1 /* $NetBSD: compat.c,v 1.89 2012/06/10 21:44:01 wiz 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 1.89 2012/06/10 21:44:01 wiz 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 1.89 2012/06/10 21:44:01 wiz 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 Error("%s expands to empty string", cmd); 251 return(0); 252 } 253 cmd = cmdStart; 254 Lst_Replace(cmdNode, cmdStart); 255 256 if ((gn->type & OP_SAVE_CMDS) && (gn != ENDNode)) { 257 (void)Lst_AtEnd(ENDNode->commands, cmdStart); 258 return(0); 259 } 260 if (strcmp(cmdStart, "...") == 0) { 261 gn->type |= OP_SAVE_CMDS; 262 return(0); 263 } 264 265 while ((*cmd == '@') || (*cmd == '-') || (*cmd == '+')) { 266 switch (*cmd) { 267 case '@': 268 silent = DEBUG(LOUD) ? FALSE : TRUE; 269 break; 270 case '-': 271 errCheck = FALSE; 272 break; 273 case '+': 274 doIt = TRUE; 275 if (!meta[0]) /* we came here from jobs */ 276 Compat_Init(); 277 break; 278 } 279 cmd++; 280 } 281 282 while (isspace((unsigned char)*cmd)) 283 cmd++; 284 285 /* 286 * If we did not end up with a command, just skip it. 287 */ 288 if (!*cmd) 289 return (0); 290 291 #if !defined(MAKE_NATIVE) 292 /* 293 * In a non-native build, the host environment might be weird enough 294 * that it's necessary to go through a shell to get the correct 295 * behaviour. Or perhaps the shell has been replaced with something 296 * that does extra logging, and that should not be bypassed. 297 */ 298 useShell = TRUE; 299 #else 300 /* 301 * Search for meta characters in the command. If there are no meta 302 * characters, there's no need to execute a shell to execute the 303 * command. 304 */ 305 for (cp = cmd; !meta[(unsigned char)*cp]; cp++) { 306 continue; 307 } 308 useShell = (*cp != '\0'); 309 #endif 310 311 /* 312 * Print the command before echoing if we're not supposed to be quiet for 313 * this one. We also print the command if -n given. 314 */ 315 if (!silent || NoExecute(gn)) { 316 printf("%s\n", cmd); 317 fflush(stdout); 318 } 319 320 /* 321 * If we're not supposed to execute any commands, this is as far as 322 * we go... 323 */ 324 if (!doIt && NoExecute(gn)) { 325 return (0); 326 } 327 if (DEBUG(JOB)) 328 fprintf(debug_file, "Execute: '%s'\n", cmd); 329 330 again: 331 if (useShell) { 332 /* 333 * We need to pass the command off to the shell, typically 334 * because the command contains a "meta" character. 335 */ 336 static const char *shargv[4]; 337 338 shargv[0] = shellPath; 339 /* 340 * The following work for any of the builtin shell specs. 341 */ 342 if (DEBUG(SHELL)) 343 shargv[1] = "-xc"; 344 else 345 shargv[1] = "-c"; 346 shargv[2] = cmd; 347 shargv[3] = NULL; 348 av = shargv; 349 argc = 0; 350 bp = NULL; 351 mav = NULL; 352 } else { 353 /* 354 * No meta-characters, so no need to exec a shell. Break the command 355 * into words to form an argument vector we can execute. 356 */ 357 mav = brk_string(cmd, &argc, TRUE, &bp); 358 if (mav == NULL) { 359 useShell = 1; 360 goto again; 361 } 362 av = (void *)mav; 363 } 364 365 local = TRUE; 366 367 #ifdef USE_META 368 if (useMeta) { 369 meta_compat_start(); 370 } 371 #endif 372 373 /* 374 * Fork and execute the single command. If the fork fails, we abort. 