1 /* $NetBSD: make.h,v 1.179 2020/11/01 17:47:26 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 #ifdef HAVE_CONFIG_H 84 # include "config.h" 85 #endif 86 87 #include <sys/types.h> 88 #include <sys/param.h> 89 #include <sys/stat.h> 90 91 #include <assert.h> 92 #include <ctype.h> 93 #include <fcntl.h> 94 #include <stdarg.h> 95 #include <stdio.h> 96 #include <stdlib.h> 97 #ifdef HAVE_STRING_H 98 #include <string.h> 99 #else 100 #include <strings.h> 101 #endif 102 #include <unistd.h> 103 #include <sys/cdefs.h> 104 105 #ifndef FD_CLOEXEC 106 #define FD_CLOEXEC 1 107 #endif 108 109 #if defined(__GNUC__) 110 #define MAKE_GNUC_PREREQ(x, y) \ 111 ((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \ 112 (__GNUC__ > (x))) 113 #else /* defined(__GNUC__) */ 114 #define MAKE_GNUC_PREREQ(x, y) 0 115 #endif /* defined(__GNUC__) */ 116 117 #if MAKE_GNUC_PREREQ(2, 7) 118 #define MAKE_ATTR_UNUSED __attribute__((__unused__)) 119 #else 120 #define MAKE_ATTR_UNUSED /* delete */ 121 #endif 122 123 #if MAKE_GNUC_PREREQ(2, 5) 124 #define MAKE_ATTR_DEAD __attribute__((__noreturn__)) 125 #elif defined(__GNUC__) 126 #define MAKE_ATTR_DEAD __volatile 127 #else 128 #define MAKE_ATTR_DEAD /* delete */ 129 #endif 130 131 #if MAKE_GNUC_PREREQ(2, 7) 132 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) \ 133 __attribute__((__format__ (__printf__, fmtarg, firstvararg))) 134 #else 135 #define MAKE_ATTR_PRINTFLIKE(fmtarg, firstvararg) /* delete */ 136 #endif 137 138 /* 139 * A boolean type is defined as an integer, not an enum, for historic reasons. 140 * The only allowed values are the constants TRUE and FALSE (1 and 0). 141 */ 142 143 #ifdef USE_DOUBLE_BOOLEAN 144 /* During development, to find type mismatches in function declarations. */ 145 typedef double Boolean; 146 #define TRUE 1.0 147 #define FALSE 0.0 148 #elif defined(USE_UCHAR_BOOLEAN) 149 /* During development, to find code that depends on the exact value of TRUE or 150 * that stores other values in Boolean variables. */ 151 typedef unsigned char Boolean; 152 #define TRUE ((unsigned char)0xFF) 153 #define FALSE ((unsigned char)0x00) 154 #elif defined(USE_CHAR_BOOLEAN) 155 /* During development, to find code that uses a boolean as array index, via 156 * -Wchar-subscripts. */ 157 typedef char Boolean; 158 #define TRUE ((char)-1) 159 #define FALSE ((char)0x00) 160 #elif defined(USE_ENUM_BOOLEAN) 161 typedef enum Boolean { FALSE, TRUE } Boolean; 162 #else 163 typedef int Boolean; 164 #ifndef TRUE 165 #define TRUE 1 166 #endif 167 #ifndef FALSE 168 #define FALSE 0 169 #endif 170 #endif 171 172 #include "lst.h" 173 #include "enum.h" 174 #include "hash.h" 175 #include "make-conf.h" 176 #include "buf.h" 177 #include "make_malloc.h" 178 179 /* 180 * some vendors don't have this --sjg 181 */ 182 #if defined(S_IFDIR) && !defined(S_ISDIR) 183 # define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR) 184 #endif 185 186 #if defined(sun) && (defined(__svr4__) || defined(__SVR4)) 187 #define POSIX_SIGNALS 188 #endif 189 190 typedef enum { 191 UNMADE, /* Not examined yet */ 192 DEFERRED, /* Examined once (building child) */ 193 REQUESTED, /* on toBeMade list */ 194 BEINGMADE, /* Target is already being made. 195 * Indicates a cycle in the graph. */ 