compat.c revision 1.225
1 /* $NetBSD: compat.c,v 1.225 2021/04/03 11:08:40 rillig Exp $ */ 2 3 /* 4 * Copyright (c) 1988, 1989, 1990 The Regents of the University of California. 5 * 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 35 /* 36 * Copyright (c) 1988, 1989 by Adam de Boor 37 * Copyright (c) 1989 by Berkeley Softworks 38 * All rights reserved. 39 * 40 * This code is derived from software contributed to Berkeley by 41 * Adam de Boor. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 */ 71 72 /* 73 * compat.c -- 74 * The routines in this file implement the full-compatibility 75 * mode of PMake. Most of the special functionality of PMake 76 * is available in this mode. Things not supported: 77 * - different shells. 78 * - friendly variable substitution. 79 * 80 * Interface: 81 * Compat_Run Initialize things for this module and recreate 82 * thems as need creatin' 83 */ 84 85 #include <sys/types.h> 86 #include <sys/stat.h> 87 #include <sys/wait.h> 88 89 #include <errno.h> 90 #include <signal.h> 91 92 #include "make.h" 93 #include "dir.h" 94 #include "job.h" 95 #include "metachar.h" 96 #include "pathnames.h" 97 98 /* "@(#)compat.c 8.2 (Berkeley) 3/19/94" */ 99 MAKE_RCSID("$NetBSD: compat.c,v 1.225 2021/04/03 11:08:40 rillig Exp $"); 100 101 static GNode *curTarg = NULL; 102 static pid_t compatChild; 103 static int compatSigno; 104 105 /* 106 * CompatDeleteTarget -- delete the file of a failed, interrupted, or 107 * otherwise duffed target if not inhibited by .PRECIOUS. 108 */ 109 static void 110 CompatDeleteTarget(GNode *gn) 111 { 112 if (gn != NULL && !Targ_Precious(gn)) { 113 const char *file = GNode_VarTarget(gn); 114 115 if (!opts.noExecute && eunlink(file) != -1) { 116 Error("*** %s removed", file); 117 } 118 } 119 } 120 121 /* 122 * Interrupt the creation of the current target and remove it if it ain't 123 * precious. Then exit. 124 * 125 * If .INTERRUPT exists, its commands are run first WITH INTERRUPTS IGNORED. 126 * 127 * XXX: is .PRECIOUS supposed to inhibit .INTERRUPT? I doubt it, but I've 128 * left the logic alone for now. - dholland 20160826 129 */ 130 static void 131 CompatInterrupt(int signo) 132 { 133 CompatDeleteTarget(curTarg); 134 135 if (curTarg != NULL && !Targ_Precious(curTarg)) { 136 /* 137 * Run .INTERRUPT only if hit with interrupt signal 138 */ 139 if (signo == SIGINT) { 140 GNode *gn = Targ_FindNode(".INTERRUPT"); 141 if (gn != NULL) { 142 Compat_Make(gn, gn); 143 } 144 } 145 } 146 147 if (signo == SIGQUIT) 148 _exit(signo); 149 150 /* 151 * If there is a child running, pass the signal on. 152 * We will exist after it has exited. 153 */ 154 compatSigno = signo; 155 if (compatChild > 0) { 156 KILLPG(compatChild, signo); 157 } else { 158 bmake_signal(signo, SIG_DFL); 159 kill(myPid, signo); 160 } 161 } 162 163 static void 164 DebugFailedTarget(const char *cmd, GNode *gn) 165 { 166 const char *p = cmd; 167 debug_printf("\n*** Failed target: %s\n*** Failed command: ", 168 gn->name); 169 170 /* Replace runs of whitespace with a single space, to reduce 171 * the amount of whitespace for multi-line command lines. */ 172 while (*p != '\0') { 173 if (ch_isspace(*p)) { 174 debug_printf(" "); 175 cpp_skip_whitespace(&p); 176 } else { 177 debug_printf("%c", *p); 178 p++; 179 } 180 } 181 debug_printf("\n"); 182 } 183 184 static bool 185 UseShell(const char *cmd MAKE_ATTR_UNUSED) 186 { 187 #if !defined(MAKE_NATIVE) 188 /* 189 * In a non-native build, the host environment might be weird enough 190 * that it's necessary to go through a shell to get the correct 191 * behaviour. Or perhaps the shell has been replaced with something 192 * that does extra logging, and that should not be bypassed. 