375 */ 376 cpid = vFork(); 377 if (cpid < 0) { 378 Fatal("Could not fork"); 379 } 380 if (cpid == 0) { 381 Check_Cwd(av); 382 Var_ExportVars(); 383 #ifdef USE_META 384 if (useMeta) { 385 meta_compat_child(); 386 } 387 #endif 388 if (local) 389 (void)execvp(av[0], (char *const *)UNCONST(av)); 390 else 391 (void)execv(av[0], (char *const *)UNCONST(av)); 392 execError("exec", av[0]); 393 _exit(1); 394 } 395 if (mav) 396 free(mav); 397 if (bp) 398 free(bp); 399 Lst_Replace(cmdNode, NULL); 400 401 #ifdef USE_META 402 if (useMeta) { 403 meta_compat_parent(); 404 } 405 #endif 406 407 /* 408 * The child is off and running. Now all we can do is wait... 409 */ 410 while (1) { 411 412 while ((retstat = wait(&reason)) != cpid) { 413 if (retstat > 0) 414 JobReapChild(retstat, reason, FALSE); /* not ours? */ 415 if (retstat == -1 && errno != EINTR) { 416 break; 417 } 418 } 419 420 if (retstat > -1) { 421 if (WIFSTOPPED(reason)) { 422 status = WSTOPSIG(reason); /* stopped */ 423 } else if (WIFEXITED(reason)) { 424 status = WEXITSTATUS(reason); /* exited */ 425 #if defined(USE_META) && defined(USE_FILEMON_ONCE) 426 if (useMeta) { 427 meta_cmd_finish(NULL); 428 } 429 #endif 430 if (status != 0) { 431 if (DEBUG(ERROR)) { 432 fprintf(debug_file, "\n*** Failed target: %s\n*** Failed command: ", 433 gn->name); 434 for (cp = cmd; *cp; ) { 435 if (isspace((unsigned char)*cp)) { 436 fprintf(debug_file, " "); 437 while (isspace((unsigned char)*cp)) 438 cp++; 439 } else { 440 fprintf(debug_file, "%c", *cp); 441 cp++; 442 } 443 } 444 fprintf(debug_file, "\n"); 445 } 446 printf("*** Error code %d", status); 447 } 448 } else { 449 status = WTERMSIG(reason); /* signaled */ 450 printf("*** Signal %d", status); 451 } 452 453 454 if (!WIFEXITED(reason) || (status != 0)) { 455 if (errCheck) { 456 #ifdef USE_META 457 if (useMeta) { 458 meta_job_error(NULL, gn, 0, status); 459 } 460 #endif 461 gn->made = ERROR; 462 if (keepgoing) { 463 /* 464 * Abort the current target, but let others 465 * continue. 466 */ 467 printf(" (continuing)\n"); 468 } 469 } else { 470 /* 471 * Continue executing commands for this target. 472 * If we return 0, this will happen... 473 */ 474 printf(" (ignored)\n"); 475 status = 0; 476 } 477 } 478 break; 479 } else { 480 Fatal("error in wait: %d: %s", retstat, strerror(errno)); 481 /*NOTREACHED*/ 482 } 483 } 484 free(cmdStart); 485 486 return (status); 487 } 488 489 /*- 490 *----------------------------------------------------------------------- 491 * Compat_Make -- 492 * Make a target. 493 * 494 * Input: 495 * gnp The node to make 496 * pgnp Parent to abort if necessary 497 * 498 * Results: 499 * 0 500 * 501 * Side Effects: 502 * If an error is detected and not being ignored, the process exits. 503 * 504 *----------------------------------------------------------------------- 505 */ 506 int 507 Compat_Make(void *gnp, void *pgnp) 508 { 509 GNode *gn = (GNode *)gnp; 510 GNode *pgn = (GNode *)pgnp; 511 512 if (!meta[0]) /* we came here from jobs */ 513 Compat_Init(); 514 if (gn->made == UNMADE && (gn == pgn || (pgn->type & OP_MADE) == 0)) { 515 /* 516 * First mark ourselves to be made, then apply whatever transformations 517 * the suffix module thinks are necessary. Once that's done, we can 518 * descend and make all our children. If any of them has an error 519 * but the -k flag was given, our 'make' field will be set FALSE again. 