1 /* $NetBSD: compat.c,v 1.245 2023/02/14 21:38:31 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 1.245 2023/02/14 21:38:31 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 const char *file = GNode_VarTarget(gn); 109 110 if (!opts.noExecute && unlink_file(file) == 0) { 111 Error("*** %s removed", file); 112 } 113 } 114 } 115 116 /* 117 * Interrupt the creation of the current target and remove it if it ain't 118 * precious. Then exit. 119 * 120 * If .INTERRUPT exists, its commands are run first WITH INTERRUPTS IGNORED. 121 * 122 * XXX: is .PRECIOUS supposed to inhibit .INTERRUPT? I doubt it, but I've 123 * left the logic alone for now. - dholland 20160826 124 */ 125 static void 126 CompatInterrupt(int signo) 127 { 128 CompatDeleteTarget(curTarg); 129 130 if (curTarg != NULL && !GNode_IsPrecious(curTarg)) { 131 /* 132 * Run .INTERRUPT only if hit with interrupt signal 133 */ 134 if (signo == SIGINT) { 135 GNode *gn = Targ_FindNode(".INTERRUPT"); 136 if (gn != NULL) { 137 Compat_Make(gn, gn); 138 } 139 } 140 } 141 142 if (signo == SIGQUIT) 143 _exit(signo); 144 145 /* 146 * If there is a child running, pass the signal on. 147 * We will exist after it has exited. 148 */ 149 compatSigno = signo; 150 if (compatChild > 0) { 151 KILLPG(compatChild, signo); 152 } else { 153 bmake_signal(signo, SIG_DFL); 154 kill(myPid, signo); 155 } 156 } 157 158 static void 159 DebugFailedTarget(const char *cmd, const GNode *gn) 160 { 161 const char *p = cmd; 162 debug_printf("\n*** Failed target: %s\n*** Failed command: ", 163 gn->name); 164 165 /* 166 * Replace runs of whitespace with a single space, to reduce the 167 * amount of whitespace for multi-line command lines. 168 */ 169 while (*p != '\0') { 170 if (ch_isspace(*p)) { 171 debug_printf(" "); 172 cpp_skip_whitespace(&p); 173 } else { 174 debug_printf("%c", *p); 175 p++; 176 } 177 } 178 debug_printf("\n"); 179 } 180 181 static bool 182 UseShell(const char *cmd MAKE_ATTR_UNUSED) 183 { 184 #if !defined(MAKE_NATIVE) 185 /* 186 * In a non-native build, the host environment might be weird enough 187 * that it's necessary to go through a shell to get the correct 188 * behaviour. Or perhaps the shell has been replaced with something 189 * that does extra logging, and that should not be bypassed. 190 */ 191 return true; 192 #else 193 /* 194 * Search for meta characters in the command. If there are no meta 195 * characters, there's no need to execute a shell to execute the 196 * command. 197 * 198 * Additionally variable assignments and empty commands 199 * go to the shell. Therefore treat '=' and ':' like shell 200 * meta characters as documented in make(1). 201 */ 202 203 return needshell(cmd); 204 #endif 205 } 206 207 /* 208 * Execute the next command for a target. If the command returns an error, 209 * the node's made field is set to ERROR and creation stops. 210 * 211 * Input: 212 * cmdp Command to execute 213 * gn Node from which the command came 214 * ln List node that contains the command 215 * 216 * Results: 217 * true if the command succeeded. 218 */ 219 bool 220 Compat_RunCommand(const char *cmdp, GNode *gn, StringListNode *ln) 221 { 222 char *cmdStart; /* Start of expanded command */ 223 char *bp; 224 bool silent; /* Don't print command */ 225 bool doIt; /* Execute even if -n */ 226 volatile bool errCheck; /* Check errors */ 227 int reason; /* Reason for child's death */ 228 int status; /* Description of child's death */ 229 pid_t cpid; /* Child actually found */ 230 pid_t retstat; /* Result of wait */ 231 const char **volatile av; /* Argument vector for thing to exec */ 232 char **volatile mav; /* Copy of the argument vector for freeing */ 233 bool useShell; /* True if command should be executed using a 234 * shell */ 235 const char *volatile cmd = cmdp; 236 237 silent = (gn->type & OP_SILENT) != OP_NONE; 238 errCheck = !