make.h revision 1.205
1 /* $NetBSD: make.h,v 1.205 2020/11/10 00:32:12 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 /* 136 * A boolean type is defined as an integer, not an enum, for historic reasons. 137 * The only allowed values are the constants TRUE and FALSE (1 and 0). 138 */ 139 140 #ifdef USE_DOUBLE_BOOLEAN 141 /* During development, to find type mismatches in function declarations. */ 142 typedef double Boolean; 143 #define TRUE 1.0 144 #define FALSE 0.0 145 #elif defined(USE_UCHAR_BOOLEAN) 146 /* During development, to find code that depends on the exact value of TRUE or 147 * that stores other values in Boolean variables. */ 148 typedef unsigned char Boolean; 149 #define TRUE ((unsigned char)0xFF) 150 #define FALSE ((unsigned char)0x00) 151 #elif defined(USE_CHAR_BOOLEAN) 152 /* During development, to find code that uses a boolean as array index, via 153 * -Wchar-subscripts. */ 154 typedef char Boolean; 155 #define TRUE ((char)-1) 156 #define FALSE ((char)0x00) 157 #elif defined(USE_ENUM_BOOLEAN) 158 typedef enum Boolean { FALSE, TRUE } Boolean; 159 #else 160 typedef int Boolean; 161 #ifndef TRUE 162 #define TRUE 1 163 #endif 164 #ifndef FALSE 165 #define FALSE 0 166 #endif 167 #endif 168 169 #include "lst.h" 170 #include "enum.h" 171 #include "hash.h" 172 #include "config.h" 173 #include "buf.h" 174 #include "make_malloc.h" 175 176 typedef enum GNodeMade { 177 UNMADE, /* Not examined yet */ 178 DEFERRED, /* Examined once (building child) */ 179 REQUESTED, /* on toBeMade list */ 180 BEINGMADE, /* Target is already being made. 181 * Indicates a cycle in the graph. */ 182 MADE, /* Was out-of-date and has been made */ 183 UPTODATE, /* Was already up-to-date */ 184 ERROR, /* An error occurred while it was being 185 * made (used only in compat mode) */ 186 ABORTED /* The target was aborted due to an error 187 * making an inferior (compat). */ 188 } GNodeMade; 189 190 /* The OP_ constants are used when parsing a dependency line as a way of 191 * communicating to other parts of the program the way in which a target 192 * should be made. 193 * 194 * Some of the OP_ constants can be combined, others cannot. */ 195 typedef enum GNodeType { 196 /* The dependency operator ':' is the most common one. The commands of 197 * this node are executed if any child is out-of-date. */ 198 OP_DEPENDS = 1 << 0, 199 /* The dependency operator '!' always executes its commands, even if 200 * its children are up-to-date. */ 201 OP_FORCE = 1 << 1, 202 /* The dependency operator '::' behaves like ':', except that it allows 203 * multiple dependency groups to be defined. Each of these groups is 204 * executed on its own, independently from the others. Each individual 205 * dependency group is called a cohort. */ 206 OP_DOUBLEDEP = 1 << 2, 207 208 /* Matches the dependency operators ':', '!' and '::'. */ 209 OP_OPMASK = OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP, 210 211 /* Don't care if the target doesn't exist and can't be created */ 212 OP_OPTIONAL = 1 << 3, 213 /* Use associated commands for parents */ 214 OP_USE = 1 << 4, 215 /* Target is never out of date, but always execute commands anyway. 