520 * This is our signal to not attempt to do anything but abort our 521 * parent as well. 522 */ 523 gn->flags |= REMAKE; 524 gn->made = BEINGMADE; 525 if ((gn->type & OP_MADE) == 0) 526 Suff_FindDeps(gn); 527 Lst_ForEach(gn->children, Compat_Make, gn); 528 if ((gn->flags & REMAKE) == 0) { 529 gn->made = ABORTED; 530 pgn->flags &= ~REMAKE; 531 goto cohorts; 532 } 533 534 if (Lst_Member(gn->iParents, pgn) != NULL) { 535 char *p1; 536 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 537 if (p1) 538 free(p1); 539 } 540 541 /* 542 * All the children were made ok. Now cmgn->mtime contains the 543 * modification time of the newest child, we need to find out if we 544 * exist and when we were modified last. The criteria for datedness 545 * are defined by the Make_OODate function. 546 */ 547 if (DEBUG(MAKE)) { 548 fprintf(debug_file, "Examining %s...", gn->name); 549 } 550 if (! Make_OODate(gn)) { 551 gn->made = UPTODATE; 552 if (DEBUG(MAKE)) { 553 fprintf(debug_file, "up-to-date.\n"); 554 } 555 goto cohorts; 556 } else if (DEBUG(MAKE)) { 557 fprintf(debug_file, "out-of-date.\n"); 558 } 559 560 /* 561 * If the user is just seeing if something is out-of-date, exit now 562 * to tell him/her "yes". 563 */ 564 if (queryFlag) { 565 exit(1); 566 } 567 568 /* 569 * We need to be re-made. We also have to make sure we've got a $? 570 * variable. To be nice, we also define the $> variable using 571 * Make_DoAllVar(). 572 */ 573 Make_DoAllVar(gn); 574 575 /* 576 * Alter our type to tell if errors should be ignored or things 577 * should not be printed so CompatRunCommand knows what to do. 578 */ 579 if (Targ_Ignore(gn)) { 580 gn->type |= OP_IGNORE; 581 } 582 if (Targ_Silent(gn)) { 583 gn->type |= OP_SILENT; 584 } 585 586 if (Job_CheckCommands(gn, Fatal)) { 587 /* 588 * Our commands are ok, but we still have to worry about the -t 589 * flag... 590 */ 591 if (!touchFlag || (gn->type & OP_MAKE)) { 592 curTarg = gn; 593 #ifdef USE_META 594 if (useMeta && !NoExecute(gn)) { 595 meta_job_start(NULL, gn); 596 } 597 #endif 598 Lst_ForEach(gn->commands, CompatRunCommand, gn); 599 curTarg = NULL; 600 } else { 601 Job_Touch(gn, gn->type & OP_SILENT); 602 } 603 } else { 604 gn->made = ERROR; 605 } 606 #ifdef USE_META 607 if (useMeta && !NoExecute(gn)) { 608 meta_job_finish(NULL); 609 } 610 #endif 611 612 if (gn->made != ERROR) { 613 /* 614 * If the node was made successfully, mark it so, update 615 * its modification time and timestamp all its parents. Note 616 * that for .ZEROTIME targets, the timestamping isn't done. 617 * This is to keep its state from affecting that of its parent. 618 */ 619 gn->made = MADE; 620 pgn->flags |= Make_Recheck(gn) == 0 ? FORCE : 0; 621 if (!(gn->type & OP_EXEC)) { 622 pgn->flags |= CHILDMADE; 623 Make_TimeStamp(pgn, gn); 624 } 625 } else if (keepgoing) { 626 pgn->flags &= ~REMAKE; 627 } else { 628 PrintOnError(gn, "\n\nStop."); 629 exit(1); 630 } 631 } else if (gn->made == ERROR) { 632 /* 633 * Already had an error when making this beastie. Tell the parent 634 * to abort. 