1 /* $NetBSD: compat.c,v 1.90 2012/10/07 19:17:31 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 1.90 2012/10/07 19:17:31 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 1.90 2012/10/07 19:17:31 sjg Exp $"); 81 #endif 82 #endif /* not lint */ 83 #endif 84 85 /*- 86 * compat.c -- 87 * The routines in this file implement the full-compatibility 88 * mode of PMake. Most of the special functionality of PMake 89 * is available in this mode. Things not supported: 90 * - different shells. 91 * - friendly variable substitution. 92 * 93 * Interface: 94 * Compat_Run Initialize things for this module and recreate 95 * thems as need creatin' 96 */ 97 98 #ifdef HAVE_CONFIG_H 99 # include "config.h" 100 #endif 101 #include <sys/types.h> 102 #include <sys/stat.h> 103 #include "wait.h" 104 105 #include <ctype.h> 106 #include <errno.h> 107 #include <signal.h> 108 #include <stdio.h> 109 110 #include "make.h" 111 #include "hash.h" 112 #include "dir.h" 113 #include "job.h" 114 #include "pathnames.h" 115 116 /* 117 * The following array is used to make a fast determination of which 118 * characters are interpreted specially by the shell. If a command 119 * contains any of these characters, it is executed by the shell, not 120 * directly by us. 121 */ 122 123 static char meta[256]; 124 125 static GNode *curTarg = NULL; 126 static GNode *ENDNode; 127 static void CompatInterrupt(int); 128 129 static void 130 Compat_Init(void) 131 { 132 const char *cp; 133 134 Shell_Init(); /* setup default shell */ 135 136 for (cp = "#=|^(){};&<>*?[]:$`\\\n"; *cp != '\0'; cp++) { 137 meta[(unsigned char) *cp] = 1; 138 } 139 /* 140 * The null character serves as a sentinel in the string. 141 */ 142 meta[0] = 1; 143 } 144 145 /*- 146 *----------------------------------------------------------------------- 147 * CompatInterrupt -- 148 * Interrupt the creation of the current target and remove it if 149 * it ain't precious. 150 * 151 * Results: 152 * None. 153 * 154 * Side Effects: 155 * The target is removed and the process exits. If .INTERRUPT exists, 156 * its commands are run first WITH INTERRUPTS IGNORED.. 157 * 158 *----------------------------------------------------------------------- 159 */ 160 static void 161 CompatInterrupt(int signo) 162 { 163 GNode *gn; 164 165 if ((curTarg != NULL) && !Targ_Precious (curTarg)) { 166 char *p1; 167 char *file = Var_Value(TARGET, curTarg, &p1); 168 169 if (!noExecute && eunlink(file) != -1) { 170 Error("*** %s removed", file); 171 } 172 if (p1) 173 free(p1); 174 175 /* 176 * Run .INTERRUPT only if hit with interrupt signal 177 */ 178 if (signo == SIGINT) { 179 gn = Targ_FindNode(".INTERRUPT", TARG_NOCREATE); 180 if (gn != NULL) { 181 Compat_Make(gn, gn); 182 } 183 } 184 185 } 186 if (signo == SIGQUIT) 187 _exit(signo); 188 bmake_signal(signo, SIG_DFL); 189 kill(myPid, signo); 190 } 191 192 /*- 193 *----------------------------------------------------------------------- 194 * CompatRunCommand -- 195 * Execute the next command for a target. If the command returns an 196 * error, the node's made field is set to ERROR and creation stops. 197 * 198 * Input: 199 * cmdp Command to execute 200 * gnp Node from which the command came 201 * 202 * Results: 203 * 0 if the command succeeded, 1 if an error occurred. 204 * 205 * Side Effects: 206 * The node's 'made' field may be set to ERROR. 