1 /* $NetBSD: compat.c,v 1.105 2016/05/12 20:28:34 sjg 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 #ifndef MAKE_NATIVE 73 static char rcsid[] = "$NetBSD: compat.c,v 1.105 2016/05/12 20:28:34 sjg Exp $"; 74 #else 75 #include <sys/cdefs.h> 76 #ifndef lint 77 #if 0 78 static char sccsid[] = "@(#)compat.c 8.2 (Berkeley) 3/19/94"; 79 #else 80 __RCSID("$NetBSD: compat.c,v 1.105 2016/05/12 20:28:34 sjg Exp $"); 81 #endif 82 #endif /* not lint */ 83 #endif 84 85 /*- 86 * compat.c -- 87 * The routines in this file implement the full-compatibility 88 * mode of PMake. Most of the special functionality of PMake 89 * is available in this mode. Things not supported: 90 * - different shells. 91 * - friendly variable substitution. 92 * 93 * Interface: 94 * Compat_Run Initialize things for this module and recreate 95 * thems as need creatin' 96 */ 97 98 #ifdef HAVE_CONFIG_H 99 # include "config.h" 100 #endif 101 #include <sys/types.h> 102 #include <sys/stat.h> 103 #include "wait.h" 104 105 #include <ctype.h> 106 #include <errno.h> 107 #include <signal.h> 108 #include <stdio.h> 109 110 #include "make.h" 111 #include "hash.h" 112 #include "dir.h" 113 #include "job.h" 114 #include "metachar.h" 115 #include "pathnames.h" 116 117 118 static GNode *curTarg = NULL; 119 static GNode *ENDNode; 120 static void CompatInterrupt(int); 121 122 /*- 123 *----------------------------------------------------------------------- 124 * CompatInterrupt -- 125 * Interrupt the creation of the current target and remove it if 126 * it ain't precious. 127 * 128 * Results: 129 * None. 130 * 131 * Side Effects: 132 * The target is removed and the process exits. If .INTERRUPT exists, 133 * its commands are run first WITH INTERRUPTS IGNORED.. 134 * 135 *----------------------------------------------------------------------- 136 */ 137 static void 138 CompatInterrupt(int signo) 139 { 140 GNode *gn; 141 142 if ((curTarg != NULL) && !Targ_Precious (curTarg)) { 143 char *p1; 144 char *file = Var_Value(TARGET, curTarg, &p1); 145 146 if (!noExecute && eunlink(file) != -1) { 147 Error("*** %s removed", file); 148 } 149 150 free(p1); 151 152 /* 153 * Run .INTERRUPT only if hit with interrupt signal 154 */ 155 if (signo == SIGINT) { 156 gn = Targ_FindNode(".INTERRUPT", TARG_NOCREATE); 157 if (gn != NULL) { 158 Compat_Make(gn, gn); 159 } 160 } 161 162 } 163 if (signo == SIGQUIT) 164 _exit(signo); 165 bmake_signal(signo, SIG_DFL); 166 kill(myPid, signo); 167 } 168 169 /*- 170 *----------------------------------------------------------------------- 171 * CompatRunCommand -- 172 * Execute the next command for a target. If the command returns an 173 * error, the node's made field is set to ERROR and creation stops. 174 * 175 * Input: 176 * cmdp Command to execute 177 * gnp Node from which the command came 178 * 179 * Results: 180 * 0 if the command succeeded, 1 if an error occurred. 181 * 182 * Side Effects: 183 * The node's 'made' field may be set to ERROR. 