(gn->type & OP_IGNORE); 239 doIt = false; 240 241 cmdStart = Var_Subst(cmd, gn, VARE_WANTRES); 242 /* TODO: handle errors */ 243 244 if (cmdStart[0] == '\0') { 245 free(cmdStart); 246 return true; 247 } 248 cmd = cmdStart; 249 LstNode_Set(ln, cmdStart); 250 251 if (gn->type & OP_SAVE_CMDS) { 252 GNode *endNode = Targ_GetEndNode(); 253 if (gn != endNode) { 254 /* 255 * Append the expanded command, to prevent the 256 * local variables from being interpreted in the 257 * scope of the .END node. 258 * 259 * A probably unintended side effect of this is that 260 * the expanded command will be expanded again in the 261 * .END node. Therefore, a literal '$' in these 262 * commands must be written as '$$$$' instead of the 263 * usual '$$'. 264 */ 265 Lst_Append(&endNode->commands, cmdStart); 266 return true; 267 } 268 } 269 if (strcmp(cmdStart, "...") == 0) { 270 gn->type |= OP_SAVE_CMDS; 271 return true; 272 } 273 274 for (;;) { 275 if (*cmd == '@') 276 silent = !DEBUG(LOUD); 277 else if (*cmd == '-') 278 errCheck = false; 279 else if (*cmd == '+') { 280 doIt = true; 281 if (shellName == NULL) /* we came here from jobs */ 282 Shell_Init(); 283 } else if (!ch_isspace(*cmd)) 284 /* Ignore whitespace for compatibility with gnu make */ 285 break; 286 cmd++; 287 } 288 289 while (ch_isspace(*cmd)) 290 cmd++; 291 292 /* 293 * If we did not end up with a command, just skip it. 294 */ 295 if (cmd[0] == '\0') 296 return true; 297 298 useShell = UseShell(cmd); 299 /* 300 * Print the command before echoing if we're not supposed to be quiet 301 * for this one. We also print the command if -n given. 302 */ 303 if (!silent || !GNode_ShouldExecute(gn)) { 304 printf("%s\n", cmd); 305 fflush(stdout); 306 } 307 308 /* 309 * If we're not supposed to execute any commands, this is as far as 310 * we go... 311 */ 312 if (!doIt && !GNode_ShouldExecute(gn)) 313 return true; 314 315 DEBUG1(JOB, "Execute: '%s'\n", cmd); 316 317 if (useShell) { 318 /* 319 * We need to pass the command off to the shell, typically 320 * because the command contains a "meta" character. 321 */ 322 static const char *shargv[5]; 323 324 /* The following work for any of the builtin shell specs. */ 325 int shargc = 0; 326 shargv[shargc++] = shellPath; 327 if (errCheck && shellErrFlag != NULL) 328 shargv[shargc++] = shellErrFlag; 329 shargv[shargc++] = DEBUG(SHELL) ? "-xc" : "-c"; 330 shargv[shargc++] = cmd; 331 shargv[shargc] = NULL; 332 av = shargv; 333 bp = NULL; 334 mav = NULL; 335 } else { 336 /* 337 * No meta-characters, so no need to exec a shell. Break the 338 * command into words to form an argument vector we can 339 * execute. 