1 /* $NetBSD: compat.c,v 1.101 2015/10/11 04:51:24 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 1.101 2015/10/11 04:51:24 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 1.101 2015/10/11 04:51:24 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
CompatInterrupt(int signo)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 if (p1)
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
CompatRunCommand(void * cmdp,void * gnp)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, FALSE, TRUE);
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 if (mav)
378 free(mav);
379 if (bp)
380 free(bp);
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
Compat_Make(void * gnp,void * pgnp)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 if (p1)
520 free(p1);
521 }
522
523 /*
524 * All the children were made ok. Now cmgn->mtime contains the
525 * modification time of the newest child, we need to find out if we
526 * exist and when we were modified last. The criteria for datedness
527 * are defined by the Make_OODate function.
528 */
529 if (DEBUG(MAKE)) {
530 fprintf(debug_file, "Examining %s...", gn->name);
531 }
532 if (! Make_OODate(gn)) {
533 gn->made = UPTODATE;
534 if (DEBUG(MAKE)) {
535 fprintf(debug_file, "up-to-date.\n");
536 }
537 goto cohorts;
538 } else if (DEBUG(MAKE)) {
539 fprintf(debug_file, "out-of-date.\n");
540 }
541
542 /*
543 * If the user is just seeing if something is out-of-date, exit now
544 * to tell him/her "yes".
545 */
546 if (queryFlag) {
547 exit(1);
548 }
549
550 /*
551 * We need to be re-made. We also have to make sure we've got a $?
552 * variable. To be nice, we also define the $> variable using
553 * Make_DoAllVar().
554 */
555 Make_DoAllVar(gn);
556
557 /*
558 * Alter our type to tell if errors should be ignored or things
559 * should not be printed so CompatRunCommand knows what to do.
560 */
561 if (Targ_Ignore(gn)) {
562 gn->type |= OP_IGNORE;
563 }
564 if (Targ_Silent(gn)) {
565 gn->type |= OP_SILENT;
566 }
567
568 if (Job_CheckCommands(gn, Fatal)) {
569 /*
570 * Our commands are ok, but we still have to worry about the -t
571 * flag...
572 */
573 if (!touchFlag || (gn->type & OP_MAKE)) {
574 curTarg = gn;
575 #ifdef USE_META
576 if (useMeta && !NoExecute(gn)) {
577 meta_job_start(NULL, gn);
578 }
579 #endif
580 Lst_ForEach(gn->commands, CompatRunCommand, gn);
581 curTarg = NULL;
582 } else {
583 Job_Touch(gn, gn->type & OP_SILENT);
584 }
585 } else {
586 gn->made = ERROR;
587 }
588 #ifdef USE_META
589 if (useMeta && !NoExecute(gn)) {
590 meta_job_finish(NULL);
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 if (p1)
624 free(p1);
625 }
626 switch(gn->made) {
627 case BEINGMADE:
628 Error("Graph cycles through %s", gn->name);
629 gn->made = ERROR;
630 pgn->flags &= ~REMAKE;
631 break;
632 case MADE:
633 if ((gn->type & OP_EXEC) == 0) {
634 pgn->flags |= CHILDMADE;
635 Make_TimeStamp(pgn, gn);
636 }
637 break;
638 case UPTODATE:
639 if ((gn->type & OP_EXEC) == 0) {
640 Make_TimeStamp(pgn, gn);
641 }
642 break;
643 default:
644 break;
645 }
646 }
647
648 cohorts:
649 Lst_ForEach(gn->cohorts, Compat_Make, pgnp);
650 return (0);
651 }
652
653 /*-
654 *-----------------------------------------------------------------------
655 * Compat_Run --
656 * Initialize this mode and start making.
657 *
658 * Input:
659 * targs List of target nodes to re-create
660 *
661 * Results:
662 * None.
663 *
664 * Side Effects:
665 * Guess what?
666 *
667 *-----------------------------------------------------------------------
668 */
669 void
Compat_Run(Lst targs)670 Compat_Run(Lst targs)
671 {
672 GNode *gn = NULL;/* Current root target */
673 int errors; /* Number of targets not remade due to errors */
674
675 if (!shellName)
676 Shell_Init();
677
678 if (bmake_signal(SIGINT, SIG_IGN) != SIG_IGN) {
679 bmake_signal(SIGINT, CompatInterrupt);
680 }
681 if (bmake_signal(SIGTERM, SIG_IGN) != SIG_IGN) {
682 bmake_signal(SIGTERM, CompatInterrupt);
683 }
684 if (bmake_signal(SIGHUP, SIG_IGN) != SIG_IGN) {
685 bmake_signal(SIGHUP, CompatInterrupt);
686 }
687 if (bmake_signal(SIGQUIT, SIG_IGN) != SIG_IGN) {
688 bmake_signal(SIGQUIT, CompatInterrupt);
689 }
690
691 ENDNode = Targ_FindNode(".END", TARG_CREATE);
692 ENDNode->type = OP_SPECIAL;
693 /*
694 * If the user has defined a .BEGIN target, execute the commands attached
695 * to it.
696 */
697 if (!queryFlag) {
698 gn = Targ_FindNode(".BEGIN", TARG_NOCREATE);
699 if (gn != NULL) {
700 Compat_Make(gn, gn);
701 if (gn->made == ERROR) {
702 PrintOnError(gn, "\n\nStop.");
703 exit(1);
704 }
705 }
706 }
707
708 /*
709 * Expand .USE nodes right now, because they can modify the structure
710 * of the tree.
711 */
712 Make_ExpandUse(targs);
713
714 /*
715 * For each entry in the list of targets to create, call Compat_Make on
716 * it to create the thing. Compat_Make will leave the 'made' field of gn
717 * in one of several states:
718 * UPTODATE gn was already up-to-date
719 * MADE gn was recreated successfully
720 * ERROR An error occurred while gn was being created
721 * ABORTED gn was not remade because one of its inferiors
722 * could not be made due to errors.
723 */
724 errors = 0;
725 while (!Lst_IsEmpty (targs)) {
726 gn = (GNode *)Lst_DeQueue(targs);
727 Compat_Make(gn, gn);
728
729 if (gn->made == UPTODATE) {
730 printf("`%s' is up to date.\n", gn->name);
731 } else if (gn->made == ABORTED) {
732 printf("`%s' not remade because of errors.\n", gn->name);
733 errors += 1;
734 }
735 }
736
737 /*
738 * If the user has defined a .END target, run its commands.
739 */
740 if (errors == 0) {
741 Compat_Make(ENDNode, ENDNode);
742 if (gn->made == ERROR) {
743 PrintOnError(gn, "\n\nStop.");
744 exit(1);
745 }
746 }
747 }
748