1 /* $NetBSD: compat.c,v 1.258 2024/06/02 15:31:25 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 * This file implements the full-compatibility mode of make, which makes the 74 * targets without parallelism and without a custom shell. 75 * 76 * Interface: 77 * Compat_MakeAll Initialize this module and make the given targets. 78 */ 79 80 #include <sys/types.h> 81 #include <sys/stat.h> 82 #include <sys/wait.h> 83 84 #include <errno.h> 85 #include <signal.h> 86 87 #include "make.h" 88 #include "dir.h" 89 #include "job.h" 90 #include "metachar.h" 91 #include "pathnames.h" 92 93 /* "@(#)compat.c 8.2 (Berkeley) 3/19/94" */ 94 MAKE_RCSID("$NetBSD: compat.c,v 1.258 2024/06/02 15:31:25 rillig Exp $"); 95 96 static GNode *curTarg = NULL; 97 static pid_t compatChild; 98 static int compatSigno; 99 100 /* 101 * Delete the file of a failed, interrupted, or otherwise duffed target, 102 * unless inhibited by .PRECIOUS. 103 */ 104 static void 105 CompatDeleteTarget(GNode *gn) 106 { 107 if (gn != NULL && !GNode_IsPrecious(gn) && 108 (gn->type & OP_PHONY) == 0) { 109 const char *file = GNode_VarTarget(gn); 110 if (!opts.noExecute && unlink_file(file) == 0) 111 Error("*** %s removed", file); 112 } 113 } 114 115 /* 116 * Interrupt the creation of the current target and remove it if it ain't 117 * precious. Then exit. 118 * 119 * If .INTERRUPT exists, its commands are run first WITH INTERRUPTS IGNORED. 120 * 121 * XXX: is .PRECIOUS supposed to inhibit .INTERRUPT? I doubt it, but I've 122 * left the logic alone for now. - dholland 20160826 123 */ 124 static void 125 CompatInterrupt(int signo) 126 { 127 CompatDeleteTarget(curTarg); 128 129 if (curTarg != NULL && !GNode_IsPrecious(curTarg)) { 130 /* Run .INTERRUPT only if hit with interrupt signal. */ 131 if (signo == SIGINT) { 132 GNode *gn = Targ_FindNode(".INTERRUPT"); 133 if (gn != NULL) 134 Compat_Make(gn, gn); 135 } 136 } 137 138 if (signo == SIGQUIT) 139 _exit(signo); 140 141 /* 142 * If there is a child running, pass the signal on. 143 * We will exist after it has exited. 144 */ 145 compatSigno = signo; 146 if (compatChild > 0) { 147 KILLPG(compatChild, signo); 148 } else { 149 bmake_signal(signo, SIG_DFL); 150 kill(myPid, signo); 151 } 152 } 153 154 static void 155 DebugFailedTarget(const char *cmd, const GNode *gn) 156 { 157 const char *p = cmd; 158 debug_printf("\n*** Failed target: %s\n*** Failed command: ", 159 gn->name); 160 161 /* 162 * Replace runs of whitespace with a single space, to reduce the 163 * amount of whitespace for multi-line command lines. 164 */ 165 while (*p != '\0') { 166 if (ch_isspace(*p)) { 167 debug_printf(" "); 168 cpp_skip_whitespace(&p); 169 } else { 170 debug_printf("%c", *p); 171 p++; 172 } 173 } 174 debug_printf("\n"); 175 } 176 177 static bool 178 UseShell(const char *cmd MAKE_ATTR_UNUSED) 179 { 180 #if !defined(MAKE_NATIVE) 181 /* 182 * In a non-native build, the host environment might be weird enough 183 * that it's necessary to go through a shell to get the correct 184 * behaviour. Or perhaps the shell has been replaced with something 185 * that does extra logging, and that should not be bypassed. 186 */ 187 return true; 188 #else 189 /* 190 * Search for meta characters in the command. If there are no meta 191 * characters, there's no need to execute a shell to execute the 192 * command. 193 * 194 * Additionally variable assignments and empty commands 195 * go to the shell. Therefore treat '=' and ':' like shell 196 * meta characters as documented in make(1). 