340 */ 341 Words words = Str_Words(cmd, false); 342 mav = words.words; 343 bp = words.freeIt; 344 av = (void *)mav; 345 } 346 347 #ifdef USE_META 348 if (useMeta) 349 meta_compat_start(); 350 #endif 351 352 Var_ReexportVars(); 353 354 compatChild = cpid = vfork(); 355 if (cpid < 0) 356 Fatal("Could not fork"); 357 358 if (cpid == 0) { 359 #ifdef USE_META 360 if (useMeta) 361 meta_compat_child(); 362 #endif 363 (void)execvp(av[0], (char *const *)UNCONST(av)); 364 execDie("exec", av[0]); 365 } 366 367 free(mav); 368 free(bp); 369 370 /* XXX: Memory management looks suspicious here. */ 371 /* XXX: Setting a list item to NULL is unexpected. */ 372 LstNode_SetNull(ln); 373 374 #ifdef USE_META 375 if (useMeta) 376 meta_compat_parent(cpid); 377 #endif 378 379 /* 380 * The child is off and running. Now all we can do is wait... 381 */ 382 while ((retstat = wait(&reason)) != cpid) { 383 if (retstat > 0) 384 JobReapChild(retstat, reason, false); /* not ours? */ 385 if (retstat == -1 && errno != EINTR) { 386 break; 387 } 388 } 389 390 if (retstat < 0) 391 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 392 393 if (WIFSTOPPED(reason)) { 394 status = WSTOPSIG(reason); /* stopped */ 395 } else if (WIFEXITED(reason)) { 396 status = WEXITSTATUS(reason); /* exited */ 397 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 398 if (useMeta) 399 meta_cmd_finish(NULL); 400 #endif 401 if (status != 0) { 402 if (DEBUG(ERROR)) 403 DebugFailedTarget(cmd, gn); 404 printf("*** Error code %d", status); 405 } 406 } else { 407 status = WTERMSIG(reason); /* signaled */ 408 printf("*** Signal %d", status); 409 } 410 411 412 if (!WIFEXITED(reason) || status != 0) { 413 if (errCheck) { 414 #ifdef USE_META 415 if (useMeta) 416 meta_job_error(NULL, gn, false, status); 417 #endif 418 gn->made = ERROR; 419 if (opts.keepgoing) { 420 /* 421 * Abort the current target, 422 * but let others continue. 423 */ 424 printf(" (continuing)\n"); 425 } else { 426 printf("\n"); 427 } 428 if (deleteOnError) 429 CompatDeleteTarget(gn); 430 } else { 431 /* 432 * Continue executing commands for this target. 433 * If we return 0, this will happen... 434 */ 435 printf(" (ignored)\n"); 436 status = 0; 437 } 438 } 439 440 free(cmdStart); 441 compatChild = 0; 442 if (compatSigno != 0) { 443 bmake_signal(compatSigno, SIG_DFL); 444 kill(myPid, compatSigno); 445 } 446 447 return status == 0; 448 } 449 450 static void 451 RunCommands(GNode *gn) 452 { 453 StringListNode *ln; 454 455 for (ln = gn->commands.first; ln != NULL; ln = ln->next) { 456 const char *cmd = ln->datum; 457 if (!Compat_RunCommand(cmd, gn, ln)) 458 break; 459 } 460 } 461 462 static void 463 MakeInRandomOrder(GNode **gnodes, GNode **end, GNode *pgn) 464 { 465 GNode **it; 466 size_t r; 467 468 for (r = (size_t)(end - gnodes); r >= 2; r--) { 469 /* Biased, but irrelevant in practice. */ 470 size_t i = (size_t)random() % r; 471 GNode *t = gnodes[r - 1]; 472 gnodes[r - 1] = gnodes[i]; 473 gnodes[i] = t; 474 } 475 476 for (it = gnodes; it != end; it++) 477 Compat_Make(*it, pgn); 478 } 479 480 static void 481 MakeWaitGroupsInRandomOrder(GNodeList *gnodes, GNode *pgn) 482 { 483 Vector vec; 484 GNodeListNode *ln; 485 GNode **nodes; 486 size_t i, n, start; 487 488 Vector_Init(&vec, sizeof(GNode *)); 489 for (ln = gnodes->first; ln != NULL; ln = ln->next) 490 *(GNode **)Vector_Push(&vec) = ln->datum; 491 nodes = vec.items; 492 n = vec.len; 493 494 start = 0; 495 for (i = 0; i < n; i++) { 496 if (nodes[i]->type & OP_WAIT) { 497 MakeInRandomOrder(nodes + start, nodes + i, pgn); 498 Compat_Make(nodes[i], pgn); 499 start = i + 1; 500 } 501 } 502 MakeInRandomOrder(nodes + start, nodes + i, pgn); 503 504 Vector_Done(&vec); 505 } 506 507 static void 508 MakeNodes(GNodeList *gnodes, GNode *pgn) 509 { 510 GNodeListNode *ln; 511 512 if (Lst_IsEmpty(gnodes)) 513 return; 514 if (opts.randomizeTargets) { 515 MakeWaitGroupsInRandomOrder(gnodes, pgn); 516 return; 517 } 518 519 for (ln = gnodes->first; ln != NULL; ln = ln->next) { 520 GNode *cgn = ln->datum; 