196 MADE, /* Was out-of-date and has been made */ 197 UPTODATE, /* Was already up-to-date */ 198 ERROR, /* An error occurred while it was being 199 * made (used only in compat mode) */ 200 ABORTED /* The target was aborted due to an error 201 * making an inferior (compat). */ 202 } GNodeMade; 203 204 /* The OP_ constants are used when parsing a dependency line as a way of 205 * communicating to other parts of the program the way in which a target 206 * should be made. 207 * 208 * Some of the OP_ constants can be combined, others cannot. */ 209 typedef enum GNodeType { 210 /* The dependency operator ':' is the most common one. The commands of 211 * this node are executed if any child is out-of-date. */ 212 OP_DEPENDS = 1 << 0, 213 /* The dependency operator '!' always executes its commands, even if 214 * its children are up-to-date. */ 215 OP_FORCE = 1 << 1, 216 /* The dependency operator '::' behaves like ':', except that it allows 217 * multiple dependency groups to be defined. Each of these groups is 218 * executed on its own, independently from the others. */ 219 OP_DOUBLEDEP = 1 << 2, 220 221 /* Matches the dependency operators ':', '!' and '::'. */ 222 OP_OPMASK = OP_DEPENDS|OP_FORCE|OP_DOUBLEDEP, 223 224 /* Don't care if the target doesn't exist and can't be created */ 225 OP_OPTIONAL = 1 << 3, 226 /* Use associated commands for parents */ 227 OP_USE = 1 << 4, 228 /* Target is never out of date, but always execute commands anyway. 229 * Its time doesn't matter, so it has none...sort of */ 230 OP_EXEC = 1 << 5, 231 /* Ignore non-zero exit status from shell commands when creating the node */ 232 OP_IGNORE = 1 << 6, 233 /* Don't remove the target when interrupted */ 234 OP_PRECIOUS = 1 << 7, 235 /* Don't echo commands when executed */ 236 OP_SILENT = 1 << 8, 237 /* Target is a recursive make so its commands should always be executed 238 * when it is out of date, regardless of the state of the -n or -t flags */ 239 OP_MAKE = 1 << 9, 240 /* Target is out-of-date only if any of its children was out-of-date */ 241 OP_JOIN = 1 << 10, 242 /* Assume the children of the node have been already made */ 243 OP_MADE = 1 << 11, 244 /* Special .BEGIN, .END, .INTERRUPT */ 245 OP_SPECIAL = 1 << 12, 246 /* Like .USE, only prepend commands */ 247 OP_USEBEFORE = 1 << 13, 248 /* The node is invisible to its parents. I.e. it doesn't show up in the 249 * parents' local variables. */ 250 OP_INVISIBLE = 1 << 14, 251 /* The node is exempt from normal 'main target' processing in parse.c */ 252 OP_NOTMAIN = 1 << 15, 253 /* Not a file target; run always */ 254 OP_PHONY = 1 << 16, 255 /* Don't search for file in the path */ 256 OP_NOPATH = 1 << 17, 257 /* .WAIT phony node */ 258 OP_WAIT = 1 << 18, 259 /* .NOMETA do not create a .meta file */ 260 OP_NOMETA = 1 << 19, 261 /* .META we _do_ want a .meta file */ 262 OP_META = 1 << 20, 263 /* Do not compare commands in .meta file */ 264 OP_NOMETA_CMP = 1 << 21, 265 /* Possibly a submake node */ 266 OP_SUBMAKE = 1 << 22, 267 268 /* Attributes applied by PMake */ 269 270 /* The node is a transformation rule */ 271 OP_TRANSFORM = 1 << 31, 272 /* Target is a member of an archive */ 273 /* XXX: How does this differ from OP_ARCHV? */ 274 OP_MEMBER = 1 << 30, 275 /* The node is a library, 276 * its name has the form "-l<libname>" */ 277 OP_LIB = 1 << 29, 278 /* The node is an archive member, 279 * its name has the form "archive(member)" */ 280 /* XXX: How does this differ from OP_MEMBER? */ 281 OP_ARCHV = 1 << 28, 282 /* Target has all the commands it should. Used when parsing to catch 283 * multiple command groups for a target. Only applies to the dependency 284 * operators ':' and '!', but not to '::'. */ 285 OP_HAS_COMMANDS = 1 << 27, 286 /* The special command "..." has been seen. All further commands from 287 * this node will be saved on the .END node instead, to be executed at 288 * the very end. */ 289 OP_SAVE_CMDS = 1 << 26, 290 /* Already processed by Suff_FindDeps */ 291 OP_DEPS_FOUND = 1 << 25, 292 /* Node found while expanding .ALLSRC */ 293 OP_MARK = 1 << 24, 294 295 OP_NOTARGET = OP_NOTMAIN | OP_USE | OP_EXEC | OP_TRANSFORM 296 } GNodeType; 297 298 typedef enum GNodeFlags { 299 REMAKE = 0x0001, /* this target needs to be (re)made */ 300 CHILDMADE = 0x0002, /* children of this target were made */ 301 FORCE = 0x0004, /* children don't exist, and we pretend made */ 302 DONE_WAIT = 0x0008, /* Set by Make_ProcessWait() */ 303 DONE_ORDER = 0x0010, /* Build requested by .ORDER processing */ 304 FROM_DEPEND = 0x0020, /* Node created from .depend */ 305 DONE_ALLSRC = 0x0040, /* We do it once only */ 306 CYCLE = 0x1000, /* Used by MakePrintStatus */ 307 DONECYCLE = 0x2000, /* Used by MakePrintStatus */ 308 INTERNAL = 0x4000 /* Internal use only */ 309 } GNodeFlags; 310 311 typedef struct List StringList; 312 typedef struct ListNode StringListNode; 313 314 typedef struct List GNodeList; 315 typedef struct ListNode GNodeListNode; 316 317 typedef struct List /* of CachedDir */ SearchPath; 318 319 /* A graph node represents a target that can possibly be made, including its 320 * relation to other targets and a lot of other details. */ 321 typedef struct GNode { 322 /* The target's name, such as "clean" or "make.c" */ 323 char *name; 324 /* The unexpanded name of a .USE node */ 325 char *uname; 326 /* The full pathname of the file belonging to the target. 327 * XXX: What about .PHONY targets? These don't have an associated path. */ 328 char *path; 329 330 /* The type of operator used to define the sources (see the OP flags below). 331 * XXX: This looks like a wild mixture of type and flags. */ 332 GNodeType type; 333 GNodeFlags flags; 334 335 /* The state of processing on this node */ 336 GNodeMade made; 337 int unmade; /* The number of unmade children */ 338 339 /* The modification time; 0 means the node does not have a corresponding 340 * file; see Make_OODate. */ 341 time_t mtime; 342 struct GNode *youngestChild; 343 344 /* The GNodes for which this node is an implied source. May be empty. 