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29 * Figure out which targets are out of date and rebuild them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 {
973 timestruc_t depe_time = file_doesnt_exist;
974
975
976 if (true_target->is_member) {
977 depe_time = exists(dependency->name);
978 }
979 if (dependency->built ||
980 (dependency->name->state == build_failed)) {
981 dep_result = (Doname) dependency->name->state;
982 } else {
983 dep_result = doname_check(dependency->name,
984 do_get,
985 false,
986 (Boolean) dependency->automatic);
987 }
988 if (true_target->is_member || dependency->name->is_member) {
989 /* should compare only secs, cause lib members does not have nsec time resolution */
990 if (depe_time.tv_sec != dependency->name->stat.time.tv_sec) {
991 this_dependency_changed =
992 dependency_changed =
993 true;
994 }
995 } else {
996 if (depe_time != dependency->name->stat.time) {
997 this_dependency_changed =
998 dependency_changed =
999 true;
1000 }
1001 }
1002 dependency->built = true;
1003 switch (dep_result) {
1004 case build_running:
1005 dependencies_running = true;
1006 continue;
1007 case build_failed:
1008 *result = build_failed;
1009 break;
1010 case build_dont_know:
1011 /*
1012 * If make can't figure out how to make a dependency, maybe the dependency
1013 * is out of date. In this case, we just declare the target out of date
1014 * and go on. If we really need the dependency, the make'ing of the target
1015 * will fail. This will only happen for automatic (hidden) dependencies.
1016 */
1017 if(!recheck_conditionals) {
1018 line->body.line.is_out_of_date = true;
1019 }
1020 /*
1021 * Make sure the dependency is not saved
1022 * in the state file.
1023 */
1024 dependency->stale = true;
1025 rewrite_statefile =
1026 command_changed =
1027 true;
1028 if (debug_level > 0) {
1029 (void) printf(catgets(catd, 1, 19, "Target %s rebuilt because dependency %s does not exist\n"),
1030 true_target->string_mb,
1031 dependency->name->string_mb);
1032 }
1033 break;
1034 }
1035 if (dependency->name->depends_on_conditional) {
1036 target->depends_on_conditional = true;
1037 }
1038 if (dependency->name == force) {
1039 target->stat.time =
1040 dependency->name->stat.time;
1041 }
1042 /*
1043 * Propagate new timestamp from "member" to
1044 * "lib.a(member)".
1045 */
1046 (void) exists(dependency->name);
1047
1048 /* Collect the timestamp of the youngest dependency */
1049 line->body.line.dependency_time =
1050 MAX(dependency->name->stat.time,
1051 line->body.line.dependency_time);
1052
1053 /* Correction: do not consider nanosecs for members */
1054 if(true_target->is_member || dependency->name->is_member) {
1055 line->body.line.dependency_time.tv_nsec = 0;
1056 }
1057
1058 if (debug_level > 1) {
1059 (void) printf(catgets(catd, 1, 20, "%*sDate(%s)=%s \n"),
1060 recursion_level,
1061 "",
1062 dependency->name->string_mb,
1063 time_to_string(dependency->name->
1064 stat.time));
1065 if (dependency->name->stat.time > line->body.line.dependency_time) {
1066 (void) printf(catgets(catd, 1, 21, "%*sDate-dependencies(%s) set to %s\n"),
1067 recursion_level,
1068 "",
1069 true_target->string_mb,
1070 time_to_string(line->body.line.
1071 dependency_time));
1072 }
1073 }
1074
1075 /* Build the $? list */
1076 if (true_target->is_member) {
1077 if (this_dependency_changed == true) {
1078 true_target->stat.time = dependency->name->stat.time;
1079 true_target->stat.time.tv_sec--;
1080 } else {
1081 /* Dina:
1082 * The next statement is commented
1083 * out as a fix for bug #1051032.
1084 * if dependency hasn't changed
1085 * then there's no need to invalidate
1086 * true_target. This statemnt causes
1087 * make to take much longer to process
1088 * an already-built archive. Soren
1089 * said it was a quick fix for some
1090 * problem he doesn't remember.
1091 true_target->stat.time = file_no_time;
1092 */
1093 (void) exists(true_target);
1094 }
1095 } else {
1096 (void) exists(true_target);
1097 }
1098 Boolean out_of_date;
1099 if (true_target->is_member || dependency->name->is_member) {
1100 out_of_date = (Boolean) OUT_OF_DATE_SEC(true_target->stat.time,
1101 dependency->name->stat.time);
1102 } else {
1103 out_of_date = (Boolean) OUT_OF_DATE(true_target->stat.time,
1104 dependency->name->stat.time);
1105 }
1106 if ((build_unconditional || out_of_date) &&
1107 (dependency->name != force) &&
1108 (dependency->stale == false)) {
1109 *out_of_date_tail = ALLOC(Chain);
1110 if (dependency->name->is_member &&
1111 (get_prop(dependency->name->prop,
1112 member_prop) != NULL)) {
1113 (*out_of_date_tail)->name =
1114 get_prop(dependency->name->prop,
1115 member_prop)->
1116 body.member.member;
1117 } else {
1118 (*out_of_date_tail)->name =
1119 dependency->name;
1120 }
1121 (*out_of_date_tail)->next = NULL;
1122 out_of_date_tail = &(*out_of_date_tail)->next;
1123 if (debug_level > 0) {
1124 if (dependency->name->stat.time == file_max_time) {
1125 (void) printf(catgets(catd, 1, 22, "%*sBuilding %s because %s does not exist\n"),
1126 recursion_level,
1127 "",
1128 true_target->string_mb,
1129 dependency->name->string_mb);
1130 } else {
1131 (void) printf(catgets(catd, 1, 23, "%*sBuilding %s because it is out of date relative to %s\n"),
1132 recursion_level,
1133 "",
1134 true_target->string_mb,
1135 dependency->name->string_mb);
1136 }
1137 }
1138 }
1139 if (dependency->name == force) {
1140 force->stat.time =
1141 file_max_time;
1142 force->state = build_dont_know;
1143 }
1144 }
1145 }
1146 if (dependencies_running) {
1147 if (doing_subtree) {
1148 if (target->conditional_cnt > 0) {
1149 reset_locals(target,
1150 old_locals,
1151 get_prop(target->prop,
1152 conditional_prop),
1153 0);
1154 }
1155 return true;
1156 } else {
1157 target->state = build_running;
1158 add_pending(target,
1159 --recursion_level,
1160 do_get,
1161 implicit,
1162 false);
1163 if (target->conditional_cnt > 0) {
1164 reset_locals(target,
1165 old_locals,
1166 get_prop(target->prop,
1167 conditional_prop),
1168 0);
1169 }
1170 return true;
1171 }
1172 }
1173 /*
1174 * Collect the timestamp of the youngest double colon target
1175 * dependency.
1176 */
1177 if (target->is_double_colon_parent) {
1178 for (dependency = line->body.line.dependencies;
1179 dependency != NULL;
1180 dependency = dependency->next) {
1181 Property tmp_line;
1182
1183 if ((tmp_line = get_prop(dependency->name->prop, line_prop)) != NULL) {
1184 if(tmp_line->body.line.dependency_time != file_max_time) {
1185 target->stat.time =
1186 MAX(tmp_line->body.line.dependency_time,
1187 target->stat.time);
1188 }
1189 }
1190 }
1191 }
1192 if ((true_target->is_member) && (dependency_changed == true)) {
1193 true_target->stat.time = file_no_time;
1194 }
1195 /*
1196 * After scanning all the dependencies, we check the rule
1197 * if we found one.
1198 */
1199 if (line->body.line.command_template != NULL) {
1200 if (line->body.line.command_template_redefined) {
1201 warning(catgets(catd, 1, 24, "Too many rules defined for target %s"),
1202 target->string_mb);
1203 }
1204 *command = line;
1205 /* Check if the target is out of date */
1206 Boolean out_of_date;
1207 if (true_target->is_member) {
1208 out_of_date = (Boolean) OUT_OF_DATE_SEC(true_target->stat.time,
1209 line->body.line.dependency_time);
1210 } else {
1211 out_of_date = (Boolean) OUT_OF_DATE(true_target->stat.time,
1212 line->body.line.dependency_time);
1213 }
1214 if (build_unconditional || out_of_date){
1215 if(!recheck_conditionals) {
1216 line->body.line.is_out_of_date = true;
1217 }
1218 }
1219 line->body.line.sccs_command = false;
1220 line->body.line.target = true_target;
1221 if(gnu_style) {
1222
1223 // set $< for explicit rule
1224 if(line->body.line.dependencies != NULL) {
1225 less = line->body.line.dependencies->name;
1226 }
1227
1228 // set $* for explicit rule
1229 Name target_body;
1230 Name tt = true_target;
1231 Property member;
1232 register wchar_t *target_end;
1233 register Dependency suffix;
1234 register int suffix_length;
1235 Wstring targ_string;
1236 Wstring suf_string;
1237
1238 if (true_target->is_member &&
1239 ((member = get_prop(target->prop, member_prop)) !=
1240 NULL)) {
1241 tt = member->body.member.member;
1242 }
1243 targ_string.init(tt);
1244 target_end = targ_string.get_string() + tt->hash.length;
1245 for (suffix = suffixes; suffix != NULL; suffix = suffix->next) {
1246 suffix_length = suffix->name->hash.length;
1247 suf_string.init(suffix->name);
1248 if (tt->hash.length < suffix_length) {
1249 continue;
1250 } else if (!IS_WEQUALN(suf_string.get_string(),
1251 (target_end - suffix_length),
1252 suffix_length)) {
1253 continue;
1254 }
1255 target_body = GETNAME(
1256 targ_string.get_string(),
1257 (int)(tt->hash.length - suffix_length)
1258 );
1259 line->body.line.star = target_body;
1260 }
1261
1262 // set result = build_ok so that implicit rules are not used.