184 * 185 *----------------------------------------------------------------------- 186 */ 187 int 188 CompatRunCommand(void *cmdp, void *gnp) 189 { 190 char *cmdStart; /* Start of expanded command */ 191 char *cp, *bp; 192 Boolean silent, /* Don't print command */ 193 doIt; /* Execute even if -n */ 194 volatile Boolean errCheck; /* Check errors */ 195 WAIT_T reason; /* Reason for child's death */ 196 int status; /* Description of child's death */ 197 pid_t cpid; /* Child actually found */ 198 pid_t retstat; /* Result of wait */ 199 LstNode cmdNode; /* Node where current command is located */ 200 const char ** volatile av; /* Argument vector for thing to exec */ 201 char ** volatile mav;/* Copy of the argument vector for freeing */ 202 int argc; /* Number of arguments in av or 0 if not 203 * dynamically allocated */ 204 Boolean local; /* TRUE if command should be executed 205 * locally */ 206 Boolean useShell; /* TRUE if command should be executed 207 * using a shell */ 208 char * volatile cmd = (char *)cmdp; 209 GNode *gn = (GNode *)gnp; 210 211 silent = gn->type & OP_SILENT; 212 errCheck = !(gn->type & OP_IGNORE); 213 doIt = FALSE; 214 215 cmdNode = Lst_Member(gn->commands, cmd); 216 cmdStart = Var_Subst(NULL, cmd, gn, VARF_WANTRES); 217 218 /* 219 * brk_string will return an argv with a NULL in av[0], thus causing 220 * execvp to choke and die horribly. Besides, how can we execute a null 221 * command? In any case, we warn the user that the command expanded to 222 * nothing (is this the right thing to do?). 223 */ 224 225 if (*cmdStart == '\0') { 226 free(cmdStart); 227 return(0); 228 } 229 cmd = cmdStart; 230 Lst_Replace(cmdNode, cmdStart); 231 232 if ((gn->type & OP_SAVE_CMDS) && (gn != ENDNode)) { 233 (void)Lst_AtEnd(ENDNode->commands, cmdStart); 234 return(0); 235 } 236 if (strcmp(cmdStart, "...") == 0) { 237 gn->type |= OP_SAVE_CMDS; 238 return(0); 239 } 240 241 while ((*cmd == '@') || (*cmd == '-') || (*cmd == '+')) { 242 switch (*cmd) { 243 case '@': 244 silent = DEBUG(LOUD) ? FALSE : TRUE; 245 break; 246 case '-': 247 errCheck = FALSE; 248 break; 249 case '+': 250 doIt = TRUE; 251 if (!shellName) /* we came here from jobs */ 252 Shell_Init(); 253 break; 254 } 255 cmd++; 256 } 257 258 while (isspace((unsigned char)*cmd)) 259 cmd++; 260 261 /* 262 * If we did not end up with a command, just skip it. 263 */ 264 if (!*cmd) 265 return (0); 266 267 #if !defined(MAKE_NATIVE) 268 /* 269 * In a non-native build, the host environment might be weird enough 270 * that it's necessary to go through a shell to get the correct 271 * behaviour. Or perhaps the shell has been replaced with something 272 * that does extra logging, and that should not be bypassed. 273 */ 274 useShell = TRUE; 275 #else 276 /* 277 * Search for meta characters in the command. If there are no meta 278 * characters, there's no need to execute a shell to execute the 279 * command. 280 * 281 * Additionally variable assignments and empty commands 282 * go to the shell. Therefore treat '=' and ':' like shell 283 * meta characters as documented in make(1). 284 */ 285 286 useShell = needshell(cmd, FALSE); 287 #endif 288 289 /* 290 * Print the command before echoing if we're not supposed to be quiet for 291 * this one. We also print the command if -n given. 292 */ 293 if (!silent || NoExecute(gn)) { 294 printf("%s\n", cmd); 295 fflush(stdout); 296 } 297 298 /* 299 * If we're not supposed to execute any commands, this is as far as 300 * we go... 301 */ 302 if (!doIt && NoExecute(gn)) { 303 return (0); 304 } 305 if (DEBUG(JOB)) 306 fprintf(debug_file, "Execute: '%s'\n", cmd); 307 308 again: 309 if (useShell) { 310 /* 311 * We need to pass the command off to the shell, typically 312 * because the command contains a "meta" character. 313 */ 314 static const char *shargv[5]; 315 int shargc; 316 317 shargc = 0; 318 shargv[shargc++] = shellPath; 319 /* 320 * The following work for any of the builtin shell specs. 