Annotation of src/usr.bin/make/compat.c, Revision 1.49
1.36 espie 1: /* $OpenPackages$ */
1.49 ! millert 2: /* $OpenBSD: compat.c,v 1.48 2002/07/31 19:29:20 mickey Exp $ */
1.8 millert 3: /* $NetBSD: compat.c,v 1.14 1996/11/06 17:59:01 christos Exp $ */
1.1 deraadt 4:
5: /*
6: * Copyright (c) 1988, 1989, 1990 The Regents of the University of California.
7: * Copyright (c) 1988, 1989 by Adam de Boor
8: * Copyright (c) 1989 by Berkeley Softworks
9: * All rights reserved.
10: *
11: * This code is derived from software contributed to Berkeley by
12: * Adam de Boor.
13: *
14: * Redistribution and use in source and binary forms, with or without
15: * modification, are permitted provided that the following conditions
16: * are met:
17: * 1. Redistributions of source code must retain the above copyright
18: * notice, this list of conditions and the following disclaimer.
19: * 2. Redistributions in binary form must reproduce the above copyright
20: * notice, this list of conditions and the following disclaimer in the
21: * documentation and/or other materials provided with the distribution.
1.49 ! millert 22: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 23: * may be used to endorse or promote products derived from this software
24: * without specific prior written permission.
25: *
26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36: * SUCH DAMAGE.
37: */
38:
1.37 espie 39: #include <sys/types.h>
40: #include <sys/stat.h>
41: #include <sys/wait.h>
42: #include <ctype.h>
43: #include <errno.h>
1.39 espie 44: #include <limits.h>
1.37 espie 45: #include <signal.h>
46: #include <stddef.h>
47: #include <stdio.h>
1.39 espie 48: #include <stdlib.h>
1.38 espie 49: #include <string.h>
1.37 espie 50: #include <unistd.h>
51: #include "config.h"
52: #include "defines.h"
53: #include "dir.h"
54: #include "job.h"
55: #include "compat.h"
56: #include "suff.h"
57: #include "var.h"
58: #include "targ.h"
59: #include "error.h"
60: #include "str.h"
61: #include "extern.h"
62: #include "memory.h"
63: #include "gnode.h"
64: #include "make.h"
65: #include "timestamp.h"
66: #include "lst.h"
67: #include "pathnames.h"
1.1 deraadt 68:
1.36 espie 69: /* The following array is used to make a fast determination of which
1.1 deraadt 70: * characters are interpreted specially by the shell. If a command
71: * contains any of these characters, it is executed by the shell, not
1.36 espie 72: * directly by us. */
1.1 deraadt 73:
1.36 espie 74: static char meta[256];
1.1 deraadt 75:
76: static GNode *ENDNode;
1.36 espie 77: static void CompatInterrupt(int);
78: static int CompatRunCommand(void *, void *);
79: static void CompatMake(void *, void *);
80: static int shellneed(char **);
1.1 deraadt 81:
1.45 espie 82: static volatile sig_atomic_t interrupted;
83:
84: static void
1.36 espie 85: CompatInterrupt(signo)
1.45 espie 86: int signo;
1.1 deraadt 87: {
1.45 espie 88: if (interrupted != SIGINT)
89: interrupted = signo;
1.1 deraadt 90: }
1.36 espie 91:
1.1 deraadt 92: /*-
93: *-----------------------------------------------------------------------