1263 if(*result == build_dont_know) {
1264 *result = build_ok;
1265 }
1266 }
1267 if (less != NULL) {
1268 line->body.line.less = less;
1269 }
1270 }
1271
1272 return false;
1273 }
1274
1275 /*
1276 * dynamic_dependencies(target)
1277 *
1278 * Checks if any dependency contains a macro ref
1279 * If so, it replaces the dependency with the expanded version.
1280 * Here, "$@" gets translated to target->string. That is
1281 * the current name on the left of the colon in the
1282 * makefile. Thus,
1283 * xyz: s.$@.c
1284 * translates into
1285 * xyz: s.xyz.c
1286 *
1287 * Also, "$(@F)" translates to the same thing without a preceeding
1288 * directory path (if one exists).
1289 * Note, to enter "$@" on a dependency line in a makefile
1290 * "$$@" must be typed. This is because make expands
1291 * macros in dependency lists upon reading them.
1292 * dynamic_dependencies() also expands file wildcards.
1293 * If there are any Shell meta characters in the name,
1294 * search the directory, and replace the dependency
1295 * with the set of files the pattern matches
1296 *
1297 * Parameters:
1298 * target Target to sanitize dependencies for
1299 *
1300 * Global variables used:
1301 * c_at The Name "@", used to set macro value
1302 * debug_level Should we trace actions?
1303 * dot The Name ".", used to read directory
1304 * recursion_level Used for tracing
1305 */
1306 void
1307 dynamic_dependencies(Name target)
1308 {
1309 wchar_t pattern[MAXPATHLEN];
1310 register wchar_t *p;
1311 Property line;
1312 register Dependency dependency;
1313 register Dependency *remove;
1314 String_rec string;
1315 wchar_t buffer[MAXPATHLEN];
1316 register Boolean set_at = false;
1317 register wchar_t *start;
1318 Dependency new_depe;
1319 register Boolean reuse_cell;
1320 Dependency first_member;
1321 Name directory;
1322 Name lib;
1323 Name member;
1324 Property prop;
1325 Name true_target = target;
1326 wchar_t *library;
1327
1328 if ((line = get_prop(target->prop, line_prop)) == NULL) {
1329 return;
1330 }
1331 /* If the target is constructed from a "::" target we consider that */
1332 if (target->has_target_prop) {
1333 true_target = get_prop(target->prop,
1334 target_prop)->body.target.target;
1335 }
1336 /* Scan all dependencies and process the ones that contain "$" chars */
1337 for (dependency = line->body.line.dependencies;
1338 dependency != NULL;
1339 dependency = dependency->next) {
1340 if (!dependency->name->dollar) {
1341 continue;
1342 }
1343 target->has_depe_list_expanded = true;
1344
1345 /* The make macro $@ is bound to the target name once per */
1346 /* invocation of dynamic_dependencies() */
1347 if (!set_at) {
1348 (void) SETVAR(c_at, true_target, false);
1349 set_at = true;
1350 }
1351 /* Expand this dependency string */
1352 INIT_STRING_FROM_STACK(string, buffer);
1353 expand_value(dependency->name, &string, false);
1354 /* Scan the expanded string. It could contain whitespace */
1355 /* which mean it expands to several dependencies */
1356 start = string.buffer.start;
1357 while (iswspace(*start)) {
1358 start++;
1359 }
1360 /* Remove the cell (later) if the macro was empty */
1361 if (start[0] == (int) nul_char) {
1362 dependency->name = NULL;
1363 }
1364
1365 /* azv 10/26/95 to fix bug BID_1170218 */
1366 if ((start[0] == (int) period_char) &&
1367 (start[1] == (int) slash_char)) {
1368 start += 2;
1369 }
1370 /* azv */
1371
1372 first_member = NULL;
1373 /* We use the original dependency cell for the first */
1374 /* dependency from the expansion */
1375 reuse_cell = true;
1376 /* We also have to deal with dependencies that expand to */
1377 /* lib.a(members) notation */
1378 for (p = start; *p != (int) nul_char; p++) {
1379 if ((*p == (int) parenleft_char)) {
1380 lib = GETNAME(start, p - start);
1381 lib->is_member = true;
1382 first_member = dependency;
1383 start = p + 1;
1384 while (iswspace(*start)) {
1385 start++;
1386 }
1387 break;
1388 }
1389 }
1390 do {
1391 /* First skip whitespace */
1392 for (p = start; *p != (int) nul_char; p++) {
1393 if ((*p == (int) nul_char) ||
1394 iswspace(*p) ||
1395 (*p == (int) parenright_char)) {
1396 break;
1397 }
1398 }
1399 /* Enter dependency from expansion */
1400 if (p != start) {
1401 /* Create new dependency cell if */
1402 /* this is not the first dependency */
1403 /* picked from the expansion */
1404 if (!reuse_cell) {
1405 new_depe = ALLOC(Dependency);
1406 new_depe->next = dependency->next;
1407 new_depe->automatic = false;
1408 new_depe->stale = false;
1409 new_depe->built = false;
1410 dependency->next = new_depe;
1411 dependency = new_depe;
1412 }
1413 reuse_cell = false;
1414 /* Internalize the dependency name */
1415 // tolik. Fix for bug 4110429: inconsistent expansion for macros that
1416 // include "//" and "/./"
1417 //dependency->name = GETNAME(start, p - start);
1418 dependency->name = normalize_name(start, p - start);
1419 if ((debug_level > 0) &&
1420 (first_member == NULL)) {
1421 (void) printf(catgets(catd, 1, 25, "%*sDynamic dependency `%s' for target `%s'\n"),
1422 recursion_level,
1423 "",
1424 dependency->name->string_mb,
1425 true_target->string_mb);
1426 }
1427 for (start = p; iswspace(*start); start++);
1428 p = start;
1429 }
1430 } while ((*p != (int) nul_char) &&
1431 (*p != (int) parenright_char));
1432 /* If the expansion was of lib.a(members) format we now */
1433 /* enter the proper member cells */
1434 if (first_member != NULL) {
1435 /* Scan the new dependencies and transform them from */
1436 /* "foo" to "lib.a(foo)" */
1437 for (; 1; first_member = first_member->next) {
1438 /* Build "lib.a(foo)" name */
1439 INIT_STRING_FROM_STACK(string, buffer);
1440 APPEND_NAME(lib,
1441 &string,
1442 (int) lib->hash.length);
1443 append_char((int) parenleft_char, &string);
1444 APPEND_NAME(first_member->name,
1445 &string,
1446 FIND_LENGTH);
1447 append_char((int) parenright_char, &string);
1448 member = first_member->name;
1449 /* Replace "foo" with "lib.a(foo)" */
1450 first_member->name =
1451 GETNAME(string.buffer.start, FIND_LENGTH);
1452 if (string.free_after_use) {
1453 retmem(string.buffer.start);
1454 }
1455 if (debug_level > 0) {
1456 (void) printf(catgets(catd, 1, 26, "%*sDynamic dependency `%s' for target `%s'\n"),
1457 recursion_level,
1458 "",
1459 first_member->name->
1460 string_mb,
1461 true_target->string_mb);
1462 }
1463 first_member->name->is_member = lib->is_member;
1464 /* Add member property to member */
1465 prop = maybe_append_prop(first_member->name,
1466 member_prop);
1467 prop->body.member.library = lib;
1468 prop->body.member.entry = NULL;
1469 prop->body.member.member = member;
1470 if (first_member == dependency) {
1471 break;
1472 }
1473 }
1474 }
1475 }
1476 Wstring wcb;
1477 /* Then scan all the dependencies again. This time we want to expand */
1478 /* shell file wildcards */
1479 for (remove = &line->body.line.dependencies, dependency = *remove;
1480 dependency != NULL;
1481 dependency = *remove) {
1482 if (dependency->name == NULL) {
1483 dependency = *remove = (*remove)->next;
1484 continue;
1485 }
1486 /* If dependency name string contains shell wildcards */
1487 /* replace the name with the expansion */
1488 if (dependency->name->wildcard) {
1489 wcb.init(dependency->name);
1490 if ((start = (wchar_t *) wschr(wcb.get_string(),
1491 (int) parenleft_char)) != NULL) {
1492 /* lib(*) type pattern */
1493 library = buffer;
1494 (void) wsncpy(buffer,
1495 wcb.get_string(),
1496 start - wcb.get_string());
1497 buffer[start-wcb.get_string()] =
1498 (int) nul_char;
1499 (void) wsncpy(pattern,
1500 start + 1,
1501 (int) (dependency->name->hash.length-(start-wcb.get_string())-2));
1502 pattern[dependency->name->hash.length -
1503 (start-wcb.get_string()) - 2] =
1504 (int) nul_char;
1505 } else {
1506 library = NULL;
1507 (void) wsncpy(pattern,
1508 wcb.get_string(),
1509 (int) dependency->name->hash.length);
1510 pattern[dependency->name->hash.length] =
1511 (int) nul_char;
1512 }
1513 start = (wchar_t *) wsrchr(pattern, (int) slash_char);
1514 if (start == NULL) {
1515 directory = dot;
1516 p = pattern;
1517 } else {
1518 directory = GETNAME(pattern, start-pattern);
1519 p = start+1;
1520 }
1521 /* The expansion is handled by the read_dir() routine*/
1522 if (read_dir(directory, p, line, library)) {
1523 *remove = (*remove)->next;
1524 } else {
1525 remove = &dependency->next;
1526 }
1527 } else {
1528 remove = &dependency->next;
1529 }
1530 }
1531
1532 /* Then unbind $@ */
1533 (void) SETVAR(c_at, (Name) NULL, false);
1534 }
1535
1536 /*
1537 * DONE.