193 */ 194 return true; 195 #else 196 /* 197 * Search for meta characters in the command. If there are no meta 198 * characters, there's no need to execute a shell to execute the 199 * command. 200 * 201 * Additionally variable assignments and empty commands 202 * go to the shell. Therefore treat '=' and ':' like shell 203 * meta characters as documented in make(1). 204 */ 205 206 return needshell(cmd); 207 #endif 208 } 209 210 /* 211 * Execute the next command for a target. If the command returns an error, 212 * the node's made field is set to ERROR and creation stops. 213 * 214 * Input: 215 * cmdp Command to execute 216 * gn Node from which the command came 217 * ln List node that contains the command 218 * 219 * Results: 220 * 0 if the command succeeded, 1 if an error occurred. 221 */ 222 int 223 Compat_RunCommand(const char *cmdp, GNode *gn, StringListNode *ln) 224 { 225 char *cmdStart; /* Start of expanded command */ 226 char *bp; 227 bool silent; /* Don't print command */ 228 bool doIt; /* Execute even if -n */ 229 volatile bool errCheck; /* Check errors */ 230 int reason; /* Reason for child's death */ 231 int status; /* Description of child's death */ 232 pid_t cpid; /* Child actually found */ 233 pid_t retstat; /* Result of wait */ 234 const char **volatile av; /* Argument vector for thing to exec */ 235 char **volatile mav; /* Copy of the argument vector for freeing */ 236 bool useShell; /* True if command should be executed 237 * using a shell */ 238 const char *volatile cmd = cmdp; 239 240 silent = (gn->type & OP_SILENT) != 0; 241 errCheck = !(gn->type & OP_IGNORE); 242 doIt = false; 243 244 (void)Var_Subst(cmd, gn, VARE_WANTRES, &cmdStart); 245 /* TODO: handle errors */ 246 247 if (cmdStart[0] == '\0') { 248 free(cmdStart); 249 return 0; 250 } 251 cmd = cmdStart; 252 LstNode_Set(ln, cmdStart); 253 254 if (gn->type & OP_SAVE_CMDS) { 255 GNode *endNode = Targ_GetEndNode(); 256 if (gn != endNode) { 257 /* 258 * Append the expanded command, to prevent the 259 * local variables from being interpreted in the 260 * scope of the .END node. 261 * 262 * A probably unintended side effect of this is that 263 * the expanded command will be expanded again in the 264 * .END node. Therefore, a literal '$' in these 265 * commands must be written as '$$$$' instead of the 266 * usual '$$'. 267 */ 268 Lst_Append(&endNode->commands, cmdStart); 269 return 0; 270 } 271 } 272 if (strcmp(cmdStart, "...") == 0) { 273 gn->type |= OP_SAVE_CMDS; 274 return 0; 275 } 276 277 for (;;) { 278 if (*cmd == '@') 279 silent = !DEBUG(LOUD); 280 else if (*cmd == '-') 281 errCheck = false; 282 else if (*cmd == '+') { 283 doIt = true; 284 if (shellName == NULL) /* we came here from jobs */ 285 Shell_Init(); 286 } else 287 break; 288 cmd++; 289 } 290 291 while (ch_isspace(*cmd)) 292 cmd++; 293 294 /* 295 * If we did not end up with a command, just skip it. 296 */ 297 if (cmd[0] == '\0') 298 return 0; 299 300 useShell = UseShell(cmd); 301 /* 302 * Print the command before echoing if we're not supposed to be quiet 303 * for this one. We also print the command if -n given. 304 */ 305 if (!silent || !GNode_ShouldExecute(gn)) { 306 printf("%s\n", cmd); 307 fflush(stdout); 308 } 309 310 /* 311 * If we're not supposed to execute any commands, this is as far as 312 * we go... 313 */ 314 if (!doIt && !GNode_ShouldExecute(gn)) 315 return 0; 316 317 DEBUG1(JOB, "Execute: '%s'\n", cmd); 318 319 if (useShell) { 320 /* 321 * We need to pass the command off to the shell, typically 322 * because the command contains a "meta" character. 