197 */ 198 199 return needshell(cmd); 200 #endif 201 } 202 203 static int 204 Compat_Spawn(const char **av) 205 { 206 int pid = vfork(); 207 if (pid < 0) 208 Fatal("Could not fork"); 209 210 if (pid == 0) { 211 #ifdef USE_META 212 if (useMeta) 213 meta_compat_child(); 214 #endif 215 (void)execvp(av[0], (char *const *)UNCONST(av)); 216 execDie("exec", av[0]); 217 } 218 return pid; 219 } 220 221 /* 222 * Execute the next command for a target. If the command returns an error, 223 * the node's made field is set to ERROR and creation stops. 224 * 225 * Input: 226 * cmdp Command to execute 227 * gn Node from which the command came 228 * ln List node that contains the command 229 * 230 * Results: 231 * true if the command succeeded. 232 */ 233 bool 234 Compat_RunCommand(const char *cmdp, GNode *gn, StringListNode *ln) 235 { 236 char *cmdStart; /* Start of expanded command */ 237 char *volatile bp; 238 bool silent; /* Don't print command */ 239 bool doIt; /* Execute even if -n */ 240 volatile bool errCheck; /* Check errors */ 241 int reason; /* Reason for child's death */ 242 int status; /* Description of child's death */ 243 pid_t retstat; /* Result of wait */ 244 const char **av; /* Arguments for the child process */ 245 char **volatile mav; /* Copy of the argument vector for freeing */ 246 bool useShell; /* True if command should be executed using a 247 * shell */ 248 const char *cmd = cmdp; 249 250 silent = (gn->type & OP_SILENT) != OP_NONE; 251 errCheck = !(gn->type & OP_IGNORE); 252 doIt = false; 253 254 EvalStack_Push(gn->name, NULL, NULL); 255 cmdStart = Var_Subst(cmd, gn, VARE_EVAL); 256 EvalStack_Pop(); 257 /* TODO: handle errors */ 258 259 if (cmdStart[0] == '\0') { 260 free(cmdStart); 261 return true; 262 } 263 cmd = cmdStart; 264 LstNode_Set(ln, cmdStart); 265 266 if (gn->type & OP_SAVE_CMDS) { 267 GNode *endNode = Targ_GetEndNode(); 268 if (gn != endNode) { 269 /* 270 * Append the expanded command, to prevent the 271 * local variables from being interpreted in the 272 * scope of the .END node. 273 * 274 * A probably unintended side effect of this is that 275 * the expanded command will be expanded again in the 276 * .END node. Therefore, a literal '$' in these 277 * commands must be written as '$$$$' instead of the 278 * usual '$$'. 279 */ 280 Lst_Append(&endNode->commands, cmdStart); 281 goto register_command; 282 } 283 } 284 if (strcmp(cmdStart, "...") == 0) { 285 gn->type |= OP_SAVE_CMDS; 286 register_command: 287 Parse_RegisterCommand(cmdStart); 288 return true; 289 } 290 291 for (;;) { 292 if (*cmd == '@') 293 silent = !DEBUG(LOUD); 294 else if (*cmd == '-') 295 errCheck = false; 296 else if (*cmd == '+') 297 doIt = true; 298 else if (!ch_isspace(*cmd)) 299 /* Ignore whitespace for compatibility with gnu make */ 300 break; 301 cmd++; 302 } 303 304 while (ch_isspace(*cmd)) 305 cmd++; 306 if (cmd[0] == '\0') 307 goto register_command; 308 309 useShell = UseShell(cmd); 310 311 if (!silent || !GNode_ShouldExecute(gn)) { 312 printf("%s\n", cmd); 313 fflush(stdout); 314 } 315 316 if (!doIt && !GNode_ShouldExecute(gn)) 317 goto register_command; 318 319 DEBUG1(JOB, "Execute: '%s'\n", cmd); 320 321 if (useShell && shellPath == NULL) 322 Shell_Init(); /* we need shellPath */ 323 324 if (useShell) { 325 static const char *shargv[5]; 326 327 /* The following work for any of the builtin shell specs. */ 328 int shargc = 0; 329 shargv[shargc++] = shellPath; 330 if (errCheck && shellErrFlag != NULL) 331 shargv[shargc++] = shellErrFlag; 332 shargv[shargc++] = DEBUG(SHELL) ? "-xc" : "-c"; 333 shargv[shargc++] = cmd; 334 shargv[shargc] = NULL; 335 av = shargv; 