1538 *
1539 * run_command(line)
1540 *
1541 * Takes one Cmd_line and runs the commands from it.
1542 *
1543 * Return value:
1544 * Indicates if the command failed or not
1545 *
1546 * Parameters:
1547 * line The command line to run
1548 *
1549 * Global variables used:
1550 * commands_done Set if we do run command
1551 * current_line Set to the line we run a command from
1552 * current_target Set to the target we run a command for
1553 * file_number Used to form temp file name
1554 * keep_state Indicates that .KEEP_STATE is on
1555 * make_state The Name ".make.state", used to check timestamp
1556 * parallel True if currently building in parallel
1557 * parallel_process_cnt Count of parallel processes running
1558 * quest Indicates that make -q is on
1559 * rewrite_statefile Set if we do run a command
1560 * sunpro_dependencies The Name "SUNPRO_DEPENDENCIES", set value
1561 * temp_file_directory Used to form temp fie name
1562 * temp_file_name Set to the name of the temp file
1563 * touch Indicates that make -t is on
1564 */
1565 static Doname
1566 run_command(register Property line, Boolean)
1567 {
1568 register Doname result = build_ok;
1569 register Boolean remember_only = false;
1570 register Name target = line->body.line.target;
1571 wchar_t *string;
1572 char tmp_file_path[MAXPATHLEN];
1573
1574 if (!line->body.line.is_out_of_date && target->rechecking_target) {
1575 target->rechecking_target = false;
1576 return build_ok;
1577 }
1578
1579 /*
1580 * Build the command if we know the target is out of date,
1581 * or if we want to check cmd consistency.
1582 */
1583 if (line->body.line.is_out_of_date || keep_state) {
1584 /* Hack for handling conditional macros in DMake. */
1585 if (!line->body.line.dont_rebuild_command_used) {
1586 build_command_strings(target, line);
1587 }
1588 }
1589 /* Never mind */
1590 if (!line->body.line.is_out_of_date) {
1591 return build_ok;
1592 }
1593 /* If quest, then exit(1) because the target is out of date */
1594 if (quest) {
1595 if (posix) {
1596 result = execute_parallel(line, true);
1597 }
1598 exit_status = 1;
1599 exit(1);
1600 }
1601 /* We actually had to do something this time */
1602 rewrite_statefile = commands_done = true;
1603 /*
1604 * If this is an sccs command, we have to do some extra checking
1605 * and possibly complain. If the file can't be gotten because it's
1606 * checked out, we complain and behave as if the command was
1607 * executed eventhough we ignored the command.
1608 */
1609 if (!touch &&
1610 line->body.line.sccs_command &&
1611 (target->stat.time != file_doesnt_exist) &&
1612 ((target->stat.mode & 0222) != 0)) {
1613 fatal(catgets(catd, 1, 27, "%s is writable so it cannot be sccs gotten"),
1614 target->string_mb);
1615 target->has_complained = remember_only = true;
1616 }
1617 /*
1618 * If KEEP_STATE is on, we make sure we have the timestamp for
1619 * .make.state. If .make.state changes during the command run,
1620 * we reread .make.state after the command. We also setup the
1621 * environment variable that asks utilities to report dependencies.
1622 */
1623 if (!touch &&
1624 keep_state &&
1625 !remember_only) {
1626 (void) exists(make_state);
1627 if((strlen(temp_file_directory) == 1) &&
1628 (temp_file_directory[0] == '/')) {
1629 tmp_file_path[0] = '\0';
1630 } else {
1631 strcpy(tmp_file_path, temp_file_directory);
1632 }
1633 sprintf(mbs_buffer,
1634 NOCATGETS("%s/.make.dependency.%08x.%d.%d"),
1635 tmp_file_path,
1636 hostid,
1637 getpid(),
1638 file_number++);
1639 MBSTOWCS(wcs_buffer, mbs_buffer);
1640 Boolean fnd;
1641 temp_file_name = getname_fn(wcs_buffer, FIND_LENGTH, false, &fnd);
1642 temp_file_name->stat.is_file = true;
1643 int len = 2*MAXPATHLEN + strlen(target->string_mb) + 2;
1644 wchar_t *to = string = ALLOC_WC(len);
1645 for (wchar_t *from = wcs_buffer; *from != (int) nul_char; ) {
1646 if (*from == (int) space_char) {
1647 *to++ = (int) backslash_char;
1648 }
1649 *to++ = *from++;
1650 }
1651 *to++ = (int) space_char;
1652 MBSTOWCS(to, target->string_mb);
1653 Name sprodep_name = getname_fn(string, FIND_LENGTH, false, &fnd);
1654 (void) SETVAR(sunpro_dependencies,
1655 sprodep_name,
1656 false);
1657 retmem(string);
1658 } else {
1659 temp_file_name = NULL;
1660 }
1661
1662 /*
1663 * In case we are interrupted, we need to know what was going on.
1664 */
1665 current_target = target;
1666 /*
1667 * We also need to be able to save an empty command instead of the
1668 * interrupted one in .make.state.
1669 */
1670 current_line = line;
1671 if (remember_only) {
1672 /* Empty block!!! */
1673 } else if (touch) {
1674 result = touch_command(line, target, result);
1675 if (posix) {
1676 result = execute_parallel(line, true);
1677 }
1678 } else {
1679 /*
1680 * If this is not a touch run, we need to execute the
1681 * proper command(s) for the target.
1682 */
1683 if (parallel) {
1684 if (!parallel_ok(target, true)) {
1685 /*
1686 * We are building in parallel, but
1687 * this target must be built in serial.
1688 */
1689 /*
1690 * If nothing else is building,
1691 * do this one, else wait.
1692 */
1693 if (parallel_process_cnt == 0) {
1694 result = execute_parallel(line, true, target->localhost);
1695 } else {
1696 current_target = NULL;
1697 current_line = NULL;
1698 /*
1699 line->body.line.command_used = NULL;
1700 */
1701 line->body.line.dont_rebuild_command_used = true;
1702 return build_serial;
1703 }
1704 } else {
1705 result = execute_parallel(line, false);
1706 switch (result) {
1707 case build_running:
1708 return build_running;
1709 case build_serial:
1710 if (parallel_process_cnt == 0) {
1711 result = execute_parallel(line, true, target->localhost);
1712 } else {
1713 current_target = NULL;
1714 current_line = NULL;
1715 target->parallel = false;
1716 line->body.line.command_used =
1717 NULL;
1718 return build_serial;
1719 }
1720 }
1721 }
1722 } else {
1723 result = execute_parallel(line, true, target->localhost);
1724 }
1725 }
1726 temp_file_name = NULL;
1727 if (report_dependencies_level == 0){
1728 update_target(line, result);
1729 }
1730 current_target = NULL;
1731 current_line = NULL;
1732 return result;
1733 }
1734
1735 /*
1736 * execute_serial(line)
1737 *
1738 * Runs thru the command line for the target and
1739 * executes the rules one by one.
1740 *
1741 * Return value:
1742 * The result of the command build
1743 *
1744 * Parameters:
1745 * line The command to execute
1746 *
1747 * Static variables used:
1748 *
1749 * Global variables used:
1750 * continue_after_error -k flag
1751 * do_not_exec_rule -n flag
1752 * report_dependencies -P flag
1753 * silent Don't echo commands before executing
1754 * temp_file_name Temp file for auto dependencies
1755 * vpath_defined If true, translate path for command
1756 */
1757 Doname
1758 execute_serial(Property line)
1759 {
1760 int child_pid = 0;
1761 Boolean printed_serial;
1762 Doname result = build_ok;
1763 Cmd_line rule, cmd_tail, command = NULL;
1764 char mbstring[MAXPATHLEN];
1765 int filed;
1766 Name target = line->body.line.target;
1767
1768 SEND_MTOOL_MSG(
1769 if (!sent_rsrc_info_msg) {
1770 if (userName[0] == '\0') {
1771 avo_get_user(userName, NULL);
1772 }
1773 if (hostName[0] == '\0') {
1774 strcpy(hostName, avo_hostname());
1775 }
1776 send_rsrc_info_msg(1, hostName, userName);
1777 sent_rsrc_info_msg = 1;
1778 }
1779 send_job_start_msg(line);
1780 job_result_msg = new Avo_MToolJobResultMsg();
1781 );
1782
1783 target->has_recursive_dependency = false;
1784 // We have to create a copy of the rules chain for processing because
1785 // the original one can be destroyed during .make.state file rereading.
