making a dependency. 206 * Used only in compat mode. */ 207 ABORTED 208 } GNodeMade; 209 210 /* 211 * The OP_ constants are used when parsing a dependency line as a way of 212 * communicating to other parts of the program the way in which a target 213 * should be made. 214 * 215 * Some of the OP_ constants can be combined, others cannot. 216 * 217 * See the tests depsrc-*.mk and deptgt-*.mk. 218 */ 219 typedef enum GNodeType { 220 OP_NONE = 0, 221 222 /* The dependency operator ':' is the most common one. The commands 223 * of this node are executed if any child is out-of-date. */ 224 OP_DEPENDS = 1 << 0, 225 /* The dependency operator '!' always executes its commands, even if 226 * its children are up-to-date. */ 227 OP_FORCE = 1 << 1, 228 /* The dependency operator '::' behaves like ':', except that it 229 * allows multiple dependency groups to be defined. Each of these 230 * groups is executed on its own, independently from the others. 231 * Each individual dependency group is called a cohort. */ 232 OP_DOUBLEDEP = 1 << 2, 233 234 /* Matches the dependency operators ':', '!' and '::'. */ 235 OP_OPMASK = OP_DEPENDS | OP_FORCE | OP_DOUBLEDEP, 236 237 /* Don't care if the target doesn't exist and can't be created. */ 238 OP_OPTIONAL = 1 << 3, 239 /* Use associated commands for parents. */ 240 OP_USE = 1 << 4, 241 /* Target is never out of date, but always execute commands anyway. 242 * Its time doesn't matter, so it has none...sort of. */ 243 OP_EXEC = 1 << 5, 244 /* Ignore non-zero exit status from shell commands when creating the 245 * node. */ 246 OP_IGNORE = 1 << 6, 247 /* Don't remove the target when interrupted. */ 248 OP_PRECIOUS = 1 << 7, 249 /* Don't echo commands when executed. */ 250 OP_SILENT = 1 << 8, 251 /* Target is a recursive make so its commands should always be 252 * executed when it is out of date, regardless of the state of the 253 * -n or -t flags. */ 254 OP_MAKE = 1 << 9, 255 /* Target is out-of-date only if any of its children was out-of-date. */ 256 OP_JOIN = 1 << 10, 257 /* Assume the children of the node have been already made. */ 258 OP_MADE = 1 << 11, 259 /* Special .BEGIN, .END or .INTERRUPT. */ 260 OP_SPECIAL = 1 << 12, 261 /* Like .USE, only prepend commands. */ 262 OP_USEBEFORE = 1 << 13, 263 /* The node is invisible to its parents. I.e. it doesn't show up in 264 * the parents' local variables (.IMPSRC, .ALLSRC). */ 265 OP_INVISIBLE = 1 << 14, 266 /* The node does not become the main target, even if it is the first 267 * target in the first makefile. */ 268 OP_NOTMAIN = 1 << 15, 269 /* Not a file target; run always. */ 270 OP_PHONY = 1 << 16, 271 /* Don't search for the file in the path. */ 272 OP_NOPATH = 1 << 17, 273 /* In a dependency line "target: source1 .WAIT source2", source1 is 274 * made first, including its children. Once that is finished, 275 * source2 is made, including its children. The .WAIT keyword may 276 * appear more than once in a single dependency declaration. */ 277 OP_WAIT = 1 << 18, 278 /* .NOMETA do not create a .meta file */ 279 OP_NOMETA = 1 << 19, 280 /* .META we _do_ want a .meta file */ 281 OP_META = 1 << 20, 282 /* Do not compare commands in .meta file */ 283 OP_NOMETA_CMP = 1 << 21, 284 /* Possibly a submake node */ 285 OP_SUBMAKE = 1 << 22, 286 287 /* Attributes applied by PMake */ 288 289 /* The node is a transformation rule, such as ".c.o". */ 290 OP_TRANSFORM = 1 << 30, 291 /* Target is a member of an archive */ 