323 */ 324 static const char *shargv[5]; 325 326 /* The following work for any of the builtin shell specs. */ 327 int shargc = 0; 328 shargv[shargc++] = shellPath; 329 if (errCheck && shellErrFlag != NULL) 330 shargv[shargc++] = shellErrFlag; 331 shargv[shargc++] = DEBUG(SHELL) ? "-xc" : "-c"; 332 shargv[shargc++] = cmd; 333 shargv[shargc] = NULL; 334 av = shargv; 335 bp = NULL; 336 mav = NULL; 337 } else { 338 /* 339 * No meta-characters, so no need to exec a shell. Break the 340 * command into words to form an argument vector we can 341 * execute. 342 */ 343 Words words = Str_Words(cmd, false); 344 mav = words.words; 345 bp = words.freeIt; 346 av = (void *)mav; 347 } 348 349 #ifdef USE_META 350 if (useMeta) { 351 meta_compat_start(); 352 } 353 #endif 354 355 Var_ReexportVars(); 356 357 /* 358 * Fork and execute the single command. If the fork fails, we abort. 359 */ 360 compatChild = cpid = vfork(); 361 if (cpid < 0) { 362 Fatal("Could not fork"); 363 } 364 if (cpid == 0) { 365 #ifdef USE_META 366 if (useMeta) { 367 meta_compat_child(); 368 } 369 #endif 370 (void)execvp(av[0], (char *const *)UNCONST(av)); 371 execDie("exec", av[0]); 372 } 373 374 free(mav); 375 free(bp); 376 377 /* XXX: Memory management looks suspicious here. */ 378 /* XXX: Setting a list item to NULL is unexpected. */ 379 LstNode_SetNull(ln); 380 381 #ifdef USE_META 382 if (useMeta) { 383 meta_compat_parent(cpid); 384 } 385 #endif 386 387 /* 388 * The child is off and running. Now all we can do is wait... 389 */ 390 while ((retstat = wait(&reason)) != cpid) { 391 if (retstat > 0) 392 JobReapChild(retstat, reason, false); /* not ours? */ 393 if (retstat == -1 && errno != EINTR) { 394 break; 395 } 396 } 397 398 if (retstat < 0) 399 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 400 401 if (WIFSTOPPED(reason)) { 402 status = WSTOPSIG(reason); /* stopped */ 403 } else if (WIFEXITED(reason)) { 404 status = WEXITSTATUS(reason); /* exited */ 405 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 406 if (useMeta) { 407 meta_cmd_finish(NULL); 408 } 409 #endif 410 if (status != 0) { 411 if (DEBUG(ERROR)) 412 DebugFailedTarget(cmd, gn); 413 printf("*** Error code %d", status); 414 } 415 } else { 416 status = WTERMSIG(reason); /* signaled */ 417 printf("*** Signal %d", status); 418 } 419 420 421 if (!WIFEXITED(reason) || status != 0) { 422 if (errCheck) { 423 #ifdef USE_META 424 if (useMeta) { 425 meta_job_error(NULL, gn, false, status); 426 } 427 #endif 428 gn->made = ERROR; 429 if (opts.keepgoing) { 430 /* 431 * Abort the current target, 432 * but let others continue. 433 */ 434 printf(" (continuing)\n"); 435 } else { 436 printf("\n"); 437 } 438 if (deleteOnError) 439 CompatDeleteTarget(gn); 440 } else { 441 /* 442 * Continue executing commands for this target. 443 * If we return 0, this will happen... 444 */ 445 printf(" (ignored)\n"); 446 status = 0; 447 } 448 } 449 450 free(cmdStart); 451 compatChild = 0; 452 if (compatSigno != 0) { 453 bmake_signal(compatSigno, SIG_DFL); 454 kill(myPid, compatSigno); 455 } 456 457 return status; 458 } 459 460 static void 461 RunCommands(GNode *gn) 462 { 463 StringListNode *ln; 464 465 for (ln = gn->commands.first; ln != NULL; ln = ln->next) { 466 const char *cmd = ln->datum; 467 if (Compat_RunCommand(cmd, gn, ln) != 0) 468 break; 469 } 470 } 471 472 static void 473 MakeNodes(GNodeList *gnodes, GNode *pgn) 474 { 475 GNodeListNode *ln; 476 477 for (ln = gnodes->first; ln != NULL; ln = ln->next) { 478 GNode *cohort = ln->datum; 479 Compat_Make(cohort, pgn); 480 } 481 } 482 483 static bool 484 MakeUnmade(GNode *gn, GNode *pgn) 485 { 486 487 assert(gn->made == UNMADE); 488 489 /* 490 * First mark ourselves to be made, then apply whatever transformations 491 * the suffix module thinks are necessary. Once that's done, we can 492 * descend and make all our children. If any of them has an error 493 * but the -k flag was given, our 'make' field will be set to false 494 * again. This is our signal to not attempt to do anything but abort 495 * our parent as well. 496 */ 497 gn->flags |= REMAKE; 498 gn->made = BEINGMADE; 499 500 if (!(gn->type & OP_MADE)) 501 Suff_FindDeps(gn); 502 503 MakeNodes(&gn->children, gn); 504 505 if (!(gn->flags & REMAKE)) { 506 gn->made = ABORTED; 507 pgn->flags &= ~(unsigned)REMAKE; 508 return false; 509 } 510 511 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) 512 Var_Set(pgn, IMPSRC, GNode_VarTarget(gn)); 513 514 /* 515 * All the children were made ok. Now youngestChild->mtime contains the 516 * modification time of the newest child, we need to find out if we 517 * exist and when we were modified last. The criteria for datedness 518 * are defined by GNode_IsOODate. 519 */ 520 DEBUG1(MAKE, "Examining %s...", gn->name); 521 if (!GNode_IsOODate(gn)) { 522 gn->made = UPTODATE; 523 DEBUG0(MAKE, "up-to-date.\n"); 524 return false; 525 } 526 527 /* 528 * If the user is just seeing if something is out-of-date, exit now 529 * to tell him/her "yes". 530 */ 531 DEBUG0(MAKE, "out-of-date.\n"); 532 if (opts.queryFlag) 533 exit(1); 534 535 /* 536 * We need to be re-made. 537 * Ensure that $? (.OODATE) and $> (.ALLSRC) are both set. 538 */ 539 Make_DoAllVar(gn); 540 541 /* 542 * Alter our type to tell if errors should be ignored or things 543 * should not be printed so Compat_RunCommand knows what to do. 544 */ 545 if (opts.ignoreErrors) 546 gn->type |= OP_IGNORE; 547 if (opts.beSilent) 548 gn->type |= OP_SILENT; 549 550 if (Job_CheckCommands(gn, Fatal)) { 551 /* 552 * Our commands are ok, but we still have to worry about 553 * the -t flag. 554 */ 555 if (!opts.touchFlag || (gn->type & OP_MAKE)) { 556 curTarg = gn; 557 #ifdef USE_META 558 if (useMeta && GNode_ShouldExecute(gn)) { 559 meta_job_start(NULL, gn); 560 } 561 #endif 562 RunCommands(gn); 563 curTarg = NULL; 564 } else { 565 Job_Touch(gn, (gn->type & OP_SILENT) != 0); 566 } 567 } else { 568 gn->made = ERROR; 569 } 570 #ifdef USE_META 571 if (useMeta && GNode_ShouldExecute(gn)) { 572 if (meta_job_finish(NULL) != 0) 573 gn->made = ERROR; 574 } 575 #endif 576 577 if (gn->made != ERROR) { 578 /* 579 * If the node was made successfully, mark it so, update 580 * its modification time and timestamp all its parents. 581 * This is to keep its state from affecting that of its parent. 582 */ 583 gn->made = MADE; 584 if (Make_Recheck(gn) == 0) 585 pgn->flags |= FORCE; 586 if (!(gn->type & OP_EXEC)) { 587 pgn->flags |= CHILDMADE; 588 GNode_UpdateYoungestChild(pgn, gn); 589 } 590 } else if (opts.keepgoing) { 591 pgn->flags &= ~(unsigned)REMAKE; 592 } else { 593 PrintOnError(gn, "\nStop."); 594 exit(1); 595 } 596 return true; 597 } 598 599 static void 600 MakeOther(GNode *gn, GNode *pgn) 601 { 602 603 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) { 604 const char *target = GNode_VarTarget(gn); 605 Var_Set(pgn, IMPSRC, target != NULL ? target : ""); 606 } 607 608 switch (gn->made) { 609 case BEINGMADE: 610 Error("Graph cycles through %s", gn->name); 611 gn->made = ERROR; 612 pgn->flags &= ~(unsigned)REMAKE; 613 break; 614 case MADE: 615 if (!