1786 for (rule = line->body.line.command_used;
1787 rule != NULL;
1788 rule = rule->next) {
1789 if (command == NULL) {
1790 command = cmd_tail = ALLOC(Cmd_line);
1791 } else {
1792 cmd_tail->next = ALLOC(Cmd_line);
1793 cmd_tail = cmd_tail->next;
1794 }
1795 *cmd_tail = *rule;
1796 }
1797 if (command) {
1798 cmd_tail->next = NULL;
1799 }
1800 for (rule = command; rule != NULL; rule = rule->next) {
1801 if (posix && (touch || quest) && !rule->always_exec) {
1802 continue;
1803 }
1804 if (vpath_defined) {
1805 rule->command_line =
1806 vpath_translation(rule->command_line);
1807 }
1808 /* Echo command line, maybe. */
1809 if ((rule->command_line->hash.length > 0) &&
1810 !silent &&
1811 (!rule->silent || do_not_exec_rule) &&
1812 (report_dependencies_level == 0)) {
1813 (void) printf("%s\n", rule->command_line->string_mb);
1814 SEND_MTOOL_MSG(
1815 job_result_msg->appendOutput(AVO_STRDUP(rule->command_line->string_mb));
1816 );
1817 }
1818 if (rule->command_line->hash.length > 0) {
1819 SEND_MTOOL_MSG(
1820 (void) sprintf(mbstring,
1821 NOCATGETS("%s/make.stdout.%d.%d.XXXXXX"),
1822 tmpdir,
1823 getpid(),
1824 file_number++);
1825
1826 int tmp_fd = mkstemp(mbstring);
1827 if(tmp_fd) {
1828 (void) close(tmp_fd);
1829 }
1830
1831 stdout_file = strdup(mbstring);
1832 stderr_file = NULL;
1833 child_pid = pollResults(stdout_file,
1834 (char *)NULL,
1835 (char *)NULL);
1836 );
1837 /* Do assignment if command line prefixed with "=" */
1838 if (rule->assign) {
1839 result = build_ok;
1840 do_assign(rule->command_line, target);
1841 } else if (report_dependencies_level == 0) {
1842 /* Execute command line. */
1843 setvar_envvar();
1844 result = dosys(rule->command_line,
1845 (Boolean) rule->ignore_error,
1846 (Boolean) rule->make_refd,
1847 /* ds 98.04.23 bug #4085164. make should always show error messages */
1848 false,
1849 /* BOOLEAN(rule->silent &&
1850 rule->ignore_error), */
1851 (Boolean) rule->always_exec,
1852 target,
1853 send_mtool_msgs);
1854 check_state(temp_file_name);
1855 }
1856 SEND_MTOOL_MSG(
1857 append_job_result_msg(job_result_msg);
1858 if (child_pid > 0) {
1859 kill(child_pid, SIGUSR1);
1860 while (!((waitpid(child_pid, 0, 0) == -1)
1861 && (errno == ECHILD)));
1862 }
1863 child_pid = 0;
1864 (void) unlink(stdout_file);
1865 retmem_mb(stdout_file);
1866 stdout_file = NULL;
1867 );
1868 } else {
1869 result = build_ok;
1870 }
1871 if (result == build_failed) {
1872 if (silent || rule->silent) {
1873 (void) printf(catgets(catd, 1, 242, "The following command caused the error:\n%s\n"),
1874 rule->command_line->string_mb);
1875 SEND_MTOOL_MSG(
1876 job_result_msg->appendOutput(AVO_STRDUP(catgets(catd, 1, 243, "The following command caused the error:")));
1877 job_result_msg->appendOutput(AVO_STRDUP(rule->command_line->string_mb));
1878 );
1879 }
1880 if (!rule->ignore_error && !ignore_errors) {
1881 if (!continue_after_error) {
1882 SEND_MTOOL_MSG(
1883 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
1884 xdr_msg = (RWCollectable*)
1885 job_result_msg;
1886 xdr(&xdrs, xdr_msg);
1887 (void) fflush(mtool_msgs_fp);
1888 delete job_result_msg;
1889 );
1890 fatal(catgets(catd, 1, 244, "Command failed for target `%s'"),
1891 target->string_mb);
1892 }
1893 /*
1894 * Make sure a failing command is not
1895 * saved in .make.state.
1896 */
1897 line->body.line.command_used = NULL;
1898 break;
1899 } else {
1900 result = build_ok;
1901 }
1902 }
1903 }
1904 for (rule = command; rule != NULL; rule = cmd_tail) {
1905 cmd_tail = rule->next;
1906 free(rule);
1907 }
1908 command = NULL;
1909 SEND_MTOOL_MSG(
1910 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
1911 xdr_msg = (RWCollectable*) job_result_msg;
1912 xdr(&xdrs, xdr_msg);
1913 (void) fflush(mtool_msgs_fp);
1914
1915 delete job_result_msg;
1916 );
1917 if (temp_file_name != NULL) {
1918 free_name(temp_file_name);
1919 }
1920 temp_file_name = NULL;
1921
1922 Property spro = get_prop(sunpro_dependencies->prop, macro_prop);
1923 if(spro != NULL) {
1924 Name val = spro->body.macro.value;
1925 if(val != NULL) {
1926 free_name(val);
1927 spro->body.macro.value = NULL;
1928 }
1929 }
1930 spro = get_prop(sunpro_dependencies->prop, env_mem_prop);
1931 if(spro) {
1932 char *val = spro->body.env_mem.value;
1933 if(val != NULL) {
1934 /*
1935 * Do not return memory allocated for SUNPRO_DEPENDENCIES
1936 * It will be returned in setvar_daemon() in macro.cc
1937 */
1938 // retmem_mb(val);
1939 spro->body.env_mem.value = NULL;
1940 }
1941 }
1942
1943 return result;
1944 }
1945
1946
1947
1948 /*
1949 * vpath_translation(cmd)
1950 *
1951 * Translates one command line by
1952 * checking each word. If the word has an alias it is translated.
1953 *
1954 * Return value:
1955 * The translated command
1956 *
1957 * Parameters:
1958 * cmd Command to translate
1959 *
1960 * Global variables used:
1961 */
1962 Name
1963 vpath_translation(register Name cmd)
1964 {
1965 wchar_t buffer[STRING_BUFFER_LENGTH];
1966 String_rec new_cmd;
1967 wchar_t *p;
1968 wchar_t *start;
1969
1970 if (!vpath_defined || (cmd == NULL) || (cmd->hash.length == 0)) {
1971 return cmd;
1972 }
1973 INIT_STRING_FROM_STACK(new_cmd, buffer);
1974
1975 Wstring wcb(cmd);
1976 p = wcb.get_string();
1977
1978 while (*p != (int) nul_char) {
1979 while (iswspace(*p) && (*p != (int) nul_char)) {
1980 append_char(*p++, &new_cmd);
1981 }
1982 start = p;
1983 while (!iswspace(*p) && (*p != (int) nul_char)) {
1984 p++;
1985 }
1986 cmd = GETNAME(start, p - start);
1987 if (cmd->has_vpath_alias_prop) {
1988 cmd = get_prop(cmd->prop, vpath_alias_prop)->
1989 body.vpath_alias.alias;
1990 APPEND_NAME(cmd,
1991 &new_cmd,
1992 (int) cmd->hash.length);
1993 } else {
1994 append_string(start, &new_cmd, p - start);
1995 }
1996 }
1997 cmd = GETNAME(new_cmd.buffer.start, FIND_LENGTH);
1998 if (new_cmd.free_after_use) {
1999 retmem(new_cmd.buffer.start);
2000 }
2001 return cmd;
2002 }
2003
2004 /*
2005 * check_state(temp_file_name)
2006 *
2007 * Reads and checks the state changed by the previously executed command.
2008 *
2009 * Parameters:
2010 * temp_file_name The auto dependency temp file
2011 *
2012 * Global variables used:
2013 */
2014 void
2015 check_state(Name temp_file_name)
2016 {
2017 if (!keep_state) {
2018 return;
2019 }
2020
2021 /*
2022 * Then read the temp file that now might
2023 * contain dependency reports from utilities
2024 */
2025 read_dependency_file(temp_file_name);
2026
2027 /*
2028 * And reread .make.state if it
2029 * changed (the command ran recursive makes)
2030 */
2031 check_read_state_file();
2032 if (temp_file_name != NULL) {
2033 (void) unlink(temp_file_name->string_mb);
2034 }
2035 }
2036
2037 /*
2038 * read_dependency_file(filename)
2039 *
2040 * Read the temp file used for reporting dependencies to make
2041 *
2042 * Parameters:
2043 * filename The name of the file with the state info
2044 *
2045 * Global variables used:
2046 * makefile_type The type of makefile being read
2047 * read_trace_level Debug flag
2048 * temp_file_number The always increasing number for unique files
2049 * trace_reader Debug flag
2050 */
2051 static void
2052 read_dependency_file(register Name filename)
2053 {
2054 register Makefile_type save_makefile_type;
2055
2056 if (filename == NULL) {
2057 return;
2058 }
2059 filename->stat.time = file_no_time;
2060 if (exists(filename) > file_doesnt_exist) {
2061 save_makefile_type = makefile_type;
2062 makefile_type = reading_cpp_file;
2063 if (read_trace_level > 1) {
2064 trace_reader = true;
2065 }
2066 temp_file_number++;
2067 (void) read_simple_file(filename,
2068 false,
2069 false,
2070 false,
2071 false,
2072 false,
2073 false);
2074 trace_reader = false;
2075 makefile_type = save_makefile_type;
2076 }
2077 }
2078
2079 /*
2080 * check_read_state_file()
2081 *
2082 * Check if .make.state has changed
2083 * If it has we reread it
2084 *
2085 * Parameters:
2086 *
2087 * Global variables used:
2088 * make_state Make state file name
2089 * makefile_type Type of makefile being read
2090 * read_trace_level Debug flag
2091 * trace_reader Debug flag
2092 */
2093 static void
2094 check_read_state_file(void)
2095 {
2096 timestruc_t previous = make_state->stat.time;
2097 register Makefile_type save_makefile_type;
2098 register Property makefile;
2099
2100 make_state->stat.time = file_no_time;
2101 if ((exists(make_state) == file_doesnt_exist) ||
2102 (make_state->stat.time == previous)) {
2103 return;
2104 }
2105 save_makefile_type = makefile_type;
2106 makefile_type = rereading_statefile;
2107 /* Make sure we clear the old cached contents of .make.state */
2108 makefile = maybe_append_prop(make_state, makefile_prop);
2109 if (makefile->body.makefile.contents != NULL) {
2110 retmem(makefile->body.makefile.contents);
2111 makefile->body.makefile.contents = NULL;
2112 }
2113 if (read_trace_level > 1) {
2114 trace_reader = true;
2115 }
2116 temp_file_number++;
2117 (void) read_simple_file(make_state,
2118 false,
2119 false,
2120 false,
2121 false,
2122 false,
2123 true);
2124 trace_reader = false;
2125 makefile_type = save_makefile_type;
2126 }
2127
2128 /*
2129 * do_assign(line, target)
2130 *
2131 * Handles runtime assignments for command lines prefixed with "=".