292 /* XXX: How does this differ from OP_ARCHV? */ 293 OP_MEMBER = 1 << 29, 294 /* The node is a library, 295 * its name has the form "-l<libname>" */ 296 OP_LIB = 1 << 28, 297 /* The node is an archive member, 298 * its name has the form "archive(member)" */ 299 /* XXX: How does this differ from OP_MEMBER? */ 300 OP_ARCHV = 1 << 27, 301 /* Target has all the commands it should. Used when parsing to catch 302 * multiple command groups for a target. Only applies to the 303 * dependency operators ':' and '!', but not to '::'. */ 304 OP_HAS_COMMANDS = 1 << 26, 305 /* The special command "..." has been seen. All further commands from 306 * this node will be saved on the .END node instead, to be executed at 307 * the very end. */ 308 OP_SAVE_CMDS = 1 << 25, 309 /* Already processed by Suff_FindDeps, to find dependencies from 310 * suffix transformation rules. */ 311 OP_DEPS_FOUND = 1 << 24, 312 /* Node found while expanding .ALLSRC */ 313 OP_MARK = 1 << 23, 314 315 OP_NOTARGET = OP_NOTMAIN | OP_USE | OP_EXEC | OP_TRANSFORM 316 } GNodeType; 317 318 typedef enum GNodeFlags { 319 GNF_NONE = 0, 320 /* this target needs to be (re)made */ 321 REMAKE = 1 << 0, 322 /* children of this target were made */ 323 CHILDMADE = 1 << 1, 324 /* children don't exist, and we pretend made */ 325 FORCE = 1 << 2, 326 /* Set by Make_ProcessWait() */ 327 DONE_WAIT = 1 << 3, 328 /* Build requested by .ORDER processing */ 329 DONE_ORDER = 1 << 4, 330 /* Node created from .depend */ 331 FROM_DEPEND = 1 << 5, 332 /* We do it once only */ 333 DONE_ALLSRC = 1 << 6, 334 /* Used by MakePrintStatus */ 335 CYCLE = 1 << 12, 336 /* Used by MakePrintStatus */ 337 DONECYCLE = 1 << 13 338 } GNodeFlags; 339 340 typedef struct List StringList; 341 typedef struct ListNode StringListNode; 342 343 typedef struct List GNodeList; 344 typedef struct ListNode GNodeListNode; 345 346 typedef struct SearchPath { 347 List /* of CachedDir */ dirs; 348 } SearchPath; 349 350 /* 351 * A graph node represents a target that can possibly be made, including its 352 * relation to other targets and a lot of other details. 353 */ 354 typedef struct GNode { 355 /* The target's name, such as "clean" or "make.c" */ 356 char *name; 357 /* The unexpanded name of a .USE node */ 358 char *uname; 359 /* The full pathname of the file belonging to the target. 360 * XXX: What about .PHONY targets? These don't have an associated 361 * path. */ 362 char *path; 363 364 /* The type of operator used to define the sources (see the OP flags 365 * below). 366 * XXX: This looks like a wild mixture of type and flags. */ 367 GNodeType type; 368 GNodeFlags flags; 369 370 /* The state of processing on this node */ 371 GNodeMade made; 372 /* The number of unmade children */ 373 int unmade; 374 375 /* The modification time; 0 means the node does not have a 376 * corresponding file; see GNode_IsOODate. */ 377 time_t mtime; 378 struct GNode *youngestChild; 379 380 /* The GNodes for which this node is an implied source. May be empty. 