1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * doname.c
28 *
29 * Figure out which targets are out of date and rebuild them
30 */
31
32 /*
33 * Included files
34 */
35 #include <alloca.h> /* alloca() */
36
37
38 #include <fcntl.h>
39 #include <mk/defs.h>
40 #include <mksh/i18n.h> /* get_char_semantics_value() */
41 #include <mksh/macro.h> /* getvar(), expand_value() */
42 #include <mksh/misc.h> /* getmem() */
43 #include <poll.h>
44
45
46 #include <signal.h>
47
48 # include <stropts.h>
49
50 #include <sys/errno.h>
51 #include <sys/stat.h>
52 #include <sys/types.h>
53 #include <sys/utsname.h> /* uname() */
54 #include <sys/wait.h>
55 #include <unistd.h> /* close() */
56
57 /*
58 * Defined macros
59 */
60 # define LOCALHOST "localhost"
61
62 #define MAXRULES 100
63
64 #define SEND_MTOOL_MSG(cmds)
65
66 // Sleep for .1 seconds between stat()'s
67 const int STAT_RETRY_SLEEP_TIME = 100000;
68
69 /*
70 * typedefs & structs
71 */
72
73 /*
74 * Static variables
75 */
76 static char hostName[MAXNAMELEN] = "";
77 static char userName[MAXNAMELEN] = "";
78
79
80 static int second_pass = 0;
81
82 /*
83 * File table of contents
84 */
85 extern Doname doname_check(register Name target, register Boolean do_get, register Boolean implicit, register Boolean automatic);
86 extern Doname doname(register Name target, register Boolean do_get, register Boolean implicit, register Boolean automatic);
87 static Boolean check_dependencies(Doname *result, Property line, Boolean do_get, Name target, Name true_target, Boolean doing_subtree, Chain *out_of_date_tail, Property old_locals, Boolean implicit, Property *command, Name less, Boolean rechecking_target, Boolean recheck_conditionals);
88 void dynamic_dependencies(Name target);
89 static Doname run_command(register Property line, Boolean print_machine);
90 extern Doname execute_serial(Property line);
91 extern Name vpath_translation(register Name cmd);
92 extern void check_state(Name temp_file_name);
93 static void read_dependency_file(register Name filename);
94 static void check_read_state_file(void);
95 static void do_assign(register Name line, register Name target);
96 static void build_command_strings(Name target, register Property line);
97 static Doname touch_command(register Property line, register Name target, Doname result);
98 extern void update_target(Property line, Doname result);
99 static Doname sccs_get(register Name target, register Property *command);
100 extern void read_directory_of_file(register Name file);
101 static void add_pattern_conditionals(register Name target);
102 extern void set_locals(register Name target, register Property old_locals);
103 extern void reset_locals(register Name target, register Property old_locals, register Property conditional, register int index);
104 extern Boolean check_auto_dependencies(Name target, int auto_count, Name *automatics);
105 static void delete_query_chain(Chain ch);
106
107 // From read2.cc
108 extern Name normalize_name(register wchar_t *name_string, register int length);
109
110
111
112 /*
113 * DONE.
114 *
115 * doname_check(target, do_get, implicit, automatic)
116 *
117 * Will call doname() and then inspect the return value
118 *
119 * Return value:
120 * Indication if the build failed or not
121 *
122 * Parameters:
123 * target The target to build
124 * do_get Passed thru to doname()
125 * implicit Passed thru to doname()
126 * automatic Are we building a hidden dependency?
127 *
128 * Global variables used:
129 * build_failed_seen Set if -k is on and error occurs
130 * continue_after_error Indicates that -k is on
131 * report_dependencies No error msg if -P is on
132 */
133 Doname
134 doname_check(register Name target, register Boolean do_get, register Boolean implicit, register Boolean automatic)
135 {
136 int first_time = 1;
137 (void) fflush(stdout);
138 try_again:
139 switch (doname(target, do_get, implicit, automatic)) {
140 case build_ok:
141 second_pass = 0;
142 return build_ok;
143 case build_running:
144 second_pass = 0;
145 return build_running;
146 case build_failed:
147 if (!continue_after_error) {
148 fatal(catgets(catd, 1, 13, "Target `%s' not remade because of errors"),
149 target->string_mb);
150 }
151 build_failed_seen = true;
152 second_pass = 0;
153 return build_failed;
154 case build_dont_know:
155 /*
156 * If we can't figure out how to build an automatic
157 * (hidden) dependency, we just ignore it.
158 * We later declare the target to be out of date just in
159 * case something changed.
160 * Also, don't complain if just reporting the dependencies
161 * and not building anything.
162 */
163 if (automatic || (report_dependencies_level > 0)) {
164 second_pass = 0;
165 return build_dont_know;
166 }
167 if(first_time) {
168 first_time = 0;
169 second_pass = 1;
170 goto try_again;
171 }
172 second_pass = 0;
173 if (continue_after_error && !svr4) {
174 warning(catgets(catd, 1, 14, "Don't know how to make target `%s'"),
175 target->string_mb);
176 build_failed_seen = true;
177 return build_failed;
178 }
179 fatal(catgets(catd, 1, 15, "Don't know how to make target `%s'"), target->string_mb);
180 break;
181 }
182 #ifdef lint
183 return build_failed;
184 #endif
185 }
186
187
188 void
189 enter_explicit_rule_from_dynamic_rule(Name target, Name source)
190 {
191 Property line, source_line;
192 Dependency dependency;
193
194 source_line = get_prop(source->prop, line_prop);
195 line = maybe_append_prop(target, line_prop);
196 line->body.line.sccs_command = false;
197 line->body.line.target = target;
198 if (line->body.line.command_template == NULL) {
199 line->body.line.command_template = source_line->body.line.command_template;
200 for (dependency = source_line->body.line.dependencies;
201 dependency != NULL;
202 dependency = dependency->next) {
203 enter_dependency(line, dependency->name, false);
204 }
205 line->body.line.less = target;
206 }
207 line->body.line.percent = NULL;
208 }
209
210
211
212 Name
213 find_dyntarget(Name target)
214 {
215 Dyntarget p;
216 int i;
217 String_rec string;
218 wchar_t buffer[STRING_BUFFER_LENGTH];
219 wchar_t *pp, * bufend;
220 wchar_t tbuffer[MAXPATHLEN];
221 Wstring wcb(target);
222
223 for (p = dyntarget_list; p != NULL; p = p->next) {
224 INIT_STRING_FROM_STACK(string, buffer);
225 expand_value(p->name, &string, false);
226 i = 0;
227 pp = string.buffer.start;
228 bufend = pp + STRING_BUFFER_LENGTH;
229 while((*pp != nul_char) && (pp < bufend)) {
230 if(iswspace(*pp)) {
231 tbuffer[i] = nul_char;
232 if(i > 0) {
233 if (wcb.equal(tbuffer)) {
234 enter_explicit_rule_from_dynamic_rule(target, p->name);
235 return(target);
236 }
237 }
238 pp++;
239 i = 0;
240 continue;
241 }
242 tbuffer[i] = *pp;
243 i++;
244 pp++;
245 if(*pp == nul_char) {
246 tbuffer[i] = nul_char;
247 if(i > 0) {
248 if (wcb.equal(tbuffer)) {
249 enter_explicit_rule_from_dynamic_rule(target, p->name);
250 return(target);
251 }
252 }
253 break;
254 }
255 }
256 }
257 return(NULL);
258 }
259
260 /*
261 * DONE.
262 *
263 * doname(target, do_get, implicit)
264 *
265 * Chases all files the target depends on and builds any that
266 * are out of date. If the target is out of date it is then rebuilt.
267 *
268 * Return value:
269 * Indiates if build failed or nt
270 *
271 * Parameters:
272 * target Target to build
273 * do_get Run sccs get is nessecary
274 * implicit doname is trying to find an implicit rule
275 *
276 * Global variables used:
277 * assign_done True if command line assgnment has happened
278 * commands_done Preserved for the case that we need local value
279 * debug_level Should we trace make's actions?
280 * default_rule The rule for ".DEFAULT", used as last resort
281 * empty_name The Name "", used when looking for single sfx
282 * keep_state Indicates that .KEEP_STATE is on
283 * parallel True if building in parallel
284 * recursion_level Used for tracing
285 * report_dependencies make -P is on
286 */
287 Doname
288 doname(register Name target, register Boolean do_get, register Boolean implicit, register Boolean automatic)
289 {
290 Doname result = build_dont_know;
291 Chain out_of_date_list = NULL;
292 Chain target_group;
293 Property old_locals = NULL;
294 register Property line;
295 Property command = NULL;
296 register Dependency dependency;
297 Name less = NULL;
298 Name true_target = target;
299 Name *automatics = NULL;
300 register int auto_count;
301 Boolean rechecking_target = false;
302 Boolean saved_commands_done;
303 Boolean restart = false;
304 Boolean save_parallel = parallel;
305 Boolean doing_subtree = false;
306
307 Boolean recheck_conditionals = false;
308
309 if (target->state == build_running) {
310 return build_running;
311 }
312 line = get_prop(target->prop, line_prop);
313 if (line != NULL) {
314 /*
315 * If this target is a member of target group and one of the
316 * other members of the group is running, mark this target
317 * as running.
318 */
319 for (target_group = line->body.line.target_group;
320 target_group != NULL;
321 target_group = target_group->next) {
322 if (is_running(target_group->name)) {
323 target->state = build_running;
324 add_pending(target,
325 recursion_level,
326 do_get,
327 implicit,
328 false);
329 return build_running;
330 }
331 }
332 }
333 /*
334 * If the target is a constructed one for a "::" target,
335 * we need to consider that.
336 */
337 if (target->has_target_prop) {
338 true_target = get_prop(target->prop,
339 target_prop)->body.target.target;
340 if (true_target->colon_splits > 0) {
341 /* Make sure we have a valid time for :: targets */
342 Property time;
343
344 time = get_prop(true_target->prop, time_prop);
345 if (time != NULL) {
346 true_target->stat.time = time->body.time.time;
347 }
348 }
349 }
350 (void) exists(true_target);
351 /*
352 * If the target has been processed, we don't need to do it again,
353 * unless it depends on conditional macros or a delayed assignment,
354 * or it has been done when KEEP_STATE is on.
355 */
356 if (target->state == build_ok) {
357 if((!keep_state || (!target->depends_on_conditional && !assign_done))) {
358 return build_ok;
359 } else {
360 recheck_conditionals = true;
361 }
362 }
363 if (target->state == build_subtree) {
364 /* A dynamic macro subtree is being built */
365 target->state = build_dont_know;
366 doing_subtree = true;
367 if (!target->checking_subtree) {
368 /*
369 * This target has been started before and therefore
370 * not all dependencies have to be built.
371 */
372 restart = true;
373 }
374 } else if (target->state == build_pending) {
375 target->state = build_dont_know;
376 restart = true;
377 /*
378 } else if (parallel &&
379 keep_state &&
380 (target->conditional_cnt > 0)) {
381 if (!parallel_ok(target, false)) {
382 add_subtree(target, recursion_level, do_get, implicit);
383 target->state = build_running;
384 return build_running;
385 }
386 */
387 }
388 /*
389 * If KEEP_STATE is on, we have to rebuild the target if the
390 * building of it caused new automatic dependencies to be reported.
391 * This is where we restart the build.
392 */
393 if (line != NULL) {
394 line->body.line.percent = NULL;
395 }
396 recheck_target:
397 /* Init all local variables */
398 result = build_dont_know;
399 out_of_date_list = NULL;
400 command = NULL;
401 less = NULL;
402 auto_count = 0;
403 if (!restart && line != NULL) {
404 /*
405 * If this target has never been built before, mark all
406 * of the dependencies as never built.
407 */
408 for (dependency = line->body.line.dependencies;
409 dependency != NULL;
410 dependency = dependency->next) {
411 dependency->built = false;
412 }
413 }
414 /* Save the set of automatic depes defined for this target */
415 if (keep_state &&
416 (line != NULL) &&
417 (line->body.line.dependencies != NULL)) {
418 Name *p;
419
420 /*
421 * First run thru the dependency list to see how many
422 * autos there are.
423 */
424 for (dependency = line->body.line.dependencies;
425 dependency != NULL;
426 dependency = dependency->next) {
427 if (dependency->automatic && !dependency->stale) {
428 auto_count++;
429 }
430 }
431 /* Create vector to hold the current autos */
432 automatics =
433 (Name *) alloca((int) (auto_count * sizeof (Name)));
434 /* Copy them */
435 for (p = automatics, dependency = line->body.line.dependencies;
436 dependency != NULL;
437 dependency = dependency->next) {
438 if (dependency->automatic && !dependency->stale) {
439 *p++ = dependency->name;
440 }
441 }
442 }
443 if (debug_level > 1) {
444 (void) printf(NOCATGETS("%*sdoname(%s)\n"),
445 recursion_level,
446 "",
447 target->string_mb);
448 }
449 recursion_level++;
450 /* Avoid infinite loops */
451 if (target->state == build_in_progress) {
452 warning(catgets(catd, 1, 16, "Infinite loop: Target `%s' depends on itself"),
453 target->string_mb);
454 return build_ok;
455 }
456 target->state = build_in_progress;
457
458 /* Activate conditional macros for the target */
459 if (!target->added_pattern_conditionals) {
460 add_pattern_conditionals(target);
461 target->added_pattern_conditionals = true;
462 }
463 if (target->conditional_cnt > 0) {
464 old_locals = (Property) alloca(target->conditional_cnt *
465 sizeof (Property_rec));
466 set_locals(target, old_locals);
467 }
468
469 /*
470 * after making the call to dynamic_dependecies unconditional we can handle
471 * target names that are same as file name. In this case $$@ in the
472 * dependencies did not mean anything. WIth this change it expands it
473 * as expected.