207 * 208 *----------------------------------------------------------------------- 209 */ 210 int 211 CompatRunCommand(void *cmdp, void *gnp) 212 { 213 char *cmdStart; /* Start of expanded command */ 214 char *cp, *bp; 215 Boolean silent, /* Don't print command */ 216 doIt; /* Execute even if -n */ 217 volatile Boolean errCheck; /* Check errors */ 218 WAIT_T reason; /* Reason for child's death */ 219 int status; /* Description of child's death */ 220 pid_t cpid; /* Child actually found */ 221 pid_t retstat; /* Result of wait */ 222 LstNode cmdNode; /* Node where current command is located */ 223 const char ** volatile av; /* Argument vector for thing to exec */ 224 char ** volatile mav;/* Copy of the argument vector for freeing */ 225 int argc; /* Number of arguments in av or 0 if not 226 * dynamically allocated */ 227 Boolean local; /* TRUE if command should be executed 228 * locally */ 229 Boolean useShell; /* TRUE if command should be executed 230 * using a shell */ 231 char * volatile cmd = (char *)cmdp; 232 GNode *gn = (GNode *)gnp; 233 234 silent = gn->type & OP_SILENT; 235 errCheck = !(gn->type & OP_IGNORE); 236 doIt = FALSE; 237 238 cmdNode = Lst_Member(gn->commands, cmd); 239 cmdStart = Var_Subst(NULL, cmd, gn, FALSE); 240 241 /* 242 * brk_string will return an argv with a NULL in av[0], thus causing 243 * execvp to choke and die horribly. Besides, how can we execute a null 244 * command? In any case, we warn the user that the command expanded to 245 * nothing (is this the right thing to do?). 246 */ 247 248 if (*cmdStart == '\0') { 249 free(cmdStart); 250 return(0); 251 } 252 cmd = cmdStart; 253 Lst_Replace(cmdNode, cmdStart); 254 255 if ((gn->type & OP_SAVE_CMDS) && (gn != ENDNode)) { 256 (void)Lst_AtEnd(ENDNode->commands, cmdStart); 257 return(0); 258 } 259 if (strcmp(cmdStart, "...") == 0) { 260 gn->type |= OP_SAVE_CMDS; 261 return(0); 262 } 263 264 while ((*cmd == '@') || (*cmd == '-') || (*cmd == '+')) { 265 switch (*cmd) { 266 case '@': 267 silent = DEBUG(LOUD) ? FALSE : TRUE; 268 break; 269 case '-': 270 errCheck = FALSE; 271 break; 272 case '+': 273 doIt = TRUE; 274 if (!meta[0]) /* we came here from jobs */ 275 Compat_Init(); 276 break; 277 } 278 cmd++; 279 } 280 281 while (isspace((unsigned char)*cmd)) 282 cmd++; 283 284 /* 285 * If we did not end up with a command, just skip it. 286 */ 287 if (!*cmd) 288 return (0); 289 290 #if !defined(MAKE_NATIVE) 291 /* 292 * In a non-native build, the host environment might be weird enough 293 * that it's necessary to go through a shell to get the correct 294 * behaviour. Or perhaps the shell has been replaced with something 295 * that does extra logging, and that should not be bypassed. 296 */ 297 useShell = TRUE; 298 #else 299 /* 300 * Search for meta characters in the command. If there are no meta 301 * characters, there's no need to execute a shell to execute the 302 * command. 303 */ 304 for (cp = cmd; !meta[(unsigned char)*cp]; cp++) { 305 continue; 306 } 307 useShell = (*cp != '\0'); 308 #endif 309 310 /* 311 * Print the command before echoing if we're not supposed to be quiet for 312 * this one. We also print the command if -n given. 313 */ 314 if (!silent || NoExecute(gn)) { 315 printf("%s\n", cmd); 316 fflush(stdout); 317 } 318 319 /* 320 * If we're not supposed to execute any commands, this is as far as 321 * we go... 322 */ 323 if (!doIt && NoExecute(gn)) { 324 return (0); 325 } 326 if (DEBUG(JOB)) 327 fprintf(debug_file, "Execute: '%s'\n", cmd); 328 329 again: 330 if (useShell) { 331 /* 332 * We need to pass the command off to the shell, typically 333 * because the command contains a "meta" character. 