521 Compat_Make(cgn, pgn); 522 } 523 } 524 525 static bool 526 MakeUnmade(GNode *gn, GNode *pgn) 527 { 528 529 assert(gn->made == UNMADE); 530 531 /* 532 * First mark ourselves to be made, then apply whatever transformations 533 * the suffix module thinks are necessary. Once that's done, we can 534 * descend and make all our children. If any of them has an error 535 * but the -k flag was given, our 'make' field will be set to false 536 * again. This is our signal to not attempt to do anything but abort 537 * our parent as well. 538 */ 539 gn->flags.remake = true; 540 gn->made = BEINGMADE; 541 542 if (!(gn->type & OP_MADE)) 543 Suff_FindDeps(gn); 544 545 MakeNodes(&gn->children, gn); 546 547 if (!gn->flags.remake) { 548 gn->made = ABORTED; 549 pgn->flags.remake = false; 550 return false; 551 } 552 553 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) 554 Var_Set(pgn, IMPSRC, GNode_VarTarget(gn)); 555 556 /* 557 * All the children were made ok. Now youngestChild->mtime contains the 558 * modification time of the newest child, we need to find out if we 559 * exist and when we were modified last. The criteria for datedness 560 * are defined by GNode_IsOODate. 561 */ 562 DEBUG1(MAKE, "Examining %s...", gn->name); 563 if (!GNode_IsOODate(gn)) { 564 gn->made = UPTODATE; 565 DEBUG0(MAKE, "up-to-date.\n"); 566 return false; 567 } 568 569 /* 570 * If the user is just seeing if something is out-of-date, exit now 571 * to tell him/her "yes". 572 */ 573 DEBUG0(MAKE, "out-of-date.\n"); 574 if (opts.query && gn != Targ_GetEndNode()) 575 exit(1); 576 577 /* 578 * We need to be re-made. 579 * Ensure that $? (.OODATE) and $> (.ALLSRC) are both set. 580 */ 581 GNode_SetLocalVars(gn); 582 583 /* 584 * Alter our type to tell if errors should be ignored or things 585 * should not be printed so Compat_RunCommand knows what to do. 586 */ 587 if (opts.ignoreErrors) 588 gn->type |= OP_IGNORE; 589 if (opts.silent) 590 gn->type |= OP_SILENT; 591 592 if (Job_CheckCommands(gn, Fatal)) { 593 /* 594 * Our commands are ok, but we still have to worry about 595 * the -t flag. 596 */ 597 if (!opts.touch || (gn->type & OP_MAKE)) { 598 curTarg = gn; 599 #ifdef USE_META 600 if (useMeta && GNode_ShouldExecute(gn)) 601 meta_job_start(NULL, gn); 602 #endif 603 RunCommands(gn); 604 curTarg = NULL; 605 } else { 606 Job_Touch(gn, (gn->type & OP_SILENT) != OP_NONE); 607 } 608 } else { 609 gn->made = ERROR; 610 } 611 #ifdef USE_META 612 if (useMeta && GNode_ShouldExecute(gn)) { 613 if (meta_job_finish(NULL) != 0) 614 gn->made = ERROR; 615 } 616 #endif 617 618 if (gn->made != ERROR) { 619 /* 620 * If the node was made successfully, mark it so, update 621 * its modification time and timestamp all its parents. 622 * This is to keep its state from affecting that of its parent. 623 */ 624 gn->made = MADE; 625 if (Make_Recheck(gn) == 0) 626 pgn->flags.force = true; 627 if (!(gn->type & OP_EXEC)) { 628 pgn->flags.childMade = true; 629 GNode_UpdateYoungestChild(pgn, gn); 630 } 631 } else if (opts.keepgoing) { 632 pgn->flags.remake = false; 633 } else { 634 PrintOnError(gn, "\nStop.\n"); 635 exit(1); 636 } 637 return true; 638 } 639 640 static void 641 MakeOther(GNode *gn, GNode *pgn) 642 { 643 644 if (Lst_FindDatum(&gn->implicitParents, pgn) != NULL) { 645 const char *target = GNode_VarTarget(gn); 646 Var_Set(pgn, IMPSRC, target != NULL ? target : ""); 647 } 648 649 switch (gn->made) { 650 case BEINGMADE: 651 Error("Graph cycles through %s", gn->name); 652 gn->made = ERROR; 653 pgn->flags.remake = false; 654 break; 655 case MADE: 656 if (!