345 * For example, when there is an inference rule for .c.o, the node for 346 * file.c has the node for file.o in this list. */ 347 GNodeList *implicitParents; 348 349 /* Other nodes of the same name, for the '::' operator. */ 350 GNodeList *cohorts; 351 352 /* The nodes that depend on this one, or in other words, the nodes for 353 * which this is a source. */ 354 GNodeList *parents; 355 /* The nodes on which this one depends. */ 356 GNodeList *children; 357 358 /* .ORDER nodes we need made. The nodes that must be made (if they're 359 * made) before this node can be made, but that do not enter into the 360 * datedness of this node. */ 361 GNodeList *order_pred; 362 /* .ORDER nodes who need us. The nodes that must be made (if they're made 363 * at all) after this node is made, but that do not depend on this node, 364 * in the normal sense. */ 365 GNodeList *order_succ; 366 367 /* The "#n" suffix for this cohort, or "" for other nodes */ 368 char cohort_num[8]; 369 /* The number of unmade instances on the cohorts list */ 370 int unmade_cohorts; 371 /* Pointer to the first instance of a '::' node; only set when on a 372 * cohorts list */ 373 struct GNode *centurion; 374 375 /* Last time (sequence number) we tried to make this node */ 376 unsigned int checked_seqno; 377 378 /* The "local" variables that are specific to this target and this target 379 * only, such as $@, $<, $?. 380 * 381 * Also used for the global variable scopes VAR_GLOBAL, VAR_CMDLINE, 382 * VAR_INTERNAL, which contain variables with arbitrary names. */ 383 HashTable /* of Var pointer */ context; 384 385 /* The commands to be given to a shell to create this target. */ 386 StringList *commands; 387 388 /* Suffix for the node (determined by Suff_FindDeps and opaque to everyone 389 * but the Suff module) */ 390 struct Suff *suffix; 391 392 /* filename where the GNode got defined */ 393 const char *fname; 394 /* line number where the GNode got defined */ 395 int lineno; 396 } GNode; 397 398 /* 399 * Error levels for parsing. PARSE_FATAL means the process cannot continue 400 * once the top-level makefile has been parsed. PARSE_WARNING and PARSE_INFO 401 * mean it can. 402 */ 403 typedef enum ParseErrorLevel { 404 PARSE_FATAL = 1, 405 PARSE_WARNING, 406 PARSE_INFO 407 } ParseErrorLevel; 408 409 /* 410 * Values returned by Cond_EvalLine and Cond_EvalCondition. 411 */ 412 typedef enum CondEvalResult { 413 COND_PARSE, /* Parse the next lines */ 414 COND_SKIP, /* Skip the next lines */ 415 COND_INVALID /* Not a conditional statement */ 416 } CondEvalResult; 417 418 /* 419 * Definitions for the "local" variables. Used only for clarity. 420 */ 421 #define TARGET "@" /* Target of dependency */ 422 #define OODATE "?" /* All out-of-date sources */ 423 #define ALLSRC ">" /* All sources */ 424 #define IMPSRC "<" /* Source implied by transformation */ 425 #define PREFIX "*" /* Common prefix */ 426 #define ARCHIVE "!" /* Archive in "archive(member)" syntax */ 427 #define MEMBER "%" /* Member in "archive(member)" syntax */ 428 429 #define FTARGET "@F" /* file part of TARGET */ 430 #define DTARGET "@D" /* directory part of TARGET */ 431 #define FIMPSRC "<F" /* file part of IMPSRC */ 432 #define DIMPSRC "<D" /* directory part of IMPSRC */ 433 #define FPREFIX "*F" /* file part of PREFIX */ 434 #define DPREFIX "*D" /* directory part of PREFIX */ 435 436 /* 437 * Global Variables 438 */ 439 extern SearchPath *dirSearchPath; 440 /* The list of directories to search when 441 * looking for targets */ 442 extern Boolean allPrecious; /* True if every target is precious */ 443 extern Boolean deleteOnError; /* True if failed targets should be deleted */ 444 extern Boolean doing_depend; /* TRUE if processing .depend */ 445 446 extern GNode *DEFAULT; /* .DEFAULT rule */ 447 448 extern GNode *VAR_INTERNAL; /* Variables defined internally by make 449 * which should not override those set by 450 * makefiles. 