474 */
475 if (!target->has_depe_list_expanded)
476 {
477 dynamic_dependencies(target);
478 }
479
480 /*
481 * FIRST SECTION -- GO THROUGH DEPENDENCIES AND COLLECT EXPLICIT
482 * COMMANDS TO RUN
483 */
484 if ((line = get_prop(target->prop, line_prop)) != NULL) {
485 if (check_dependencies(&result,
486 line,
487 do_get,
488 target,
489 true_target,
490 doing_subtree,
491 &out_of_date_list,
492 old_locals,
493 implicit,
494 &command,
495 less,
496 rechecking_target,
497 recheck_conditionals)) {
498 return build_running;
499 }
500 if (line->body.line.query != NULL) {
501 delete_query_chain(line->body.line.query);
502 }
503 line->body.line.query = out_of_date_list;
504 }
505
506
507 /*
508 * If the target is a :: type, do not try to find the rule for the target,
509 * all actions will be taken by separate branches.
510 * Else, we try to find an implicit rule using various methods,
511 * we quit as soon as one is found.
512 *
513 * [tolik, 12 Sep 2002] Do not try to find implicit rule for the target
514 * being rechecked - the target is being rechecked means that it already
515 * has explicit dependencies derived from an implicit rule found
516 * in previous step.
517 */
518 if (target->colon_splits == 0 && !rechecking_target) {
519 /* Look for percent matched rule */
520 if ((result == build_dont_know) &&
521 (command == NULL)) {
522 switch (find_percent_rule(
523 target,
524 &command,
525 recheck_conditionals)) {
526 case build_failed:
527 result = build_failed;
528 break;
529 case build_running:
530 target->state = build_running;
531 add_pending(target,
532 --recursion_level,
533 do_get,
534 implicit,
535 false);
536 if (target->conditional_cnt > 0) {
537 reset_locals(target,
538 old_locals,
539 get_prop(target->prop,
540 conditional_prop),
541 0);
542 }
543 return build_running;
544 case build_ok:
545 result = build_ok;
546 break;
547 }
548 }
549 /* Look for double suffix rule */
550 if (result == build_dont_know) {
551 Property member;
552
553 if (target->is_member &&
554 ((member = get_prop(target->prop, member_prop)) !=
555 NULL)) {
556 switch (find_ar_suffix_rule(target,
557 member->body.
558 member.member,
559 &command,
560 recheck_conditionals)) {
561 case build_failed:
562 result = build_failed;
563 break;
564 case build_running:
565 target->state = build_running;
566 add_pending(target,
567 --recursion_level,
568 do_get,
569 implicit,
570 false);
571 if (target->conditional_cnt > 0) {
572 reset_locals(target,
573 old_locals,
574 get_prop(target->prop,
575 conditional_prop),
576 0);
577 }
578 return build_running;
579 default:
580 /* ALWAYS bind $% for old style */
581 /* ar rules */
582 if (line == NULL) {
583 line =
584 maybe_append_prop(target,
585 line_prop);
586 }
587 line->body.line.percent =
588 member->body.member.member;
589 break;
590 }
591 } else {
592 switch (find_double_suffix_rule(target,
593 &command,
594 recheck_conditionals)) {
595 case build_failed:
596 result = build_failed;
597 break;
598 case build_running:
599 target->state = build_running;
600 add_pending(target,
601 --recursion_level,
602 do_get,
603 implicit,
604 false);
605 if (target->conditional_cnt > 0) {
606 reset_locals(target,
607 old_locals,
608 get_prop(target->
609 prop,
610 conditional_prop),
611 0);
612 }
613 return build_running;
614 }
615 }
616 }
617 /* Look for single suffix rule */
618
619 /* /tolik/
620 * I commented !implicit to fix bug 1247448: Suffix Rules failed when combine with Pattern Matching Rules.
621 * This caused problem with SVR4 tilde rules (infinite recursion). So I made some changes in "implicit.cc"
622 */
623 /* /tolik, 06.21.96/
624 * Regression! See BugId 1255360
625 * If more than one percent rules are defined for the same target then
626 * the behaviour of 'make' with my previous fix may be different from one
627 * of the 'old make'.
628 * The global variable second_pass (maybe it should be an argument to doname())
629 * is intended to avoid this regression. It is set in doname_check().
630 * First, 'make' will work as it worked before. Only when it is
631 * going to say "don't know how to make target" it sets second_pass to true and
632 * run 'doname' again but now trying to use Single Suffix Rules.
633 */
634 if ((result == build_dont_know) && !automatic && (!implicit || second_pass) &&
635 ((line == NULL) ||
636 ((line->body.line.target != NULL) &&
637 !line->body.line.target->has_regular_dependency))) {
638 switch (find_suffix_rule(target,
639 target,
640 empty_name,
641 &command,
642 recheck_conditionals)) {
643 case build_failed:
644 result = build_failed;
645 break;
646 case build_running:
647 target->state = build_running;
648 add_pending(target,
649 --recursion_level,
650 do_get,
651 implicit,
652 false);
653 if (target->conditional_cnt > 0) {
654 reset_locals(target,
655 old_locals,
656 get_prop(target->prop,
657 conditional_prop),
658 0);
659 }
660 return build_running;
661 }
662 }
663 /* Try to sccs get */
664 if ((command == NULL) &&
665 (result == build_dont_know) &&
666 do_get) {
667 result = sccs_get(target, &command);
668 }
669
670 /* Use .DEFAULT rule if it is defined. */
671 if ((command == NULL) &&
672 (result == build_dont_know) &&
673 (true_target->colons == no_colon) &&
674 default_rule &&
675 !implicit) {
676 /* Make sure we have a line prop */
677 line = maybe_append_prop(target, line_prop);
678 command = line;
679 Boolean out_of_date;
680 if (true_target->is_member) {
681 out_of_date = (Boolean) OUT_OF_DATE_SEC(true_target->stat.time,
682 line->body.line.dependency_time);
683 } else {
684 out_of_date = (Boolean) OUT_OF_DATE(true_target->stat.time,
685 line->body.line.dependency_time);
686 }
687 if (build_unconditional || out_of_date) {
688 line->body.line.is_out_of_date = true;
689 if (debug_level > 0) {
690 (void) printf(catgets(catd, 1, 17, "%*sBuilding %s using .DEFAULT because it is out of date\n"),
691 recursion_level,
692 "",
693 true_target->string_mb);
694 }
695 }
696 line->body.line.sccs_command = false;
697 line->body.line.command_template = default_rule;
698 line->body.line.target = true_target;
699 line->body.line.star = NULL;
700 line->body.line.less = true_target;
701 line->body.line.percent = NULL;
702 }
703 }
704
705 /* We say "target up to date" if no cmd were executed for the target */
706 if (!target->is_double_colon_parent) {
707 commands_done = false;
708 }
709
710 silent = silent_all;
711 ignore_errors = ignore_errors_all;
712 if (posix)
713 {
714 if (!silent)
715 {
716 silent = (Boolean) target->silent_mode;
717 }
718 if (!ignore_errors)
719 {
720 ignore_errors = (Boolean) target->ignore_error_mode;
721 }
722 }
723
724 int doname_dyntarget = 0;
725 r_command:
726 /* Run commands if any. */
727 if ((command != NULL) &&
728 (command->body.line.command_template != NULL)) {
729 if (result != build_failed) {
730 result = run_command(command,
731 (Boolean) ((parallel || save_parallel) && !silent));
732 }
733 switch (result) {
734 case build_running:
735 add_running(target,
736 true_target,
737 command,
738 --recursion_level,
739 auto_count,
740 automatics,
741 do_get,
742 implicit);
743 target->state = build_running;
744 if ((line = get_prop(target->prop,
745 line_prop)) != NULL) {
746 if (line->body.line.query != NULL) {
747 delete_query_chain(line->body.line.query);
748 }
749 line->body.line.query = NULL;
750 }
751 if (target->conditional_cnt > 0) {
752 reset_locals(target,
753 old_locals,
754 get_prop(target->prop,
755 conditional_prop),
756 0);
757 }
758 return build_running;
759 case build_serial:
760 add_serial(target,
761 --recursion_level,
762 do_get,
763 implicit);
764 target->state = build_running;
765 line = get_prop(target->prop, line_prop);
766 if (line != NULL) {
767 if (line->body.line.query != NULL) {
768 delete_query_chain(line->body.line.query);
769 }
770 line->body.line.query = NULL;
771 }
772 if (target->conditional_cnt > 0) {
773 reset_locals(target,
774 old_locals,
775 get_prop(target->prop,
776 conditional_prop),
777 0);
778 }
779 return build_running;
780 case build_ok:
781 /* If all went OK set a nice timestamp */
782 if (true_target->stat.time == file_doesnt_exist) {
783 true_target->stat.time = file_max_time;
784 }
785 break;
786 }
787 } else {
788 /*
789 * If no command was found for the target, and it doesn't
790 * exist, and it is mentioned as a target in the makefile,
791 * we say it is extremely new and that it is OK.
792 */
793 if (target->colons != no_colon) {
794 if (true_target->stat.time == file_doesnt_exist){
795 true_target->stat.time = file_max_time;
796 }
797 result = build_ok;
798 }
799 /*
800 * Trying dynamic targets.
801 */
802 if(!doname_dyntarget) {
803 doname_dyntarget = 1;
804 Name dtarg = find_dyntarget(target);
805 if(dtarg!=NULL) {
806 if (!target->has_depe_list_expanded) {
807 dynamic_dependencies(target);
808 }
809 if ((line = get_prop(target->prop, line_prop)) != NULL) {
810 if (check_dependencies(&result,
811 line,
812 do_get,
813 target,
814 true_target,
815 doing_subtree,
816 &out_of_date_list,
817 old_locals,
818 implicit,
819 &command,
820 less,
821 rechecking_target,
822 recheck_conditionals))
823 {
824 return build_running;
825 }
826 if (line->body.line.query != NULL) {
827 delete_query_chain(line->body.line.query);
828 }
829 line->body.line.query = out_of_date_list;
830 }
831 goto r_command;
832 }
833 }
834 /*
835 * If the file exists, it is OK that we couldnt figure
836 * out how to build it.
837 */
838 (void) exists(target);
839 if ((target->stat.time != file_doesnt_exist) &&
840 (result == build_dont_know)) {
841 result = build_ok;
842 }
843 }
844
845 /*
846 * Some of the following is duplicated in the function finish_doname.
847 * If anything is changed here, check to see if it needs to be
848 * changed there.
849 */
850 if ((line = get_prop(target->prop, line_prop)) != NULL) {
851 if (line->body.line.query != NULL) {
852 delete_query_chain(line->body.line.query);
853 }
854 line->body.line.query = NULL;
855 }
856 target->state = result;
857 parallel = save_parallel;
858 if (target->conditional_cnt > 0) {
859 reset_locals(target,
860 old_locals,
861 get_prop(target->prop, conditional_prop),
862 0);
863 }
864 recursion_level--;
865 if (target->is_member) {
866 Property member;
867
868 /* Propagate the timestamp from the member file to the member*/
869 if ((target->stat.time != file_max_time) &&
870 ((member = get_prop(target->prop, member_prop)) != NULL) &&
871 (exists(member->body.member.member) > file_doesnt_exist)) {
872 target->stat.time =
873 member->body.member.member->stat.time;
874 }
875 }
876 /*
877 * Check if we found any new auto dependencies when we
878 * built the target.
879 */
880 if ((result == build_ok) && check_auto_dependencies(target,
881 auto_count,
882 automatics)) {
883 if (debug_level > 0) {
884 (void) printf(catgets(catd, 1, 18, "%*sTarget `%s' acquired new dependencies from build, rechecking all dependencies\n"),
885 recursion_level,
886 "",
887 true_target->string_mb);
888 }
889 rechecking_target = true;
890 saved_commands_done = commands_done;
891 goto recheck_target;
892 }
893
894 if (rechecking_target && !commands_done) {
895 commands_done = saved_commands_done;
896 }
897
898 return result;
899 }
900
901 /*
902 * DONE.
903 *
904 * check_dependencies(result, line, do_get,
905 * target, true_target, doing_subtree, out_of_date_tail,
906 * old_locals, implicit, command, less, rechecking_target)
907 *
908 * Return value:
909 * True returned if some dependencies left running
910 *
911 * Parameters:
912 * result Pointer to cell we update if build failed
913 * line We get the dependencies from here
914 * do_get Allow use of sccs get in recursive doname()
915 * target The target to chase dependencies for
916 * true_target The real one for :: and lib(member)
917 * doing_subtree True if building a conditional macro subtree
918 * out_of_date_tail Used to set the $? list
919 * old_locals Used for resetting the local macros
920 * implicit Called when scanning for implicit rules?
921 * command Place to stuff command
922 * less Set to $< value
923 *
924 * Global variables used:
925 * command_changed Set if we suspect .make.state needs rewrite
926 * debug_level Should we trace actions?
