make.h revision 1.216
1 /* $NetBSD: make.h,v 1.216 2020/11/24 17:42:31 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 /* 177 * The typical flow of states is: 178 * 179 * The direct successful path: 180 * UNMADE -> BEINGMADE -> MADE. 181 * 182 * The direct error path: 183 * UNMADE -> BEINGMADE -> ERROR. 184 * 185 * The successful path when dependencies need to be made first: 186 * UNMADE -> DEFERRED -> REQUESTED -> BEINGMADE -> MADE. 187 * 188 * A node that has dependencies, and one of the dependencies cannot be made: 189 * UNMADE -> DEFERRED -> ABORTED. 190 * 191 * A node that turns out to be up-to-date: 192 * UNMADE -> BEINGMADE -> UPTODATE. 193 */ 194 typedef enum GNodeMade { 195 /* Not examined yet. */ 196 UNMADE, 197 /* The node has been examined but is not yet ready since its 198 * dependencies have to be made first. */ 199 DEFERRED, 200 /* The node is on the toBeMade list. */ 201 REQUESTED, 202 /* The node is already being made. 203 * Trying to build a node in this state indicates a cycle in the graph. */ 204 BEINGMADE, 205 /* Was out-of-date and has been made. */ 206 MADE, 207 /* Was already up-to-date, does not need to be made. */ 208 UPTODATE, 209 /* An error occurred while it was being made (used only in compat mode). */ 210 ERROR, 211 /* The target was aborted due to an error making a dependency (compat). */ 212 ABORTED 213 } GNodeMade; 214 215 /* The OP_ constants are used when parsing a dependency line as a way of 216 * communicating to other parts of the program the way in which a target 217 * should be made. 218 * 219 * Some of the OP_ constants can be combined, others cannot. */ 220 typedef enum GNodeType { 221 OP_NONE = 0, 222 223 /* The dependency operator ':' is the most common one. The commands of 224 * this node are executed if any child is out-of-date. */ 225 OP_DEPENDS = 1 << 0, 226 /* The dependency operator '!' always executes its commands, even if 227 * its children are up-to-date. */ 228 OP_FORCE = 1 << 1, 229 /* The dependency operator '::' behaves like ':', except that it allows 230 * multiple dependency groups to be defined. Each of these groups is 231 * executed on its own, independently from the others. Each individual 232 * dependency group is called a cohort. */ 233 OP_DOUBLEDEP = 1 << 2, 234 235 /* Matches the dependency operators ':', '!' and '::'. */ 236 OP_OPMASK = OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP, 237 238 /* Don't care if the target doesn't exist and can't be created */ 239 OP_OPTIONAL = 1 << 3, 240 /* Use associated commands for parents */ 241 OP_USE = 1 << 4, 242 /* Target is never out of date, but always execute commands anyway. 243 * Its time doesn't matter, so it has none...sort of */ 244 OP_EXEC = 1 << 5, 245 /* Ignore non-zero exit status from shell commands when creating the 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 executed 252 * when it is out of date, regardless of the state of the -n or -t flags */ 253 OP_MAKE = 1 << 9, 254 /* Target is out-of-date only if any of its children was out-of-date */ 255 OP_JOIN = 1 << 10, 256 /* Assume the children of the node have been already made */ 257 OP_MADE = 1 << 11, 258 /* Special .BEGIN, .END, .INTERRUPT */ 259 OP_SPECIAL = 1 << 12, 260 /* Like .USE, only prepend commands */ 261 OP_USEBEFORE = 1 << 13, 262 /* The node is invisible to its parents. I.e. it doesn't show up in the 263 * parents' local variables (.IMPSRC, .ALLSRC). */ 264 OP_INVISIBLE = 1 << 14, 265 /* The node is exempt from normal 'main target' processing in parse.c */ 266 OP_NOTMAIN = 1 << 15, 267 /* Not a file target; run always */ 268 OP_PHONY = 1 << 16, 269 /* Don't search for file in the path */ 270 OP_NOPATH = 1 << 17, 271 /* In a dependency line "target: source1 .WAIT source2", source1 is made 272 * first, including its children. Once that is finished, source2 is made, 273 * including its children. The .WAIT keyword may appear more than once in 274 * a single dependency declaration. */ 275 OP_WAIT = 1 << 18, 276 /* .NOMETA do not create a .meta file */ 277 OP_NOMETA = 1 << 19, 278 /* .META we _do_ want a .meta file */ 279 OP_META = 1 << 20, 280 /* Do not compare commands in .meta file */ 281 OP_NOMETA_CMP = 1 << 21, 282 /* Possibly a submake node */ 283 OP_SUBMAKE = 1 << 22, 284 285 /* Attributes applied by PMake */ 286 287 /* The node is a transformation rule, such as ".c.o". */ 288 OP_TRANSFORM = 1 << 30, 289 /* Target is a member of an archive */ 290 /* XXX: How does this differ from OP_ARCHV? */ 291 OP_MEMBER = 1 << 29, 292 /* The node is a library, 293 * its name has the form "-l<libname>" */ 294 OP_LIB = 1 << 28, 295 /* The node is an archive member, 296 * its name has the form "archive(member)" */ 297 /* XXX: How does this differ from OP_MEMBER? */ 298 OP_ARCHV = 1 << 27, 299 /* Target has all the commands it should. Used when parsing to catch 300 * multiple command groups for a target. Only applies to the dependency 301 * operators ':' and '!', but not to '::'. */ 302 OP_HAS_COMMANDS = 1 << 26, 303 /* The special command "..." has been seen. All further commands from 304 * this node will be saved on the .END node instead, to be executed at 305 * the very end. */ 306 OP_SAVE_CMDS = 1 << 25, 307 /* Already processed by Suff_FindDeps, to find dependencies from suffix 308 * transformation rules. */ 309 OP_DEPS_FOUND = 1 << 24, 310 /* Node found while expanding .ALLSRC */ 311 OP_MARK = 1 << 23, 312 313 OP_NOTARGET = OP_NOTMAIN | OP_USE | OP_EXEC | OP_TRANSFORM 314 } GNodeType; 315 316 typedef enum GNodeFlags { 317 REMAKE = 0x0001, /* this target needs to be (re)made */ 318 CHILDMADE = 0x0002, /* children of this target were made */ 319 FORCE = 0x0004, /* children don't exist, and we pretend made */ 320 DONE_WAIT = 0x0008, /* Set by Make_ProcessWait() */ 321 DONE_ORDER = 0x0010, /* Build requested by .ORDER processing */ 322 FROM_DEPEND = 0x0020, /* Node created from .depend */ 323 DONE_ALLSRC = 0x0040, /* We do it once only */ 324 CYCLE = 0x1000, /* Used by MakePrintStatus */ 325 DONECYCLE = 0x2000, /* Used by MakePrintStatus */ 326 INTERNAL = 0x4000 /* Internal use only */ 327 } GNodeFlags; 328 329 typedef struct List StringList; 330 typedef struct ListNode StringListNode; 331 332 typedef struct List GNodeList; 333 typedef struct ListNode GNodeListNode; 334 335 typedef struct List /* of CachedDir */ SearchPath; 336 337 /* A graph node represents a target that can possibly be made, including its 338 * relation to other targets and a lot of other details. */ 339 typedef struct GNode { 340 /* The target's name, such as "clean" or "make.c" */ 341 char *name; 342 /* The unexpanded name of a .USE node */ 343 char *uname; 344 /* The full pathname of the file belonging to the target. 345 * XXX: What about .PHONY targets? These don't have an associated path. */ 346 char *path; 347 348 /* The type of operator used to define the sources (see the OP flags below). 349 * XXX: This looks like a wild mixture of type and flags. */ 350 GNodeType type; 351 GNodeFlags flags; 352 353 /* The state of processing on this node */ 354 GNodeMade made; 355 int unmade; /* The number of unmade children */ 356 357 /* The modification time; 0 means the node does not have a corresponding 358 * file; see GNode_IsOODate. */ 359 time_t mtime; 360 struct GNode *youngestChild; 361 362 /* The GNodes for which this node is an implied source. May be empty. 