336 bp = NULL; 337 mav = NULL; 338 } else { 339 Words words = Str_Words(cmd, false); 340 mav = words.words; 341 bp = words.freeIt; 342 av = (void *)mav; 343 } 344 345 #ifdef USE_META 346 if (useMeta) 347 meta_compat_start(); 348 #endif 349 350 Var_ReexportVars(gn); 351 352 compatChild = Compat_Spawn(av); 353 free(mav); 354 free(bp); 355 356 /* XXX: Memory management looks suspicious here. */ 357 /* XXX: Setting a list item to NULL is unexpected. */ 358 LstNode_SetNull(ln); 359 360 #ifdef USE_META 361 if (useMeta) 362 meta_compat_parent(compatChild); 363 #endif 364 365 /* The child is off and running. Now all we can do is wait... */ 366 while ((retstat = wait(&reason)) != compatChild) { 367 if (retstat > 0) 368 JobReapChild(retstat, reason, false); /* not ours? */ 369 if (retstat == -1 && errno != EINTR) 370 break; 371 } 372 373 if (retstat < 0) 374 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 375 376 if (WIFSTOPPED(reason)) { 377 status = WSTOPSIG(reason); 378 } else if (WIFEXITED(reason)) { 379 status = WEXITSTATUS(reason); 380 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 381 if (useMeta) 382 meta_cmd_finish(NULL); 383 #endif 384 if (status != 0) { 385 if (DEBUG(ERROR)) 386 DebugFailedTarget(cmd, gn); 387 printf("*** Error code %d", status); 388 } 389 } else { 390 status = WTERMSIG(reason); 391 printf("*** Signal %d", status); 392 } 393 394 395 if (!WIFEXITED(reason) || status != 0) { 396 if (errCheck) { 397 #ifdef USE_META 398 if (useMeta) 399 meta_job_error(NULL, gn, false, status); 400 #endif 401 gn->made = ERROR; 402 if (WIFEXITED(reason)) 403 gn->exit_status = status; 404 if (opts.keepgoing) { 405 /* 406 * Abort the current target, 407 * but let others continue. 408 */ 409 printf(" (continuing)\n"); 410 } else { 411 printf("\n"); 412 } 413 if (deleteOnError) 414 CompatDeleteTarget(gn); 415 } else { 416 /* 417 * Continue executing commands for this target. 418 * If we return 0, this will happen... 419 */ 420 printf(" (ignored)\n"); 421 status = 0; 422 } 423 fflush(stdout); 424 } 425 426 free(cmdStart); 427 compatChild = 0; 428 if (compatSigno != 0) { 429 bmake_signal(compatSigno, SIG_DFL); 430 kill(myPid, compatSigno); 431 } 432 433 return status == 0; 434 } 435 436 static void 437 RunCommands(GNode *gn) 438 { 439 StringListNode *ln; 440 441 for (ln = gn->commands.first; ln != NULL; ln = ln->next) { 442 const char *cmd = ln->datum; 443 if (!Compat_RunCommand(cmd, gn, ln)) 444 break; 445 } 446 } 447 448 static void 449 MakeInRandomOrder(GNode **gnodes, GNode **end, GNode *pgn) 450 { 451 GNode **it; 452 size_t r; 453 454 for (r = (size_t)(end - gnodes); r >= 2; r--) { 455 /* Biased, but irrelevant in practice. */ 456 size_t i = (size_t)random() % r; 457 GNode *t = gnodes[r - 1]; 458 gnodes[r - 1] = gnodes[i]; 459 gnodes[i] = t; 460 } 461 462 for (it = gnodes; it != end; it++) 463 Compat_Make(*it, pgn); 464 } 465 466 static void 467 MakeWaitGroupsInRandomOrder(GNodeList *gnodes, GNode *pgn) 468 { 469 Vector vec; 470 GNodeListNode *ln; 471 GNode **nodes; 472 size_t i, n, start; 473 474 Vector_Init(&vec, sizeof(GNode *)); 475 for (ln = gnodes->first; ln != NULL; ln = ln->next) 476 *(GNode **)Vector_Push(&vec) = ln->datum; 477 nodes = vec.items; 478 n = vec.len; 479 480 start = 0; 481 for (i = 0; i < n; i++) { 482 if (nodes[i]->type & OP_WAIT) { 483 MakeInRandomOrder(nodes + start, nodes + i, pgn); 484 Compat_Make(nodes[i], pgn); 485 start = i + 1; 486 } 487 } 488 MakeInRandomOrder(nodes + start, nodes + i, pgn); 489 490 Vector_Done(&vec); 491 } 492 493 static void 494 