2132 *
2133 * Parameters:
2134 * line The command that contains an assignment
2135 * target The Name of the target, used for error reports
2136 *
2137 * Global variables used:
2138 * assign_done Set to indicate doname needs to reprocess
2139 */
2140 static void
2141 do_assign(register Name line, register Name target)
2142 {
2143 Wstring wcb(line);
2144 register wchar_t *string = wcb.get_string();
2145 register wchar_t *equal;
2146 register Name name;
2147 register Boolean append = false;
2148
2149 /*
2150 * If any runtime assignments are done, doname() must reprocess all
2151 * targets in the future since the macro values used to build the
2152 * command lines for the targets might have changed.
2153 */
2154 assign_done = true;
2155 /* Skip white space. */
2156 while (iswspace(*string)) {
2157 string++;
2158 }
2159 equal = string;
2160 /* Find "+=" or "=". */
2161 while (!iswspace(*equal) &&
2162 (*equal != (int) plus_char) &&
2163 (*equal != (int) equal_char)) {
2164 equal++;
2165 }
2166 /* Internalize macro name. */
2167 name = GETNAME(string, equal - string);
2168 /* Skip over "+=" "=". */
2169 while (!((*equal == (int) nul_char) ||
2170 (*equal == (int) equal_char) ||
2171 (*equal == (int) plus_char))) {
2172 equal++;
2173 }
2174 switch (*equal) {
2175 case nul_char:
2176 fatal(catgets(catd, 1, 31, "= expected in rule `%s' for target `%s'"),
2177 line->string_mb,
2178 target->string_mb);
2179 case plus_char:
2180 append = true;
2181 equal++;
2182 break;
2183 }
2184 equal++;
2185 /* Skip over whitespace in front of value. */
2186 while (iswspace(*equal)) {
2187 equal++;
2188 }
2189 /* Enter new macro value. */
2190 enter_equal(name,
2191 GETNAME(equal, wcb.get_string() + line->hash.length - equal),
2192 append);
2193 }
2194
2195 /*
2196 * build_command_strings(target, line)
2197 *
2198 * Builds the command string to used when
2199 * building a target. If the string is different from the previous one
2200 * is_out_of_date is set.
2201 *
2202 * Parameters:
2203 * target Target to build commands for
2204 * line Where to stuff result
2205 *
2206 * Global variables used:
2207 * c_at The Name "@", used to set macro value
2208 * command_changed Set if command is different from old
2209 * debug_level Should we trace activities?
2210 * do_not_exec_rule Always echo when running -n
2211 * empty_name The Name "", used for empty rule
2212 * funny Semantics of characters
2213 * ignore_errors Used to init field for line
2214 * is_conditional Set to false befor evaling macro, checked
2215 * after expanding macros
2216 * keep_state Indicates that .KEEP_STATE is on
2217 * make_word_mentioned Set by macro eval, inits field for cmd
2218 * query The Name "?", used to set macro value
2219 * query_mentioned Set by macro eval, inits field for cmd
2220 * recursion_level Used for tracing
2221 * silent Used to init field for line
2222 */
2223 static void
2224 build_command_strings(Name target, register Property line)
2225 {
2226 String_rec command_line;
2227 register Cmd_line command_template = line->body.line.command_template;
2228 register Cmd_line *insert = &line->body.line.command_used;
2229 register Cmd_line used = *insert;
2230 wchar_t buffer[STRING_BUFFER_LENGTH];
2231 wchar_t *start;
2232 Name new_command_line;
2233 register Boolean new_command_longer = false;
2234 register Boolean ignore_all_command_dependency = true;
2235 Property member;
2236 static Name less_name;
2237 static Name percent_name;
2238 static Name star;
2239 Name tmp_name;
2240
2241 if (less_name == NULL) {
2242 MBSTOWCS(wcs_buffer, "<");
2243 less_name = GETNAME(wcs_buffer, FIND_LENGTH);
2244 MBSTOWCS(wcs_buffer, "%");
2245 percent_name = GETNAME(wcs_buffer, FIND_LENGTH);
2246 MBSTOWCS(wcs_buffer, "*");
2247 star = GETNAME(wcs_buffer, FIND_LENGTH);
2248 }
2249
2250 /* We have to check if a target depends on conditional macros */
2251 /* Targets that do must be reprocessed by doname() each time around */
2252 /* since the macro values used when building the target might have */
2253 /* changed */
2254 conditional_macro_used = false;
2255 /* If we are building a lib.a(member) target $@ should be bound */
2256 /* to lib.a */
2257 if (target->is_member &&
2258 ((member = get_prop(target->prop, member_prop)) != NULL)) {
2259 target = member->body.member.library;
2260 }
2261 /* If we are building a "::" help target $@ should be bound to */
2262 /* the real target name */
2263 /* A lib.a(member) target is never :: */
2264 if (target->has_target_prop) {
2265 target = get_prop(target->prop, target_prop)->
2266 body.target.target;
2267 }
2268 /* Bind the magic macros that make supplies */
2269 tmp_name = target;
2270 if(tmp_name != NULL) {
2271 if (tmp_name->has_vpath_alias_prop) {
2272 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2273 body.vpath_alias.alias;
2274 }
2275 }
2276 (void) SETVAR(c_at, tmp_name, false);
2277
2278 tmp_name = line->body.line.star;
2279 if(tmp_name != NULL) {
2280 if (tmp_name->has_vpath_alias_prop) {
2281 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2282 body.vpath_alias.alias;
2283 }
2284 }
2285 (void) SETVAR(star, tmp_name, false);
2286
2287 tmp_name = line->body.line.less;
2288 if(tmp_name != NULL) {
2289 if (tmp_name->has_vpath_alias_prop) {
2290 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2291 body.vpath_alias.alias;
2292 }
2293 }
2294 (void) SETVAR(less_name, tmp_name, false);
2295
2296 tmp_name = line->body.line.percent;
2297 if(tmp_name != NULL) {
2298 if (tmp_name->has_vpath_alias_prop) {
2299 tmp_name = get_prop(tmp_name->prop, vpath_alias_prop)->
2300 body.vpath_alias.alias;
2301 }
2302 }
2303 (void) SETVAR(percent_name, tmp_name, false);
2304
2305 /* $? is seldom used and it is expensive to build */
2306 /* so we store the list form and build the string on demand */
2307 Chain query_list = NULL;
2308 Chain *query_list_tail = &query_list;
2309
2310 for (Chain ch = line->body.line.query; ch != NULL; ch = ch->next) {
2311 *query_list_tail = ALLOC(Chain);
2312 (*query_list_tail)->name = ch->name;
2313 if ((*query_list_tail)->name->has_vpath_alias_prop) {
2314 (*query_list_tail)->name =
2315 get_prop((*query_list_tail)->name->prop,
2316 vpath_alias_prop)->body.vpath_alias.alias;
2317 }
2318 (*query_list_tail)->next = NULL;
2319 query_list_tail = &(*query_list_tail)->next;
2320 }
2321 (void) setvar_daemon(query,
2322 (Name) query_list,
2323 false,
2324 chain_daemon,
2325 false,
2326 debug_level);
2327
2328 /* build $^ */
2329 Chain hat_list = NULL;
2330 Chain *hat_list_tail = &hat_list;
2331
2332 for (Dependency dependency = line->body.line.dependencies;
2333 dependency != NULL;
2334 dependency = dependency->next) {
2335 /* skip automatic dependencies */
2336 if (!dependency->automatic) {
2337 if ((dependency->name != force) &&
2338 (dependency->stale == false)) {
2339 *hat_list_tail = ALLOC(Chain);
2340
2341 if (dependency->name->is_member &&
2342 (get_prop(dependency->name->prop, member_prop) != NULL)) {
2343 (*hat_list_tail)->name =
2344 get_prop(dependency->name->prop,
2345 member_prop)->body.member.member;
2346 } else {
2347 (*hat_list_tail)->name = dependency->name;
2348 }
2349
2350 if((*hat_list_tail)->name != NULL) {
2351 if ((*hat_list_tail)->name->has_vpath_alias_prop) {
2352 (*hat_list_tail)->name =
2353 get_prop((*hat_list_tail)->name->prop,
2354 vpath_alias_prop)->body.vpath_alias.alias;
2355 }
2356 }
2357
2358 (*hat_list_tail)->next = NULL;
2359 hat_list_tail = &(*hat_list_tail)->next;
2360 }
2361 }
2362 }
2363 (void) setvar_daemon(hat,
2364 (Name) hat_list,
2365 false,
2366 chain_daemon,
2367 false,
2368 debug_level);
2369