(gn->type & OP_EXEC)) { 657 pgn->flags.childMade = true; 658 GNode_UpdateYoungestChild(pgn, gn); 659 } 660 break; 661 case UPTODATE: 662 if (!(gn->type & OP_EXEC)) 663 GNode_UpdateYoungestChild(pgn, gn); 664 break; 665 default: 666 break; 667 } 668 } 669 670 /* 671 * Make a target. 672 * 673 * If an error is detected and not being ignored, the process exits. 674 * 675 * Input: 676 * gn The node to make 677 * pgn Parent to abort if necessary 678 * 679 * Output: 680 * gn->made 681 * UPTODATE gn was already up-to-date. 682 * MADE gn was recreated successfully. 683 * ERROR An error occurred while gn was being created, 684 * either due to missing commands or in -k mode. 685 * ABORTED gn was not remade because one of its 686 * dependencies could not be made due to errors. 687 */ 688 void 689 Compat_Make(GNode *gn, GNode *pgn) 690 { 691 if (shellName == NULL) /* we came here from jobs */ 692 Shell_Init(); 693 694 if (gn->made == UNMADE && (gn == pgn || !(pgn->type & OP_MADE))) { 695 if (!MakeUnmade(gn, pgn)) 696 goto cohorts; 697 698 /* XXX: Replace with GNode_IsError(gn) */ 699 } else if (gn->made == ERROR) { 700 /* 701 * Already had an error when making this. 702 * Tell the parent to abort. 703 */ 704 pgn->flags.remake = false; 705 } else { 706 MakeOther(gn, pgn); 707 } 708 709 cohorts: 710 MakeNodes(&gn->cohorts, pgn); 711 } 712 713 static void 714 MakeBeginNode(void) 715 { 716 GNode *gn = Targ_FindNode(".BEGIN"); 717 if (gn == NULL) 718 return; 719 720 Compat_Make(gn, gn); 721 if (GNode_IsError(gn)) { 722 PrintOnError(gn, "\nStop.\n"); 723 exit(1); 724 } 725 } 726 727 static void 728 InitSignals(void) 729 { 730 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) 731 bmake_signal(SIGINT, CompatInterrupt); 732 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) 733 bmake_signal(SIGTERM, CompatInterrupt); 734 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) 735 bmake_signal(SIGHUP, CompatInterrupt); 736 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) 737 bmake_signal(SIGQUIT, CompatInterrupt); 738 } 739 740 void 741 Compat_MakeAll(GNodeList *targs) 742 { 743 GNode *errorNode = NULL; 744 745 if (shellName == NULL) 746 Shell_Init(); 747 748 InitSignals(); 749 750 /* 751 * Create the .END node now, to keep the (debug) output of the 752 * counter.mk test the same as before 2020-09-23. This 753 * implementation detail probably doesn't matter though. 754 */ 755 (void)Targ_GetEndNode(); 756 757 if (!opts.query) 758 MakeBeginNode(); 759 760 /* 761 * Expand .USE nodes right now, because they can modify the structure 762 * of the tree. 763 */ 764 Make_ExpandUse(targs); 765 766 while (!Lst_IsEmpty(targs)) { 767 GNode *gn = Lst_Dequeue(targs); 768 Compat_Make(gn, gn); 769 770 if (gn->made == UPTODATE) { 771 printf("`%s' is up to date.\n", gn->name); 772 } else if (gn->made == ABORTED) { 773 printf("`%s' not remade because of errors.\n", 774 gn->name); 775 } 776 if (GNode_IsError(gn) && errorNode == NULL) 777 errorNode = gn; 778 } 779 780 /* If the user has defined a .END target, run its commands. */ 781 if (errorNode == NULL) { 782 GNode *endNode = Targ_GetEndNode(); 783 Compat_Make(endNode, endNode); 784 if (GNode_IsError(endNode)) 785 errorNode = endNode; 786 } 787 788 if (errorNode != NULL) { 789 if (DEBUG(GRAPH2)) 790 Targ_PrintGraph(2); 791 else if (DEBUG(GRAPH3)) 792 Targ_PrintGraph(3); 793 PrintOnError(errorNode, "\nStop.\n"); 794 exit(1); 795 } 796 } 797