363 * For example, when there is an inference rule for .c.o, the node for 364 * file.c has the node for file.o in this list. */ 365 GNodeList *implicitParents; 366 367 /* The nodes that depend on this one, or in other words, the nodes for 368 * which this is a source. */ 369 GNodeList *parents; 370 /* The nodes on which this one depends. */ 371 GNodeList *children; 372 373 /* .ORDER nodes we need made. The nodes that must be made (if they're 374 * made) before this node can be made, but that do not enter into the 375 * datedness of this node. */ 376 GNodeList *order_pred; 377 /* .ORDER nodes who need us. The nodes that must be made (if they're made 378 * at all) after this node is made, but that do not depend on this node, 379 * in the normal sense. */ 380 GNodeList *order_succ; 381 382 /* Other nodes of the same name, for the '::' dependency operator. */ 383 GNodeList *cohorts; 384 /* The "#n" suffix for this cohort, or "" for other nodes */ 385 char cohort_num[8]; 386 /* The number of unmade instances on the cohorts list */ 387 int unmade_cohorts; 388 /* Pointer to the first instance of a '::' node; only set when on a 389 * cohorts list */ 390 struct GNode *centurion; 391 392 /* Last time (sequence number) we tried to make this node */ 393 unsigned int checked_seqno; 394 395 /* The "local" variables that are specific to this target and this target 396 * only, such as $@, $<, $?. 397 * 398 * Also used for the global variable scopes VAR_GLOBAL, VAR_CMDLINE, 399 * VAR_INTERNAL, which contain variables with arbitrary names. */ 400 HashTable /* of Var pointer */ vars; 401 402 /* The commands to be given to a shell to create this target. */ 403 StringList *commands; 404 405 /* Suffix for the node (determined by Suff_FindDeps and opaque to everyone 406 * but the Suff module) */ 407 struct Suffix *suffix; 408 409 /* Filename where the GNode got defined */ 410 /* XXX: What is the lifetime of this string? */ 411 const char *fname; 412 /* Line number where the GNode got defined */ 413 int lineno; 414 } GNode; 415 416 /* Error levels for diagnostics during parsing. */ 417 typedef enum ParseErrorLevel { 418 /* Exit when the current top-level makefile has been parsed completely. */ 419 PARSE_FATAL = 1, 420 /* Print "warning"; may be upgraded to fatal by the -w option. */ 421 PARSE_WARNING, 422 /* Informational, mainly used during development of makefiles. */ 423 PARSE_INFO 424 } ParseErrorLevel; 425 426 /* 427 * Values returned by Cond_EvalLine and Cond_EvalCondition. 428 */ 429 typedef enum CondEvalResult { 430 COND_PARSE, /* Parse the next lines */ 431 COND_SKIP, /* Skip the next lines */ 432 COND_INVALID /* Not a conditional statement */ 433 } CondEvalResult; 434 435 /* Names of the variables that are "local" to a specific target. */ 436 #define TARGET "@" /* Target of dependency */ 437 #define OODATE "?" /* All out-of-date sources */ 438 #define ALLSRC ">" /* All sources */ 439 #define IMPSRC "<" /* Source implied by transformation */ 440 #define PREFIX "*" /* Common prefix */ 441 #define ARCHIVE "!" /* Archive in "archive(member)" syntax */ 442 #define MEMBER "%" /* Member in "archive(member)" syntax */ 443 444 /* 445 * Global Variables 446 */ 447 448 /* True if every target is precious */ 449 extern Boolean allPrecious; 450 /* True if failed targets should be deleted */ 451 extern Boolean deleteOnError; 452 /* TRUE while processing .depend */ 453 extern Boolean doing_depend; 454 /* .DEFAULT rule */ 455 