334 */ 335 static const char *shargv[4]; 336 337 shargv[0] = shellPath; 338 /* 339 * The following work for any of the builtin shell specs. 340 */ 341 if (DEBUG(SHELL)) 342 shargv[1] = "-xc"; 343 else 344 shargv[1] = "-c"; 345 shargv[2] = cmd; 346 shargv[3] = NULL; 347 av = shargv; 348 argc = 0; 349 bp = NULL; 350 mav = NULL; 351 } else { 352 /* 353 * No meta-characters, so no need to exec a shell. Break the command 354 * into words to form an argument vector we can execute. 355 */ 356 mav = brk_string(cmd, &argc, TRUE, &bp); 357 if (mav == NULL) { 358 useShell = 1; 359 goto again; 360 } 361 av = (void *)mav; 362 } 363 364 local = TRUE; 365 366 #ifdef USE_META 367 if (useMeta) { 368 meta_compat_start(); 369 } 370 #endif 371 372 /* 373 * Fork and execute the single command. If the fork fails, we abort. 374 */ 375 cpid = vFork(); 376 if (cpid < 0) { 377 Fatal("Could not fork"); 378 } 379 if (cpid == 0) { 380 Check_Cwd(av); 381 Var_ExportVars(); 382 #ifdef USE_META 383 if (useMeta) { 384 meta_compat_child(); 385 } 386 #endif 387 if (local) 388 (void)execvp(av[0], (char *const *)UNCONST(av)); 389 else 390 (void)execv(av[0], (char *const *)UNCONST(av)); 391 execError("exec", av[0]); 392 _exit(1); 393 } 394 if (mav) 395 free(mav); 396 if (bp) 397 free(bp); 398 Lst_Replace(cmdNode, NULL); 399 400 #ifdef USE_META 401 if (useMeta) { 402 meta_compat_parent(); 403 } 404 #endif 405 406 /* 407 * The child is off and running. Now all we can do is wait... 408 */ 409 while (1) { 410 411 while ((retstat = wait(&reason)) != cpid) { 412 if (retstat > 0) 413 JobReapChild(retstat, reason, FALSE); /* not ours? */ 414 if (retstat == -1 && errno != EINTR) { 415 break; 416 } 417 } 418 419 if (retstat > -1) { 420 if (WIFSTOPPED(reason)) { 421 status = WSTOPSIG(reason); /* stopped */ 422 } else if (WIFEXITED(reason)) { 423 status = WEXITSTATUS(reason); /* exited */ 424 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 425 if (useMeta) { 426 meta_cmd_finish(NULL); 427 } 428 #endif 429 if (status != 0) { 430 if (DEBUG(ERROR)) { 431 fprintf(debug_file, "\n*** Failed target: %s\n*** Failed command: ", 432 gn->name); 433 for (cp = cmd; *cp; ) { 434 if (isspace((unsigned char)*cp)) { 435 fprintf(debug_file, " "); 436 while (isspace((unsigned char)*cp)) 437 cp++; 438 } else { 439 fprintf(debug_file, "%c", *cp); 440 cp++; 441 } 442 } 443 fprintf(debug_file, "\n"); 444 } 445 printf("*** Error code %d", status); 446 } 447 } else { 448 status = WTERMSIG(reason); /* signaled */ 449 printf("*** Signal %d", status); 450 } 451 452 453 if (!WIFEXITED(reason) || (status != 0)) { 454 if (errCheck) { 455 #ifdef USE_META 456 if (useMeta) { 457 meta_job_error(NULL, gn, 0, status); 458 } 459 #endif 460 gn->made = ERROR; 461 if (keepgoing) { 462 /* 463 * Abort the current target, but let others 464 * continue. 465 */ 466 printf(" (continuing)\n"); 467 } 468 } else { 469 /* 470 * Continue executing commands for this target. 471 * If we return 0, this will happen... 472 */ 473 printf(" (ignored)\n"); 474 status = 0; 475 } 476 } 477 break; 478 } else { 479 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 480 /*NOTREACHED*/ 481 } 482 } 483 free(cmdStart); 484 485 return (status); 486 } 487 488 /*- 489 *----------------------------------------------------------------------- 490 * Compat_Make -- 491 * Make a target. 492 * 493 * Input: 494 * gnp The node to make 495 * pgnp Parent to abort if necessary 496 * 497 * Results: 498 * 0 499 * 500 * Side Effects: 501 * If an error is detected and not being ignored, the process exits. 