2370 /* We have two command sequences we need to handle */
2371 /* The old one that we probably read from .make.state */
2372 /* and the new one we are building that will replace the old one */
2373 /* Even when KEEP_STATE is not on we build a new command sequence and store */
2374 /* it in the line prop. This command sequence is then executed by */
2375 /* run_command(). If KEEP_STATE is on it is also later written to */
2376 /* .make.state. The routine replaces the old command line by line with the */
2377 /* new one trying to reuse Cmd_lines */
2378
2379 /* If there is no old command_used we have to start creating */
2380 /* Cmd_lines to keep the new cmd in */
2381 if (used == NULL) {
2382 new_command_longer = true;
2383 *insert = used = ALLOC(Cmd_line);
2384 used->next = NULL;
2385 used->command_line = NULL;
2386 insert = &used->next;
2387 }
2388 /* Run thru the template for the new command and build the expanded */
2389 /* new command lines */
2390 for (;
2391 command_template != NULL;
2392 command_template = command_template->next, insert = &used->next, used = *insert) {
2393 /* If there is no old command_used Cmd_line we need to */
2394 /* create one and say that cmd consistency failed */
2395 if (used == NULL) {
2396 new_command_longer = true;
2397 *insert = used = ALLOC(Cmd_line);
2398 used->next = NULL;
2399 used->command_line = empty_name;
2400 }
2401 /* Prepare the Cmd_line for the processing */
2402 /* The command line prefixes "@-=?" are stripped and that */
2403 /* information is saved in the Cmd_line */
2404 used->assign = false;
2405 used->ignore_error = ignore_errors;
2406 used->silent = silent;
2407 used->always_exec = false;
2408 /* Expand the macros in the command line */
2409 INIT_STRING_FROM_STACK(command_line, buffer);
2410 make_word_mentioned =
2411 query_mentioned =
2412 false;
2413 expand_value(command_template->command_line, &command_line, true);
2414 /* If the macro $(MAKE) is mentioned in the command */
2415 /* "make -n" runs actually execute the command */
2416 used->make_refd = make_word_mentioned;
2417 used->ignore_command_dependency = query_mentioned;
2418 /* Strip the prefixes */
2419 start = command_line.buffer.start;
2420 for (;
2421 iswspace(*start) ||
2422 (get_char_semantics_value(*start) & (int) command_prefix_sem);
2423 start++) {
2424 switch (*start) {
2425 case question_char:
2426 used->ignore_command_dependency = true;
2427 break;
2428 case exclam_char:
2429 used->ignore_command_dependency = false;
2430 break;
2431 case equal_char:
2432 used->assign = true;
2433 break;
2434 case hyphen_char:
2435 used->ignore_error = true;
2436 break;
2437 case at_char:
2438 if (!do_not_exec_rule) {
2439 used->silent = true;
2440 }
2441 break;
2442 case plus_char:
2443 if(posix) {
2444 used->always_exec = true;
2445 }
2446 break;
2447 }
2448 }
2449 /* If all command lines of the template are prefixed with "?"*/
2450 /* the VIRTUAL_ROOT is not used for cmd consistency checks */
2451 if (!used->ignore_command_dependency) {
2452 ignore_all_command_dependency = false;
2453 }
2454 /* Internalize the expanded and stripped command line */
2455 new_command_line = GETNAME(start, FIND_LENGTH);
2456 if ((used->command_line == NULL) &&
2457 (line->body.line.sccs_command)) {
2458 used->command_line = new_command_line;
2459 new_command_longer = false;
2460 }
2461 /* Compare it with the old one for command consistency */
2462 if (used->command_line != new_command_line) {
2463 Name vpath_translated = vpath_translation(new_command_line);
2464 if (keep_state &&
2465 !used->ignore_command_dependency && (vpath_translated != used->command_line)) {
2466 if (debug_level > 0) {
2467 if (used->command_line != NULL
2468 && *used->command_line->string_mb !=
2469 '\0') {
2470 (void) printf(catgets(catd, 1, 32, "%*sBuilding %s because new command \n\t%s\n%*sdifferent from old\n\t%s\n"),
2471 recursion_level,
2472 "",
2473 target->string_mb,
2474 vpath_translated->string_mb,
2475 recursion_level,
2476 "",
2477 used->
2478 command_line->
2479 string_mb);
2480 } else {
2481 (void) printf(catgets(catd, 1, 33, "%*sBuilding %s because new command \n\t%s\n%*sdifferent from empty old command\n"),
2482 recursion_level,
2483 "",
2484 target->string_mb,
2485 vpath_translated->string_mb,
2486 recursion_level,
2487 "");
2488 }
2489 }
2490 command_changed = true;
2491 line->body.line.is_out_of_date = true;
2492 }
2493 used->command_line = new_command_line;
2494 }
2495 if (command_line.free_after_use) {
2496 retmem(command_line.buffer.start);
2497 }
2498 }
2499 /* Check if the old command is longer than the new for */
2500 /* command consistency */
2501 if (used != NULL) {
2502 *insert = NULL;
2503 if (keep_state &&
2504 !ignore_all_command_dependency) {
2505 if (debug_level > 0) {
2506 (void) printf(catgets(catd, 1, 34, "%*sBuilding %s because new command shorter than old\n"),
2507 recursion_level,
2508 "",
2509 target->string_mb);
2510 }
2511 command_changed = true;
2512 line->body.line.is_out_of_date = true;
2513 }
2514 }
2515 /* Check if the new command is longer than the old command for */
2516 /* command consistency */
2517 if (new_command_longer &&
2518 !ignore_all_command_dependency &&
2519 keep_state) {
2520 if (debug_level > 0) {
2521 (void) printf(catgets(catd, 1, 35, "%*sBuilding %s because new command longer than old\n"),
2522 recursion_level,
2523 "",
2524 target->string_mb);
2525 }
2526 command_changed = true;
2527 line->body.line.is_out_of_date = true;
2528 }
2529 /* Unbind the magic macros */
2530 (void) SETVAR(c_at, (Name) NULL, false);
2531 (void) SETVAR(star, (Name) NULL, false);
2532 (void) SETVAR(less_name, (Name) NULL, false);
2533 (void) SETVAR(percent_name, (Name) NULL, false);
2534 (void) SETVAR(query, (Name) NULL, false);
2535 if (query_list != NULL) {
2536 delete_query_chain(query_list);
2537 }
2538 (void) SETVAR(hat, (Name) NULL, false);
2539 if (hat_list != NULL) {
2540 delete_query_chain(hat_list);
2541 }
2542
2543 if (conditional_macro_used) {
2544 target->conditional_macro_list = cond_macro_list;
2545 cond_macro_list = NULL;
2546 target->depends_on_conditional = true;
2547 }
2548 }
2549
2550 /*
2551 * touch_command(line, target, result)
2552 *
2553 * If this is an "make -t" run we do this.
2554 * We touch all targets in the target group ("foo + fie:") if any.
2555 *
2556 * Return value:
2557 * Indicates if the command failed or not
2558 *
2559 * Parameters:
2560 * line The command line to update
2561 * target The target we are touching
2562 * result Initial value for the result we return
2563 *
2564 * Global variables used:
2565 * do_not_exec_rule Indicates that -n is on
2566 * silent Do not echo commands
2567 */
2568 static Doname
2569 touch_command(register Property line, register Name target, Doname result)
2570 {
2571 Name name;
2572 register Chain target_group;
2573 String_rec touch_string;
2574 wchar_t buffer[MAXPATHLEN];
2575 Name touch_cmd;
2576 Cmd_line rule;
2577
2578
2579 SEND_MTOOL_MSG(
2580 if (!sent_rsrc_info_msg) {
2581 if (userName[0] == '\0') {
2582 avo_get_user(userName, NULL);
2583 }
2584 if (hostName[0] == '\0') {
2585 strcpy(hostName, avo_hostname());
2586 }
2587 send_rsrc_info_msg(1, hostName, userName);
2588 sent_rsrc_info_msg = 1;
2589 }
2590 send_job_start_msg(line);
2591 job_result_msg = new Avo_MToolJobResultMsg();
2592 );
2593 for (name = target, target_group = NULL; name != NULL;) {
2594 if (!name->is_member) {
2595 /*
2596 * Build a touch command that can be passed
2597 * to dosys(). If KEEP_STATE is on, "make -t"
2598 * will save the proper command, not the
2599 * "touch" in .make.state.