451 */ 452 extern GNode *VAR_GLOBAL; /* Variables defined in a global context, e.g 453 * in the Makefile itself */ 454 extern GNode *VAR_CMDLINE; /* Variables defined on the command line */ 455 extern char var_Error[]; /* Value returned by Var_Parse when an error 456 * is encountered. It actually points to 457 * an empty string, so naive callers needn't 458 * worry about it. */ 459 460 extern time_t now; /* The time at the start of this whole 461 * process */ 462 463 extern Boolean oldVars; /* Do old-style variable substitution */ 464 465 extern SearchPath *sysIncPath; /* The system include path. */ 466 extern SearchPath *defSysIncPath; /* The default system include path. */ 467 468 extern char curdir[]; /* Startup directory */ 469 extern char *progname; /* The program name */ 470 extern char *makeDependfile; /* .depend */ 471 extern char **savedEnv; /* if we replaced environ this will be non-NULL */ 472 473 extern int makelevel; 474 475 /* 476 * We cannot vfork() in a child of vfork(). 477 * Most systems do not enforce this but some do. 478 */ 479 #define vFork() ((getpid() == myPid) ? vfork() : fork()) 480 extern pid_t myPid; 481 482 #define MAKEFLAGS ".MAKEFLAGS" 483 #define MAKEOVERRIDES ".MAKEOVERRIDES" 484 #define MAKE_JOB_PREFIX ".MAKE.JOB.PREFIX" /* prefix for job target output */ 485 #define MAKE_EXPORTED ".MAKE.EXPORTED" /* variables we export */ 486 #define MAKE_MAKEFILES ".MAKE.MAKEFILES" /* all makefiles already loaded */ 487 #define MAKE_LEVEL ".MAKE.LEVEL" /* recursion level */ 488 #define MAKEFILE_PREFERENCE ".MAKE.MAKEFILE_PREFERENCE" 489 #define MAKE_DEPENDFILE ".MAKE.DEPENDFILE" /* .depend */ 490 #define MAKE_MODE ".MAKE.MODE" 491 #ifndef MAKE_LEVEL_ENV 492 # define MAKE_LEVEL_ENV "MAKELEVEL" 493 #endif 494 495 typedef enum DebugFlags { 496 DEBUG_ARCH = 1 << 0, 497 DEBUG_COND = 1 << 1, 498 DEBUG_DIR = 1 << 2, 499 DEBUG_GRAPH1 = 1 << 3, 500 DEBUG_GRAPH2 = 1 << 4, 501 DEBUG_JOB = 1 << 5, 502 DEBUG_MAKE = 1 << 6, 503 DEBUG_SUFF = 1 << 7, 504 DEBUG_TARG = 1 << 8, 505 DEBUG_VAR = 1 << 9, 506 DEBUG_FOR = 1 << 10, 507 DEBUG_SHELL = 1 << 11, 508 DEBUG_ERROR = 1 << 12, 509 DEBUG_LOUD = 1 << 13, 510 DEBUG_META = 1 << 14, 511 DEBUG_HASH = 1 << 15, 512 513 DEBUG_GRAPH3 = 1 << 16, 514 DEBUG_SCRIPT = 1 << 17, 515 DEBUG_PARSE = 1 << 18, 516 DEBUG_CWD = 1 << 19, 517 518 DEBUG_LINT = 1 << 20 519 } DebugFlags; 520 521 #define CONCAT(a,b) a##b 522 523 #define DEBUG(module) (opts.debug & CONCAT(DEBUG_,module)) 524 525 void debug_printf(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 526 527 #define DEBUG0(module, text) \ 528 if (!DEBUG(module)) (void)0; \ 529 else debug_printf("%s", text) 530 531 #define DEBUG1(module, fmt, arg1) \ 532 if (!DEBUG(module)) (void)0; \ 533 else debug_printf(fmt, arg1) 534 535 #define DEBUG2(module, fmt, arg1, arg2) \ 536 if (!DEBUG(module)) (void)0; \ 537 else debug_printf(fmt, arg1, arg2) 538 539 #define DEBUG3(module, fmt, arg1, arg2, arg3) \ 540 if (!DEBUG(module)) (void)0; \ 541 else debug_printf(fmt, arg1, arg2, arg3) 542 