(gn->type & OP_EXEC)) { 616 pgn->flags |= CHILDMADE; 617 GNode_UpdateYoungestChild(pgn, gn); 618 } 619 break; 620 case UPTODATE: 621 if (!(gn->type & OP_EXEC)) 622 GNode_UpdateYoungestChild(pgn, gn); 623 break; 624 default: 625 break; 626 } 627 } 628 629 /* 630 * Make a target. 631 * 632 * If an error is detected and not being ignored, the process exits. 633 * 634 * Input: 635 * gn The node to make 636 * pgn Parent to abort if necessary 637 * 638 * Output: 639 * gn->made 640 * UPTODATE gn was already up-to-date. 641 * MADE gn was recreated successfully. 642 * ERROR An error occurred while gn was being created, 643 * either due to missing commands or in -k mode. 644 * ABORTED gn was not remade because one of its 645 * dependencies could not be made due to errors. 646 */ 647 void 648 Compat_Make(GNode *gn, GNode *pgn) 649 { 650 if (shellName == NULL) /* we came here from jobs */ 651 Shell_Init(); 652 653 if (gn->made == UNMADE && (gn == pgn || !(pgn->type & OP_MADE))) { 654 if (!MakeUnmade(gn, pgn)) 655 goto cohorts; 656 657 /* XXX: Replace with GNode_IsError(gn) */ 658 } else if (gn->made == ERROR) { 659 /* 660 * Already had an error when making this. 661 * Tell the parent to abort. 662 */ 663 pgn->flags &= ~(unsigned)REMAKE; 664 } else { 665 MakeOther(gn, pgn); 666 } 667 668 cohorts: 669 MakeNodes(&gn->cohorts, pgn); 670 } 671 672 static void 673 MakeBeginNode(void) 674 { 675 GNode *gn = Targ_FindNode(".BEGIN"); 676 if (gn == NULL) 677 return; 678 679 Compat_Make(gn, gn); 680 if (GNode_IsError(gn)) { 681 PrintOnError(gn, "\nStop."); 682 exit(1); 683 } 684 } 685 686 static void 687 InitSignals(void) 688 { 689 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) 690 bmake_signal(SIGINT, CompatInterrupt); 691 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) 692 bmake_signal(SIGTERM, CompatInterrupt); 693 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) 694 bmake_signal(SIGHUP, CompatInterrupt); 695 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) 696 bmake_signal(SIGQUIT, CompatInterrupt); 697 } 698 699 /* 700 * Initialize this module and start making. 701 * 702 * Input: 703 * targs The target nodes to re-create 704 */ 705 void 706 Compat_Run(GNodeList *targs) 707 { 708 GNode *errorNode = NULL; 709 710 if (shellName == NULL) 711 Shell_Init(); 712 713 InitSignals(); 714 715 /* Create the .END node now, to keep the (debug) output of the 716 * counter.mk test the same as before 2020-09-23. This implementation 717 * detail probably doesn't matter though. */ 718 (void)Targ_GetEndNode(); 719 720 if (!opts.queryFlag) 721 MakeBeginNode(); 722 723 /* 724 * Expand .USE nodes right now, because they can modify the structure 725 * of the tree. 726 */ 727 Make_ExpandUse(targs); 728 729 while (!Lst_IsEmpty(targs)) { 730 GNode *gn = Lst_Dequeue(targs); 731 Compat_Make(gn, gn); 732 733 if (gn->made == UPTODATE) { 734 printf("`%s' is up to date.\n", gn->name); 735 } else if (gn->made == ABORTED) { 736 printf("`%s' not remade because of errors.\n", 737 gn->name); 738 } 739 if (GNode_IsError(gn) && errorNode == NULL) 740 errorNode = gn; 741 } 742 743 /* If the user has defined a .END target, run its commands. */ 744 if (errorNode == NULL) { 745 GNode *endNode = Targ_GetEndNode(); 746 Compat_Make(endNode, endNode); 747 if (GNode_IsError(endNode)) 748 errorNode = endNode; 749 } 750 751 if (errorNode != NULL) { 752 if (DEBUG(GRAPH2)) 753 Targ_PrintGraph(2); 754 else if (DEBUG(GRAPH3)) 755 Targ_PrintGraph(3); 756 PrintOnError(errorNode, "\nStop."); 757 exit(1); 758 } 759 } 760
Indexes created Mon Sep 22 13:09:51 GMT 2025