927 * force The Name " FORCE", compared against
928 * recursion_level Used for tracing
929 * rewrite_statefile Set if .make.state needs rewriting
930 * wait_name The Name ".WAIT", compared against
931 */
932 static Boolean
933 check_dependencies(Doname *result, Property line, Boolean do_get, Name target, Name true_target, Boolean doing_subtree, Chain *out_of_date_tail, Property old_locals, Boolean implicit, Property *command, Name less, Boolean rechecking_target, Boolean recheck_conditionals)
934 {
935 Boolean dependencies_running;
936 register Dependency dependency;
937 Doname dep_result;
938 Boolean dependency_changed = false;
939
940 line->body.line.dependency_time = file_doesnt_exist;
941 if (line->body.line.query != NULL) {
942 delete_query_chain(line->body.line.query);
943 }
944 line->body.line.query = NULL;
945 line->body.line.is_out_of_date = false;
946 dependencies_running = false;
947 /*
948 * Run thru all the dependencies and call doname() recursively
949 * on each of them.
950 */
951 for (dependency = line->body.line.dependencies;
952 dependency != NULL;
953 dependency = dependency->next) {
954 Boolean this_dependency_changed = false;
955
956 if (!dependency->automatic &&
957 (rechecking_target || target->rechecking_target)) {
958 /*
959 * We only bother with the autos when rechecking
960 */
961 continue;
962 }
963
964 if (dependency->name == wait_name) {
965 /*
966 * The special target .WAIT means finish all of
967 * the prior dependencies before continuing.
968 */
969 if (dependencies_running) {
970 break;
971 }
972 } else if ((!parallel_ok(dependency->name, false)) &&
973 (dependencies_running)) {
974 /*
975 * If we can't execute the current dependency in
976 * parallel, hold off the dependency processing
977 * to preserve the order of the dependencies.
978 */
979 break;
980 } else {
981 timestruc_t depe_time = file_doesnt_exist;
982
983
984 if (true_target->is_member) {
985 depe_time = exists(dependency->name);
986 }
987 if (dependency->built ||
988 (dependency->name->state == build_failed)) {
989 dep_result = (Doname) dependency->name->state;
990 } else {
991 dep_result = doname_check(dependency->name,
992 do_get,
993 false,
994 (Boolean) dependency->automatic);
995 }
996 if (true_target->is_member || dependency->name->is_member) {
997 /* should compare only secs, cause lib members does not have nsec time resolution */
998 if (depe_time.tv_sec != dependency->name->stat.time.tv_sec) {
999 this_dependency_changed =
1000 dependency_changed =
1001 true;
1002 }
1003 } else {
1004 if (depe_time != dependency->name->stat.time) {
1005 this_dependency_changed =
1006 dependency_changed =
1007 true;
1008 }
1009 }
1010 dependency->built = true;
1011 switch (dep_result) {
1012 case build_running:
1013 dependencies_running = true;
1014 continue;
1015 case build_failed:
1016 *result = build_failed;
1017 break;
1018 case build_dont_know:
1019 /*
1020 * If make can't figure out how to make a dependency, maybe the dependency
1021 * is out of date. In this case, we just declare the target out of date
1022 * and go on. If we really need the dependency, the make'ing of the target
1023 * will fail. This will only happen for automatic (hidden) dependencies.
1024 */
1025 if(!recheck_conditionals) {
1026 line->body.line.is_out_of_date = true;
1027 }
1028 /*
1029 * Make sure the dependency is not saved
1030 * in the state file.
1031 */
1032 dependency->stale = true;
1033 rewrite_statefile =
1034 command_changed =
1035 true;
1036 if (debug_level > 0) {
1037 (void) printf(catgets(catd, 1, 19, "Target %s rebuilt because dependency %s does not exist\n"),
1038 true_target->string_mb,
1039 dependency->name->string_mb);
1040 }
1041 break;
1042 }
1043 if (dependency->name->depends_on_conditional) {
1044 target->depends_on_conditional = true;
1045 }
1046 if (dependency->name == force) {
1047 target->stat.time =
1048 dependency->name->stat.time;
1049 }
1050 /*
1051 * Propagate new timestamp from "member" to
1052 * "lib.a(member)".
1053 */
1054 (void) exists(dependency->name);
1055
1056 /* Collect the timestamp of the youngest dependency */
1057 line->body.line.dependency_time =
1058 MAX(dependency->name->stat.time,
1059 line->body.line.dependency_time);
1060
1061 /* Correction: do not consider nanosecs for members */
1062 if(true_target->is_member || dependency->name->is_member) {
1063 line->body.line.dependency_time.tv_nsec = 0;
1064 }
1065
1066 if (debug_level > 1) {
1067 (void) printf(catgets(catd, 1, 20, "%*sDate(%s)=%s \n"),
1068 recursion_level,
1069 "",
1070 dependency->name->string_mb,
1071 time_to_string(dependency->name->
1072 stat.time));
1073 if (dependency->name->stat.time > line->body.line.dependency_time) {
1074 (void) printf(catgets(catd, 1, 21, "%*sDate-dependencies(%s) set to %s\n"),
1075 recursion_level,
1076 "",
1077 true_target->string_mb,
1078 time_to_string(line->body.line.
1079 dependency_time));
1080 }
1081 }
1082
1083 /* Build the $? list */
1084 if (true_target->is_member) {
1085 if (this_dependency_changed == true) {
1086 true_target->stat.time = dependency->name->stat.time;
1087 true_target->stat.time.tv_sec--;
1088 } else {
1089 /* Dina:
1090 * The next statement is commented
1091 * out as a fix for bug #1051032.
1092 * if dependency hasn't changed
1093 * then there's no need to invalidate
1094 * true_target. This statemnt causes
1095 * make to take much longer to process
1096 * an already-built archive. Soren
1097 * said it was a quick fix for some
1098 * problem he doesn't remember.
1099 true_target->stat.time = file_no_time;
1100 */
1101 (void) exists(true_target);
1102 }
1103 } else {
1104 (void) exists(true_target);
1105 }
1106 Boolean out_of_date;
1107 if (true_target->is_member || dependency->name->is_member) {
1108 out_of_date = (Boolean) OUT_OF_DATE_SEC(true_target->stat.time,
1109 dependency->name->stat.time);
1110 } else {
1111 out_of_date = (Boolean) OUT_OF_DATE(true_target->stat.time,
1112 dependency->name->stat.time);
1113 }
1114 if ((build_unconditional || out_of_date) &&
1115 (dependency->name != force) &&
1116 (dependency->stale == false)) {
1117 *out_of_date_tail = ALLOC(Chain);
1118 if (dependency->name->is_member &&
1119 (get_prop(dependency->name->prop,
1120 member_prop) != NULL)) {
1121 (*out_of_date_tail)->name =
1122 get_prop(dependency->name->prop,
1123 member_prop)->
1124 body.member.member;
1125 } else {
1126 (*out_of_date_tail)->name =
1127 dependency->name;
1128 }
1129 (*out_of_date_tail)->next = NULL;
1130 out_of_date_tail = &(*out_of_date_tail)->next;
1131 if (debug_level > 0) {
1132 if (dependency->name->stat.time == file_max_time) {
1133 (void) printf(catgets(catd, 1, 22, "%*sBuilding %s because %s does not exist\n"),
1134 recursion_level,
1135 "",
1136 true_target->string_mb,
1137 dependency->name->string_mb);
1138 } else {
1139 (void) printf(catgets(catd, 1, 23, "%*sBuilding %s because it is out of date relative to %s\n"),
1140 recursion_level,
1141 "",
1142 true_target->string_mb,
1143 dependency->name->string_mb);
1144 }
1145 }
1146 }
1147 if (dependency->name == force) {
1148 force->stat.time =
1149 file_max_time;
1150 force->state = build_dont_know;
1151 }
1152 }
1153 }
1154 if (dependencies_running) {
1155 if (doing_subtree) {
1156 if (target->conditional_cnt > 0) {
1157 reset_locals(target,
1158 old_locals,
1159 get_prop(target->prop,
1160 conditional_prop),
1161 0);
1162 }
1163 return true;
1164 } else {
1165 target->state = build_running;
1166 add_pending(target,
1167 --recursion_level,
1168 do_get,
1169 implicit,
1170 false);
1171 if (target->conditional_cnt > 0) {
1172 reset_locals(target,
1173 old_locals,
1174 get_prop(target->prop,
1175 conditional_prop),
1176 0);
1177 }
1178 return true;
1179 }
1180 }
1181 /*
1182 * Collect the timestamp of the youngest double colon target
1183 * dependency.
1184 */
1185 if (target->is_double_colon_parent) {
1186 for (dependency = line->body.line.dependencies;
1187 dependency != NULL;
1188 dependency = dependency->next) {
1189 Property tmp_line;
1190
1191 if ((tmp_line = get_prop(dependency->name->prop, line_prop)) != NULL) {
1192 if(tmp_line->body.line.dependency_time != file_max_time) {
1193 target->stat.time =
1194 MAX(tmp_line->body.line.dependency_time,
1195 target->stat.time);
1196 }
1197 }
1198 }
1199 }
1200 if ((true_target->is_member) && (dependency_changed == true)) {
1201 true_target->stat.time = file_no_time;
1202 }
1203 /*
1204 * After scanning all the dependencies, we check the rule
1205 * if we found one.
1206 */
1207 if (line->body.line.command_template != NULL) {
1208 if (line->body.line.command_template_redefined) {
1209 warning(catgets(catd, 1, 24, "Too many rules defined for target %s"),
1210 target->string_mb);
1211 }
1212 *command = line;
1213 /* Check if the target is out of date */
1214 Boolean out_of_date;
1215 if (true_target->is_member) {
1216 out_of_date = (Boolean) OUT_OF_DATE_SEC(true_target->stat.time,
1217 line->body.line.dependency_time);
1218 } else {
1219 out_of_date = (Boolean) OUT_OF_DATE(true_target->stat.time,
1220 line->body.line.dependency_time);
1221 }
1222 if (build_unconditional || out_of_date){
1223 if(!recheck_conditionals) {
1224 line->body.line.is_out_of_date = true;
1225 }
1226 }
1227 line->body.line.sccs_command = false;
1228 line->body.line.target = true_target;
1229 if(gnu_style) {
1230
1231 // set $< for explicit rule
1232 if(line->body.line.dependencies != NULL) {
1233 less = line->body.line.dependencies->name;
1234 }
1235
1236 // set $* for explicit rule
1237 Name target_body;
1238 Name tt = true_target;
1239 Property member;
1240 register wchar_t *target_end;
1241 register Dependency suffix;
1242 register int suffix_length;
1243 Wstring targ_string;
1244 Wstring suf_string;
1245
1246 if (true_target->is_member &&
1247 ((member = get_prop(target->prop, member_prop)) !=
1248 NULL)) {
1249 tt = member->body.member.member;
1250 }
1251 targ_string.init(tt);
1252 target_end = targ_string.get_string() + tt->hash.length;
1253 for (suffix = suffixes; suffix != NULL; suffix = suffix->next) {
1254 suffix_length = suffix->name->hash.length;
1255 suf_string.init(suffix->name);
1256 if (tt->hash.length < suffix_length) {
1257 continue;
1258 } else if (!IS_WEQUALN(suf_string.get_string(),
1259 (target_end - suffix_length),
1260 suffix_length)) {
1261 continue;
1262 }
1263 target_body = GETNAME(
1264 targ_string.get_string(),
1265 (int)(tt->hash.length - suffix_length)
1266 );
1267 line->body.line.star = target_body;
1268 }
1269
1270 // set result = build_ok so that implicit rules are not used.
1271 if(*result == build_dont_know) {
1272 *result = build_ok;
1273 }
1274 }
1275 if (less != NULL) {
1276 line->body.line.less = less;
1277 }
1278 }
1279
1280 return false;
1281 }
1282
1283 /*
1284 * dynamic_dependencies(target)
1285 *
1286 * Checks if any dependency contains a macro ref
1287 * If so, it replaces the dependency with the expanded version.
1288 * Here, "$@" gets translated to target->string. That is
1289 * the current name on the left of the colon in the
1290 * makefile. Thus,
1291 * xyz: s.$@.c
1292 * translates into
1293 * xyz: s.xyz.c
1294 *
1295 * Also, "$(@F)" translates to the same thing without a preceeding
1296 * directory path (if one exists).
1297 * Note, to enter "$@" on a dependency line in a makefile
1298 * "$$@" must be typed. This is because make expands
1299 * macros in dependency lists upon reading them.
1300 * dynamic_dependencies() also expands file wildcards.
1301 * If there are any Shell meta characters in the name,
1302 * search the directory, and replace the dependency
1303 * with the set of files the pattern matches
1304 *
1305 * Parameters:
1306 * target Target to sanitize dependencies for
1307 *
1308 * Global variables used:
1309 * c_at The Name "@", used to set macro value
1310 * debug_level Should we trace actions?