381 * For example, when there is an inference rule for .c.o, the node for 382 * file.c has the node for file.o in this list. */ 383 GNodeList implicitParents; 384 385 /* The nodes that depend on this one, or in other words, the nodes for 386 * which this is a source. */ 387 GNodeList parents; 388 /* The nodes on which this one depends. */ 389 GNodeList children; 390 391 /* .ORDER nodes we need made. The nodes that must be made (if they're 392 * made) before this node can be made, but that do not enter into the 393 * datedness of this node. */ 394 GNodeList order_pred; 395 /* .ORDER nodes who need us. The nodes that must be made (if they're 396 * made at all) after this node is made, but that do not depend on 397 * this node, in the normal sense. */ 398 GNodeList order_succ; 399 400 /* 401 * Other nodes of the same name, for targets that were defined using 402 * the '::' dependency operator (OP_DOUBLEDEP). 403 */ 404 GNodeList cohorts; 405 /* The "#n" suffix for this cohort, or "" for other nodes */ 406 char cohort_num[8]; 407 /* The number of unmade instances on the cohorts list */ 408 int unmade_cohorts; 409 /* Pointer to the first instance of a '::' node; only set when on a 410 * cohorts list */ 411 struct GNode *centurion; 412 413 /* Last time (sequence number) we tried to make this node */ 414 unsigned int checked_seqno; 415 416 /* 417 * The "local" variables that are specific to this target and this 418 * target only, such as $@, $<, $?. 419 * 420 * Also used for the global variable scopes SCOPE_GLOBAL, 421 * SCOPE_CMDLINE, SCOPE_INTERNAL, which contain variables with 422 * arbitrary names. 423 */ 424 HashTable /* of Var pointer */ vars; 425 426 /* The commands to be given to a shell to create this target. */ 427 StringList commands; 428 429 /* Suffix for the node (determined by Suff_FindDeps and opaque to 430 * everyone but the Suff module) */ 431 struct Suffix *suffix; 432 433 /* Filename where the GNode got defined */ 434 /* XXX: What is the lifetime of this string? */ 435 const char *fname; 436 /* Line number where the GNode got defined */ 437 int lineno; 438 } GNode; 439 440 /* Error levels for diagnostics during parsing. */ 441 typedef enum ParseErrorLevel { 442 /* Exit when the current top-level makefile has been parsed 443 * completely. */ 444 PARSE_FATAL = 1, 445 /* Print "warning"; may be upgraded to fatal by the -w option. */ 446 PARSE_WARNING, 447 /* Informational, mainly used during development of makefiles. */ 448 PARSE_INFO 449 } ParseErrorLevel; 450 451 /* 452 * Values returned by Cond_EvalLine and Cond_EvalCondition. 453 */ 454 typedef enum CondEvalResult { 455 COND_PARSE, /* Parse the next lines */ 456 COND_SKIP, /* Skip the next lines */ 457 COND_INVALID /* Not a conditional statement */ 458 } CondEvalResult; 459 460 /* Names of the variables that are "local" to a specific target. */ 461 #define TARGET "@" /* Target of dependency */ 462 #define OODATE "?" /* All out-of-date sources */ 463 #define ALLSRC ">" /* All sources */ 464 #define IMPSRC "<" /* Source implied by transformation */ 465 #define PREFIX "*" /* Common prefix */ 466 #define ARCHIVE "!" /* Archive in "archive(member)" syntax */ 467 #define MEMBER "%" /* Member in "archive(member)" syntax */ 468 469 /* 470 * Global Variables 471 */ 472 473 /* True if every target is precious */ 474 extern bool allPrecious; 475 /* True if failed targets should be deleted */ 476 extern bool deleteOnError; 477 /* true while processing .depend */ 478 extern bool doing_depend; 479 /* .DEFAULT rule */ 480 extern GNode *defaultNode; 481 482 /* 483 * Variables defined internally by make which should not override those set 484 * by makefiles. 