2600 */
2601 INIT_STRING_FROM_STACK(touch_string, buffer);
2602 MBSTOWCS(wcs_buffer, NOCATGETS("touch "));
2603 append_string(wcs_buffer, &touch_string, FIND_LENGTH);
2604 touch_cmd = name;
2605 if (name->has_vpath_alias_prop) {
2606 touch_cmd = get_prop(name->prop,
2607 vpath_alias_prop)->
2608 body.vpath_alias.alias;
2609 }
2610 APPEND_NAME(touch_cmd,
2611 &touch_string,
2612 FIND_LENGTH);
2613 touch_cmd = GETNAME(touch_string.buffer.start,
2614 FIND_LENGTH);
2615 if (touch_string.free_after_use) {
2616 retmem(touch_string.buffer.start);
2617 }
2618 if (!silent ||
2619 do_not_exec_rule &&
2620 (target_group == NULL)) {
2621 (void) printf("%s\n", touch_cmd->string_mb);
2622 SEND_MTOOL_MSG(
2623 job_result_msg->appendOutput(AVO_STRDUP(touch_cmd->string_mb));
2624 );
2625 }
2626 /* Run the touch command, or simulate it */
2627 if (!do_not_exec_rule) {
2628
2629 SEND_MTOOL_MSG(
2630 (void) sprintf(mbstring,
2631 NOCATGETS("%s/make.stdout.%d.%d.XXXXXX"),
2632 tmpdir,
2633 getpid(),
2634 file_number++);
2635
2636 int tmp_fd = mkstemp(mbstring);
2637 if(tmp_fd) {
2638 (void) close(tmp_fd);
2639 }
2640
2641 stdout_file = strdup(mbstring);
2642 stderr_file = NULL;
2643 child_pid = pollResults(stdout_file,
2644 (char *)NULL,
2645 (char *)NULL);
2646 );
2647
2648 result = dosys(touch_cmd,
2649 false,
2650 false,
2651 false,
2652 false,
2653 name,
2654 send_mtool_msgs);
2655
2656 SEND_MTOOL_MSG(
2657 append_job_result_msg(job_result_msg);
2658 if (child_pid > 0) {
2659 kill(child_pid, SIGUSR1);
2660 while (!((waitpid(child_pid, 0, 0) == -1)
2661 && (errno == ECHILD)));
2662 }
2663 child_pid = 0;
2664 (void) unlink(stdout_file);
2665 retmem_mb(stdout_file);
2666 stdout_file = NULL;
2667 );
2668
2669 } else {
2670 result = build_ok;
2671 }
2672 } else {
2673 result = build_ok;
2674 }
2675 if (target_group == NULL) {
2676 target_group = line->body.line.target_group;
2677 } else {
2678 target_group = target_group->next;
2679 }
2680 if (target_group != NULL) {
2681 name = target_group->name;
2682 } else {
2683 name = NULL;
2684 }
2685 }
2686 SEND_MTOOL_MSG(
2687 job_result_msg->setResult(job_msg_id, (result == build_ok) ? 0 : 1, DONE);
2688 xdr_msg = (RWCollectable*) job_result_msg;
2689 xdr(&xdrs, xdr_msg);
2690 (void) fflush(mtool_msgs_fp);
2691 delete job_result_msg;
2692 );
2693 return result;
2694 }
2695
2696 /*
2697 * update_target(line, result)
2698 *
2699 * updates the status of a target after executing its commands.
2700 *
2701 * Parameters:
2702 * line The command line block to update
2703 * result Indicates that build is OK so can update
2704 *
2705 * Global variables used:
2706 * do_not_exec_rule Indicates that -n is on
2707 * touch Fake the new timestamp if we are just touching
2708 */
2709 void
2710 update_target(Property line, Doname result)
2711 {
2712 Name target;
2713 Chain target_group;
2714 Property line2;
2715 timestruc_t old_stat_time;
2716 Property member;
2717
2718 /*
2719 * [tolik] Additional fix for bug 1063790. It was fixed
2720 * for serial make long ago, but DMake dumps core when
2721 * target is a symlink and sccs file is newer then target.
2722 * In this case, finish_children() calls update_target()
2723 * with line==NULL.
2724 */
2725 if(line == NULL) {
2726 /* XXX. Should we do anything here? */
2727 return;
2728 }
2729
2730 target = line->body.line.target;
2731
2732 if ((result == build_ok) && (line->body.line.command_used != NULL)) {
2733 if (do_not_exec_rule ||
2734 touch ||
2735 (target->is_member &&
2736 (line->body.line.command_template != NULL) &&
2737 (line->body.line.command_template->command_line->string_mb[0] == 0) &&
2738 (line->body.line.command_template->next == NULL))) {
2739 /* If we are simulating execution we need to fake a */
2740 /* new timestamp for the target we didnt build */
2741 target->stat.time = file_max_time;
2742 } else {
2743 /*
2744 * If we really built the target we read the new
2745 * timestamp.
2746 * Fix for bug #1110906: if .c file is newer than
2747 * the corresponding .o file which is in an archive
2748 * file, make will compile the .c file but it won't
2749 * update the object in the .a file.
2750 */
2751 old_stat_time = target->stat.time;
2752 target->stat.time = file_no_time;
2753 (void) exists(target);
2754 if ((target->is_member) &&
2755 (target->stat.time == old_stat_time)) {
2756 member = get_prop(target->prop, member_prop);
2757 if (member != NULL) {
2758 target->stat.time = member->body.member.library->stat.time;
2759 target->stat.time.tv_sec++;
2760 }
2761 }
2762 }
2763 /* If the target is part of a group we need to propagate the */
2764 /* result of the run to all members */
2765 for (target_group = line->body.line.target_group;
2766 target_group != NULL;
2767 target_group = target_group->next) {
2768 target_group->name->stat.time = target->stat.time;
2769 line2 = maybe_append_prop(target_group->name,
2770 line_prop);
2771 line2->body.line.command_used =
2772 line->body.line.command_used;
2773 line2->body.line.target = target_group->name;
2774 }
2775 }
2776 target->has_built = true;
2777 }
2778
2779 /*
2780 * sccs_get(target, command)
2781 *
2782 * Figures out if it possible to sccs get a file
2783 * and builds the command to do it if it is.
2784 *
2785 * Return value:
2786 * Indicates if sccs get failed or not
2787 *
2788 * Parameters:
2789 * target Target to get
2790 * command Where to deposit command to use
2791 *
2792 * Global variables used:
2793 * debug_level Should we trace activities?
2794 * recursion_level Used for tracing
2795 * sccs_get_rule The rule to used for sccs getting
2796 */
2797 static Doname
2798 sccs_get(register Name target, register Property *command)
2799 {
2800 register int result;
2801 char link[MAXPATHLEN];
2802 String_rec string;
2803 wchar_t name[MAXPATHLEN];
2804 register wchar_t *p;
2805 timestruc_t sccs_time;
2806 register Property line;
2807 int sym_link_depth = 0;
2808
2809 /* For sccs, we need to chase symlinks. */
2810 while (target->stat.is_sym_link) {
2811 if (sym_link_depth++ > 90) {
2812 fatal(catgets(catd, 1, 95, "Can't read symbolic link `%s': Number of symbolic links encountered during path name traversal exceeds 90."),
2813 target->string_mb);
2814 }
2815 /* Read the value of the link. */
2816 result = readlink_vroot(target->string_mb,
2817 link,
2818 sizeof(link),
2819 NULL,
2820 VROOT_DEFAULT);
2821 if (result == -1) {
2822 fatal(catgets(catd, 1, 36, "Can't read symbolic link `%s': %s"),
2823 target->string_mb, errmsg(errno));
2824 }
2825 link[result] = 0;
2826 /* Use the value to build the proper filename. */
2827 INIT_STRING_FROM_STACK(string, name);
2828
2829 Wstring wcb(target);
2830 if ((link[0] != slash_char) &&
2831 ((p = (wchar_t *) wsrchr(wcb.get_string(), slash_char)) != NULL)) {
2832 append_string(wcb.get_string(), &string, p - wcb.get_string() + 1);
2833 }
2834 append_string(link, &string, result);
2835 /* Replace the old name with the translated name. */
2836 target = normalize_name(string.buffer.start, string.text.p - string.buffer.start);
2837 (void) exists(target);
2838 if (string.free_after_use) {
2839 retmem(string.buffer.start);
2840 }
2841 }
2842
2843 /*
2844 * read_dir() also reads the ?/SCCS dir and saves information
2845 * about which files have SCSC/s. files.
2846 */
2847 if (target->stat.has_sccs == DONT_KNOW_SCCS) {
2848 read_directory_of_file(target);
2849 }
2850 switch (target->stat.has_sccs) {
2851 case DONT_KNOW_SCCS:
2852 /* We dont know by now there is no SCCS/s.* */
2853 target->stat.has_sccs = NO_SCCS;
2854 case NO_SCCS:
2855 /*
2856 * If there is no SCCS/s.* but the plain file exists,
2857 * we say things are OK.
2858 */
2859 if (target->stat.time > file_doesnt_exist) {
2860 return build_ok;
2861 }
2862 /* If we cant find the plain file, we give up. */
2863 return build_dont_know;
2864 case HAS_SCCS:
2865 /*
2866 * Pay dirt. We now need to figure out if the plain file
2867 * is out of date relative to the SCCS/s.* file.
2868 */
2869 sccs_time = exists(get_prop(target->prop,
2870 sccs_prop)->body.sccs.file);
2871 break;
2872 }
2873
2874 if ((!target->has_complained &&
2875 (sccs_time != file_doesnt_exist) &&
2876 (sccs_get_rule != NULL))) {
2877 /* only checking */
2878 if (command == NULL) {
2879 return build_ok;
2880 }
2881 /*
2882 * We provide a command line for the target. The line is a
2883 * "sccs get" command from default.mk.
2884 */
2885 line = maybe_append_prop(target, line_prop);
2886 *command = line;
2887 if (sccs_time > target->stat.time) {
2888 /*
2889 * And only if the plain file is out of date do we
2890 * request execution of the command.
2891 */
2892 line->body.line.is_out_of_date = true;
2893 if (debug_level > 0) {
2894 (void) printf(catgets(catd, 1, 37, "%*sSccs getting %s because s. file is younger than source file\n"),
2895 recursion_level,
2896 "",
2897 target->string_mb);
2898 }
2899 }
2900 line->body.line.sccs_command = true;
2901 line->body.line.command_template = sccs_get_rule;
2902 if(!svr4 && (!allrules_read || posix)) {
2903 if((target->prop) &&
2904 (target->prop->body.sccs.file) &&
2905 (target->prop->body.sccs.file->string_mb)) {
2906 if((strlen(target->prop->body.sccs.file->string_mb) ==
2907 strlen(target->string_mb) + 2) &&
2908 (target->prop->body.sccs.file->string_mb[0] == 's') &&
2909 (target->prop->body.sccs.file->string_mb[1] == '.')) {
2910
2911 line->body.line.command_template = get_posix_rule;
2912 }
2913 }
2914 }
2915 line->body.line.target = target;
2916 /*
2917 * Also make sure the rule is build with $* and $<
2918 * bound properly.