1.10 deraadt 94: * shellneed --
1.36 espie 95: *
1.10 deraadt 96: * Results:
1.36 espie 97: * Returns 1 if a specified set of arguments
98: * must be executed by the shell,
1.12 espie 99: * 0 if it can be run via execve, and -1 if the command can be
1.36 espie 100: * handled internally
1.10 deraadt 101: *
102: * Side Effects:
1.12 espie 103: * May modify the process umask
1.10 deraadt 104: *-----------------------------------------------------------------------
105: */
106: static int
1.36 espie 107: shellneed(av)
1.12 espie 108: char **av;
1.10 deraadt 109: {
1.36 espie 110: char *runsh[] = {
1.11 deraadt 111: "alias", "cd", "eval", "exec", "exit", "read", "set", "ulimit",
1.36 espie 112: "unalias", "unset", "wait",
1.11 deraadt 113: NULL
114: };
115:
1.12 espie 116: char **p;
1.11 deraadt 117:
1.12 espie 118: /* FIXME most of these ARE actual no-ops */
1.11 deraadt 119: for (p = runsh; *p; p++)
1.12 espie 120: if (strcmp(av[0], *p) == 0)
1.36 espie 121: return 1;
1.11 deraadt 122:
1.12 espie 123: if (strcmp(av[0], "umask") == 0) {
1.10 deraadt 124: long umi;
125: char *ep = NULL;
126: mode_t um;
127:
1.12 espie 128: if (av[1] != NULL) {
129: umi = strtol(av[1], &ep, 8);
1.10 deraadt 130: if (ep == NULL)
1.36 espie 131: return 1;
1.10 deraadt 132: um = umi;
133: }
1.12 espie 134: else {
135: um = umask(0);
136: printf("%o\n", um);
137: }
1.36 espie 138: (void)umask(um);
139: return -1;
1.10 deraadt 140: }
141:
1.36 espie 142: return 0;
1.10 deraadt 143: }
1.36 espie 144:
1.10 deraadt 145: /*-
146: *-----------------------------------------------------------------------
1.1 deraadt 147: * CompatRunCommand --
148: * Execute the next command for a target. If the command returns an
149: * error, the node's made field is set to ERROR and creation stops.
150: *
151: * Results:
1.36 espie 152: * 0 in case of error, 1 if ok.
1.1 deraadt 153: *
154: * Side Effects:
155: * The node's 'made' field may be set to ERROR.
156: *-----------------------------------------------------------------------
157: */
158: static int
1.36 espie 159: CompatRunCommand(cmdp, gnp)
160: void * cmdp; /* Command to execute */
161: void * gnp; /* Node from which the command came */
1.1 deraadt 162: {
1.36 espie 163: char *cmdStart; /* Start of expanded command */
1.12 espie 164: char *cp, *bp = NULL;
1.37 espie 165: bool silent, /* Don't print command */
1.32 espie 166: doExecute; /* Execute the command */
1.46 millert 167: volatile bool errCheck; /* Check errors */
1.36 espie 168: int reason; /* Reason for child's death */
169: int status; /* Description of child's death */
1.47 mpech 170: pid_t cpid; /* Child actually found */
171: pid_t stat; /* Status of fork */
1.36 espie 172: LstNode cmdNode; /* Node where current command is located */
1.46 millert 173: char ** volatile av; /* Argument vector for thing to exec */
1.36 espie 174: int argc; /* Number of arguments in av or 0 if not
1.1 deraadt 175: * dynamically allocated */
1.37 espie 176: bool local; /* true if command should be executed