485 */ 486 extern GNode *SCOPE_INTERNAL; 487 /* Variables defined in a global scope, e.g in the makefile itself. */ 488 extern GNode *SCOPE_GLOBAL; 489 /* Variables defined on the command line. */ 490 extern GNode *SCOPE_CMDLINE; 491 492 /* 493 * Value returned by Var_Parse when an error is encountered. It actually 494 * points to an empty string, so naive callers needn't worry about it. 495 */ 496 extern char var_Error[]; 497 498 /* The time at the start of this whole process */ 499 extern time_t now; 500 501 /* 502 * The list of directories to search when looking for targets (set by the 503 * special target .PATH). 504 */ 505 extern SearchPath dirSearchPath; 506 /* Used for .include "...". */ 507 extern SearchPath *parseIncPath; 508 /* 509 * Used for .include <...>, for the built-in sys.mk and for makefiles from 510 * the command line arguments. 511 */ 512 extern SearchPath *sysIncPath; 513 /* The default for sysIncPath. */ 514 extern SearchPath *defSysIncPath; 515 516 /* Startup directory */ 517 extern char curdir[]; 518 /* The basename of the program name, suffixed with [n] for sub-makes. */ 519 extern const char *progname; 520 extern int makelevel; 521 /* Name of the .depend makefile */ 522 extern char *makeDependfile; 523 /* If we replaced environ, this will be non-NULL. */ 524 extern char **savedEnv; 525 526 extern pid_t myPid; 527 528 #define MAKEFLAGS ".MAKEFLAGS" 529 #define MAKEOVERRIDES ".MAKEOVERRIDES" 530 /* prefix when printing the target of a job */ 531 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" 532 #define MAKE_EXPORTED ".MAKE.EXPORTED" /* exported variables */ 533 #define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all loaded makefiles */ 534 #define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ 535 #define MAKE_MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" 536 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ 537 #define MAKE_MODE ".MAKE.MODE" 538 #ifndef MAKE_LEVEL_ENV 539 # define MAKE_LEVEL_ENV "MAKELEVEL" 540 #endif 541 542 typedef enum DebugFlags { 543 DEBUG_NONE = 0, 544 DEBUG_ARCH = 1 << 0, 545 DEBUG_COND = 1 << 1, 546 DEBUG_CWD = 1 << 2, 547 DEBUG_DIR = 1 << 3, 548 DEBUG_ERROR = 1 << 4, 549 DEBUG_FOR = 1 << 5, 550 DEBUG_GRAPH1 = 1 << 6, 551 DEBUG_GRAPH2 = 1 << 7, 552 DEBUG_GRAPH3 = 1 << 8, 553 DEBUG_HASH = 1 << 9, 554 DEBUG_JOB = 1 << 10, 555 DEBUG_LOUD = 1 << 11, 556 DEBUG_MAKE = 1 << 12, 557 DEBUG_META = 1 << 13, 558 DEBUG_PARSE = 1 << 14, 559 DEBUG_SCRIPT = 1 << 15, 560 DEBUG_SHELL = 1 << 16, 561 DEBUG_SUFF = 1 << 17, 562 DEBUG_TARG = 1 << 18, 563 DEBUG_VAR = 1 << 19, 564 DEBUG_ALL = (1 << 20) - 1 565 } DebugFlags; 566 567 #define CONCAT(a, b) a##b 568 569 #define DEBUG(module) ((opts.debug & CONCAT(DEBUG_, module)) != 0) 570 571 void debug_printf(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 572 573 #define DEBUG_IMPL(module, args) \ 574 do { \ 575 if (DEBUG(module)) \ 576 debug_printf args; \ 577 } while (/*CONSTCOND*/false) 578 579 #define DEBUG0(module, text) \ 580 DEBUG_IMPL(module, ("%s", text)) 581 #define DEBUG1(module, fmt, arg1) \ 582 DEBUG_IMPL(module, (fmt, arg1)) 583 #define DEBUG2(module, fmt, arg1, arg2) \ 584 DEBUG_IMPL(module, (fmt, arg1, arg2)) 585 #define DEBUG3(module, fmt, arg1, arg2, arg3) \ 586 DEBUG_IMPL(module, (fmt, arg1, arg2, arg3)) 587 #define DEBUG4(module, fmt, arg1, arg2, arg3, arg4) \ 588 DEBUG_IMPL(module, (fmt, arg1, arg2, arg3, arg4)) 589 #define DEBUG5(module, fmt, arg1, arg2, arg3, arg4, arg5) \ 590 DEBUG_IMPL(module, (fmt, arg1, arg2, arg3, arg4, arg5)) 591 592 typedef enum PrintVarsMode { 593 PVM_NONE, 594 PVM_UNEXPANDED, 595 PVM_EXPANDED 596 } PrintVarsMode; 597 598 /* Command line