216 * Its time doesn't matter, so it has none...sort of */ 217 OP_EXEC = 1 << 5, 218 /* Ignore non-zero exit status from shell commands when creating the node */ 219 OP_IGNORE = 1 << 6, 220 /* Don't remove the target when interrupted */ 221 OP_PRECIOUS = 1 << 7, 222 /* Don't echo commands when executed */ 223 OP_SILENT = 1 << 8, 224 /* Target is a recursive make so its commands should always be executed 225 * when it is out of date, regardless of the state of the -n or -t flags */ 226 OP_MAKE = 1 << 9, 227 /* Target is out-of-date only if any of its children was out-of-date */ 228 OP_JOIN = 1 << 10, 229 /* Assume the children of the node have been already made */ 230 OP_MADE = 1 << 11, 231 /* Special .BEGIN, .END, .INTERRUPT */ 232 OP_SPECIAL = 1 << 12, 233 /* Like .USE, only prepend commands */ 234 OP_USEBEFORE = 1 << 13, 235 /* The node is invisible to its parents. I.e. it doesn't show up in the 236 * parents' local variables (.IMPSRC, .ALLSRC). */ 237 OP_INVISIBLE = 1 << 14, 238 /* The node is exempt from normal 'main target' processing in parse.c */ 239 OP_NOTMAIN = 1 << 15, 240 /* Not a file target; run always */ 241 OP_PHONY = 1 << 16, 242 /* Don't search for file in the path */ 243 OP_NOPATH = 1 << 17, 244 /* In a dependency line "target: source1 .WAIT source2", source1 is made 245 * first, including its children. Once that is finished, source2 is made, 246 * including its children. The .WAIT keyword may appear more than once in 247 * a single dependency declaration. */ 248 OP_WAIT = 1 << 18, 249 /* .NOMETA do not create a .meta file */ 250 OP_NOMETA = 1 << 19, 251 /* .META we _do_ want a .meta file */ 252 OP_META = 1 << 20, 253 /* Do not compare commands in .meta file */ 254 OP_NOMETA_CMP = 1 << 21, 255 /* Possibly a submake node */ 256 OP_SUBMAKE = 1 << 22, 257 258 /* Attributes applied by PMake */ 259 260 /* The node is a transformation rule, such as ".c.o". */ 261 OP_TRANSFORM = 1 << 31, 262 /* Target is a member of an archive */ 263 /* XXX: How does this differ from OP_ARCHV? */ 264 OP_MEMBER = 1 << 30, 265 /* The node is a library, 266 * its name has the form "-l<libname>" */ 267 OP_LIB = 1 << 29, 268 /* The node is an archive member, 269 * its name has the form "archive(member)" */ 270 /* XXX: How does this differ from OP_MEMBER? */ 271 OP_ARCHV = 1 << 28, 272 /* Target has all the commands it should. Used when parsing to catch 273 * multiple command groups for a target. Only applies to the dependency 274 * operators ':' and '!', but not to '::'. */ 275 OP_HAS_COMMANDS = 1 << 27, 276 /* The special command "..." has been seen. All further commands from 277 * this node will be saved on the .END node instead, to be executed at 278 * the very end. */ 279 OP_SAVE_CMDS = 1 << 26, 280 /* Already processed by Suff_FindDeps */ 281 OP_DEPS_FOUND = 1 << 25, 282 /* Node found while expanding .ALLSRC */ 283 OP_MARK = 1 << 24, 284 285 OP_NOTARGET = OP_NOTMAIN | OP_USE | OP_EXEC | OP_TRANSFORM 286 } GNodeType; 287 288 typedef enum GNodeFlags { 289 REMAKE = 0x0001, /* this target needs to be (re)made */ 290 CHILDMADE = 0x0002, /* children of this target were made */ 291 FORCE = 0x0004, /* children don't exist, and we pretend made */ 292 DONE_WAIT = 0x0008, /* Set by Make_ProcessWait() */ 293 DONE_ORDER = 0x0010, /* Build requested by .ORDER processing */ 294 FROM_DEPEND = 0x0020, /* Node created from .depend */ 295 DONE_ALLSRC = 0x0040, /* We do it once only */ 296 CYCLE = 0x1000, /* Used by MakePrintStatus */ 297 DONECYCLE = 0x2000, /* Used by MakePrintStatus */ 298 INTERNAL = 0x4000 /* Internal use only */ 299 } GNodeFlags; 300 301 typedef struct List StringList; 302 typedef struct ListNode StringListNode; 303 304 typedef struct List GNodeList; 305 typedef struct ListNode GNodeListNode; 306 307 typedef struct List /* of CachedDir */ SearchPath; 308 309 /* A graph node represents a target that can possibly be made, including its 310 * relation to other targets and a lot of other details. */ 311 typedef struct GNode { 312 /* The target's name, such as "clean" or "make.c" */ 313 char *name; 314 /* The unexpanded name of a .USE node */ 315 char *uname; 316 /* The full pathname of the file belonging to the target. 