543 #define DEBUG4(module, fmt, arg1, arg2, arg3, arg4) \ 544 if (!DEBUG(module)) (void)0; \ 545 else debug_printf(fmt, arg1, arg2, arg3, arg4) 546 547 #define DEBUG5(module, fmt, arg1, arg2, arg3, arg4, arg5) \ 548 if (!DEBUG(module)) (void)0; \ 549 else debug_printf(fmt, arg1, arg2, arg3, arg4, arg5) 550 551 typedef enum PrintVarsMode { 552 COMPAT_VARS = 1, 553 EXPAND_VARS 554 } PrintVarsMode; 555 556 /* Command line options */ 557 typedef struct CmdOpts { 558 /* -B: whether we are make compatible */ 559 Boolean compatMake; 560 561 /* -d: debug control: There is one bit per module. It is up to the 562 * module what debug information to print. */ 563 DebugFlags debug; 564 565 /* -df: debug output is written here - default stderr */ 566 FILE *debug_file; 567 568 /* -dV: for the -V option, print unexpanded variable values */ 569 Boolean debugVflag; 570 571 /* -e: check environment variables before global variables */ 572 Boolean checkEnvFirst; 573 574 /* -f: the makefiles to read */ 575 StringList *makefiles; 576 577 /* -i: if true, ignore all errors from shell commands */ 578 Boolean ignoreErrors; 579 580 /* -j: the maximum number of jobs that can run in parallel; 581 * this is coordinated with the submakes */ 582 int maxJobs; 583 584 /* -k: if true, continue on unaffected portions of the graph when an 585 * error occurs in one portion */ 586 Boolean keepgoing; 587 588 /* -N: execute no commands from the targets */ 589 Boolean noRecursiveExecute; 590 591 /* -n: execute almost no commands from the targets */ 592 Boolean noExecute; 593 594 /* -q: if true, we aren't supposed to really make anything, just see if 595 * the targets are out-of-date */ 596 Boolean queryFlag; 597 598 /* -r: raw mode, without loading the builtin rules. */ 599 Boolean noBuiltins; 600 601 /* -s: don't echo the shell commands before executing them */ 602 Boolean beSilent; 603 604 /* -t: touch the targets if they are out-of-date, but don't actually 605 * make them */ 606 Boolean touchFlag; 607 608 /* -[Vv]: print expanded or unexpanded selected variables */ 609 PrintVarsMode printVars; 610 /* -[Vv]: the variables to print */ 611 StringList *variables; 612 613 /* -W: if true, makefile parsing warnings are treated as errors */ 614 Boolean parseWarnFatal; 615 616 /* -w: print Entering and Leaving for submakes */ 617 Boolean enterFlag; 618 619 /* -X: if true, do not export variables set on the command line to the 620 * environment. */ 621 Boolean varNoExportEnv; 622 623 /* The target names specified on the command line. 624 * Used to resolve .if make(...) statements. */ 625 StringList *create; 626 627 } CmdOpts; 628 629 extern CmdOpts opts; 630 631 #include "nonints.h" 632 633 void Make_TimeStamp(GNode *, GNode *); 634 Boolean Make_OODate(GNode *); 635 void Make_ExpandUse(GNodeList *); 636 time_t Make_Recheck(GNode *); 637 void Make_HandleUse(GNode *, GNode *); 638 void Make_Update(GNode *); 639 void Make_DoAllVar(GNode *); 640 Boolean Make_Run(GNodeList *); 641 int dieQuietly(GNode *, int); 642 void PrintOnError(GNode *, const char *); 643 void Main_ExportMAKEFLAGS(Boolean); 644 Boolean Main_SetObjdir(const char *, ...) MAKE_ATTR_PRINTFLIKE(1, 2); 645 int mkTempFile(const char *, char **); 646 int str2Lst_Append(StringList *, char *, const char *); 647 void GNode_FprintDetails(FILE *, const char *, const GNode *, const char *); 648 Boolean GNode_ShouldExecute(GNode *gn); 649 650 /* See if the node was seen on the left-hand side of a dependency operator. */ 651 static MAKE_ATTR_UNUSED Boolean 652 GNode_IsTarget(const GNode *gn) 653 { 654 return (gn->type & OP_OPMASK) != 0; 655 } 656 657 static MAKE_ATTR_UNUSED const char * 658 GNode_Path(const GNode *gn) 659 { 660 return gn->path != NULL ? gn->path : gn->name; 661 } 662 663 static MAKE_ATTR_UNUSED const char * 664 GNode_VarTarget(GNode *gn) { return Var_ValueDirect(TARGET, gn); } 665 static MAKE_ATTR_UNUSED const char * 666 GNode_VarOodate(GNode *gn) { return Var_ValueDirect(OODATE, gn); } 667 static MAKE_ATTR_UNUSED const char * 668 GNode_VarAllsrc(GNode *gn) { return Var_ValueDirect(ALLSRC, gn); } 669 static MAKE_ATTR_UNUSED const char * 670 GNode_VarImpsrc(GNode *gn) { return Var_ValueDirect(IMPSRC, gn); } 671 static MAKE_ATTR_UNUSED const char * 672 GNode_VarPrefix(GNode *gn) { return Var_ValueDirect(PREFIX, gn); } 673 static MAKE_ATTR_UNUSED const char * 674 GNode_VarArchive(GNode *gn) { return Var_ValueDirect(ARCHIVE, gn); } 675 static MAKE_ATTR_UNUSED const char * 676 GNode_VarMember(GNode *gn) { return Var_ValueDirect(MEMBER, gn); } 677 678 #ifdef __GNUC__ 679 #define UNCONST(ptr) ({ \ 680 union __unconst { \ 681 const void *__cp; \ 682 void *__p; \ 683 } __d; \ 684 __d.__cp = ptr, __d.__p; }) 685 #else 686 #define UNCONST(ptr) (void *)(ptr) 687 #endif 688 689 /* At least GNU/Hurd systems lack hardcoded MAXPATHLEN/PATH_MAX */ 690 #ifdef HAVE_LIMITS_H 691 #include <limits.h> 692 #endif 693 #ifndef MAXPATHLEN 694 #define MAXPATHLEN BMAKE_PATH_MAX 695 #endif 696 #ifndef PATH_MAX 697 #define PATH_MAX MAXPATHLEN 698 #endif 699 700 #if defined(SYSV) 701 #define KILLPG(pid, sig) kill(-(pid), (sig)) 702 #else 703 #define KILLPG(pid, sig) killpg((pid), (sig)) 704 #endif 705 706 static inline MAKE_ATTR_UNUSED Boolean ch_isalnum(char ch) 707 { return isalnum((unsigned char)ch) != 0; } 708 static inline MAKE_ATTR_UNUSED Boolean ch_isalpha(char ch) 709 { return isalpha((unsigned char)ch) != 0; } 710 static inline MAKE_ATTR_UNUSED Boolean ch_isdigit(char ch) 711 { return isdigit((unsigned char)ch) != 0; } 712 static inline MAKE_ATTR_UNUSED Boolean ch_isspace(char ch) 713 { return isspace((unsigned char)ch) != 0; } 714 static inline MAKE_ATTR_UNUSED Boolean ch_isupper(char ch) 715 { return isupper((unsigned char)ch) != 0; } 716 static inline MAKE_ATTR_UNUSED char ch_tolower(char ch) 717 { return (char)tolower((unsigned char)ch); } 718 static inline MAKE_ATTR_UNUSED char ch_toupper(char ch) 719 { return (char)toupper((unsigned char)ch); } 720 721 static inline MAKE_ATTR_UNUSED void 722 cpp_skip_whitespace(const char **pp) 723 { 724 while (ch_isspace(**pp)) 725 (*pp)++; 726 } 727 728 static inline MAKE_ATTR_UNUSED void 729 pp_skip_whitespace(char **pp) 730 { 731 while (ch_isspace(**pp)) 732 (*pp)++; 733 } 734 735 #ifdef MAKE_NATIVE 736 # include <sys/cdefs.h> 737 # ifndef lint 738 # define MAKE_RCSID(id) __RCSID(id) 739 # endif 740 #else 741 # define MAKE_RCSID(id) static volatile char rcsid[] = id 742 #endif 743 744 #endif /* MAKE_MAKE_H */ 745