502 * 503 *----------------------------------------------------------------------- 504 */ 505 int 506 Compat_Make(void *gnp, void *pgnp) 507 { 508 GNode *gn = (GNode *)gnp; 509 GNode *pgn = (GNode *)pgnp; 510 511 if (!meta[0]) /* we came here from jobs */ 512 Compat_Init(); 513 if (gn->made == UNMADE && (gn == pgn || (pgn->type & OP_MADE) == 0)) { 514 /* 515 * First mark ourselves to be made, then apply whatever transformations 516 * the suffix module thinks are necessary. Once that's done, we can 517 * descend and make all our children. If any of them has an error 518 * but the -k flag was given, our 'make' field will be set FALSE again. 519 * This is our signal to not attempt to do anything but abort our 520 * parent as well. 521 */ 522 gn->flags |= REMAKE; 523 gn->made = BEINGMADE; 524 if ((gn->type & OP_MADE) == 0) 525 Suff_FindDeps(gn); 526 Lst_ForEach(gn->children, Compat_Make, gn); 527 if ((gn->flags & REMAKE) == 0) { 528 gn->made = ABORTED; 529 pgn->flags &= ~REMAKE; 530 goto cohorts; 531 } 532 533 if (Lst_Member(gn->iParents, pgn) != NULL) { 534 char *p1; 535 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 536 if (p1) 537 free(p1); 538 } 539 540 /* 541 * All the children were made ok. Now cmgn->mtime contains the 542 * modification time of the newest child, we need to find out if we 543 * exist and when we were modified last. The criteria for datedness 544 * are defined by the Make_OODate function. 545 */ 546 if (DEBUG(MAKE)) { 547 fprintf(debug_file, "Examining %s...", gn->name); 548 } 549 if (! Make_OODate(gn)) { 550 gn->made = UPTODATE; 551 if (DEBUG(MAKE)) { 552 fprintf(debug_file, "up-to-date.\n"); 553 } 554 goto cohorts; 555 } else if (DEBUG(MAKE)) { 556 fprintf(debug_file, "out-of-date.\n"); 557 } 558 559 /* 560 * If the user is just seeing if something is out-of-date, exit now 561 * to tell him/her "yes". 562 */ 563 if (queryFlag) { 564 exit(1); 565 } 566 567 /* 568 * We need to be re-made. We also have to make sure we've got a $? 569 * variable. To be nice, we also define the $> variable using 570 * Make_DoAllVar(). 571 */ 572 Make_DoAllVar(gn); 573 574 /* 575 * Alter our type to tell if errors should be ignored or things 576 * should not be printed so CompatRunCommand knows what to do. 577 */ 578 if (Targ_Ignore(gn)) { 579 gn->type |= OP_IGNORE; 580 } 581 if (Targ_Silent(gn)) { 582 gn->type |= OP_SILENT; 583 } 584 585 if (Job_CheckCommands(gn, Fatal)) { 586 /* 587 * Our commands are ok, but we still have to worry about the -t 588 * flag... 589 */ 590 if (!touchFlag || (gn->type & OP_MAKE)) { 591 curTarg = gn; 592 #ifdef USE_META 593 if (useMeta && !NoExecute(gn)) { 594 meta_job_start(NULL, gn); 595 } 596 #endif 597 Lst_ForEach(gn->commands, CompatRunCommand, gn); 598 curTarg = NULL; 599 } else { 600 Job_Touch(gn, gn->type & OP_SILENT); 601 } 602 } else { 603 gn->made = ERROR; 604 } 605 #ifdef USE_META 606 if (useMeta && !NoExecute(gn)) { 607 meta_job_finish(NULL); 608 } 609 #endif 610 611 if (gn->made != ERROR) { 612 /* 613 * If the node was made successfully, mark it so, update 614 * its modification time and timestamp all its parents. Note 615 * that for .ZEROTIME targets, the timestamping isn't done. 616 * This is to keep its state from affecting that of its parent. 617 */ 618 gn->made = MADE; 619 pgn->flags |= Make_Recheck(gn) == 0 ? FORCE : 0; 620 if (!