extern GNode *defaultNode; 456 457 /* Variables defined internally by make which should not override those set 458 * by makefiles. */ 459 extern GNode *VAR_INTERNAL; 460 /* Variables defined in a global context, e.g in the Makefile itself. */ 461 extern GNode *VAR_GLOBAL; 462 /* Variables defined on the command line. */ 463 extern GNode *VAR_CMDLINE; 464 465 /* Value returned by Var_Parse when an error is encountered. It actually 466 * points to an empty string, so naive callers needn't worry about it. */ 467 extern char var_Error[]; 468 469 /* The time at the start of this whole process */ 470 extern time_t now; 471 472 /* 473 * If FALSE (the default behavior), undefined subexpressions in a variable 474 * expression are discarded. If TRUE (only during variable assignments using 475 * the ':=' assignment operator, no matter how deeply nested), they are 476 * preserved and possibly expanded later when the variable from the 477 * subexpression has been defined. 478 * 479 * Example for a ':=' assignment: 480 * CFLAGS = $(.INCLUDES) 481 * CFLAGS := -I.. $(CFLAGS) 482 * # If .INCLUDES (an undocumented special variable, by the way) is 483 * # still undefined, the updated CFLAGS becomes "-I.. $(.INCLUDES)". 484 */ 485 extern Boolean preserveUndefined; 486 487 /* The list of directories to search when looking for targets (set by the 488 * special target .PATH). */ 489 extern SearchPath *dirSearchPath; 490 /* Used for .include "...". */ 491 extern SearchPath *parseIncPath; 492 /* Used for .include <...>, for the built-in sys.mk and makefiles from the 493 * command line arguments. */ 494 extern SearchPath *sysIncPath; 495 /* The default for sysIncPath. */ 496 extern SearchPath *defSysIncPath; 497 498 /* Startup directory */ 499 extern char curdir[]; 500 /* The basename of the program name, suffixed with [n] for sub-makes. */ 501 extern char *progname; 502 /* Name of the .depend makefile */ 503 extern char *makeDependfile; 504 /* If we replaced environ, this will be non-NULL. */ 505 extern char **savedEnv; 506 507 extern int makelevel; 508 509 /* 510 * We cannot vfork() in a child of vfork(). 511 * Most systems do not enforce this but some do. 512 */ 513 #define vFork() ((getpid() == myPid) ? vfork() : fork()) 514 extern pid_t myPid; 515 516 #define MAKEFLAGS ".MAKEFLAGS" 517 #define MAKEOVERRIDES ".MAKEOVERRIDES" 518 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix when printing the 519 * target of a job */ 520 #define MAKE_EXPORTED ".MAKE.EXPORTED" /* exported variables */ 521 #define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all loaded makefiles */ 522 #define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ 523 #define MAKE_MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" 524 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ 525 #define MAKE_MODE ".MAKE.MODE" 526 #ifndef MAKE_LEVEL_ENV 527 # define MAKE_LEVEL_ENV "MAKELEVEL" 528 #endif 529 530 typedef enum DebugFlags { 531 DEBUG_NONE = 0, 532 DEBUG_ARCH = 1 << 0, 533 DEBUG_COND = 1 << 1, 534 DEBUG_CWD = 1 << 2, 535 DEBUG_DIR = 1 << 3, 536 DEBUG_ERROR = 1 << 4, 537 DEBUG_FOR = 1 << 5, 538 DEBUG_GRAPH1 = 1 << 6, 539 DEBUG_GRAPH2 = 1 << 7, 540 DEBUG_GRAPH3 = 1 << 8, 541 DEBUG_HASH = 1 << 9, 542 DEBUG_JOB = 1 << 10, 543 DEBUG_LOUD = 1 << 11, 544 DEBUG_MAKE = 1 << 12, 545 DEBUG_META = 1 << 13, 546 DEBUG_PARSE = 1 << 14, 547 DEBUG_SCRIPT = 1 << 15, 548 DEBUG_SHELL = 1 << 16, 549 DEBUG_SUFF = 1 << 17, 550 DEBUG_TARG = 1 << 18, 551 DEBUG_VAR = 1 << 19, 552 DEBUG_ALL = (1 << 20) - 1 553 } DebugFlags; 554 555 #define CONCAT(a,b) a##b 556 557 #define DEBUG(module) (opts.debug & CONCAT(DEBUG_,module)) 558 559 void debug_printf(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 560 561 #define DEBUG0(module, text) \ 562 if (!DEBUG(module)) (void)0; \ 563 else debug_printf("%s", text) 564 565 #define DEBUG1(module, fmt, arg1) \ 566 if (!DEBUG(module)) (void)0; \ 567 else debug_printf(fmt, arg1) 568 569 #define DEBUG2(module, fmt, arg1, arg2) \ 570 if (!DEBUG(module)) (void)0; \ 571 else debug_printf(fmt, arg1, arg2) 572 573 #define DEBUG3(module, fmt, arg1, arg2, arg3) \ 574 if (!DEBUG(module)) (void)0; \ 575 else debug_printf(fmt, arg1, arg2, arg3) 576 577 #define DEBUG4(module, fmt, arg1, arg2, arg3, arg4) \ 578 if (!DEBUG(module)) (void)0; \ 579 else debug_printf(fmt, arg1, arg2, arg3, arg4) 580 581 #define DEBUG5(module, fmt, arg1, arg2, arg3, arg4, arg5) \ 582 if (!DEBUG(module)) (void)0; \ 583 else debug_printf(fmt, arg1, arg2, arg3, arg4, arg5) 584 585 typedef enum PrintVarsMode { 586 PVM_NONE, 587 PVM_UNEXPANDED, 588 PVM_EXPANDED 589 } PrintVarsMode; 590 591 /* Command line options */ 592 typedef struct CmdOpts { 593 /* -B: whether we are make compatible */ 594 Boolean compatMake; 595 596 /* -d: debug control: There is one bit per module. It is up to the 597 * module what debug information to print. */ 598 DebugFlags debug; 599 600 /* -df: debug output is written here - default stderr */ 601 FILE *debug_file; 602 603 /* -dL: lint mode 604 * 605 * Runs make in strict mode, with additional checks and better error 606 * handling. */ 607 Boolean lint; 608 609 /* -dV: for the -V option, print unexpanded variable values */ 610 Boolean debugVflag; 611 612 /* -e: check environment variables before global variables */ 613 Boolean checkEnvFirst; 614 615 /* -f: the makefiles to read */ 616 StringList *makefiles; 617 618 /* -i: if true, ignore all errors from shell commands */ 619 Boolean ignoreErrors; 620 621 /* -j: the maximum number of jobs that can run in parallel; 622 * this is coordinated with the submakes */ 623 int maxJobs; 624 625 /* -k: if true, continue on unaffected portions of the graph when an 626 * error occurs in one portion */ 627 Boolean keepgoing; 628 629 /* -N: execute no commands from the targets */ 630 Boolean noRecursiveExecute; 631 632 /* -n: execute almost no commands from the targets */ 633 Boolean noExecute; 634 635 /* -q: if true, we aren't supposed to really make anything, just see if 636 * the targets are out-of-date */ 637 Boolean queryFlag; 638 639 /* -r: raw mode, without loading the builtin rules. */ 640 Boolean noBuiltins; 641 642 /* -s: don't echo the shell commands before executing them */ 643 Boolean beSilent; 644 645 /* -t: touch the targets if they are out-of-date, but don't actually 646 * make them */ 647 Boolean touchFlag; 648 649 /* -[Vv]: print expanded or unexpanded selected variables */ 650 PrintVarsMode printVars; 651 /* -[Vv]: the variables to print */ 652 StringList *variables; 653 654 /* -W: if true, makefile parsing warnings are treated as errors */ 655 Boolean parseWarnFatal; 656 657 /* -w: print Entering and Leaving for submakes */ 658 Boolean enterFlag; 659 660 /* -X: if true, do not export variables set on the command line to the 661 * environment. */ 662 Boolean varNoExportEnv; 663 664 /* The target names specified on the command line. 665 * Used to resolve .if make(...) statements. */ 666 StringList *create; 667 668 } CmdOpts; 669 670 extern CmdOpts opts; 671 672 #include "nonints.h" 673 674 void GNode_UpdateYoungestChild(GNode *, GNode *); 675 Boolean GNode_IsOODate(GNode *); 676 void Make_ExpandUse(GNodeList *); 677 time_t Make_Recheck(GNode *); 678 void