321 */ 322 if (errCheck && shellErrFlag) { 323 shargv[shargc++] = shellErrFlag; 324 } 325 if (DEBUG(SHELL)) 326 shargv[shargc++] = "-xc"; 327 else 328 shargv[shargc++] = "-c"; 329 shargv[shargc++] = cmd; 330 shargv[shargc++] = NULL; 331 av = shargv; 332 argc = 0; 333 bp = NULL; 334 mav = NULL; 335 } else { 336 /* 337 * No meta-characters, so no need to exec a shell. Break the command 338 * into words to form an argument vector we can execute. 339 */ 340 mav = brk_string(cmd, &argc, TRUE, &bp); 341 if (mav == NULL) { 342 useShell = 1; 343 goto again; 344 } 345 av = (void *)mav; 346 } 347 348 local = TRUE; 349 350 #ifdef USE_META 351 if (useMeta) { 352 meta_compat_start(); 353 } 354 #endif 355 356 /* 357 * Fork and execute the single command. If the fork fails, we abort. 358 */ 359 cpid = vFork(); 360 if (cpid < 0) { 361 Fatal("Could not fork"); 362 } 363 if (cpid == 0) { 364 Var_ExportVars(); 365 #ifdef USE_META 366 if (useMeta) { 367 meta_compat_child(); 368 } 369 #endif 370 if (local) 371 (void)execvp(av[0], (char *const *)UNCONST(av)); 372 else 373 (void)execv(av[0], (char *const *)UNCONST(av)); 374 execError("exec", av[0]); 375 _exit(1); 376 } 377 378 free(mav); 379 free(bp); 380 381 Lst_Replace(cmdNode, NULL); 382 383 #ifdef USE_META 384 if (useMeta) { 385 meta_compat_parent(); 386 } 387 #endif 388 389 /* 390 * The child is off and running. Now all we can do is wait... 391 */ 392 while (1) { 393 394 while ((retstat = wait(&reason)) != cpid) { 395 if (retstat > 0) 396 JobReapChild(retstat, reason, FALSE); /* not ours? */ 397 if (retstat == -1 && errno != EINTR) { 398 break; 399 } 400 } 401 402 if (retstat > -1) { 403 if (WIFSTOPPED(reason)) { 404 status = WSTOPSIG(reason); /* stopped */ 405 } else if (WIFEXITED(reason)) { 406 status = WEXITSTATUS(reason); /* exited */ 407 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 408 if (useMeta) { 409 meta_cmd_finish(NULL); 410 } 411 #endif 412 if (status != 0) { 413 if (DEBUG(ERROR)) { 414 fprintf(debug_file, "\n*** Failed target: %s\n*** Failed command: ", 415 gn->name); 416 for (cp = cmd; *cp; ) { 417 if (isspace((unsigned char)*cp)) { 418 fprintf(debug_file, " "); 419 while (isspace((unsigned char)*cp)) 420 cp++; 421 } else { 422 fprintf(debug_file, "%c", *cp); 423 cp++; 424 } 425 } 426 fprintf(debug_file, "\n"); 427 } 428 printf("*** Error code %d", status); 429 } 430 } else { 431 status = WTERMSIG(reason); /* signaled */ 432 printf("*** Signal %d", status); 433 } 434 435 436 if (!WIFEXITED(reason) || (status != 0)) { 437 if (errCheck) { 438 #ifdef USE_META 439 if (useMeta) { 440 meta_job_error(NULL, gn, 0, status); 441 } 442 #endif 443 gn->made = ERROR; 444 if (keepgoing) { 445 /* 446 * Abort the current target, but let others 447 * continue. 448 */ 449 printf(" (continuing)\n"); 450 } 451 } else { 452 /* 453 * Continue executing commands for this target. 454 * If we return 0, this will happen... 455 */ 456 printf(" (ignored)\n"); 457 status = 0; 458 } 459 } 460 break; 461 } else { 462 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 463 /*NOTREACHED*/ 464 } 465 } 466 free(cmdStart); 467 468 return (status); 469 } 470 471 /*- 472 *----------------------------------------------------------------------- 473 * Compat_Make -- 474 * Make a target. 475 * 476 * Input: 477 * gnp The node to make 478 * pgnp Parent to abort if necessary 479 * 480 * Results: 481 * 0 482 * 483 * Side Effects: 484 * If an error is detected and not being ignored, the process exits. 