(gn->type & OP_EXEC)) { 621 pgn->flags |= CHILDMADE; 622 Make_TimeStamp(pgn, gn); 623 } 624 } else if (keepgoing) { 625 pgn->flags &= ~REMAKE; 626 } else { 627 PrintOnError(gn, "\n\nStop."); 628 exit(1); 629 } 630 } else if (gn->made == ERROR) { 631 /* 632 * Already had an error when making this beastie. Tell the parent 633 * to abort. 634 */ 635 pgn->flags &= ~REMAKE; 636 } else { 637 if (Lst_Member(gn->iParents, pgn) != NULL) { 638 char *p1; 639 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 640 if (p1) 641 free(p1); 642 } 643 switch(gn->made) { 644 case BEINGMADE: 645 Error("Graph cycles through %s", gn->name); 646 gn->made = ERROR; 647 pgn->flags &= ~REMAKE; 648 break; 649 case MADE: 650 if ((gn->type & OP_EXEC) == 0) { 651 pgn->flags |= CHILDMADE; 652 Make_TimeStamp(pgn, gn); 653 } 654 break; 655 case UPTODATE: 656 if ((gn->type & OP_EXEC) == 0) { 657 Make_TimeStamp(pgn, gn); 658 } 659 break; 660 default: 661 break; 662 } 663 } 664 665 cohorts: 666 Lst_ForEach(gn->cohorts, Compat_Make, pgnp); 667 return (0); 668 } 669 670 /*- 671 *----------------------------------------------------------------------- 672 * Compat_Run -- 673 * Initialize this mode and start making. 674 * 675 * Input: 676 * targs List of target nodes to re-create 677 * 678 * Results: 679 * None. 680 * 681 * Side Effects: 682 * Guess what? 683 * 684 *----------------------------------------------------------------------- 685 */ 686 void 687 Compat_Run(Lst targs) 688 { 689 GNode *gn = NULL;/* Current root target */ 690 int errors; /* Number of targets not remade due to errors */ 691 692 Compat_Init(); 693 694 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) { 695 bmake_signal(SIGINT, CompatInterrupt); 696 } 697 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) { 698 bmake_signal(SIGTERM, CompatInterrupt); 699 } 700 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) { 701 bmake_signal(SIGHUP, CompatInterrupt); 702 } 703 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) { 704 bmake_signal(SIGQUIT, CompatInterrupt); 705 } 706 707 ENDNode = Targ_FindNode(".END", TARG_CREATE); 708 ENDNode->type = OP_SPECIAL; 709 /* 710 * If the user has defined a .BEGIN target, execute the commands attached 711 * to it. 712 */ 713 if (!queryFlag) { 714 gn = Targ_FindNode(".BEGIN", TARG_NOCREATE); 715 if (gn != NULL) { 716 Compat_Make(gn, gn); 717 if (gn->made == ERROR) { 718 PrintOnError(gn, "\n\nStop."); 719 exit(1); 720 } 721 } 722 } 723 724 /* 725 * Expand .USE nodes right now, because they can modify the structure 726 * of the tree. 727 */ 728 Make_ExpandUse(targs); 729 730 /* 731 * For each entry in the list of targets to create, call Compat_Make on 732 * it to create the thing. Compat_Make will leave the 'made' field of gn 733 * in one of several states: 734 * UPTODATE gn was already up-to-date 735 * MADE gn was recreated successfully 736 * ERROR An error occurred while gn was being created 737 * ABORTED gn was not remade because one of its inferiors 738 * could not be made due to errors. 739 */ 740 errors = 0; 741 while (!Lst_IsEmpty (targs)) { 742 gn = (GNode *)Lst_DeQueue(targs); 743 Compat_Make(gn, gn); 744 745 if (gn->made == UPTODATE) { 746 printf("`%s' is up to date.\n", gn->name); 747 } else if (gn->made == ABORTED) { 748 printf("`%s' not remade because of errors.\n", gn->name); 749 errors += 1; 750 } 751 } 752 753 /* 754 * If the user has defined a .END target, run its commands. 755 */ 756 if (errors == 0) { 757 Compat_Make(ENDNode, ENDNode); 758 if (gn->made == ERROR) { 759 PrintOnError(gn, "\n\nStop."); 760 exit(1); 761 } 762 } 763 } 764