1311 * dot The Name ".", used to read directory
1312 * recursion_level Used for tracing
1313 */
1314 void
1315 dynamic_dependencies(Name target)
1316 {
1317 wchar_t pattern[MAXPATHLEN];
1318 register wchar_t *p;
1319 Property line;
1320 register Dependency dependency;
1321 register Dependency *remove;
1322 String_rec string;
1323 wchar_t buffer[MAXPATHLEN];
1324 register Boolean set_at = false;
1325 register wchar_t *start;
1326 Dependency new_depe;
1327 register Boolean reuse_cell;
1328 Dependency first_member;
1329 Name directory;
1330 Name lib;
1331 Name member;
1332 Property prop;
1333 Name true_target = target;
1334 wchar_t *library;
1335
1336 if ((line = get_prop(target->prop, line_prop)) == NULL) {
1337 return;
1338 }
1339 /* If the target is constructed from a "::" target we consider that */
1340 if (target->has_target_prop) {
1341 true_target = get_prop(target->prop,
1342 target_prop)->body.target.target;
1343 }
1344 /* Scan all dependencies and process the ones that contain "$" chars */
1345 for (dependency = line->body.line.dependencies;
1346 dependency != NULL;
1347 dependency = dependency->next) {
1348 if (!dependency->name->dollar) {
1349 continue;
1350 }
1351 target->has_depe_list_expanded = true;
1352
1353 /* The make macro $@ is bound to the target name once per */
1354 /* invocation of dynamic_dependencies() */
1355 if (!set_at) {
1356 (void) SETVAR(c_at, true_target, false);
1357 set_at = true;
1358 }
1359 /* Expand this dependency string */
1360 INIT_STRING_FROM_STACK(string, buffer);
1361 expand_value(dependency->name, &string, false);
1362 /* Scan the expanded string. It could contain whitespace */
1363 /* which mean it expands to several dependencies */
1364 start = string.buffer.start;
1365 while (iswspace(*start)) {
1366 start++;
1367 }
1368 /* Remove the cell (later) if the macro was empty */
1369 if (start[0] == (int) nul_char) {
1370 dependency->name = NULL;
1371 }
1372
1373 /* azv 10/26/95 to fix bug BID_1170218 */
1374 if ((start[0] == (int) period_char) &&
1375 (start[1] == (int) slash_char)) {
1376 start += 2;
1377 }
1378 /* azv */
1379
1380 first_member = NULL;
1381 /* We use the original dependency cell for the first */
1382 /* dependency from the expansion */
1383 reuse_cell = true;
1384 /* We also have to deal with dependencies that expand to */
1385 /* lib.a(members) notation */
1386 for (p = start; *p != (int) nul_char; p++) {
1387 if ((*p == (int) parenleft_char)) {
1388 lib = GETNAME(start, p - start);
1389 lib->is_member = true;
1390 first_member = dependency;
1391 start = p + 1;
1392 while (iswspace(*start)) {
1393 start++;
1394 }
1395 break;
1396 }
1397 }
1398 do {
1399 /* First skip whitespace */
1400 for (p = start; *p != (int) nul_char; p++) {
1401 if ((*p == (int) nul_char) ||
1402 iswspace(*p) ||
1403 (*p == (int) parenright_char)) {
1404 break;
1405 }
1406 }
1407 /* Enter dependency from expansion */
1408 if (p != start) {
1409 /* Create new dependency cell if */
1410 /* this is not the first dependency */
1411 /* picked from the expansion */
1412 if (!reuse_cell) {
1413 new_depe = ALLOC(Dependency);
1414 new_depe->next = dependency->next;
1415 new_depe->automatic = false;
1416 new_depe->stale = false;
1417 new_depe->built = false;
1418 dependency->next = new_depe;
1419 dependency = new_depe;
1420 }
1421 reuse_cell = false;
1422 /* Internalize the dependency name */
1423 // tolik. Fix for bug 4110429: inconsistent expansion for macros that
1424 // include "//" and "/./"
1425 //dependency->name = GETNAME(start, p - start);
1426 dependency->name = normalize_name(start, p - start);
1427 if ((debug_level > 0) &&
1428 (first_member == NULL)) {
1429 (void) printf(catgets(catd, 1, 25, "%*sDynamic dependency `%s' for target `%s'\n"),
1430 recursion_level,
1431 "",
1432 dependency->name->string_mb,
1433 true_target->string_mb);
1434 }
1435 for (start = p; iswspace(*start); start++);
1436 p = start;
1437 }
1438 } while ((*p != (int) nul_char) &&
1439 (*p != (int) parenright_char));
1440 /* If the expansion was of lib.a(members) format we now */
1441 /* enter the proper member cells */
1442 if (first_member != NULL) {
1443 /* Scan the new dependencies and transform them from */
1444 /* "foo" to "lib.a(foo)" */
1445 for (; 1; first_member = first_member->next) {
1446 /* Build "lib.a(foo)" name */
1447 INIT_STRING_FROM_STACK(string, buffer);
1448 APPEND_NAME(lib,
1449 &string,
1450 (int) lib->hash.length);
1451 append_char((int) parenleft_char, &string);
1452 APPEND_NAME(first_member->name,
1453 &string,
1454 FIND_LENGTH);
1455 append_char((int) parenright_char, &string);
1456 member = first_member->name;
1457 /* Replace "foo" with "lib.a(foo)" */
1458 first_member->name =
1459 GETNAME(string.buffer.start, FIND_LENGTH);
1460 if (string.free_after_use) {
1461 retmem(string.buffer.start);
1462 }
1463 if (debug_level > 0) {
1464 (void) printf(catgets(catd, 1, 26, "%*sDynamic dependency `%s' for target `%s'\n"),
1465 recursion_level,
1466 "",
1467 first_member->name->
1468 string_mb,
1469 true_target->string_mb);
1470 }
1471 first_member->name->is_member = lib->is_member;
1472 /* Add member property to member */
1473 prop = maybe_append_prop(first_member->name,
1474 member_prop);
1475 prop->body.member.library = lib;
1476 prop->body.member.entry = NULL;
1477 prop->body.member.member = member;
1478 if (first_member == dependency) {
1479 break;
1480 }
1481 }
1482 }
1483 }
1484 Wstring wcb;
1485 /* Then scan all the dependencies again. This time we want to expand */
1486 /* shell file wildcards */
1487 for (remove = &line->body.line.dependencies, dependency = *remove;
1488 dependency != NULL;
1489 dependency = *remove) {
1490 if (dependency->name == NULL) {
1491 dependency = *remove = (*remove)->next;
1492 continue;
1493 }
1494 /* If dependency name string contains shell wildcards */
1495 /* replace the name with the expansion */
1496 if (dependency->name->wildcard) {
1497 wcb.init(dependency->name);
1498 if ((start = (wchar_t *) wschr(wcb.get_string(),
1499 (int) parenleft_char)) != NULL) {
1500 /* lib(*) type pattern */
1501 library = buffer;
1502 (void) wsncpy(buffer,
1503 wcb.get_string(),
1504 start - wcb.get_string());
1505 buffer[start-wcb.get_string()] =
1506 (int) nul_char;
1507 (void) wsncpy(pattern,
1508 start + 1,
1509 (int) (dependency->name->hash.length-(start-wcb.get_string())-2));
1510 pattern[dependency->name->hash.length -
1511 (start-wcb.get_string()) - 2] =
1512 (int) nul_char;
1513 } else {
1514 library = NULL;
1515 (void) wsncpy(pattern,
1516 wcb.get_string(),
1517 (int) dependency->name->hash.length);
1518 pattern[dependency->name->hash.length] =
1519 (int) nul_char;
1520 }
1521 start = (wchar_t *) wsrchr(pattern, (int) slash_char);
1522 if (start == NULL) {
1523 directory = dot;
1524 p = pattern;
1525 } else {
1526 directory = GETNAME(pattern, start-pattern);
1527 p = start+1;
1528 }
1529 /* The expansion is handled by the read_dir() routine*/
1530 if (read_dir(directory, p, line, library)) {
1531 *remove = (*remove)->next;
1532 } else {
1533 remove = &dependency->next;
1534 }
1535 } else {
1536 remove = &dependency->next;
1537 }
1538 }
1539
1540 /* Then unbind $@ */
1541 (void) SETVAR(c_at, (Name) NULL, false);
1542 }
1543
1544 /*
1545 * DONE.
1546 *
1547 * run_command(line)
1548 *
1549 * Takes one Cmd_line and runs the commands from it.
1550 *
1551 * Return value:
1552 * Indicates if the command failed or not
1553 *
1554 * Parameters:
1555 * line The command line to run
1556 *
1557 * Global variables used:
1558 * commands_done Set if we do run command
1559 * current_line Set to the line we run a command from
1560 * current_target Set to the target we run a command for
1561 * file_number Used to form temp file name
1562 * keep_state Indicates that .KEEP_STATE is on
1563 * make_state The Name ".make.state", used to check timestamp
1564 * parallel True if currently building in parallel
1565 * parallel_process_cnt Count of parallel processes running
1566 * quest Indicates that make -q is on
1567 * rewrite_statefile Set if we do run a command
1568 * sunpro_dependencies The Name "SUNPRO_DEPENDENCIES", set value
1569 * temp_file_directory Used to form temp fie name
1570 * temp_file_name Set to the name of the temp file
1571 * touch Indicates that make -t is on
1572 */
1573 static Doname
1574 run_command(register Property line, Boolean)
1575 {
1576 register Doname result = build_ok;
1577 register Boolean remember_only = false;
1578 register Name target = line->body.line.target;
1579 wchar_t *string;
1580 char tmp_file_path[MAXPATHLEN];
1581
1582 if (!line->body.line.is_out_of_date && target->rechecking_target) {
1583 target->rechecking_target = false;
1584 return build_ok;
1585 }
1586
1587 /*
1588 * Build the command if we know the target is out of date,
1589 * or if we want to check cmd consistency.
1590 */
1591 if (line->body.line.is_out_of_date || keep_state) {
1592 /* Hack for handling conditional macros in DMake. */
1593 if (!line->body.line.dont_rebuild_command_used) {
1594 build_command_strings(target, line);
1595 }
1596 }
1597 /* Never mind */
1598 if (!line->body.line.is_out_of_date) {
1599 return build_ok;
1600 }
1601 /* If quest, then exit(1) because the target is out of date */
1602 if (quest) {
1603 if (posix) {
1604 result = execute_parallel(line, true);
1605 }
1606 exit_status = 1;
1607 exit(1);
1608 }
1609 /* We actually had to do something this time */
1610 rewrite_statefile = commands_done = true;
1611 /*
1612 * If this is an sccs command, we have to do some extra checking
1613 * and possibly complain. If the file can't be gotten because it's
1614 * checked out, we complain and behave as if the command was
1615 * executed eventhough we ignored the command.
1616 */
1617 if (!touch &&
1618 line->body.line.sccs_command &&
1619 (target->stat.time != file_doesnt_exist) &&
1620 ((target->stat.mode & 0222) != 0)) {
1621 fatal(catgets(catd, 1, 27, "%s is writable so it cannot be sccs gotten"),
1622 target->string_mb);
1623 target->has_complained = remember_only = true;
1624 }
1625 /*
1626 * If KEEP_STATE is on, we make sure we have the timestamp for
1627 * .make.state. If .make.state changes during the command run,
1628 * we reread .make.state after the command. We also setup the
1629 * environment variable that asks utilities to report dependencies.
1630 */
1631 if (!touch &&
1632 keep_state &&
1633 !remember_only) {
1634 (void) exists(make_state);
1635 if((strlen(temp_file_directory) == 1) &&
1636 (temp_file_directory[0] == '/')) {
1637 tmp_file_path[0] = '\0';
1638 } else {
1639 strcpy(tmp_file_path, temp_file_directory);
1640 }
1641 sprintf(mbs_buffer,
1642 NOCATGETS("%s/.make.dependency.%08x.%d.%d"),
1643 tmp_file_path,
1644 hostid,
1645 getpid(),
1646 file_number++);
1647 MBSTOWCS(wcs_buffer, mbs_buffer);
1648 Boolean fnd;
1649 temp_file_name = getname_fn(wcs_buffer, FIND_LENGTH, false, &fnd);
1650 temp_file_name->stat.is_file = true;
1651 int len = 2*MAXPATHLEN + strlen(target->string_mb) + 2;
1652 wchar_t *to = string = ALLOC_WC(len);
1653 for (wchar_t *from = wcs_buffer; *from != (int) nul_char; ) {
1654 if (*from == (int) space_char) {
1655 *to++ = (int) backslash_char;
1656 }
1657 *to++ = *from++;
1658 }
1659 *to++ = (int) space_char;
1660 MBSTOWCS(to, target->string_mb);
1661 Name sprodep_name = getname_fn(string, FIND_LENGTH, false, &fnd);
1662 (void) SETVAR(sunpro_dependencies,
1663 sprodep_name,
1664 false);
1665 retmem(string);
1666 } else {
1667 temp_file_name = NULL;
1668 }
1669
1670 /*
1671 * In case we are interrupted, we need to know what was going on.
1672 */
1673 current_target = target;
1674 /*
1675 * We also need to be able to save an empty command instead of the
1676 * interrupted one in .make.state.
1677 */
1678 current_line = line;
1679 if (remember_only) {
1680 /* Empty block!!! */
1681 } else if (touch) {
1682 result = touch_command(line, target, result);
1683 if (posix) {
1684 result = execute_parallel(line, true);
1685 }
1686 } else {
1687 /*
1688 * If this is not a touch run, we need to execute the
1689 * proper command(s) for the target.
1690 */
1691 if (parallel) {
1692 if (!parallel_ok(target, true)) {
1693 /*
1694 * We are building in parallel, but
1695 * this target must be built in serial.
1696 */
1697 /*
1698 * If nothing else is building,
1699 * do this one, else wait.
1700 */
1701 if (parallel_process_cnt == 0) {
1702 result = execute_parallel(line, true, target->localhost);
1703 } else {
1704 current_target = NULL;
1705 current_line = NULL;
1706 /*
1707 line->body.line.command_used = NULL;
1708 */
1709 line->body.line.dont_rebuild_command_used = true;
1710 return build_serial;
1711 }
1712 } else {
1713 result = execute_parallel(line, false);
1714 switch (result) {
1715 case build_running:
1716 return build_running;
1717 case build_serial:
1718 if (parallel_process_cnt == 0) {
1719 result = execute_parallel(line, true, target->localhost);
1720 } else {
1721 current_target = NULL;
1722 current_line = NULL;
1723 target->parallel = false;
1724 line->body.line.command_used =
1725 NULL;
1726 return build_serial;
1727 }
1728 }
1729 }
1730 } else {
1731 result = execute_parallel(line, true, target->localhost);
1732 }
1733 }
1734 temp_file_name = NULL;
1735 if (report_dependencies_level == 0){
1736 update_target(line, result);
1737 }
1738 current_target = NULL;
1739 current_line = NULL;
1740 return result;
1741 }
1742
1743 /*
1744 * execute_serial(line)
1745 *
1746 * Runs thru the command line for the target and
1747 * executes the rules one by one.