options */ 599 typedef struct CmdOpts { 600 /* -B: whether we are make compatible */ 601 bool compatMake; 602 603 /* -d: debug control: There is one bit per module. It is up to the 604 * module what debug information to print. */ 605 DebugFlags debug; 606 607 /* -df: debug output is written here - default stderr */ 608 FILE *debug_file; 609 610 /* -dL: lint mode 611 * 612 * Runs make in strict mode, with additional checks and better error 613 * handling. */ 614 bool strict; 615 616 /* -dV: for the -V option, print unexpanded variable values */ 617 bool debugVflag; 618 619 /* -e: check environment variables before global variables */ 620 bool checkEnvFirst; 621 622 /* -f: the makefiles to read */ 623 StringList makefiles; 624 625 /* -i: if true, ignore all errors from shell commands */ 626 bool ignoreErrors; 627 628 /* -j: the maximum number of jobs that can run in parallel; 629 * this is coordinated with the submakes */ 630 int maxJobs; 631 632 /* -k: if true and an error occurs while making a node, continue 633 * making nodes that do not depend on the erroneous node */ 634 bool keepgoing; 635 636 /* -N: execute no commands from the targets */ 637 bool noRecursiveExecute; 638 639 /* -n: execute almost no commands from the targets */ 640 bool noExecute; 641 642 /* 643 * -q: if true, do not really make anything, just see if the targets 644 * are out-of-date 645 */ 646 bool queryFlag; 647 648 /* -r: raw mode, do not load the builtin rules. */ 649 bool noBuiltins; 650 651 /* -s: don't echo the shell commands before executing them */ 652 bool beSilent; 653 654 /* -t: touch the targets if they are out-of-date, but don't actually 655 * make them */ 656 bool touchFlag; 657 658 /* -[Vv]: print expanded or unexpanded selected variables */ 659 PrintVarsMode printVars; 660 /* -[Vv]: the variables to print */ 661 StringList variables; 662 663 /* -W: if true, makefile parsing warnings are treated as errors */ 664 bool parseWarnFatal; 665 666 /* -w: print 'Entering' and 'Leaving' for submakes */ 667 bool enterFlag; 668 669 /* -X: if true, do not export variables set on the command line to the 670 * environment. */ 671 bool varNoExportEnv; 672 673 /* The target names specified on the command line. 674 * Used to resolve .if make(...) statements. */ 675 StringList create; 676 677 } CmdOpts; 678 679 extern CmdOpts opts; 680 681 #include "nonints.h" 682 683 void GNode_UpdateYoungestChild(GNode *, GNode *); 684 bool GNode_IsOODate(GNode *); 685 void Make_ExpandUse(GNodeList *); 686 time_t Make_Recheck(GNode *); 687 void Make_HandleUse(GNode *, GNode *); 688 void Make_Update(GNode *); 689 void GNode_SetLocalVars(GNode *); 690 bool Make_Run(GNodeList *); 691 bool shouldDieQuietly(GNode *, int); 692 void PrintOnError(GNode *, const char *); 693 void Main_ExportMAKEFLAGS(bool); 694 bool Main_SetObjdir(bool, const char *, ...) MAKE_ATTR_PRINTFLIKE(2, 3); 695 int mkTempFile(const char *, char *, size_t); 696 int str2Lst_Append(StringList *, char *); 697 void GNode_FprintDetails(FILE *, const char *, const GNode *, const char *); 698 bool GNode_ShouldExecute(GNode *gn); 699 700 /* See if the node was seen on the left-hand side of a dependency operator. */ 701 MAKE_INLINE bool 702 GNode_IsTarget(const GNode *gn) 703 { 704 return (gn->type & OP_OPMASK) != 0; 705 } 706 707 MAKE_INLINE const char * 708 GNode_Path(const GNode *gn) 709 { 710 return gn->path != NULL ? gn->path : gn->name; 711 } 712 713 MAKE_INLINE