635 */ 636 pgn->flags &= ~REMAKE; 637 } else { 638 if (Lst_Member(gn->iParents, pgn) != NULL) { 639 char *p1; 640 Var_Set(IMPSRC, Var_Value(TARGET, gn, &p1), pgn, 0); 641 if (p1) 642 free(p1); 643 } 644 switch(gn->made) { 645 case BEINGMADE: 646 Error("Graph cycles through %s", gn->name); 647 gn->made = ERROR; 648 pgn->flags &= ~REMAKE; 649 break; 650 case MADE: 651 if ((gn->type & OP_EXEC) == 0) { 652 pgn->flags |= CHILDMADE; 653 Make_TimeStamp(pgn, gn); 654 } 655 break; 656 case UPTODATE: 657 if ((gn->type & OP_EXEC) == 0) { 658 Make_TimeStamp(pgn, gn); 659 } 660 break; 661 default: 662 break; 663 } 664 } 665 666 cohorts: 667 Lst_ForEach(gn->cohorts, Compat_Make, pgnp); 668 return (0); 669 } 670 671 /*- 672 *----------------------------------------------------------------------- 673 * Compat_Run -- 674 * Initialize this mode and start making. 675 * 676 * Input: 677 * targs List of target nodes to re-create 678 * 679 * Results: 680 * None. 681 * 682 * Side Effects: 683 * Guess what? 684 * 685 *----------------------------------------------------------------------- 686 */ 687 void 688 Compat_Run(Lst targs) 689 { 690 GNode *gn = NULL;/* Current root target */ 691 int errors; /* Number of targets not remade due to errors */ 692 693 Compat_Init(); 694 695 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) { 696 bmake_signal(SIGINT, CompatInterrupt); 697 } 698 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) { 699 bmake_signal(SIGTERM, CompatInterrupt); 700 } 701 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) { 702 bmake_signal(SIGHUP, CompatInterrupt); 703 } 704 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) { 705 bmake_signal(SIGQUIT, CompatInterrupt); 706 } 707 708 ENDNode = Targ_FindNode(".END", TARG_CREATE); 709 ENDNode->type = OP_SPECIAL; 710 /* 711 * If the user has defined a .BEGIN target, execute the commands attached 712 * to it. 713 */ 714 if (!queryFlag) { 715 gn = Targ_FindNode(".BEGIN", TARG_NOCREATE); 716 if (gn != NULL) { 717 Compat_Make(gn, gn); 718 if (gn->made == ERROR) { 719 PrintOnError(gn, "\n\nStop."); 720 exit(1); 721 } 722 } 723 } 724 725 /* 726 * Expand .USE nodes right now, because they can modify the structure 727 * of the tree. 728 */ 729 Make_ExpandUse(targs); 730 731 /* 732 * For each entry in the list of targets to create, call Compat_Make on 733 * it to create the thing. Compat_Make will leave the 'made' field of gn 734 * in one of several states: 735 * UPTODATE gn was already up-to-date 736 * MADE gn was recreated successfully 737 * ERROR An error occurred while gn was being created 738 * ABORTED gn was not remade because one of its inferiors 739 * could not be made due to errors. 740 */ 741 errors = 0; 742 while (!Lst_IsEmpty (targs)) { 743 gn = (GNode *)Lst_DeQueue(targs); 744 Compat_Make(gn, gn); 745 746 if (gn->made == UPTODATE) { 747 printf("`%s' is up to date.\n", gn->name); 748 } else if (gn->made == ABORTED) { 749 printf("`%s' not remade because of errors.\n", gn->name); 750 errors += 1; 751 } 752 } 753 754 /* 755 * If the user has defined a .END target, run its commands. 756 */ 757 if (errors == 0) { 758 Compat_Make(ENDNode, ENDNode); 759 if (gn->made == ERROR) { 760 PrintOnError(gn, "\n\nStop."); 761 exit(1); 762 } 763 } 764 } 765