1.1 deraadt 177: * locally */
1.36 espie 178: char *cmd = (char *)cmdp;
179: GNode *gn = (GNode *)gnp;
1.37 espie 180: static char *shargv[4] = { _PATH_BSHELL };
1.36 espie 181:
1.1 deraadt 182: silent = gn->type & OP_SILENT;
183: errCheck = !(gn->type & OP_IGNORE);
1.32 espie 184: doExecute = !noExecute;
1.1 deraadt 185:
1.28 espie 186: cmdNode = Lst_Member(&gn->commands, cmd);
1.37 espie 187: cmdStart = Var_Subst(cmd, &gn->context, false);
1.1 deraadt 188:
1.36 espie 189: /* brk_string will return an argv with a NULL in av[0], thus causing
1.1 deraadt 190: * execvp to choke and die horribly. Besides, how can we execute a null
191: * command? In any case, we warn the user that the command expanded to
1.36 espie 192: * nothing (is this the right thing to do?). */
1.4 millert 193:
1.1 deraadt 194: if (*cmdStart == '\0') {
195: free(cmdStart);
196: Error("%s expands to empty string", cmd);
1.25 espie 197: return 1;
1.36 espie 198: } else
1.1 deraadt 199: cmd = cmdStart;
1.23 espie 200: Lst_Replace(cmdNode, cmdStart);
1.1 deraadt 201:
202: if ((gn->type & OP_SAVE_CMDS) && (gn != ENDNode)) {
1.28 espie 203: Lst_AtEnd(&ENDNode->commands, cmdStart);
1.25 espie 204: return 1;
1.1 deraadt 205: } else if (strcmp(cmdStart, "...") == 0) {
206: gn->type |= OP_SAVE_CMDS;
1.25 espie 207: return 1;
1.1 deraadt 208: }
209:
1.32 espie 210: for (;; cmd++) {
1.36 espie 211: if (*cmd == '@')
1.37 espie 212: silent = DEBUG(LOUD) ? false : true;
1.32 espie 213: else if (*cmd == '-')
1.37 espie 214: errCheck = false;
1.32 espie 215: else if (*cmd == '+')
1.37 espie 216: doExecute = true;
1.32 espie 217: else
218: break;
1.1 deraadt 219: }
220:
1.36 espie 221: while (isspace(*cmd))
1.1 deraadt 222: cmd++;
1.4 millert 223:
1.36 espie 224: /* Search for meta characters in the command. If there are no meta
1.1 deraadt 225: * characters, there's no need to execute a shell to execute the
1.36 espie 226: * command. */
1.1 deraadt 227: for (cp = cmd; !meta[(unsigned char)*cp]; cp++) {
228: continue;
229: }
230:
1.36 espie 231: /* Print the command before echoing if we're not supposed to be quiet for
232: * this one. We also print the command if -n given. */
1.1 deraadt 233: if (!silent || noExecute) {
1.36 espie 234: printf("%s\n", cmd);
1.1 deraadt 235: fflush(stdout);
236: }
237:
1.36 espie 238: /* If we're not supposed to execute any commands, this is as far as
239: * we go... */
1.32 espie 240: if (!doExecute)
1.25 espie 241: return 1;
1.4 millert 242:
1.1 deraadt 243: if (*cp != '\0') {
1.36 espie 244: /* If *cp isn't the null character, we hit a "meta" character and
1.1 deraadt 245: * need to pass the command off to the shell. We give the shell the
246: * -e flag as well as -c if it's supposed to exit when it hits an
1.36 espie 247: * error. */
1.10 deraadt 248:
1.36 espie 249: shargv[1] = errCheck ? "-ec" : "-c";
1.10 deraadt 250: shargv[2] = cmd;
1.36 espie 251: shargv[3] = NULL;
1.10 deraadt 252: av = shargv;
253: argc = 0;
1.12 espie 254: } else {
1.36 espie 255: /* No meta-characters, so probably no need to exec a shell.