bool 714 GNode_IsWaitingFor(const GNode *gn) 715 { 716 return (gn->flags & REMAKE) && gn->made <= REQUESTED; 717 } 718 719 MAKE_INLINE bool 720 GNode_IsReady(const GNode *gn) 721 { 722 return gn->made > DEFERRED; 723 } 724 725 MAKE_INLINE bool 726 GNode_IsDone(const GNode *gn) 727 { 728 return gn->made >= MADE; 729 } 730 731 MAKE_INLINE bool 732 GNode_IsError(const GNode *gn) 733 { 734 return gn->made == ERROR || gn->made == ABORTED; 735 } 736 737 MAKE_INLINE const char * 738 GNode_VarTarget(GNode *gn) { return GNode_ValueDirect(gn, TARGET); } 739 MAKE_INLINE const char * 740 GNode_VarOodate(GNode *gn) { return GNode_ValueDirect(gn, OODATE); } 741 MAKE_INLINE const char * 742 GNode_VarAllsrc(GNode *gn) { return GNode_ValueDirect(gn, ALLSRC); } 743 MAKE_INLINE const char * 744 GNode_VarImpsrc(GNode *gn) { return GNode_ValueDirect(gn, IMPSRC); } 745 MAKE_INLINE const char * 746 GNode_VarPrefix(GNode *gn) { return GNode_ValueDirect(gn, PREFIX); } 747 MAKE_INLINE const char * 748 GNode_VarArchive(GNode *gn) { return GNode_ValueDirect(gn, ARCHIVE); } 749 MAKE_INLINE const char * 750 GNode_VarMember(GNode *gn) { return GNode_ValueDirect(gn, MEMBER); } 751 752 MAKE_INLINE void * 753 UNCONST(const void *ptr) 754 { 755 void *ret; 756 memcpy(&ret, &ptr, sizeof(ret)); 757 return ret; 758 } 759 760 /* At least GNU/Hurd systems lack hardcoded MAXPATHLEN/PATH_MAX */ 761 #include <limits.h> 762 #ifndef MAXPATHLEN 763 #define MAXPATHLEN 4096 764 #endif 765 #ifndef PATH_MAX 766 #define PATH_MAX MAXPATHLEN 767 #endif 768 769 #if defined(SYSV) 770 #define KILLPG(pid, sig) kill(-(pid), (sig)) 771 #else 772 #define KILLPG(pid, sig) killpg((pid), (sig)) 773 #endif 774 775 MAKE_INLINE bool 776 ch_isalnum(char ch) { return isalnum((unsigned char)ch) != 0; } 777 MAKE_INLINE bool 778 ch_isalpha(char ch) { return isalpha((unsigned char)ch) != 0; } 779 MAKE_INLINE bool 780 ch_isdigit(char ch) { return isdigit((unsigned char)ch) != 0; } 781 MAKE_INLINE bool 782 ch_isspace(char ch) { return isspace((unsigned char)ch) != 0; } 783 MAKE_INLINE bool 784 ch_isupper(char ch) { return isupper((unsigned char)ch) != 0; } 785 MAKE_INLINE char 786 ch_tolower(char ch) { return (char)tolower((unsigned char)ch); } 787 MAKE_INLINE char 788 ch_toupper(char ch) { return (char)toupper((unsigned char)ch); } 789 790 MAKE_INLINE void 791 cpp_skip_whitespace(const char **pp) 792 { 793 while (ch_isspace(**pp)) 794 (*pp)++; 795 } 796 797 MAKE_INLINE void 798 cpp_skip_hspace(const char **pp) 799 { 800 while (**pp == ' ' || **pp == '\t') 801 (*pp)++; 802 } 803 804 MAKE_INLINE void 805 pp_skip_whitespace(char **pp) 806 { 807 while (ch_isspace(**pp)) 808 (*pp)++; 809 } 810 811 MAKE_INLINE void 812 pp_skip_hspace(char **pp) 813 { 814 while (**pp == ' ' || **pp == '\t') 815 (*pp)++; 816 } 817 818 #if defined(lint) 819 # define MAKE_RCSID(id) extern void do_not_define_rcsid(void) 820 #elif defined(MAKE_NATIVE) 821 # include <sys/cdefs.h> 822 # define MAKE_RCSID(id) __RCSID(id) 823 #elif defined(MAKE_ALL_IN_ONE) && defined(__COUNTER__) 824 # define MAKE_RCSID_CONCAT(x, y) CONCAT(x, y) 825 # define MAKE_RCSID(id) static volatile char \ 826 MAKE_RCSID_CONCAT(rcsid_, __COUNTER__)[] = id 827 #elif defined(MAKE_ALL_IN_ONE) 828 # define MAKE_RCSID(id) extern void do_not_define_rcsid(void) 829 #else 830 # define MAKE_RCSID(id) static volatile char rcsid[] = id 831 #endif 832 833 #endif /* MAKE_MAKE_H */ 834
Indexes created Fri Sep 26 20:09:58 GMT 2025