485 * 486 *----------------------------------------------------------------------- 487 */ 488 int 489 Compat_Make(void *gnp, void *pgnp) 490 { 491 GNode *gn = (GNode *)gnp; 492 GNode *pgn = (GNode *)pgnp; 493 494 if (!shellName) /* we came here from jobs */ 495 Shell_Init(); 496 if (gn->made == UNMADE && (gn == pgn || (pgn->type & OP_MADE) == 0)) { 497 /* 498 * First mark ourselves to be made, then apply whatever transformations 499 * the suffix module thinks are necessary. Once that's done, we can 500 * descend and make all our children. If any of them has an error 501 * but the -k flag was given, our 'make' field will be set FALSE again. 502 * This is our signal to not attempt to do anything but abort our 503 * parent as well. 504 */ 505 gn->flags |= REMAKE; 506 gn->made = BEINGMADE; 507 if ((gn->type & OP_MADE) == 0) 508 Suff_FindDeps(gn); 509 Lst_ForEach(gn->children, Compat_Make, gn); 510 if ((gn->flags & REMAKE) == 0) { 511 gn->made = ABORTED; 512 pgn->flags &= ~REMAKE; 513 goto cohorts; 514 } 515 516 if (Lst_Member(gn->iParents, pgn) != NULL) { 517 char *p1; 518 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 519 free(p1); 520 } 521 522 /* 523 * All the children were made ok. Now cmgn->mtime contains the 524 * modification time of the newest child, we need to find out if we 525 * exist and when we were modified last. The criteria for datedness 526 * are defined by the Make_OODate function. 527 */ 528 if (DEBUG(MAKE)) { 529 fprintf(debug_file, "Examining %s...", gn->name); 530 } 531 if (! Make_OODate(gn)) { 532 gn->made = UPTODATE; 533 if (DEBUG(MAKE)) { 534 fprintf(debug_file, "up-to-date.\n"); 535 } 536 goto cohorts; 537 } else if (DEBUG(MAKE)) { 538 fprintf(debug_file, "out-of-date.\n"); 539 } 540 541 /* 542 * If the user is just seeing if something is out-of-date, exit now 543 * to tell him/her "yes". 544 */ 545 if (queryFlag) { 546 exit(1); 547 } 548 549 /* 550 * We need to be re-made. We also have to make sure we've got a $? 551 * variable. To be nice, we also define the $> variable using 552 * Make_DoAllVar(). 553 */ 554 Make_DoAllVar(gn); 555 556 /* 557 * Alter our type to tell if errors should be ignored or things 558 * should not be printed so CompatRunCommand knows what to do. 559 */ 560 if (Targ_Ignore(gn)) { 561 gn->type |= OP_IGNORE; 562 } 563 if (Targ_Silent(gn)) { 564 gn->type |= OP_SILENT; 565 } 566 567 if (Job_CheckCommands(gn, Fatal)) { 568 /* 569 * Our commands are ok, but we still have to worry about the -t 570 * flag... 571 */ 572 if (!touchFlag || (gn->type & OP_MAKE)) { 573 curTarg = gn; 574 #ifdef USE_META 575 if (useMeta && !NoExecute(gn)) { 576 meta_job_start(NULL, gn); 577 } 578 #endif 579 Lst_ForEach(gn->commands, CompatRunCommand, gn); 580 curTarg = NULL; 581 } else { 582 Job_Touch(gn, gn->type & OP_SILENT); 583 } 584 } else { 585 gn->made = ERROR; 586 } 587 #ifdef USE_META 588 if (useMeta && !NoExecute(gn)) { 589 if (meta_job_finish(NULL) != 0) 590 gn->made = ERROR; 591 } 592 #endif 593 594 if (gn->made != ERROR) { 595 /* 596 * If the node was made successfully, mark it so, update 597 * its modification time and timestamp all its parents. Note 598 * that for .ZEROTIME targets, the timestamping isn't done. 599 * This is to keep its state from affecting that of its parent. 600 */ 601 gn->made = MADE; 602 pgn->flags |= Make_Recheck(gn) == 0 ? FORCE : 0; 603 if (!