MakeNodes(GNodeList *gnodes, GNode *pgn) 495 { 496 GNodeListNode *ln; 497 498 if (Lst_IsEmpty(gnodes)) 499 return; 500 if (opts.randomizeTargets) { 501 MakeWaitGroupsInRandomOrder(gnodes, pgn); 502 return; 503 } 504 505 for (ln = gnodes->first; ln != NULL; ln = ln->next) { 506 GNode *cgn = ln->datum; 507 Compat_Make(cgn, pgn); 508 } 509 } 510 511 static bool 512 MakeUnmade(GNode *gn, GNode *pgn) 513 { 514 515 assert(gn->made == UNMADE); 516 517 /* 518 * First mark ourselves to be made, then apply whatever transformations 519 * the suffix module thinks are necessary. Once that's done, we can 520 * descend and make all our children. If any of them has an error 521 * but the -k flag was given, our 'make' field will be set to false 522 * again. This is our signal to not attempt to do anything but abort 523 * our parent as well. 524 */ 525 gn->flags.remake = true; 526 gn->made = BEINGMADE; 527 528 if (!(gn->type & OP_MADE)) 529 Suff_FindDeps(gn); 530 531 MakeNodes(&gn->children, gn); 532 533 if (!gn->flags.remake) { 534 gn->made = ABORTED; 535 pgn->flags.remake = false; 536 return false; 537 } 538 539 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) 540 Var_Set(pgn, IMPSRC, GNode_VarTarget(gn)); 541 542 /* 543 * All the children were made ok. Now youngestChild->mtime contains the 544 * modification time of the newest child, we need to find out if we 545 * exist and when we were modified last. The criteria for datedness 546 * are defined by GNode_IsOODate. 547 */ 548 DEBUG1(MAKE, "Examining %s...", gn->name); 549 if (!GNode_IsOODate(gn)) { 550 gn->made = UPTODATE; 551 DEBUG0(MAKE, "up-to-date.\n"); 552 return false; 553 } 554 555 /* 556 * If the user is just seeing if something is out-of-date, exit now 557 * to tell him/her "yes". 558 */ 559 DEBUG0(MAKE, "out-of-date.\n"); 560 if (opts.query && gn != Targ_GetEndNode()) 561 exit(1); 562 563 /* 564 * We need to be re-made. 565 * Ensure that $? (.OODATE) and $> (.ALLSRC) are both set. 566 */ 567 GNode_SetLocalVars(gn); 568 569 /* 570 * Alter our type to tell if errors should be ignored or things 571 * should not be printed so Compat_RunCommand knows what to do. 572 */ 573 if (opts.ignoreErrors) 574 gn->type |= OP_IGNORE; 575 if (opts.silent) 576 gn->type |= OP_SILENT; 577 578 if (Job_CheckCommands(gn, Fatal)) { 579 if (!opts.touch || (gn->type & OP_MAKE)) { 580 curTarg = gn; 581 #ifdef USE_META 582 if (useMeta && GNode_ShouldExecute(gn)) 583 meta_job_start(NULL, gn); 584 #endif 585 RunCommands(gn); 586 curTarg = NULL; 587 } else { 588 Job_Touch(gn, (gn->type & OP_SILENT) != OP_NONE); 589 } 590 } else { 591 gn->made = ERROR; 592 } 593 #ifdef USE_META 594 if (useMeta && GNode_ShouldExecute(gn)) { 595 if (meta_job_finish(NULL) != 0) 596 gn->made = ERROR; 597 } 598 #endif 599 600 if (gn->made != ERROR) { 601 /* 602 * If the node was made successfully, mark it so, update 603 * its modification time and timestamp all its parents. 604 * This is to keep its state from affecting that of its parent. 605 */ 606 gn->made = MADE; 607 if (Make_Recheck(gn) == 0) 608 pgn->flags.force = true; 609 if (!(gn->type & OP_EXEC)) { 610 pgn->flags.childMade = true; 611 GNode_UpdateYoungestChild(pgn, gn); 612 } 613 } else if (opts.keepgoing) { 614 pgn->flags.remake = false; 615 } else { 616 PrintOnError(gn, "\nStop.\n"); 617 exit(1); 618 } 619 return true; 620 } 621 622 static void 623 MakeOther(GNode *gn, GNode *pgn) 624 { 625 626 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) { 627 const char *target = GNode_VarTarget(gn); 628 Var_Set(pgn, IMPSRC, target != NULL ? target : ""); 629 } 630 631 switch (gn->made) { 632 case BEINGMADE: 633 Error("Graph cycles through %s", gn->name); 634 gn->made = ERROR; 635 pgn->flags.remake = false; 636 break; 637 case MADE: 638 if (!