317 * XXX: What about .PHONY targets? These don't have an associated path. */ 318 char *path; 319 320 /* The type of operator used to define the sources (see the OP flags below). 321 * XXX: This looks like a wild mixture of type and flags. */ 322 GNodeType type; 323 GNodeFlags flags; 324 325 /* The state of processing on this node */ 326 GNodeMade made; 327 int unmade; /* The number of unmade children */ 328 329 /* The modification time; 0 means the node does not have a corresponding 330 * file; see GNode_IsOODate. */ 331 time_t mtime; 332 struct GNode *youngestChild; 333 334 /* The GNodes for which this node is an implied source. May be empty. 335 * For example, when there is an inference rule for .c.o, the node for 336 * file.c has the node for file.o in this list. */ 337 GNodeList *implicitParents; 338 339 /* The nodes that depend on this one, or in other words, the nodes for 340 * which this is a source. */ 341 GNodeList *parents; 342 /* The nodes on which this one depends. */ 343 GNodeList *children; 344 345 /* .ORDER nodes we need made. The nodes that must be made (if they're 346 * made) before this node can be made, but that do not enter into the 347 * datedness of this node. */ 348 GNodeList *order_pred; 349 /* .ORDER nodes who need us. The nodes that must be made (if they're made 350 * at all) after this node is made, but that do not depend on this node, 351 * in the normal sense. */ 352 GNodeList *order_succ; 353 354 /* Other nodes of the same name, for the '::' dependency operator. */ 355 GNodeList *cohorts; 356 /* The "#n" suffix for this cohort, or "" for other nodes */ 357 char cohort_num[8]; 358 /* The number of unmade instances on the cohorts list */ 359 int unmade_cohorts; 360 /* Pointer to the first instance of a '::' node; only set when on a 361 * cohorts list */ 362 struct GNode *centurion; 363 364 /* Last time (sequence number) we tried to make this node */ 365 unsigned int checked_seqno; 366 367 /* The "local" variables that are specific to this target and this target 368 * only, such as $@, $<, $?. 369 * 370 * Also used for the global variable scopes VAR_GLOBAL, VAR_CMDLINE, 371 * VAR_INTERNAL, which contain variables with arbitrary names. */ 372 HashTable /* of Var pointer */ context; 373 374 /* The commands to be given to a shell to create this target. */ 375 StringList *commands; 376 377 /* Suffix for the node (determined by Suff_FindDeps and opaque to everyone 378 * but the Suff module) */ 379 struct Suff *suffix; 380 381 /* Filename where the GNode got defined */ 382 const char *fname; 383 /* Line number where the GNode got defined */ 384 int lineno; 385 } GNode; 386 387 /* Error levels for diagnostics during parsing. */ 388 typedef enum ParseErrorLevel { 389 /* Exit when the current top-level makefile has been parsed completely. */ 390 PARSE_FATAL = 1, 391 /* Print "warning"; may be upgraded to fatal by the -w option. */ 392 PARSE_WARNING, 393 /* Informational, mainly used during development of makefiles. */ 394 PARSE_INFO 395 } ParseErrorLevel; 396 397 /* 398 * Values returned by Cond_EvalLine and Cond_EvalCondition. 399 */ 400 typedef enum CondEvalResult { 401 COND_PARSE, /* Parse the next lines */ 402 COND_SKIP, /* Skip the next lines */ 403 COND_INVALID /* Not a conditional statement */ 404 } CondEvalResult; 405 406 /* Names of the variables that are "local" to a specific target. */ 407 #define TARGET "@" /* Target of dependency */ 408 #define OODATE "?" /* All out-of-date sources */ 409 #define ALLSRC ">" /* All sources */ 410 #define IMPSRC "<" /* Source implied by transformation */ 411 #define PREFIX "*" /* Common prefix */ 412 #define ARCHIVE "!" /* Archive in "archive(member)" syntax */ 413 #define MEMBER "%" /* Member in "archive(member)" syntax */ 414 415 /* 416 * Global Variables 417 */ 418 419 /* True if every target is precious */ 420 extern Boolean allPrecious; 421 /* True if failed targets should be deleted */ 422 extern Boolean deleteOnError; 423 /* TRUE while processing .depend */ 424 extern Boolean doing_depend; 425 /* .DEFAULT rule */ 426 extern GNode *DEFAULT; 427 428 /* Variables defined internally by make which should not override those set 429 * by makefiles. */ 430 extern GNode *VAR_INTERNAL; 431 /* Variables defined in a global context, e.g in the Makefile itself. */ 432 extern GNode *VAR_GLOBAL; 433 /* Variables defined on the command line. */ 434 extern GNode *VAR_CMDLINE; 435 436 /* Value returned by Var_Parse when an error is encountered. It actually 437 * points to an empty string, so naive callers needn't worry about it. */ 438 extern char var_Error[]; 439 440 /* The time at the start of this whole process */ 441 extern time_t now; 442 443 /* 444 * If FALSE (the default behavior), undefined subexpressions in a variable 445 * expression are discarded. If TRUE (only during variable assignments using 446 * the ':=' assignment operator, no matter how deeply nested), they are 447 * preserved and possibly expanded later when the variable from the 448 * subexpression has been defined. 449 * 450 * Example for a ':=' assignment: 451 * CFLAGS = $(.INCLUDES) 452 * CFLAGS := -I.. $(CFLAGS) 453 * # If .INCLUDES (an undocumented special variable, by the way) is 454 * # still undefined, the updated CFLAGS becomes "-I.. $(.INCLUDES)". 455 */ 456 extern Boolean preserveUndefined; 457 458 /* The list of directories to search when looking for targets (set by the 459 * special target .PATH). */ 460 extern SearchPath *dirSearchPath; 461 /* Used for .include "...". */ 462 extern SearchPath *parseIncPath; 463 /* Used for .include <...>, for the built-in sys.mk and makefiles from the 464 * command line arguments. */ 465 extern SearchPath *sysIncPath; 466 /* The default for sysIncPath. */ 467 extern SearchPath *defSysIncPath; 468 469 /* Startup directory */ 470 extern char curdir[]; 471 /* The basename of the program name, suffixed with [n] for sub-makes. */ 472 extern char *progname; 473 /* Name of the .depend makefile */ 474 extern char *makeDependfile; 475 /* If we replaced environ, this will be non-NULL. */ 476 extern char **savedEnv; 477 478 extern int makelevel; 479 480 /* 481 * We cannot vfork() in a child of vfork(). 482 * Most systems do not enforce this but some do. 483 */ 484 #define vFork() ((getpid() == myPid) ? vfork() : fork()) 485 extern pid_t myPid; 486 487 #define MAKEFLAGS ".MAKEFLAGS" 488 #define MAKEOVERRIDES ".MAKEOVERRIDES" 489 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix for job target output */ 490 #define MAKE_EXPORTED ".MAKE.EXPORTED" /* variables we export */ 491 #define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all makefiles already loaded */ 492 #define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ 493 #define MAKE_MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" 494 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ 495 #define MAKE_MODE ".MAKE.MODE" 496 #ifndef MAKE_LEVEL_ENV 497 # define MAKE_LEVEL_ENV "MAKELEVEL" 498 #endif 499 500 typedef enum DebugFlags { 501 DEBUG_NONE = 0, 502 DEBUG_ARCH = 1 << 0, 503 DEBUG_COND = 1 << 1, 504 DEBUG_CWD = 1 << 2, 505 DEBUG_DIR = 1 << 3, 506 DEBUG_ERROR = 1 << 4, 507 DEBUG_FOR = 1 << 5, 508 DEBUG_GRAPH1 = 1 << 6, 509 DEBUG_GRAPH2 = 1 << 7, 510 DEBUG_GRAPH3 = 1 << 8, 511 DEBUG_HASH = 1 << 9, 512 DEBUG_JOB = 1 << 10, 513 DEBUG_LOUD = 1 << 11, 514 DEBUG_MAKE = 1 << 12, 515 DEBUG_META = 1 << 13, 516 DEBUG_PARSE = 1 << 14, 517 DEBUG_SCRIPT = 1 << 15, 518 DEBUG_SHELL = 1 << 16, 519 DEBUG_SUFF = 1 << 17, 520 DEBUG_TARG = 1 << 18, 521 DEBUG_VAR = 1 << 19, 522 DEBUG_ALL = (1 << 20) - 1 523 } DebugFlags; 524 525 #define CONCAT(a,b) a##b 526 527 #define DEBUG(module) (opts.debug & CONCAT(DEBUG_,module)) 528 529 void debug_printf(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 530 531 #define DEBUG0(module, text) \ 532 if (!DEBUG(module)) (void)0; \ 533 else debug_printf("%s", text) 534 535 #define DEBUG1(module, fmt, arg1) \ 536 if (!DEBUG(module)) (void)0; \ 537 else debug_printf(fmt, arg1) 538 539 #define DEBUG2(module, fmt, arg1, arg2) \ 540 if (!DEBUG(module)) (void)0; \ 541 else debug_printf(fmt, arg1, arg2) 542 543 #define DEBUG3(module, fmt, arg1, arg2, arg3) \ 544 if (!DEBUG(module)) (void)0; \ 545 else debug_printf(fmt, arg1, arg2, arg3) 546 547 #define DEBUG4(module, fmt, arg1, arg2, arg3, arg4) \ 548 if (!DEBUG(module)) (void)0; \ 549 else debug_printf(fmt, arg1, arg2, arg3, arg4) 550 551 #define DEBUG5(module, fmt, arg1, arg2, arg3, arg4, arg5) \ 552 if (!DEBUG(module)) (void)0; \ 553 else debug_printf(fmt, arg1, arg2, arg3, arg4, arg5) 554 555 typedef enum PrintVarsMode { 556 PVM_NONE, 557 PVM_UNEXPANDED, 558 PVM_EXPANDED 559 } PrintVarsMode; 560 561 /* Command line options */ 562 typedef struct CmdOpts { 563 /* -B: whether we are make compatible */ 564 Boolean compatMake; 565 566 /* -d: debug control: There is one bit per module. It is up to the 567 * module what debug information to print. */ 568 DebugFlags debug; 569 570 /* -df: debug output is written here - default stderr */ 571 FILE *debug_file; 572 573 /* -dL: lint mode 574 * 575 * Runs make in strict mode, with additional checks and better error 576 * handling. */ 577 Boolean lint; 578 579 /* -dV: for the -V option, print unexpanded variable values */ 580 Boolean debugVflag; 581 582 /* -e: check environment variables before global variables */ 583 Boolean checkEnvFirst; 584 585 /* -f: the makefiles to read */ 586 StringList *makefiles; 587 588 /* -i: if true, ignore all errors from shell commands */ 589 Boolean ignoreErrors; 590 591 /* -j: the maximum number of jobs that can run in parallel; 592 * this is coordinated with the submakes */ 593 int maxJobs; 594 595 /* -k: if true, continue on unaffected portions of the graph when an 596 * error occurs in one portion */ 597 Boolean keepgoing; 598 599 /* -N: execute no commands from the targets */ 600 Boolean noRecursiveExecute; 601 602 /* -n: execute almost no commands from the targets */ 603 Boolean noExecute; 604 605 /* -q: if true, we aren't supposed to really make anything, just see if 606 * the targets are out-of-date */ 607 Boolean queryFlag; 608 609 /* -r: raw mode, without loading the builtin rules. */ 610 Boolean noBuiltins; 611 612 /* -s: don't echo the shell commands before executing them */ 613 Boolean beSilent; 614 615 /* -t: touch the targets if they are out-of-date, but don't actually 616 * make them */ 617 Boolean touchFlag; 618 619 /* -[Vv]: print expanded or unexpanded selected variables */ 620 PrintVarsMode printVars; 621 /* -[Vv]: the variables to print */ 622 StringList *variables; 623 624 /* -W: if true, makefile parsing warnings are treated as errors */ 625 Boolean parseWarnFatal; 626 627 /* -w: print Entering and Leaving for submakes */ 628 Boolean enterFlag; 629 630 /* -X: if true, do not export variables set on the command line to the 631 * environment. */ 632 Boolean varNoExportEnv; 633 634 /* The target names specified on the command line. 635 * Used to resolve .if make(...) statements. */ 636 StringList *create; 637 638 } CmdOpts; 639 640 extern CmdOpts opts; 641 642 #include "nonints.h" 643 644 void GNode_UpdateYoungestChild(GNode *, GNode *); 645 Boolean GNode_IsOODate(GNode *); 646 void Make_ExpandUse(GNodeList *); 647 time_t Make_Recheck(GNode *); 648 void Make_HandleUse(GNode *, GNode *); 649 void Make_Update(GNode *); 650 void Make_DoAllVar(GNode *); 651 Boolean Make_Run(GNodeList *); 652 Boolean shouldDieQuietly(GNode *, int); 653 void PrintOnError(GNode *, const char *); 654 void Main_ExportMAKEFLAGS(Boolean); 655 Boolean Main_SetObjdir(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 656 int mkTempFile(const char *, char **); 657 int str2Lst_Append(StringList *, char *, const char *); 658 void GNode_FprintDetails(FILE *, const char *, const GNode *, const char *); 659 Boolean GNode_ShouldExecute(GNode *gn); 660 661 /* See if the node was seen on the left-hand side of a dependency operator. */ 662 MAKE_INLINE Boolean 663 GNode_IsTarget(const GNode *gn) 664 { 665 return (gn->type & OP_OPMASK) != 0; 666 } 667 668 MAKE_INLINE const char * 669 GNode_Path(const GNode *gn) 670 { 671 return gn->path != NULL ? gn->path : gn->name; 672 } 673 674 MAKE_INLINE const char * 675 GNode_VarTarget(GNode *gn) { return Var_ValueDirect(TARGET, gn); } 676 MAKE_INLINE const char * 677 GNode_VarOodate(GNode *gn) { return Var_ValueDirect(OODATE, gn); } 678 MAKE_INLINE const char * 679 GNode_VarAllsrc(GNode *gn) { return Var_ValueDirect(ALLSRC, gn); } 680 MAKE_INLINE const char * 681 GNode_VarImpsrc(GNode *gn) { return Var_ValueDirect(IMPSRC, gn); } 682 MAKE_INLINE const char * 683 GNode_VarPrefix(GNode *gn) { return Var_ValueDirect(PREFIX, gn); } 684 MAKE_INLINE const char * 685 GNode_VarArchive(GNode *gn) { return Var_ValueDirect(ARCHIVE, gn); } 686 MAKE_INLINE const char * 687 GNode_VarMember(GNode *gn) { return Var_ValueDirect(MEMBER, gn); } 688 689 #ifdef __GNUC__ 690 #define UNCONST(ptr) ({ \ 691 union __unconst { \ 692 const void *__cp; \ 693 void *__p; \ 694 } __d; \ 695 __d.__cp = ptr, __d.__p; }) 696 #else 697 #define UNCONST(ptr) (void *)(ptr) 698 #endif 699 700 /* At least GNU/Hurd systems lack hardcoded MAXPATHLEN/PATH_MAX */ 701 #include <limits.h> 702 #ifndef MAXPATHLEN 703 #define MAXPATHLEN 4096 704 #endif 705 #ifndef PATH_MAX 706 #define PATH_MAX MAXPATHLEN 707 #endif 708 709 #if defined(SYSV) 710 #define KILLPG(pid, sig) kill(-(pid), (sig)) 711 #else 712 #define KILLPG(pid, sig) killpg((pid), (sig)) 713 #endif 714 715 MAKE_INLINE Boolean 716 ch_isalnum(char ch) { return isalnum((unsigned char)ch) != 0; } 717 MAKE_INLINE Boolean 718 ch_isalpha(char ch) { return isalpha((unsigned char)ch) != 0; } 719 MAKE_INLINE Boolean 720 ch_isdigit(char ch) { return isdigit((unsigned char)ch) != 0; } 721 MAKE_INLINE Boolean 722 ch_isspace(char ch) { return isspace((unsigned char)ch) != 0; } 723 MAKE_INLINE Boolean 724 ch_isupper(char ch) { return isupper((unsigned char)ch) != 0; } 725 MAKE_INLINE char 726 ch_tolower(char ch) { return (char)tolower((unsigned char)ch); } 727 MAKE_INLINE char 728 ch_toupper(char ch) { return (char)toupper((unsigned char)ch); } 729 730 MAKE_INLINE void 731 cpp_skip_whitespace(const char **pp) 732 { 733 while (ch_isspace(**pp)) 734 (*pp)++; 735 } 736 737 MAKE_INLINE void 738 cpp_skip_hspace(const char **pp) 739 { 740 while (**pp == ' ' || **pp == '\t') 741 (*pp)++; 742 } 743 744 MAKE_INLINE void 745 pp_skip_whitespace(char **pp) 746 { 747 while (ch_isspace(**pp)) 748 (*pp)++; 749 } 750 751 MAKE_INLINE void 752 pp_skip_hspace(char **pp) 753 { 754 while (**pp == ' ' || **pp == '\t') 755 (*pp)++; 756 } 757 758 #ifdef MAKE_NATIVE 759 # include <sys/cdefs.h> 760 # ifndef lint 761 # define MAKE_RCSID(id) __RCSID(id) 762 # endif 763 #else 764 # define MAKE_RCSID(id) static volatile char rcsid[] = id 765 #endif 766 767 #endif /* MAKE_MAKE_H */ 768
Indexes created Wed Sep 24 15:09:51 GMT 2025