Make_HandleUse(GNode *, GNode *); 679 void Make_Update(GNode *); 680 void Make_DoAllVar(GNode *); 681 Boolean Make_Run(GNodeList *); 682 Boolean shouldDieQuietly(GNode *, int); 683 void PrintOnError(GNode *, const char *); 684 void Main_ExportMAKEFLAGS(Boolean); 685 Boolean Main_SetObjdir(Boolean, const char *, ...) MAKE_ATTR_PRINTFLIKE(2, 3); 686 int mkTempFile(const char *, char **); 687 int str2Lst_Append(StringList *, char *); 688 void GNode_FprintDetails(FILE *, const char *, const GNode *, const char *); 689 Boolean GNode_ShouldExecute(GNode *gn); 690 691 /* See if the node was seen on the left-hand side of a dependency operator. */ 692 MAKE_INLINE Boolean 693 GNode_IsTarget(const GNode *gn) 694 { 695 return (gn->type & OP_OPMASK) != 0; 696 } 697 698 MAKE_INLINE const char * 699 GNode_Path(const GNode *gn) 700 { 701 return gn->path != NULL ? gn->path : gn->name; 702 } 703 704 MAKE_INLINE const char * 705 GNode_VarTarget(GNode *gn) { return Var_ValueDirect(TARGET, gn); } 706 MAKE_INLINE const char * 707 GNode_VarOodate(GNode *gn) { return Var_ValueDirect(OODATE, gn); } 708 MAKE_INLINE const char * 709 GNode_VarAllsrc(GNode *gn) { return Var_ValueDirect(ALLSRC, gn); } 710 MAKE_INLINE const char * 711 GNode_VarImpsrc(GNode *gn) { return Var_ValueDirect(IMPSRC, gn); } 712 MAKE_INLINE const char * 713 GNode_VarPrefix(GNode *gn) { return Var_ValueDirect(PREFIX, gn); } 714 MAKE_INLINE const char * 715 GNode_VarArchive(GNode *gn) { return Var_ValueDirect(ARCHIVE, gn); } 716 MAKE_INLINE const char * 717 GNode_VarMember(GNode *gn) { return Var_ValueDirect(MEMBER, gn); } 718 719 #ifdef __GNUC__ 720 #define UNCONST(ptr) ({ \ 721 union __unconst { \ 722 const void *__cp; \ 723 void *__p; \ 724 } __d; \ 725 __d.__cp = ptr, __d.__p; }) 726 #else 727 #define UNCONST(ptr) (void *)(ptr) 728 #endif 729 730 /* At least GNU/Hurd systems lack hardcoded MAXPATHLEN/PATH_MAX */ 731 #include <limits.h> 732 #ifndef MAXPATHLEN 733 #define MAXPATHLEN 4096 734 #endif 735 #ifndef PATH_MAX 736 #define PATH_MAX MAXPATHLEN 737 #endif 738 739 #if defined(SYSV) 740 #define KILLPG(pid, sig) kill(-(pid), (sig)) 741 #else 742 #define KILLPG(pid, sig) killpg((pid), (sig)) 743 #endif 744 745 MAKE_INLINE Boolean 746 ch_isalnum(char ch) { return isalnum((unsigned char)ch) != 0; } 747 MAKE_INLINE Boolean 748 ch_isalpha(char ch) { return isalpha((unsigned char)ch) != 0; } 749 MAKE_INLINE Boolean 750 ch_isdigit(char ch) { return isdigit((unsigned char)ch) != 0; } 751 MAKE_INLINE Boolean 752 ch_isspace(char ch) { return isspace((unsigned char)ch) != 0; } 753 MAKE_INLINE Boolean 754 ch_isupper(char ch) { return isupper((unsigned char)ch) != 0; } 755 MAKE_INLINE char 756 ch_tolower(char ch) { return (char)tolower((unsigned char)ch); } 757 MAKE_INLINE char 758 ch_toupper(char ch) { return (char)toupper((unsigned char)ch); } 759 760 MAKE_INLINE void 761 cpp_skip_whitespace(const char **pp) 762 { 763 while (ch_isspace(**pp)) 764 (*pp)++; 765 } 766 767 MAKE_INLINE void 768 cpp_skip_hspace(const char **pp) 769 { 770 while (**pp == ' ' || **pp == '\t') 771 (*pp)++; 772 } 773 774 MAKE_INLINE void 775 pp_skip_whitespace(char **pp) 776 { 777 while (ch_isspace(**pp)) 778 (*pp)++; 779 } 780 781 MAKE_INLINE void 782 pp_skip_hspace(char **pp) 783 { 784 while (**pp == ' ' || **pp == '\t') 785 (*pp)++; 786 } 787 788 #ifdef MAKE_NATIVE 789 # include <sys/cdefs.h> 790 # ifndef lint 791 # define MAKE_RCSID(id) __RCSID(id) 792 # endif 793 #else 794 # define MAKE_RCSID(id) static volatile char rcsid[] = id 795 #endif 796 797 #endif /* MAKE_MAKE_H */ 798
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