1748 *
1749 * Return value:
1750 * The result of the command build
1751 *
1752 * Parameters:
1753 * line The command to execute
1754 *
1755 * Static variables used:
1756 *
1757 * Global variables used:
1758 * continue_after_error -k flag
1759 * do_not_exec_rule -n flag
1760 * report_dependencies -P flag
1761 * silent Don't echo commands before executing
1762 * temp_file_name Temp file for auto dependencies
1763 * vpath_defined If true, translate path for command
1764 */
1765 Doname
1766 execute_serial(Property line)
1767 {
1768 int child_pid = 0;
1769 Boolean printed_serial;
1770 Doname result = build_ok;
1771 Cmd_line rule, cmd_tail, command = NULL;
1772 char mbstring[MAXPATHLEN];
1773 int filed;
1774 Name target = line->body.line.target;
1775
1776 SEND_MTOOL_MSG(
1777 if (!sent_rsrc_info_msg) {
1778 if (userName[0] == '\0') {
1779 avo_get_user(userName, NULL);
1780 }
1781 if (hostName[0] == '\0') {
1782 strcpy(hostName, avo_hostname());
1783 }
1784 send_rsrc_info_msg(1, hostName, userName);
1785 sent_rsrc_info_msg = 1;
1786 }
1787 send_job_start_msg(line);
1788 job_result_msg = new Avo_MToolJobResultMsg();
1789 );
1790
1791 target->has_recursive_dependency = false;
1792 // We have to create a copy of the rules chain for processing because
1793 // the original one can be destroyed during .make.state file rereading.
1794 for (rule = line->body.line.command_used;
1795 rule != NULL;
1796 rule = rule->next) {
1797 if (command == NULL) {
1798 command = cmd_tail = ALLOC(Cmd_line);
1799 } else {
1800 cmd_tail->next = ALLOC(Cmd_line);
1801 cmd_tail = cmd_tail->next;
1802 }
1803 *cmd_tail = *rule;
1804 }
1805 if (command) {
1806 cmd_tail->next = NULL;
1807 }
1808 for (rule = command; rule != NULL; rule = rule->next) {
1809 if (posix && (touch || quest) && !rule->always_exec) {
1810 continue;
1811 }
1812 if (vpath_defined) {
1813 rule->command_line =
1814 vpath_translation(rule->command_line);
1815 }
1816 /* Echo command line, maybe. */
1817 if ((rule->command_line->hash.length > 0) &&
1818 !silent &&
1819 (!rule->silent || do_not_exec_rule) &&
1820 (report_dependencies_level == 0)) {
1821 (void) printf("%s\n", rule->command_line->string_mb);
1822 SEND_MTOOL_MSG(
1823 job_result_msg->appendOutput(AVO_STRDUP(rule->command_line->string_mb));
1824 );
1825 }
1826 if (rule->command_line->hash.length > 0) {
1827 SEND_MTOOL_MSG(
1828 (void) sprintf(mbstring,
1829 NOCATGETS("%s/make.stdout.%d.%d.XXXXXX"),
1830 tmpdir,
1831 getpid(),
1832 file_number++);
1833
1834 int tmp_fd = mkstemp(mbstring);
1835 if(tmp_fd) {
1836 (void) close(tmp_fd);
1837 }
1838
1839 stdout_file = strdup(mbstring);
1840 stderr_file = NULL;
1841 child_pid = pollResults(stdout_file,
1842 (char *)NULL,
1843 (char *)NULL);
1844 );
1845 /* Do assignment if command line prefixed with "=" */
1846 if (rule->assign) {
1847 result = build_ok;
1848 do_assign(rule->command_line, target);
1849 } else if (report_dependencies_level == 0) {
1850 /* Execute command line. */
1851 setvar_envvar();
1852 result = dosys(rule->command_line,
1853 (Boolean) rule->ignore_error,
1854 (Boolean) rule->make_refd,
1855 /* ds 98.04.23 bug #4085164. make should always show error messages */
1856 false,
1857 /* BOOLEAN(rule->silent &&
1858 rule->ignore_error), */
1859 (Boolean) rule->always_exec,
1860 target,
1861 send_mtool_msgs);
1862 check_state(temp_file_name);
1863 }
1864 SEND_MTOOL_MSG(
1865 append_job_result_msg(job_result_msg);
1866 if (child_pid > 0) {
1867 kill(child_pid, SIGUSR1);
1868 while (!((waitpid(child_pid, 0, 0) == -1)
1869 && (errno == ECHILD)));
1870 }
1871 child_pid = 0;
1872 (void) unlink(stdout_file);
1873 retmem_mb(stdout_file);
1874 stdout_file = NULL;
1875 );
1876 } else {
1877 result = build_ok;
1878 }
1879 if (result == build_failed) {
1880 if (silent || rule->silent) {
1881 (void) printf(catgets(catd, 1, 242, "The following command caused the error:\n%s\n"),
1882 rule->command_line->string_mb);
1883 SEND_MTOOL_MSG(
1884 job_result_msg->appendOutput(AVO_STRDUP(catgets(catd, 1, 243, "The following command caused the error:")));
1885 job_result_msg->appendOutput(AVO_STRDUP(rule->command_line->string_mb));
1886 );
1887 }
1888 if (!rule->ignore_error && !ignore_errors) {
1889 if (!continue_after_error) {
1890 SEND_MTOOL_MSG(
1891 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
1892 xdr_msg = (RWCollectable*)
1893 job_result_msg;
1894 xdr(&xdrs, xdr_msg);
1895 (void) fflush(mtool_msgs_fp);
1896 delete job_result_msg;
1897 );
1898 fatal(catgets(catd, 1, 244, "Command failed for target `%s'"),
1899 target->string_mb);
1900 }
1901 /*
1902 * Make sure a failing command is not
1903 * saved in .make.state.
1904 */
1905 line->body.line.command_used = NULL;
1906 break;
1907 } else {
1908 result = build_ok;
1909 }
1910 }
1911 }
1912 for (rule = command; rule != NULL; rule = cmd_tail) {
1913 cmd_tail = rule->next;
1914 free(rule);
1915 }
1916 command = NULL;
1917 SEND_MTOOL_MSG(
1918 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
1919 xdr_msg = (RWCollectable*) job_result_msg;
1920 xdr(&xdrs, xdr_msg);
1921 (void) fflush(mtool_msgs_fp);
1922
1923 delete job_result_msg;
1924 );
1925 if (temp_file_name != NULL) {
1926 free_name(temp_file_name);
1927 }
1928 temp_file_name = NULL;
1929
1930 Property spro = get_prop(sunpro_dependencies->prop, macro_prop);
1931 if(spro != NULL) {
1932 Name val = spro->body.macro.value;
1933 if(val != NULL) {
1934 free_name(val);
1935 spro->body.macro.value = NULL;
1936 }
1937 }
1938 spro = get_prop(sunpro_dependencies->prop, env_mem_prop);
1939 if(spro) {
1940 char *val = spro->body.env_mem.value;
1941 if(val != NULL) {
1942 /*
1943 * Do not return memory allocated for SUNPRO_DEPENDENCIES
1944 * It will be returned in setvar_daemon() in macro.cc
1945 */
1946 // retmem_mb(val);
1947 spro->body.env_mem.value = NULL;
1948 }
1949 }
1950
1951 return result;
1952 }
1953
1954
1955
1956 /*
1957 * vpath_translation(cmd)
1958 *
1959 * Translates one command line by
1960 * checking each word. If the word has an alias it is translated.
1961 *
1962 * Return value:
1963 * The translated command
1964 *
1965 * Parameters:
1966 * cmd Command to translate
1967 *
1968 * Global variables used:
1969 */
1970 Name
1971 vpath_translation(register Name cmd)
1972 {
1973 wchar_t buffer[STRING_BUFFER_LENGTH];
1974 String_rec new_cmd;
1975 wchar_t *p;
1976 wchar_t *start;
1977
1978 if (!vpath_defined || (cmd == NULL) || (cmd->hash.length == 0)) {
1979 return cmd;
1980 }
1981 INIT_STRING_FROM_STACK(new_cmd, buffer);
1982
1983 Wstring wcb(cmd);
1984 p = wcb.get_string();
1985
1986 while (*p != (int) nul_char) {
1987 while (iswspace(*p) && (*p != (int) nul_char)) {
1988 append_char(*p++, &new_cmd);
1989 }
1990 start = p;
1991 while (!iswspace(*p) && (*p != (int) nul_char)) {
1992 p++;
1993 }
1994 cmd = GETNAME(start, p - start);
1995 if (cmd->has_vpath_alias_prop) {
1996 cmd = get_prop(cmd->prop, vpath_alias_prop)->
1997 body.vpath_alias.alias;
1998 APPEND_NAME(cmd,
1999 &new_cmd,
2000 (int) cmd->hash.length);
2001 } else {
2002 append_string(start, &new_cmd, p - start);
2003 }
2004 }
2005 cmd = GETNAME(new_cmd.buffer.start, FIND_LENGTH);
2006 if (new_cmd.free_after_use) {
2007 retmem(new_cmd.buffer.start);
2008 }
2009 return cmd;
2010 }
2011
2012 /*
2013 * check_state(temp_file_name)
2014 *
2015 * Reads and checks the state changed by the previously executed command.
2016 *
2017 * Parameters:
2018 * temp_file_name The auto dependency temp file
2019 *
2020 * Global variables used:
2021 */
2022 void
2023 check_state(Name temp_file_name)
2024 {
2025 if (!keep_state) {
2026 return;
2027 }
2028
2029 /*
2030 * Then read the temp file that now might
2031 * contain dependency reports from utilities
2032 */
2033 read_dependency_file(temp_file_name);
2034
2035 /*
2036 * And reread .make.state if it
2037 * changed (the command ran recursive makes)
2038 */
2039 check_read_state_file();
2040 if (temp_file_name != NULL) {
2041 (void) unlink(temp_file_name->string_mb);
2042 }
2043 }
2044
2045 /*
2046 * read_dependency_file(filename)
2047 *
2048 * Read the temp file used for reporting dependencies to make
2049 *
2050 * Parameters:
2051 * filename The name of the file with the state info
2052 *
2053 * Global variables used:
2054 * makefile_type The type of makefile being read
2055 * read_trace_level Debug flag
2056 * temp_file_number The always increasing number for unique files
2057 * trace_reader Debug flag
2058 */
2059 static void
2060 read_dependency_file(register Name filename)
2061 {
2062 register Makefile_type save_makefile_type;
2063
2064 if (filename == NULL) {
2065 return;
2066 }
2067 filename->stat.time = file_no_time;
2068 if (exists(filename) > file_doesnt_exist) {
2069 save_makefile_type = makefile_type;
2070 makefile_type = reading_cpp_file;
2071 if (read_trace_level > 1) {
2072 trace_reader = true;
2073 }
2074 temp_file_number++;
2075 (void) read_simple_file(filename,
2076 false,
2077 false,
2078 false,
2079 false,
2080 false,
2081 false);
2082 trace_reader = false;
2083 makefile_type = save_makefile_type;
2084 }
2085 }
2086
2087 /*
2088 * check_read_state_file()
2089 *
2090 * Check if .make.state has changed
2091 * If it has we reread it
2092 *
2093 * Parameters:
2094 *
2095 * Global variables used:
2096 * make_state Make state file name
2097 * makefile_type Type of makefile being read
2098 * read_trace_level Debug flag
2099 * trace_reader Debug flag
2100 */
2101 static void
2102 check_read_state_file(void)
2103 {
2104 timestruc_t previous = make_state->stat.time;
2105 register Makefile_type save_makefile_type;
2106 register Property makefile;
2107
2108 make_state->stat.time = file_no_time;
2109 if ((exists(make_state) == file_doesnt_exist) ||
2110 (make_state->stat.time == previous)) {
2111 return;
2112 }
2113 save_makefile_type = makefile_type;
2114 makefile_type = rereading_statefile;
2115 /* Make sure we clear the old cached contents of .make.state */
2116 makefile = maybe_append_prop(make_state, makefile_prop);
2117 if (makefile->body.makefile.contents != NULL) {
2118 retmem(makefile->body.makefile.contents);
2119 makefile->body.makefile.contents = NULL;
2120 }
2121 if (read_trace_level > 1) {
2122 trace_reader = true;
2123 }
2124 temp_file_number++;
2125 (void) read_simple_file(make_state,
2126 false,
2127 false,
2128 false,
2129 false,
2130 false,
2131 true);
2132 trace_reader = false;
2133 makefile_type = save_makefile_type;
2134 }
2135
2136 /*
2137 * do_assign(line, target)
2138 *
2139 * Handles runtime assignments for command lines prefixed with "=".
2140 *
2141 * Parameters:
2142 * line The command that contains an assignment
2143 * target The Name of the target, used for error reports
2144 *
2145 * Global variables used:
2146 * assign_done Set to indicate doname needs to reprocess
2147 */
2148 static void
2149 do_assign(register Name line, register Name target)
2150 {
2151 Wstring wcb(line);
2152 register wchar_t *string = wcb.get_string();
2153 register wchar_t *equal;
2154 register Name name;
2155 register Boolean append = false;
2156
2157 /*
2158 * If any runtime assignments are done, doname() must reprocess all
2159 * targets in the future since the macro values used to build the
2160 * command lines for the targets might have changed.