(gn->type & OP_EXEC)) { 604 pgn->flags |= CHILDMADE; 605 Make_TimeStamp(pgn, gn); 606 } 607 } else if (keepgoing) { 608 pgn->flags &= ~REMAKE; 609 } else { 610 PrintOnError(gn, "\n\nStop."); 611 exit(1); 612 } 613 } else if (gn->made == ERROR) { 614 /* 615 * Already had an error when making this beastie. Tell the parent 616 * to abort. 617 */ 618 pgn->flags &= ~REMAKE; 619 } else { 620 if (Lst_Member(gn->iParents, pgn) != NULL) { 621 char *p1; 622 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 623 free(p1); 624 } 625 switch(gn->made) { 626 case BEINGMADE: 627 Error("Graph cycles through %s", gn->name); 628 gn->made = ERROR; 629 pgn->flags &= ~REMAKE; 630 break; 631 case MADE: 632 if ((gn->type & OP_EXEC) == 0) { 633 pgn->flags |= CHILDMADE; 634 Make_TimeStamp(pgn, gn); 635 } 636 break; 637 case UPTODATE: 638 if ((gn->type & OP_EXEC) == 0) { 639 Make_TimeStamp(pgn, gn); 640 } 641 break; 642 default: 643 break; 644 } 645 } 646 647 cohorts: 648 Lst_ForEach(gn->cohorts, Compat_Make, pgnp); 649 return (0); 650 } 651 652 /*- 653 *----------------------------------------------------------------------- 654 * Compat_Run -- 655 * Initialize this mode and start making. 656 * 657 * Input: 658 * targs List of target nodes to re-create 659 * 660 * Results: 661 * None. 662 * 663 * Side Effects: 664 * Guess what? 665 * 666 *----------------------------------------------------------------------- 667 */ 668 void 669 Compat_Run(Lst targs) 670 { 671 GNode *gn = NULL;/* Current root target */ 672 int errors; /* Number of targets not remade due to errors */ 673 674 if (!shellName) 675 Shell_Init(); 676 677 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) { 678 bmake_signal(SIGINT, CompatInterrupt); 679 } 680 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) { 681 bmake_signal(SIGTERM, CompatInterrupt); 682 } 683 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) { 684 bmake_signal(SIGHUP, CompatInterrupt); 685 } 686 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) { 687 bmake_signal(SIGQUIT, CompatInterrupt); 688 } 689 690 ENDNode = Targ_FindNode(".END", TARG_CREATE); 691 ENDNode->type = OP_SPECIAL; 692 /* 693 * If the user has defined a .BEGIN target, execute the commands attached 694 * to it. 695 */ 696 if (!queryFlag) { 697 gn = Targ_FindNode(".BEGIN", TARG_NOCREATE); 698 if (gn != NULL) { 699 Compat_Make(gn, gn); 700 if (gn->made == ERROR) { 701 PrintOnError(gn, "\n\nStop."); 702 exit(1); 703 } 704 } 705 } 706 707 /* 708 * Expand .USE nodes right now, because they can modify the structure 709 * of the tree. 710 */ 711 Make_ExpandUse(targs); 712 713 /* 714 * For each entry in the list of targets to create, call Compat_Make on 715 * it to create the thing. Compat_Make will leave the 'made' field of gn 716 * in one of several states: 717 * UPTODATE gn was already up-to-date 718 * MADE gn was recreated successfully 719 * ERROR An error occurred while gn was being created 720 * ABORTED gn was not remade because one of its inferiors 721 * could not be made due to errors. 722 */ 723 errors = 0; 724 while (!Lst_IsEmpty (targs)) { 725 gn = (GNode *)Lst_DeQueue(targs); 726 Compat_Make(gn, gn); 727 728 if (gn->made == UPTODATE) { 729 printf("`%s' is up to date.\n", gn->name); 730 } else if (gn->made == ABORTED) { 731 printf("`%s' not remade because of errors.\n", gn->name); 732 errors += 1; 733 } 734 } 735 736 /* 737 * If the user has defined a .END target, run its commands. 738 */ 739 if (errors == 0) { 740 Compat_Make(ENDNode, ENDNode); 741 if (gn->made == ERROR) { 742 PrintOnError(gn, "\n\nStop."); 743 exit(1); 744 } 745 } 746 } 747