256: * Break the command into words to form an argument vector
257: * we can execute. */
258: av = brk_string(cmd, &argc, &bp);
259: switch (shellneed(av)) {
1.12 espie 260: case -1: /* handled internally */
261: free(bp);
262: free(av);
1.25 espie 263: return 1;
1.12 espie 264: case 1:
1.36 espie 265: shargv[1] = errCheck ? "-ec" : "-c";
1.12 espie 266: shargv[2] = cmd;
1.36 espie 267: shargv[3] = NULL;
268: free(av);
1.14 espie 269: free(bp);
270: bp = NULL;
1.12 espie 271: av = shargv;
272: argc = 0;
273: break;
274: default: /* nothing needed */
275: break;
1.10 deraadt 276: }
1.1 deraadt 277: }
1.4 millert 278:
1.37 espie 279: local = true;
1.1 deraadt 280:
1.36 espie 281: /* Fork and execute the single command. If the fork fails, we abort. */
1.48 mickey 282: cpid = fork();
1.36 espie 283: if (cpid == -1)
1.1 deraadt 284: Fatal("Could not fork");
285: if (cpid == 0) {
286: if (local) {
287: execvp(av[0], av);
1.17 espie 288: if (errno == ENOENT)
1.36 espie 289: fprintf(stderr, "%s: not found\n", av[0]);
1.17 espie 290: else
291: perror(av[0]);
1.36 espie 292: } else
1.1 deraadt 293: (void)execv(av[0], av);
1.9 deraadt 294: _exit(1);
1.1 deraadt 295: }
1.12 espie 296: if (bp) {
1.36 espie 297: free(av);
1.12 espie 298: free(bp);
299: }
1.1 deraadt 300: free(cmdStart);
1.23 espie 301: Lst_Replace(cmdNode, NULL);
1.4 millert 302:
1.36 espie 303: /* The child is off and running. Now all we can do is wait... */
1.1 deraadt 304: while (1) {
305:
1.2 deraadt 306: while ((stat = wait(&reason)) != cpid) {
1.36 espie 307: if (stat == -1 && errno != EINTR)
1.1 deraadt 308: break;
309: }
1.4 millert 310:
1.45 espie 311: if (interrupted)
312: break;
313:
1.36 espie 314: if (stat != -1) {
315: if (WIFSTOPPED(reason))
1.2 deraadt 316: status = WSTOPSIG(reason); /* stopped */
1.36 espie 317: else if (WIFEXITED(reason)) {
1.2 deraadt 318: status = WEXITSTATUS(reason); /* exited */
1.36 espie 319: if (status != 0)
320: printf("*** Error code %d", status);
1.1 deraadt 321: } else {
1.2 deraadt 322: status = WTERMSIG(reason); /* signaled */
1.36 espie 323: printf("*** Signal %d", status);
1.4 millert 324: }
325:
1.1 deraadt 326:
1.36 espie 327: if (!WIFEXITED(reason) || status != 0) {
1.1 deraadt 328: if (errCheck) {
329: gn->made = ERROR;
1.36 espie 330: if (keepgoing)
331: /* Abort the current target, but let others
332: * continue. */
333: printf(" (continuing)\n");
1.1 deraadt 334: } else {
1.36 espie 335: /* Continue executing commands for this target.
336: * If we return 0, this will happen... */
337: printf(" (ignored)\n");
1.1 deraadt 338: status = 0;
339: }
340: }
1.45 espie 341: return !status;
1.36 espie 342: } else
343: Fatal("error in wait: %d", stat);
1.1 deraadt 344: /*NOTREACHED*/
345: }
346:
1.45 espie 347: /* This is reached only if interrupted */
348: if (!Targ_Precious(gn)) {
349: char *file = Varq_Value(TARGET_INDEX, gn);
350:
351: if (!noExecute && eunlink(file) != -1)
352: Error("*** %s removed\n", file);
353: }
354: if (interrupted == SIGINT) {
355: GNode *i = Targ_FindNode(".INTERRUPT", TARG_NOCREATE);
356: signal(SIGINT, SIG_IGN);
357: signal(SIGTERM, SIG_IGN);
358: signal(SIGHUP, SIG_IGN);
359: signal(SIGQUIT, SIG_IGN);
360: interrupted = 0;
361: if (i != NULL)
362: Lst_Find(&i->commands, CompatRunCommand, i);
363: exit(SIGINT);
364: }
365: exit(interrupted);
1.1 deraadt 366: }
1.36 espie 367:
1.1 deraadt 368: /*-
369: *-----------------------------------------------------------------------
370: * CompatMake --
371: * Make a target.
372: *
373: * Side Effects:
374: * If an error is detected and not being ignored, the process exits.