2161 */
2162 assign_done = true;
2163 /* Skip white space. */
2164 while (iswspace(*string)) {
2165 string++;
2166 }
2167 equal = string;
2168 /* Find "+=" or "=". */
2169 while (!iswspace(*equal) &&
2170 (*equal != (int) plus_char) &&
2171 (*equal != (int) equal_char)) {
2172 equal++;
2173 }
2174 /* Internalize macro name. */
2175 name = GETNAME(string, equal - string);
2176 /* Skip over "+=" "=". */
2177 while (!((*equal == (int) nul_char) ||
2178 (*equal == (int) equal_char) ||
2179 (*equal == (int) plus_char))) {
2180 equal++;
2181 }
2182 switch (*equal) {
2183 case nul_char:
2184 fatal(catgets(catd, 1, 31, "= expected in rule `%s' for target `%s'"),
2185 line->string_mb,
2186 target->string_mb);
2187 case plus_char:
2188 append = true;
2189 equal++;
2190 break;
2191 }
2192 equal++;
2193 /* Skip over whitespace in front of value. */
2194 while (iswspace(*equal)) {
2195 equal++;
2196 }
2197 /* Enter new macro value. */
2198 enter_equal(name,
2199 GETNAME(equal, wcb.get_string() + line->hash.length - equal),
2200 append);
2201 }
2202
2203 /*
2204 * build_command_strings(target, line)
2205 *
2206 * Builds the command string to used when
2207 * building a target. If the string is different from the previous one
2208 * is_out_of_date is set.
2209 *
2210 * Parameters:
2211 * target Target to build commands for
2212 * line Where to stuff result
2213 *
2214 * Global variables used:
2215 * c_at The Name "@", used to set macro value
2216 * command_changed Set if command is different from old
2217 * debug_level Should we trace activities?
2218 * do_not_exec_rule Always echo when running -n
2219 * empty_name The Name "", used for empty rule
2220 * funny Semantics of characters
2221 * ignore_errors Used to init field for line
2222 * is_conditional Set to false befor evaling macro, checked
2223 * after expanding macros
2224 * keep_state Indicates that .KEEP_STATE is on
2225 * make_word_mentioned Set by macro eval, inits field for cmd
2226 * query The Name "?", used to set macro value
2227 * query_mentioned Set by macro eval, inits field for cmd
2228 * recursion_level Used for tracing
2229 * silent Used to init field for line
2230 */
2231 static void
2232 build_command_strings(Name target, register Property line)
2233 {
2234 String_rec command_line;
2235 register Cmd_line command_template = line->body.line.command_template;
2236 register Cmd_line *insert = &line->body.line.command_used;
2237 register Cmd_line used = *insert;
2238 wchar_t buffer[STRING_BUFFER_LENGTH];
2239 wchar_t *start;
2240 Name new_command_line;
2241 register Boolean new_command_longer = false;
2242 register Boolean ignore_all_command_dependency = true;
2243 Property member;
2244 static Name less_name;
2245 static Name percent_name;
2246 static Name star;
2247 Name tmp_name;
2248
2249 if (less_name == NULL) {
2250 MBSTOWCS(wcs_buffer, "<");
2251 less_name = GETNAME(wcs_buffer, FIND_LENGTH);
2252 MBSTOWCS(wcs_buffer, "%");
2253 percent_name = GETNAME(wcs_buffer, FIND_LENGTH);
2254 MBSTOWCS(wcs_buffer, "*");
2255 star = GETNAME(wcs_buffer, FIND_LENGTH);
2256 }
2257
2258 /* We have to check if a target depends on conditional macros */
2259 /* Targets that do must be reprocessed by doname() each time around */
2260 /* since the macro values used when building the target might have */
2261 /* changed */
2262 conditional_macro_used = false;
2263 /* If we are building a lib.a(member) target $@ should be bound */
2264 /* to lib.a */
2265 if (target->is_member &&
2266 ((member = get_prop(target->prop, member_prop)) != NULL)) {
2267 target = member->body.member.library;
2268 }
2269 /* If we are building a "::" help target $@ should be bound to */
2270 /* the real target name */
2271 /* A lib.a(member) target is never :: */
2272 if (target->has_target_prop) {
2273 target = get_prop(target->prop, target_prop)->
2274 body.target.target;
2275 }
2276 /* Bind the magic macros that make supplies */
2277 tmp_name = target;
2278 if(tmp_name != NULL) {
2279 if (tmp_name->has_vpath_alias_prop) {
2280 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2281 body.vpath_alias.alias;
2282 }
2283 }
2284 (void) SETVAR(c_at, tmp_name, false);
2285
2286 tmp_name = line->body.line.star;
2287 if(tmp_name != NULL) {
2288 if (tmp_name->has_vpath_alias_prop) {
2289 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2290 body.vpath_alias.alias;
2291 }
2292 }
2293 (void) SETVAR(star, tmp_name, false);
2294
2295 tmp_name = line->body.line.less;
2296 if(tmp_name != NULL) {
2297 if (tmp_name->has_vpath_alias_prop) {
2298 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2299 body.vpath_alias.alias;
2300 }
2301 }
2302 (void) SETVAR(less_name, tmp_name, false);
2303
2304 tmp_name = line->body.line.percent;
2305 if(tmp_name != NULL) {
2306 if (tmp_name->has_vpath_alias_prop) {
2307 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2308 body.vpath_alias.alias;
2309 }
2310 }
2311 (void) SETVAR(percent_name, tmp_name, false);
2312
2313 /* $? is seldom used and it is expensive to build */
2314 /* so we store the list form and build the string on demand */
2315 Chain query_list = NULL;
2316 Chain *query_list_tail = &query_list;
2317
2318 for (Chain ch = line->body.line.query; ch != NULL; ch = ch->next) {
2319 *query_list_tail = ALLOC(Chain);
2320 (*query_list_tail)->name = ch->name;
2321 if ((*query_list_tail)->name->has_vpath_alias_prop) {
2322 (*query_list_tail)->name =
2323 get_prop((*query_list_tail)->name->prop,
2324 vpath_alias_prop)->body.vpath_alias.alias;
2325 }
2326 (*query_list_tail)->next = NULL;
2327 query_list_tail = &(*query_list_tail)->next;
2328 }
2329 (void) setvar_daemon(query,
2330 (Name) query_list,
2331 false,
2332 chain_daemon,
2333 false,
2334 debug_level);
2335
2336 /* build $^ */
2337 Chain hat_list = NULL;
2338 Chain *hat_list_tail = &hat_list;
2339
2340 for (Dependency dependency = line->body.line.dependencies;
2341 dependency != NULL;
2342 dependency = dependency->next) {
2343 /* skip automatic dependencies */
2344 if (!dependency->automatic) {
2345 if ((dependency->name != force) &&
2346 (dependency->stale == false)) {
2347 *hat_list_tail = ALLOC(Chain);
2348
2349 if (dependency->name->is_member &&
2350 (get_prop(dependency->name->prop, member_prop) != NULL)) {
2351 (*hat_list_tail)->name =
2352 get_prop(dependency->name->prop,
2353 member_prop)->body.member.member;
2354 } else {
2355 (*hat_list_tail)->name = dependency->name;
2356 }
2357
2358 if((*hat_list_tail)->name != NULL) {
2359 if ((*hat_list_tail)->name->has_vpath_alias_prop) {
2360 (*hat_list_tail)->name =
2361 get_prop((*hat_list_tail)->name->prop,
2362 vpath_alias_prop)->body.vpath_alias.alias;
2363 }
2364 }
2365
2366 (*hat_list_tail)->next = NULL;
2367 hat_list_tail = &(*hat_list_tail)->next;
2368 }
2369 }
2370 }
2371 (void) setvar_daemon(hat,
2372 (Name) hat_list,
2373 false,
2374 chain_daemon,
2375 false,
2376 debug_level);
2377
2378 /* We have two command sequences we need to handle */
2379 /* The old one that we probably read from .make.state */
2380 /* and the new one we are building that will replace the old one */
2381 /* Even when KEEP_STATE is not on we build a new command sequence and store */
2382 /* it in the line prop. This command sequence is then executed by */
2383 /* run_command(). If KEEP_STATE is on it is also later written to */
2384 /* .make.state. The routine replaces the old command line by line with the */
2385 /* new one trying to reuse Cmd_lines */
2386
2387 /* If there is no old command_used we have to start creating */
2388 /* Cmd_lines to keep the new cmd in */
2389 if (used == NULL) {
2390 new_command_longer = true;
2391 *insert = used = ALLOC(Cmd_line);
2392 used->next = NULL;
2393 used->command_line = NULL;
2394 insert = &used->next;
2395 }
2396 /* Run thru the template for the new command and build the expanded */
2397 /* new command lines */
2398 for (;
2399 command_template != NULL;
2400 command_template = command_template->next, insert = &used->next, used = *insert) {
2401 /* If there is no old command_used Cmd_line we need to */
2402 /* create one and say that cmd consistency failed */
2403 if (used == NULL) {
2404 new_command_longer = true;
2405 *insert = used = ALLOC(Cmd_line);
2406 used->next = NULL;
2407 used->command_line = empty_name;
2408 }
2409 /* Prepare the Cmd_line for the processing */
2410 /* The command line prefixes "@-=?" are stripped and that */
2411 /* information is saved in the Cmd_line */
2412 used->assign = false;
2413 used->ignore_error = ignore_errors;
2414 used->silent = silent;
2415 used->always_exec = false;
2416 /* Expand the macros in the command line */
2417 INIT_STRING_FROM_STACK(command_line, buffer);
2418 make_word_mentioned =
2419 query_mentioned =
2420 false;
2421 expand_value(command_template->command_line, &command_line, true);
2422 /* If the macro $(MAKE) is mentioned in the command */
2423 /* "make -n" runs actually execute the command */
2424 used->make_refd = make_word_mentioned;
2425 used->ignore_command_dependency = query_mentioned;
2426 /* Strip the prefixes */
2427 start = command_line.buffer.start;
2428 for (;
2429 iswspace(*start) ||
2430 (get_char_semantics_value(*start) & (int) command_prefix_sem);
2431 start++) {
2432 switch (*start) {
2433 case question_char:
2434 used->ignore_command_dependency = true;
2435 break;
2436 case exclam_char:
2437 used->ignore_command_dependency = false;
2438 break;
2439 case equal_char:
2440 used->assign = true;
2441 break;
2442 case hyphen_char:
2443 used->ignore_error = true;
2444 break;
2445 case at_char:
2446 if (!do_not_exec_rule) {
2447 used->silent = true;
2448 }
2449 break;
2450 case plus_char:
2451 if(posix) {
2452 used->always_exec = true;
2453 }
2454 break;
2455 }
2456 }
2457 /* If all command lines of the template are prefixed with "?"*/
2458 /* the VIRTUAL_ROOT is not used for cmd consistency checks */
2459 if (!used->ignore_command_dependency) {
2460 ignore_all_command_dependency = false;
2461 }
2462 /* Internalize the expanded and stripped command line */
2463 new_command_line = GETNAME(start, FIND_LENGTH);
2464 if ((used->command_line == NULL) &&
2465 (line->body.line.sccs_command)) {
2466 used->command_line = new_command_line;
2467 new_command_longer = false;
2468 }
2469 /* Compare it with the old one for command consistency */
2470 if (used->command_line != new_command_line) {
2471 Name vpath_translated = vpath_translation(new_command_line);
2472 if (keep_state &&
2473 !used->ignore_command_dependency && (vpath_translated != used->command_line)) {
2474 if (debug_level > 0) {
2475 if (used->command_line != NULL
2476 && *used->command_line->string_mb !=
2477 '\0') {
2478 (void) printf(catgets(catd, 1, 32, "%*sBuilding %s because new command \n\t%s\n%*sdifferent from old\n\t%s\n"),
2479 recursion_level,
2480 "",
2481 target->string_mb,
2482 vpath_translated->string_mb,
2483 recursion_level,
2484 "",
2485 used->
2486 command_line->
2487 string_mb);
2488 } else {
2489 (void) printf(catgets(catd, 1, 33, "%*sBuilding %s because new command \n\t%s\n%*sdifferent from empty old command\n"),
2490 recursion_level,
2491 "",
2492 target->string_mb,
2493 vpath_translated->string_mb,
2494 recursion_level,
2495 "");
2496 }
2497 }
2498 command_changed = true;
2499 line->body.line.is_out_of_date = true;
2500 }
2501 used->command_line = new_command_line;
2502 }
2503 if (command_line.free_after_use) {
2504 retmem(command_line.buffer.start);
2505 }
2506 }
2507 /* Check if the old command is longer than the new for */
2508 /* command consistency */
2509 if (used != NULL) {
2510 *insert = NULL;
2511 if (keep_state &&
2512 !ignore_all_command_dependency) {
2513 if (debug_level > 0) {
2514 (void) printf(catgets(catd, 1, 34, "%*sBuilding %s because new command shorter than old\n"),
2515 recursion_level,
2516 "",
2517 target->string_mb);
2518 }
2519 command_changed = true;
2520 line->body.line.is_out_of_date = true;
2521 }
2522 }
2523 /* Check if the new command is longer than the old command for */
2524 /* command consistency */
2525 if (new_command_longer &&
2526 !ignore_all_command_dependency &&
2527 keep_state) {
2528 if (debug_level > 0) {
2529 (void) printf(catgets(catd, 1, 35, "%*sBuilding %s because new command longer than old\n"),
2530 recursion_level,
2531 "",
2532 target->string_mb);
2533 }
2534 command_changed = true;
2535 line->body.line.is_out_of_date = true;
2536 }
2537 /* Unbind the magic macros */
2538 (void) SETVAR(c_at, (Name) NULL, false);
2539 (void) SETVAR(star, (Name) NULL, false);
2540 (void) SETVAR(less_name, (Name) NULL, false);
2541 (void) SETVAR(percent_name, (Name) NULL, false);
2542 (void) SETVAR(query, (Name) NULL, false);
2543 if (query_list != NULL) {
2544 delete_query_chain(query_list);
2545 }
2546 (void) SETVAR(hat, (Name) NULL, false);
2547 if (hat_list != NULL) {
2548 delete_query_chain(hat_list);
2549 }
2550
2551 if (conditional_macro_used) {
2552 target->conditional_macro_list = cond_macro_list;
2553 cond_macro_list = NULL;
2554 target->depends_on_conditional = true;
2555 }
2556 }
2557
2558 /*
2559 * touch_command(line, target, result)
2560 *
2561 * If this is an "make -t" run we do this.