(gn->type & OP_EXEC)) { 639 pgn->flags.childMade = true; 640 GNode_UpdateYoungestChild(pgn, gn); 641 } 642 break; 643 case UPTODATE: 644 if (!(gn->type & OP_EXEC)) 645 GNode_UpdateYoungestChild(pgn, gn); 646 break; 647 default: 648 break; 649 } 650 } 651 652 /* 653 * Make a target. 654 * 655 * If an error is detected and not being ignored, the process exits. 656 * 657 * Input: 658 * gn The node to make 659 * pgn Parent to abort if necessary 660 * 661 * Output: 662 * gn->made 663 * UPTODATE gn was already up-to-date. 664 * MADE gn was recreated successfully. 665 * ERROR An error occurred while gn was being created, 666 * either due to missing commands or in -k mode. 667 * ABORTED gn was not remade because one of its 668 * dependencies could not be made due to errors. 669 */ 670 void 671 Compat_Make(GNode *gn, GNode *pgn) 672 { 673 if (shellName == NULL) /* we came here from jobs */ 674 Shell_Init(); 675 676 if (gn->made == UNMADE && (gn == pgn || !(pgn->type & OP_MADE))) { 677 if (!MakeUnmade(gn, pgn)) 678 goto cohorts; 679 680 /* XXX: Replace with GNode_IsError(gn) */ 681 } else if (gn->made == ERROR) { 682 /* 683 * Already had an error when making this. 684 * Tell the parent to abort. 685 */ 686 pgn->flags.remake = false; 687 } else { 688 MakeOther(gn, pgn); 689 } 690 691 cohorts: 692 MakeNodes(&gn->cohorts, pgn); 693 } 694 695 static void 696 MakeBeginNode(void) 697 { 698 GNode *gn = Targ_FindNode(".BEGIN"); 699 if (gn == NULL) 700 return; 701 702 Compat_Make(gn, gn); 703 if (GNode_IsError(gn)) { 704 PrintOnError(gn, "\nStop.\n"); 705 exit(1); 706 } 707 } 708 709 static void 710 InitSignals(void) 711 { 712 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) 713 bmake_signal(SIGINT, CompatInterrupt); 714 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) 715 bmake_signal(SIGTERM, CompatInterrupt); 716 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) 717 bmake_signal(SIGHUP, CompatInterrupt); 718 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) 719 bmake_signal(SIGQUIT, CompatInterrupt); 720 } 721 722 void 723 Compat_MakeAll(GNodeList *targs) 724 { 725 GNode *errorNode = NULL; 726 727 if (shellName == NULL) 728 Shell_Init(); 729 730 InitSignals(); 731 732 /* 733 * Create the .END node now, to keep the (debug) output of the 734 * counter.mk test the same as before 2020-09-23. This 735 * implementation detail probably doesn't matter though. 736 */ 737 (void)Targ_GetEndNode(); 738 739 if (!opts.query) 740 MakeBeginNode(); 741 742 /* 743 * Expand .USE nodes right now, because they can modify the structure 744 * of the tree. 745 */ 746 Make_ExpandUse(targs); 747 748 while (!Lst_IsEmpty(targs)) { 749 GNode *gn = Lst_Dequeue(targs); 750 Compat_Make(gn, gn); 751 752 if (gn->made == UPTODATE) { 753 printf("`%s' is up to date.\n", gn->name); 754 } else if (gn->made == ABORTED) { 755 printf("`%s' not remade because of errors.\n", 756 gn->name); 757 } 758 if (GNode_IsError(gn) && errorNode == NULL) 759 errorNode = gn; 760 } 761 762 if (errorNode == NULL) { 763 GNode *endNode = Targ_GetEndNode(); 764 Compat_Make(endNode, endNode); 765 if (GNode_IsError(endNode)) 766 errorNode = endNode; 767 } 768 769 if (errorNode != NULL) { 770 if (DEBUG(GRAPH2)) 771 Targ_PrintGraph(2); 772 else if (DEBUG(GRAPH3)) 773 Targ_PrintGraph(3); 774 PrintOnError(errorNode, "\nStop.\n"); 775 exit(1); 776 } 777 } 778