375: *-----------------------------------------------------------------------
376: */
1.26 espie 377: static void
378: CompatMake(gnp, pgnp)
1.36 espie 379: void * gnp; /* The node to make */
380: void * pgnp; /* Parent to abort if necessary */
1.1 deraadt 381: {
1.36 espie 382: GNode *gn = (GNode *)gnp;
383: GNode *pgn = (GNode *)pgnp;
1.5 millert 384:
1.7 deraadt 385: if (pgn->type & OP_MADE) {
1.35 espie 386: (void)Dir_MTime(gn);
1.7 deraadt 387: gn->made = UPTODATE;
388: }
389:
1.8 millert 390: if (gn->type & OP_USE) {
391: Make_HandleUse(gn, pgn);
392: } else if (gn->made == UNMADE) {
1.36 espie 393: /* First mark ourselves to be made, then apply whatever transformations
1.1 deraadt 394: * the suffix module thinks are necessary. Once that's done, we can
395: * descend and make all our children. If any of them has an error
1.37 espie 396: * but the -k flag was given, our 'make' field will be set false again.
1.1 deraadt 397: * This is our signal to not attempt to do anything but abort our
1.36 espie 398: * parent as well. */
1.37 espie 399: gn->make = true;
1.1 deraadt 400: gn->made = BEINGMADE;
1.36 espie 401: Suff_FindDeps(gn);
1.28 espie 402: Lst_ForEach(&gn->children, CompatMake, gn);
1.1 deraadt 403: if (!gn->make) {
404: gn->made = ABORTED;
1.37 espie 405: pgn->make = false;
1.26 espie 406: return;
1.1 deraadt 407: }
408:
1.44 deraadt 409: if (Lst_Member(&gn->iParents, pgn) != NULL) {
410: Varq_Set(IMPSRC_INDEX, Varq_Value(TARGET_INDEX, gn), pgn);
411: }
1.4 millert 412:
1.36 espie 413: /* All the children were made ok. Now cmtime contains the modification
1.1 deraadt 414: * time of the newest child, we need to find out if we exist and when
415: * we were modified last. The criteria for datedness are defined by the
1.36 espie 416: * Make_OODate function. */
417: if (DEBUG(MAKE))
1.1 deraadt 418: printf("Examining %s...", gn->name);
419: if (! Make_OODate(gn)) {
420: gn->made = UPTODATE;
1.36 espie 421: if (DEBUG(MAKE))
1.1 deraadt 422: printf("up-to-date.\n");
1.26 espie 423: return;
1.36 espie 424: } else if (DEBUG(MAKE))
1.1 deraadt 425: printf("out-of-date.\n");
426:
1.36 espie 427: /* If the user is just seeing if something is out-of-date, exit now
428: * to tell him/her "yes". */
429: if (queryFlag)
430: exit(-1);
1.1 deraadt 431:
1.36 espie 432: /* We need to be re-made. We also have to make sure we've got a $?
1.1 deraadt 433: * variable. To be nice, we also define the $> variable using
1.36 espie 434: * Make_DoAllVar(). */
1.1 deraadt 435: Make_DoAllVar(gn);
1.4 millert 436:
1.36 espie 437: /* Alter our type to tell if errors should be ignored or things
438: * should not be printed so CompatRunCommand knows what to do. */
439: if (Targ_Ignore(gn))
1.1 deraadt 440: gn->type |= OP_IGNORE;
1.36 espie 441: if (Targ_Silent(gn))
1.1 deraadt 442: gn->type |= OP_SILENT;
443:
1.36 espie 444: if (Job_CheckCommands(gn, Fatal)) {
445: /* Our commands are ok, but we still have to worry about the -t
446: * flag... */
1.45 espie 447: if (!touchFlag)
1.28 espie 448: Lst_Find(&gn->commands, CompatRunCommand, gn);
1.45 espie 449: else
1.36 espie 450: Job_Touch(gn, gn->type & OP_SILENT);
451: } else
1.1 deraadt 452: gn->made = ERROR;
453:
454: if (gn->made != ERROR) {
1.36 espie 455: /* If the node was made successfully, mark it so, update
1.1 deraadt 456: * its modification time and timestamp all its parents. Note
457: * that for .ZEROTIME targets, the timestamping isn't done.