2562 * We touch all targets in the target group ("foo + fie:") if any.
2563 *
2564 * Return value:
2565 * Indicates if the command failed or not
2566 *
2567 * Parameters:
2568 * line The command line to update
2569 * target The target we are touching
2570 * result Initial value for the result we return
2571 *
2572 * Global variables used:
2573 * do_not_exec_rule Indicates that -n is on
2574 * silent Do not echo commands
2575 */
2576 static Doname
2577 touch_command(register Property line, register Name target, Doname result)
2578 {
2579 Name name;
2580 register Chain target_group;
2581 String_rec touch_string;
2582 wchar_t buffer[MAXPATHLEN];
2583 Name touch_cmd;
2584 Cmd_line rule;
2585
2586
2587 SEND_MTOOL_MSG(
2588 if (!sent_rsrc_info_msg) {
2589 if (userName[0] == '\0') {
2590 avo_get_user(userName, NULL);
2591 }
2592 if (hostName[0] == '\0') {
2593 strcpy(hostName, avo_hostname());
2594 }
2595 send_rsrc_info_msg(1, hostName, userName);
2596 sent_rsrc_info_msg = 1;
2597 }
2598 send_job_start_msg(line);
2599 job_result_msg = new Avo_MToolJobResultMsg();
2600 );
2601 for (name = target, target_group = NULL; name != NULL;) {
2602 if (!name->is_member) {
2603 /*
2604 * Build a touch command that can be passed
2605 * to dosys(). If KEEP_STATE is on, "make -t"
2606 * will save the proper command, not the
2607 * "touch" in .make.state.
2608 */
2609 INIT_STRING_FROM_STACK(touch_string, buffer);
2610 MBSTOWCS(wcs_buffer, NOCATGETS("touch "));
2611 append_string(wcs_buffer, &touch_string, FIND_LENGTH);
2612 touch_cmd = name;
2613 if (name->has_vpath_alias_prop) {
2614 touch_cmd = get_prop(name->prop,
2615 vpath_alias_prop)->
2616 body.vpath_alias.alias;
2617 }
2618 APPEND_NAME(touch_cmd,
2619 &touch_string,
2620 FIND_LENGTH);
2621 touch_cmd = GETNAME(touch_string.buffer.start,
2622 FIND_LENGTH);
2623 if (touch_string.free_after_use) {
2624 retmem(touch_string.buffer.start);
2625 }
2626 if (!silent ||
2627 do_not_exec_rule &&
2628 (target_group == NULL)) {
2629 (void) printf("%s\n", touch_cmd->string_mb);
2630 SEND_MTOOL_MSG(
2631 job_result_msg->appendOutput(AVO_STRDUP(touch_cmd->string_mb));
2632 );
2633 }
2634 /* Run the touch command, or simulate it */
2635 if (!do_not_exec_rule) {
2636
2637 SEND_MTOOL_MSG(
2638 (void) sprintf(mbstring,
2639 NOCATGETS("%s/make.stdout.%d.%d.XXXXXX"),
2640 tmpdir,
2641 getpid(),
2642 file_number++);
2643
2644 int tmp_fd = mkstemp(mbstring);
2645 if(tmp_fd) {
2646 (void) close(tmp_fd);
2647 }
2648
2649 stdout_file = strdup(mbstring);
2650 stderr_file = NULL;
2651 child_pid = pollResults(stdout_file,
2652 (char *)NULL,
2653 (char *)NULL);
2654 );
2655
2656 result = dosys(touch_cmd,
2657 false,
2658 false,
2659 false,
2660 false,
2661 name,
2662 send_mtool_msgs);
2663
2664 SEND_MTOOL_MSG(
2665 append_job_result_msg(job_result_msg);
2666 if (child_pid > 0) {
2667 kill(child_pid, SIGUSR1);
2668 while (!((waitpid(child_pid, 0, 0) == -1)
2669 && (errno == ECHILD)));
2670 }
2671 child_pid = 0;
2672 (void) unlink(stdout_file);
2673 retmem_mb(stdout_file);
2674 stdout_file = NULL;
2675 );
2676
2677 } else {
2678 result = build_ok;
2679 }
2680 } else {
2681 result = build_ok;
2682 }
2683 if (target_group == NULL) {
2684 target_group = line->body.line.target_group;
2685 } else {
2686 target_group = target_group->next;
2687 }
2688 if (target_group != NULL) {
2689 name = target_group->name;
2690 } else {
2691 name = NULL;
2692 }
2693 }
2694 SEND_MTOOL_MSG(
2695 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
2696 xdr_msg = (RWCollectable*) job_result_msg;
2697 xdr(&xdrs, xdr_msg);
2698 (void) fflush(mtool_msgs_fp);
2699 delete job_result_msg;
2700 );
2701 return result;
2702 }
2703
2704 /*
2705 * update_target(line, result)
2706 *
2707 * updates the status of a target after executing its commands.
2708 *
2709 * Parameters:
2710 * line The command line block to update
2711 * result Indicates that build is OK so can update
2712 *
2713 * Global variables used:
2714 * do_not_exec_rule Indicates that -n is on
2715 * touch Fake the new timestamp if we are just touching
2716 */
2717 void
2718 update_target(Property line, Doname result)
2719 {
2720 Name target;
2721 Chain target_group;
2722 Property line2;
2723 timestruc_t old_stat_time;
2724 Property member;
2725
2726 /*
2727 * [tolik] Additional fix for bug 1063790. It was fixed
2728 * for serial make long ago, but DMake dumps core when
2729 * target is a symlink and sccs file is newer then target.
2730 * In this case, finish_children() calls update_target()
2731 * with line==NULL.
2732 */
2733 if(line == NULL) {
2734 /* XXX. Should we do anything here? */
2735 return;
2736 }
2737
2738 target = line->body.line.target;
2739
2740 if ((result == build_ok) && (line->body.line.command_used != NULL)) {
2741 if (do_not_exec_rule ||
2742 touch ||
2743 (target->is_member &&
2744 (line->body.line.command_template != NULL) &&
2745 (line->body.line.command_template->command_line->string_mb[0] == 0) &&
2746 (line->body.line.command_template->next == NULL))) {
2747 /* If we are simulating execution we need to fake a */
2748 /* new timestamp for the target we didnt build */
2749 target->stat.time = file_max_time;
2750 } else {
2751 /*
2752 * If we really built the target we read the new
2753 * timestamp.
2754 * Fix for bug #1110906: if .c file is newer than
2755 * the corresponding .o file which is in an archive
2756 * file, make will compile the .c file but it won't
2757 * update the object in the .a file.
2758 */
2759 old_stat_time = target->stat.time;
2760 target->stat.time = file_no_time;
2761 (void) exists(target);
2762 if ((target->is_member) &&
2763 (target->stat.time == old_stat_time)) {
2764 member = get_prop(target->prop, member_prop);
2765 if (member != NULL) {
2766 target->stat.time = member->body.member.library->stat.time;
2767 target->stat.time.tv_sec++;
2768 }
2769 }
2770 }
2771 /* If the target is part of a group we need to propagate the */
2772 /* result of the run to all members */
2773 for (target_group = line->body.line.target_group;
2774 target_group != NULL;
2775 target_group = target_group->next) {
2776 target_group->name->stat.time = target->stat.time;
2777 line2 = maybe_append_prop(target_group->name,
2778 line_prop);
2779 line2->body.line.command_used =
2780 line->body.line.command_used;
2781 line2->body.line.target = target_group->name;
2782 }
2783 }
2784 target->has_built = true;
2785 }
2786
2787 /*
2788 * sccs_get(target, command)
2789 *
2790 * Figures out if it possible to sccs get a file
2791 * and builds the command to do it if it is.
2792 *
2793 * Return value:
2794 * Indicates if sccs get failed or not
2795 *
2796 * Parameters:
2797 * target Target to get
2798 * command Where to deposit command to use
2799 *
2800 * Global variables used:
2801 * debug_level Should we trace activities?
2802 * recursion_level Used for tracing
2803 * sccs_get_rule The rule to used for sccs getting
2804 */
2805 static Doname
2806 sccs_get(register Name target, register Property *command)
2807 {
2808 register int result;
2809 char link[MAXPATHLEN];
2810 String_rec string;
2811 wchar_t name[MAXPATHLEN];
2812 register wchar_t *p;
2813 timestruc_t sccs_time;
2814 register Property line;
2815 int sym_link_depth = 0;
2816
2817 /* For sccs, we need to chase symlinks. */
2818 while (target->stat.is_sym_link) {
2819 if (sym_link_depth++ > 90) {
2820 fatal(catgets(catd, 1, 95, "Can't read symbolic link `%s': Number of symbolic links encountered during path name traversal exceeds 90."),
2821 target->string_mb);
2822 }
2823 /* Read the value of the link. */
2824 result = readlink_vroot(target->string_mb,
2825 link,
2826 sizeof(link),
2827 NULL,
2828 VROOT_DEFAULT);
2829 if (result == -1) {
2830 fatal(catgets(catd, 1, 36, "Can't read symbolic link `%s': %s"),
2831 target->string_mb, errmsg(errno));
2832 }
2833 link[result] = 0;
2834 /* Use the value to build the proper filename. */
2835 INIT_STRING_FROM_STACK(string, name);
2836
2837 Wstring wcb(target);
2838 if ((link[0] != slash_char) &&
2839 ((p = (wchar_t *) wsrchr(wcb.get_string(), slash_char)) != NULL)) {
2840 append_string(wcb.get_string(), &string, p - wcb.get_string() + 1);
2841 }
2842 append_string(link, &string, result);
2843 /* Replace the old name with the translated name. */
2844 target = normalize_name(string.buffer.start, string.text.p - string.buffer.start);
2845 (void) exists(target);
2846 if (string.free_after_use) {
2847 retmem(string.buffer.start);
2848 }
2849 }
2850
2851 /*
2852 * read_dir() also reads the ?/SCCS dir and saves information
2853 * about which files have SCSC/s. files.
2854 */
2855 if (target->stat.has_sccs == DONT_KNOW_SCCS) {
2856 read_directory_of_file(target);
2857 }
2858 switch (target->stat.has_sccs) {
2859 case DONT_KNOW_SCCS:
2860 /* We dont know by now there is no SCCS/s.* */
2861 target->stat.has_sccs = NO_SCCS;
2862 case NO_SCCS:
2863 /*
2864 * If there is no SCCS/s.* but the plain file exists,
2865 * we say things are OK.
2866 */
2867 if (target->stat.time > file_doesnt_exist) {
2868 return build_ok;
2869 }
2870 /* If we cant find the plain file, we give up. */
2871 return build_dont_know;
2872 case HAS_SCCS:
2873 /*
2874 * Pay dirt. We now need to figure out if the plain file
2875 * is out of date relative to the SCCS/s.* file.
2876 */
2877 sccs_time = exists(get_prop(target->prop,
2878 sccs_prop)->body.sccs.file);
2879 break;
2880 }
2881
2882 if ((!target->has_complained &&
2883 (sccs_time != file_doesnt_exist) &&
2884 (sccs_get_rule != NULL))) {
2885 /* only checking */
2886 if (command == NULL) {
2887 return build_ok;
2888 }
2889 /*
2890 * We provide a command line for the target. The line is a
2891 * "sccs get" command from default.mk.
2892 */
2893 line = maybe_append_prop(target, line_prop);
2894 *command = line;
2895 if (sccs_time > target->stat.time) {
2896 /*
2897 * And only if the plain file is out of date do we
2898 * request execution of the command.
2899 */
2900 line->body.line.is_out_of_date = true;
2901 if (debug_level > 0) {
2902 (void) printf(catgets(catd, 1, 37, "%*sSccs getting %s because s. file is younger than source file\n"),
2903 recursion_level,
2904 "",
2905 target->string_mb);
2906 }
2907 }
2908 line->body.line.sccs_command = true;
2909 line->body.line.command_template = sccs_get_rule;
2910 if(!svr4 && (!allrules_read || posix)) {
2911 if((target->prop) &&
2912 (target->prop->body.sccs.file) &&
2913 (target->prop->body.sccs.file->string_mb)) {
2914 if((strlen(target->prop->body.sccs.file->string_mb) ==
2915 strlen(target->string_mb) + 2) &&
2916 (target->prop->body.sccs.file->string_mb[0] == 's') &&
2917 (target->prop->body.sccs.file->string_mb[1] == '.')) {
2918
2919 line->body.line.command_template = get_posix_rule;
2920 }
2921 }
2922 }
2923 line->body.line.target = target;
2924 /*
2925 * Also make sure the rule is build with $* and $<
2926 * bound properly.