1.36 espie 458: * This is to keep its state from affecting that of its parent. */
1.1 deraadt 459: gn->made = MADE;
460: #ifndef RECHECK
1.36 espie 461: /* We can't re-stat the thing, but we can at least take care of
1.1 deraadt 462: * rules where a target depends on a source that actually creates
463: * the target, but only if it has changed, e.g.
464: *
465: * parse.h : parse.o
466: *
467: * parse.o : parse.y
1.36 espie 468: * yacc -d parse.y
469: * cc -c y.tab.c
470: * mv y.tab.o parse.o
471: * cmp -s y.tab.h parse.h || mv y.tab.h parse.h
1.1 deraadt 472: *
473: * In this case, if the definitions produced by yacc haven't
474: * changed from before, parse.h won't have been updated and
475: * gn->mtime will reflect the current modification time for
476: * parse.h. This is something of a kludge, I admit, but it's a
477: * useful one..
478: *
479: * XXX: People like to use a rule like
480: *
481: * FRC:
482: *
483: * To force things that depend on FRC to be made, so we have to
1.36 espie 484: * check for gn->children being empty as well... */
485: if (!Lst_IsEmpty(&gn->commands) || Lst_IsEmpty(&gn->children))
1.1 deraadt 486: gn->mtime = now;
487: #else
1.36 espie 488: /* This is what Make does and it's actually a good thing, as it
1.1 deraadt 489: * allows rules like
490: *
491: * cmp -s y.tab.h parse.h || cp y.tab.h parse.h
492: *
493: * to function as intended. Unfortunately, thanks to the stateless
494: * nature of NFS (and the speed of this program), there are times
495: * when the modification time of a file created on a remote
496: * machine will not be modified before the stat() implied by
497: * the Dir_MTime occurs, thus leading us to believe that the file
498: * is unchanged, wreaking havoc with files that depend on this one.
499: *
500: * I have decided it is better to make too much than to make too
501: * little, so this stuff is commented out unless you're sure it's
502: * ok.
503: * -- ardeb 1/12/88
504: */
1.35 espie 505: if (noExecute || is_out_of_date(Dir_MTime(gn)))
1.1 deraadt 506: gn->mtime = now;
1.37 espie 507: if (is_strictly_before(gn->mtime, gn->cmtime))
1.1 deraadt 508: gn->mtime = gn->cmtime;
1.36 espie 509: if (DEBUG(MAKE))
1.1 deraadt 510: printf("update time: %s\n", Targ_FmtTime(gn->mtime));
511: #endif
512: if (!(gn->type & OP_EXEC)) {
1.37 espie 513: pgn->childMade = true;
1.1 deraadt 514: Make_TimeStamp(pgn, gn);
515: }
1.36 espie 516: } else if (keepgoing)
1.37 espie 517: pgn->make = false;
1.36 espie 518: else {
519:
1.24 espie 520: if (gn->lineno)
1.36 espie 521: printf("\n\nStop in %s (line %lu of %s).\n",
522: Var_Value(".CURDIR"),
1.24 espie 523: (unsigned long)gn->lineno,
524: gn->fname);
525: else
1.36 espie 526: printf("\n\nStop in %s.\n", Var_Value(".CURDIR"));
527: exit(1);
1.1 deraadt 528: }
1.36 espie 529: } else if (gn->made == ERROR)
530: /* Already had an error when making this beastie. Tell the parent
531: * to abort. */
1.37 espie 532: pgn->make = false;
1.36 espie 533: else {
1.44 deraadt 534: if (Lst_Member(&gn->iParents, pgn) != NULL) {
535: Varq_Set(IMPSRC_INDEX, Varq_Value(TARGET_INDEX, gn), pgn);
536: }
1.36 espie 537: switch (gn->made) {
1.1 deraadt 538: case BEINGMADE:
539: Error("Graph cycles through %s\n", gn->name);
540: gn->made = ERROR;
1.37 espie 541: pgn->make = false;
1.1 deraadt 542: break;
543: case MADE:
544: if ((gn->type & OP_EXEC) == 0) {
1.37 espie 545: pgn->childMade = true;
1.1 deraadt 546: Make_TimeStamp(pgn, gn);
547: }
548: break;
549: case UPTODATE:
1.36 espie 550: if ((gn->type & OP_EXEC) == 0)
1.1 deraadt 551: Make_TimeStamp(pgn, gn);
552: break;
553: default:
554: break;
555: }
556: }
557: }
1.36 espie 558:
1.1 deraadt 559: void
560: Compat_Run(targs)
1.36 espie 561: Lst targs; /* List of target nodes to re-create */
1.1 deraadt 562: {
1.36 espie 563: char *cp; /* Pointer to string of shell meta-characters */
564: GNode *gn = NULL;/* Current root target */
565: int errors; /* Number of targets not remade due to errors */
1.1 deraadt 566:
1.45 espie 567: signal(SIGINT, CompatInterrupt);
568: signal(SIGTERM, CompatInterrupt);
569: signal(SIGHUP, CompatInterrupt);
570: signal(SIGQUIT, CompatInterrupt);
1.1 deraadt 571:
1.36 espie 572: for (cp = "#=|^(){};&<>*?[]:$`\\\n"; *cp != '\0'; cp++)
1.1 deraadt 573: meta[(unsigned char) *cp] = 1;
1.36 espie 574: /* The null character serves as a sentinel in the string. */
1.1 deraadt 575: meta[0] = 1;
576:
1.37 espie 577: ENDNode = Targ_FindNode(".END", TARG_CREATE);
1.36 espie 578: /* If the user has defined a .BEGIN target, execute the commands attached
579: * to it. */
1.1 deraadt 580: if (!queryFlag) {
1.37 espie 581: gn = Targ_FindNode(".BEGIN", TARG_NOCREATE);
1.18 espie 582: if (gn != NULL) {
1.28 espie 583: Lst_Find(&gn->commands, CompatRunCommand, gn);
1.36 espie 584: if (gn->made == ERROR) {
585: printf("\n\nStop.\n");
586: exit(1);
587: }
1.1 deraadt 588: }
589: }
590:
1.36 espie 591: /* For each entry in the list of targets to create, call CompatMake on
1.1 deraadt 592: * it to create the thing. CompatMake will leave the 'made' field of gn
593: * in one of several states:
594: * UPTODATE gn was already up-to-date
1.36 espie 595: * MADE gn was recreated successfully
596: * ERROR An error occurred while gn was being created
1.1 deraadt 597: * ABORTED gn was not remade because one of its inferiors
1.36 espie 598: * could not be made due to errors. */
1.1 deraadt 599: errors = 0;
1.19 espie 600: while ((gn = (GNode *)Lst_DeQueue(targs)) != NULL) {
1.26 espie 601: CompatMake(gn, gn);
1.1 deraadt 602:
1.36 espie 603: if (gn->made == UPTODATE)
604: printf("`%s' is up to date.\n", gn->name);
605: else if (gn->made == ABORTED) {
606: printf("`%s' not remade because of errors.\n", gn->name);
1.1 deraadt 607: errors += 1;
608: }
609: }
610:
1.36 espie 611: /* If the user has defined a .END target, run its commands. */
612: if (errors == 0)
1.40 mickey 613: Lst_Find(&ENDNode->commands, CompatRunCommand, ENDNode);
1.1 deraadt 614: }
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