2927 */
2928 line->body.line.star = NULL;
2929 line->body.line.less = NULL;
2930 line->body.line.percent = NULL;
2931 return build_ok;
2932 }
2933 return build_dont_know;
2934 }
2935
2936 /*
2937 * read_directory_of_file(file)
2938 *
2939 * Reads the directory the specified file lives in.
2940 *
2941 * Parameters:
2942 * file The file we need to read dir for
2943 *
2944 * Global variables used:
2945 * dot The Name ".", used as the default dir
2946 */
2947 void
2948 read_directory_of_file(register Name file)
2949 {
2950
2951 Wstring file_string(file);
2952 wchar_t * wcb = file_string.get_string();
2953 wchar_t usr_include_buf[MAXPATHLEN];
2954 wchar_t usr_include_sys_buf[MAXPATHLEN];
2955
2956 register Name directory = dot;
2957 register wchar_t *p = (wchar_t *) wsrchr(wcb,
2958 (int) slash_char);
2959 register int length = p - wcb;
2960 static Name usr_include;
2961 static Name usr_include_sys;
2962
2963 if (usr_include == NULL) {
2964 MBSTOWCS(usr_include_buf, NOCATGETS("/usr/include"));
2965 usr_include = GETNAME(usr_include_buf, FIND_LENGTH);
2966 MBSTOWCS(usr_include_sys_buf, NOCATGETS("/usr/include/sys"));
2967 usr_include_sys = GETNAME(usr_include_sys_buf, FIND_LENGTH);
2968 }
2969
2970 /*
2971 * If the filename contains a "/" we have to extract the path
2972 * Else the path defaults to ".".
2973 */
2974 if (p != NULL) {
2975 /*
2976 * Check some popular directories first to possibly
2977 * save time. Compare string length first to gain speed.
2978 */
2979 if ((usr_include->hash.length == length) &&
2980 IS_WEQUALN(usr_include_buf,
2981 wcb,
2982 length)) {
2983 directory = usr_include;
2984 } else if ((usr_include_sys->hash.length == length) &&
2985 IS_WEQUALN(usr_include_sys_buf,
2986 wcb,
2987 length)) {
2988 directory = usr_include_sys;
2989 } else {
2990 directory = GETNAME(wcb, length);
2991 }
2992 }
2993 (void) read_dir(directory,
2994 (wchar_t *) NULL,
2995 (Property) NULL,
2996 (wchar_t *) NULL);
2997 }
2998
2999 /*
3000 * add_pattern_conditionals(target)
3001 *
3002 * Scan the list of conditionals defined for pattern targets and add any
3003 * that match this target to its list of conditionals.
3004 *
3005 * Parameters:
3006 * target The target we should add conditionals for
3007 *
3008 * Global variables used:
3009 * conditionals The list of pattern conditionals
3010 */
3011 static void
3012 add_pattern_conditionals(register Name target)
3013 {
3014 register Property conditional;
3015 Property new_prop;
3016 Property *previous;
3017 Name_rec dummy;
3018 wchar_t *pattern;
3019 wchar_t *percent;
3020 int length;
3021
3022 Wstring wcb(target);
3023 Wstring wcb1;
3024
3025 for (conditional = get_prop(conditionals->prop, conditional_prop);
3026 conditional != NULL;
3027 conditional = get_prop(conditional->next, conditional_prop)) {
3028 wcb1.init(conditional->body.conditional.target);
3029 pattern = wcb1.get_string();
3030 if (pattern[1] != 0) {
3031 percent = (wchar_t *) wschr(pattern, (int) percent_char);
3032 if (!wcb.equaln(pattern, percent-pattern) ||
3033 !IS_WEQUAL(wcb.get_string(wcb.length()-wslen(percent+1)), percent+1)) {
3034 continue;
3035 }
3036 }
3037 for (previous = &target->prop;
3038 *previous != NULL;
3039 previous = &(*previous)->next) {
3040 if (((*previous)->type == conditional_prop) &&
3041 ((*previous)->body.conditional.sequence >
3042 conditional->body.conditional.sequence)) {
3043 break;
3044 }
3045 }
3046 if (*previous == NULL) {
3047 new_prop = append_prop(target, conditional_prop);
3048 } else {
3049 dummy.prop = NULL;
3050 new_prop = append_prop(&dummy, conditional_prop);
3051 new_prop->next = *previous;
3052 *previous = new_prop;
3053 }
3054 target->conditional_cnt++;
3055 new_prop->body.conditional = conditional->body.conditional;
3056 }
3057 }
3058
3059 /*
3060 * set_locals(target, old_locals)
3061 *
3062 * Sets any conditional macros for the target.
3063 * Each target carries a possibly empty set of conditional properties.
3064 *
3065 * Parameters:
3066 * target The target to set conditional macros for
3067 * old_locals Space to store old values in
3068 *
3069 * Global variables used:
3070 * debug_level Should we trace activity?
3071 * is_conditional We need to preserve this value
3072 * recursion_level Used for tracing
3073 */
3074 void
3075 set_locals(register Name target, register Property old_locals)
3076 {
3077 register Property conditional;
3078 register int i;
3079 register Boolean saved_conditional_macro_used;
3080 Chain cond_name;
3081 Chain cond_chain;
3082
3083 if (target->dont_activate_cond_values) {
3084 return;
3085 }
3086
3087 saved_conditional_macro_used = conditional_macro_used;
3088
3089 /* Scan the list of conditional properties and apply each one */
3090 for (conditional = get_prop(target->prop, conditional_prop), i = 0;
3091 conditional != NULL;
3092 conditional = get_prop(conditional->next, conditional_prop),
3093 i++) {
3094 /* Save the old value */
3095 old_locals[i].body.macro =
3096 maybe_append_prop(conditional->body.conditional.name,
3097 macro_prop)->body.macro;
3098 if (debug_level > 1) {
3099 (void) printf(catgets(catd, 1, 38, "%*sActivating conditional value: "),
3100 recursion_level,
3101 "");
3102 }
3103 /* Set the conditional value. Macros are expanded when the */
3104 /* macro is refd as usual */
3105 if ((conditional->body.conditional.name != virtual_root) ||
3106 (conditional->body.conditional.value != virtual_root)) {
3107 (void) SETVAR(conditional->body.conditional.name,
3108 conditional->body.conditional.value,
3109 (Boolean) conditional->body.conditional.append);
3110 }
3111 cond_name = ALLOC(Chain);
3112 cond_name->name = conditional->body.conditional.name;
3113 }
3114 /* Put this target on the front of the chain of conditional targets */
3115 cond_chain = ALLOC(Chain);
3116 cond_chain->name = target;
3117 cond_chain->next = conditional_targets;
3118 conditional_targets = cond_chain;
3119 conditional_macro_used = saved_conditional_macro_used;
3120 }
3121
3122 /*
3123 * reset_locals(target, old_locals, conditional, index)
3124 *
3125 * Removes any conditional macros for the target.
3126 *
3127 * Parameters:
3128 * target The target we are retoring values for
3129 * old_locals The values to restore
3130 * conditional The first conditional block for the target
3131 * index into the old_locals vector
3132 * Global variables used:
3133 * debug_level Should we trace activities?
3134 * recursion_level Used for tracing
3135 */
3136 void
3137 reset_locals(register Name target, register Property old_locals, register Property conditional, register int index)
3138 {
3139 register Property this_conditional;
3140 Chain cond_chain;
3141
3142 if (target->dont_activate_cond_values) {
3143 return;
3144 }
3145
3146 /* Scan the list of conditional properties and restore the old value */
3147 /* to each one Reverse the order relative to when we assigned macros */
3148 this_conditional = get_prop(conditional->next, conditional_prop);
3149 if (this_conditional != NULL) {
3150 reset_locals(target, old_locals, this_conditional, index+1);
3151 } else {
3152 /* Remove conditional target from chain */
3153 if (conditional_targets == NULL ||
3154 conditional_targets->name != target) {
3155 warning(catgets(catd, 1, 39, "Internal error: reset target not at head of condtional_targets chain"));
3156 } else {
3157 cond_chain = conditional_targets->next;
3158 retmem_mb((caddr_t) conditional_targets);
3159 conditional_targets = cond_chain;
3160 }
3161 }
3162 get_prop(conditional->body.conditional.name->prop,
3163 macro_prop)->body.macro = old_locals[index].body.macro;
3164 if (conditional->body.conditional.name == virtual_root) {
3165 (void) SETVAR(virtual_root, getvar(virtual_root), false);
3166 }
3167 if (debug_level > 1) {
3168 if (old_locals[index].body.macro.value != NULL) {
3169 (void) printf(catgets(catd, 1, 40, "%*sdeactivating conditional value: %s= %s\n"),
3170 recursion_level,
3171 "",
3172 conditional->body.conditional.name->
3173 string_mb,
3174 old_locals[index].body.macro.value->
3175 string_mb);
3176 } else {
3177 (void) printf(catgets(catd, 1, 41, "%*sdeactivating conditional value: %s =\n"),
3178 recursion_level,
3179 "",
3180 conditional->body.conditional.name->
3181 string_mb);
3182 }
3183 }
3184 }
3185
3186 /*
3187 * check_auto_dependencies(target, auto_count, automatics)
3188 *
3189 * Returns true if the target now has a dependency
3190 * it didn't previously have (saved on automatics).
3191 *
3192 * Return value:
3193 * true if new dependency found
3194 *
3195 * Parameters:
3196 * target Target we check
3197 * auto_count Number of old automatic vars
3198 * automatics Saved old automatics
3199 *
3200 * Global variables used:
3201 * keep_state Indicates that .KEEP_STATE is on
3202 */
3203 Boolean
3204 check_auto_dependencies(Name target, int auto_count, Name *automatics)
3205 {
3206 Name *p;
3207 int n;
3208 Property line;
3209 Dependency dependency;
3210
3211 if (keep_state) {
3212 if ((line = get_prop(target->prop, line_prop)) == NULL) {
3213 return false;
3214 }
3215 /* Go thru new list of automatic depes */
3216 for (dependency = line->body.line.dependencies;
3217 dependency != NULL;
3218 dependency = dependency->next) {
3219 /* And make sure that each one existed before we */
3220 /* built the target */
3221 if (dependency->automatic && !dependency->stale) {
3222 for (n = auto_count, p = automatics;
3223 n > 0;
3224 n--) {
3225 if (*p++ == dependency->name) {
3226 /* If we can find it on the */
3227 /* saved list of autos we */
3228 /* are OK */
3229 goto not_new;
3230 }
3231 }
3232 /* But if we scan over the old list */
3233 /* of auto. without finding it it is */
3234 /* new and we must check it */
3235 return true;
3236 }
3237 not_new:;
3238 }
3239 return false;
3240 } else {
3241 return false;
3242 }
3243 }
3244
3245
3246 // Recursively delete each of the Chain struct on the chain.
3247
3248 static void
3249 delete_query_chain(Chain ch)
3250 {
3251 if (ch == NULL) {
3252 return;
3253 } else {
3254 delete_query_chain(ch->next);
3255 retmem_mb((char *) ch);
3256 }
3257 }
3258
3259 Doname
3260 target_can_be_built(register Name target) {
3261 Doname result = build_dont_know;
3262 Name true_target = target;
3263 Property line;
3264
3265 if (target == wait_name) {
3266 return(build_ok);
3267 }
3268 /*
3269 * If the target is a constructed one for a "::" target,
3270 * we need to consider that.
3271 */
3272 if (target->has_target_prop) {
3273 true_target = get_prop(target->prop,
3274 target_prop)->body.target.target;
3275 }
3276
3277 (void) exists(true_target);
3278
3279 if (true_target->state == build_running) {
3280 return(build_running);
3281 }
3282 if (true_target->stat.time != file_doesnt_exist) {
3283 result = build_ok;
3284 }
3285
3286 /* get line property for the target */
3287 line = get_prop(true_target->prop, line_prop);
3288
3289 /* first check for explicit rule */
3290 if (line != NULL && line->body.line.command_template != NULL) {
3291 result = build_ok;
3292 }
3293 /* try to find pattern rule */
3294 if (result == build_dont_know) {
3295 result = find_percent_rule(target, NULL, false);
3296 }
3297
3298 /* try to find double suffix rule */
3299 if (result == build_dont_know) {
3300 if (target->is_member) {
3301 Property member = get_prop(target->prop, member_prop);
3302 if (member != NULL && member->body.member.member != NULL) {
3303 result = find_ar_suffix_rule(target, member->body.member.member, NULL, false);
3304 } else {
3305 result = find_double_suffix_rule(target, NULL, false);
3306 }
3307 } else {
3308 result = find_double_suffix_rule(target, NULL, false);
3309 }
3310 }
3311
3312 /* try to find suffix rule */
3313 if ((result == build_dont_know) && second_pass) {
3314 result = find_suffix_rule(target, target, empty_name, NULL, false);
3315 }
3316
3317 /* check for sccs */
3318 if (result == build_dont_know) {
3319 result = sccs_get(target, NULL);
3320 }
3321
3322 /* try to find dyn target */
3323 if (result == build_dont_know) {
3324 Name dtarg = find_dyntarget(target);
3325 if (dtarg != NULL) {
3326 result = target_can_be_built(dtarg);
3327 }
3328 }
3329
3330 /* check whether target was mentioned in makefile */
3331 if (result == build_dont_know) {
3332 if (target->colons != no_colon) {
3333 result = build_ok;
3334 }
3335 }
3336
3337 /* result */
3338 return result;
3339 }