2919 */
2920 line->body.line.star = NULL;
2921 line->body.line.less = NULL;
2922 line->body.line.percent = NULL;
2923 return build_ok;
2924 }
2925 return build_dont_know;
2926 }
2927
2928 /*
2929 * read_directory_of_file(file)
2930 *
2931 * Reads the directory the specified file lives in.
2932 *
2933 * Parameters:
2934 * file The file we need to read dir for
2935 *
2936 * Global variables used:
2937 * dot The Name ".", used as the default dir
2938 */
2939 void
2940 read_directory_of_file(register Name file)
2941 {
2942
2943 Wstring file_string(file);
2944 wchar_t * wcb = file_string.get_string();
2945 wchar_t usr_include_buf[MAXPATHLEN];
2946 wchar_t usr_include_sys_buf[MAXPATHLEN];
2947
2948 register Name directory = dot;
2949 register wchar_t *p = (wchar_t *) wsrchr(wcb,
2950 (int) slash_char);
2951 register int length = p - wcb;
2952 static Name usr_include;
2953 static Name usr_include_sys;
2954
2955 if (usr_include == NULL) {
2956 MBSTOWCS(usr_include_buf, NOCATGETS("/usr/include"));
2957 usr_include = GETNAME(usr_include_buf, FIND_LENGTH);
2958 MBSTOWCS(usr_include_sys_buf, NOCATGETS("/usr/include/sys"));
2959 usr_include_sys = GETNAME(usr_include_sys_buf, FIND_LENGTH);
2960 }
2961
2962 /*
2963 * If the filename contains a "/" we have to extract the path
2964 * Else the path defaults to ".".
2965 */
2966 if (p != NULL) {
2967 /*
2968 * Check some popular directories first to possibly
2969 * save time. Compare string length first to gain speed.
2970 */
2971 if ((usr_include->hash.length == length) &&
2972 IS_WEQUALN(usr_include_buf,
2973 wcb,
2974 length)) {
2975 directory = usr_include;
2976 } else if ((usr_include_sys->hash.length == length) &&
2977 IS_WEQUALN(usr_include_sys_buf,
2978 wcb,
2979 length)) {
2980 directory = usr_include_sys;
2981 } else {
2982 directory = GETNAME(wcb, length);
2983 }
2984 }
2985 (void) read_dir(directory,
2986 (wchar_t *) NULL,
2987 (Property) NULL,
2988 (wchar_t *) NULL);
2989 }
2990
2991 /*
2992 * add_pattern_conditionals(target)
2993 *
2994 * Scan the list of conditionals defined for pattern targets and add any
2995 * that match this target to its list of conditionals.
2996 *
2997 * Parameters:
2998 * target The target we should add conditionals for
2999 *
3000 * Global variables used:
3001 * conditionals The list of pattern conditionals
3002 */
3003 static void
3004 add_pattern_conditionals(register Name target)
3005 {
3006 register Property conditional;
3007 Property new_prop;
3008 Property *previous;
3009 Name_rec dummy;
3010 wchar_t *pattern;
3011 wchar_t *percent;
3012 int length;
3013
3014 Wstring wcb(target);
3015 Wstring wcb1;
3016
3017 for (conditional = get_prop(conditionals->prop, conditional_prop);
3018 conditional != NULL;
3019 conditional = get_prop(conditional->next, conditional_prop)) {
3020 wcb1.init(conditional->body.conditional.target);
3021 pattern = wcb1.get_string();
3022 if (pattern[1] != 0) {
3023 percent = (wchar_t *) wschr(pattern, (int) percent_char);
3024 if (!wcb.equaln(pattern, percent-pattern) ||
3025 !IS_WEQUAL(wcb.get_string(wcb.length()-wslen(percent+1)), percent+1)) {
3026 continue;
3027 }
3028 }
3029 for (previous = &target->prop;
3030 *previous != NULL;
3031 previous = &(*previous)->next) {
3032 if (((*previous)->type == conditional_prop) &&
3033 ((*previous)->body.conditional.sequence >
3034 conditional->body.conditional.sequence)) {
3035 break;
3036 }
3037 }
3038 if (*previous == NULL) {
3039 new_prop = append_prop(target, conditional_prop);
3040 } else {
3041 dummy.prop = NULL;
3042 new_prop = append_prop(&dummy, conditional_prop);
3043 new_prop->next = *previous;
3044 *previous = new_prop;
3045 }
3046 target->conditional_cnt++;
3047 new_prop->body.conditional = conditional->body.conditional;
3048 }
3049 }
3050
3051 /*
3052 * set_locals(target, old_locals)
3053 *
3054 * Sets any conditional macros for the target.
3055 * Each target carries a possibly empty set of conditional properties.
3056 *
3057 * Parameters:
3058 * target The target to set conditional macros for
3059 * old_locals Space to store old values in
3060 *
3061 * Global variables used:
3062 * debug_level Should we trace activity?
3063 * is_conditional We need to preserve this value
3064 * recursion_level Used for tracing
3065 */
3066 void
3067 set_locals(register Name target, register Property old_locals)
3068 {
3069 register Property conditional;
3070 register int i;
3071 register Boolean saved_conditional_macro_used;
3072 Chain cond_name;
3073 Chain cond_chain;
3074
3075 if (target->dont_activate_cond_values) {
3076 return;
3077 }
3078
3079 saved_conditional_macro_used = conditional_macro_used;
3080
3081 /* Scan the list of conditional properties and apply each one */
3082 for (conditional = get_prop(target->prop, conditional_prop), i = 0;
3083 conditional != NULL;
3084 conditional = get_prop(conditional->next, conditional_prop),
3085 i++) {
3086 /* Save the old value */
3087 old_locals[i].body.macro =
3088 maybe_append_prop(conditional->body.conditional.name,
3089 macro_prop)->body.macro;
3090 if (debug_level > 1) {
3091 (void) printf(catgets(catd, 1, 38, "%*sActivating conditional value: "),
3092 recursion_level,
3093 "");
3094 }
3095 /* Set the conditional value. Macros are expanded when the */
3096 /* macro is refd as usual */
3097 if ((conditional->body.conditional.name != virtual_root) ||
3098 (conditional->body.conditional.value != virtual_root)) {
3099 (void) SETVAR(conditional->body.conditional.name,
3100 conditional->body.conditional.value,
3101 (Boolean) conditional->body.conditional.append);
3102 }
3103 cond_name = ALLOC(Chain);
3104 cond_name->name = conditional->body.conditional.name;
3105 }
3106 /* Put this target on the front of the chain of conditional targets */
3107 cond_chain = ALLOC(Chain);
3108 cond_chain->name = target;
3109 cond_chain->next = conditional_targets;
3110 conditional_targets = cond_chain;
3111 conditional_macro_used = saved_conditional_macro_used;
3112 }
3113
3114 /*
3115 * reset_locals(target, old_locals, conditional, index)
3116 *
3117 * Removes any conditional macros for the target.
3118 *
3119 * Parameters:
3120 * target The target we are retoring values for
3121 * old_locals The values to restore
3122 * conditional The first conditional block for the target
3123 * index into the old_locals vector
3124 * Global variables used:
3125 * debug_level Should we trace activities?
3126 * recursion_level Used for tracing
3127 */
3128 void
3129 reset_locals(register Name target, register Property old_locals, register Property conditional, register int index)
3130 {
3131 register Property this_conditional;
3132 Chain cond_chain;
3133
3134 if (target->dont_activate_cond_values) {
3135 return;
3136 }
3137
3138 /* Scan the list of conditional properties and restore the old value */
3139 /* to each one Reverse the order relative to when we assigned macros */
3140 this_conditional = get_prop(conditional->next, conditional_prop);
3141 if (this_conditional != NULL) {
3142 reset_locals(target, old_locals, this_conditional, index+1);
3143 } else {
3144 /* Remove conditional target from chain */
3145 if (conditional_targets == NULL ||
3146 conditional_targets->name != target) {
3147 warning(catgets(catd, 1, 39, "Internal error: reset target not at head of condtional_targets chain"));
3148 } else {
3149 cond_chain = conditional_targets->next;
3150 retmem_mb((caddr_t) conditional_targets);
3151 conditional_targets = cond_chain;
3152 }
3153 }
3154 get_prop(conditional->body.conditional.name->prop,
3155 macro_prop)->body.macro = old_locals[index].body.macro;
3156 if (conditional->body.conditional.name == virtual_root) {
3157 (void) SETVAR(virtual_root, getvar(virtual_root), false);
3158 }
3159 if (debug_level > 1) {
3160 if (old_locals[index].body.macro.value != NULL) {
3161 (void) printf(catgets(catd, 1, 40, "%*sdeactivating conditional value: %s= %s\n"),
3162 recursion_level,
3163 "",
3164 conditional->body.conditional.name->
3165 string_mb,
3166 old_locals[index].body.macro.value->
3167 string_mb);
3168 } else {
3169 (void) printf(catgets(catd, 1, 41, "%*sdeactivating conditional value: %s =\n"),
3170 recursion_level,
3171 "",
3172 conditional->body.conditional.name->
3173 string_mb);
3174 }
3175 }
3176 }
3177
3178 /*
3179 * check_auto_dependencies(target, auto_count, automatics)
3180 *
3181 * Returns true if the target now has a dependency
3182 * it didn't previously have (saved on automatics).
3183 *
3184 * Return value:
3185 * true if new dependency found
3186 *
3187 * Parameters:
3188 * target Target we check
3189 * auto_count Number of old automatic vars
3190 * automatics Saved old automatics
3191 *
3192 * Global variables used:
3193 * keep_state Indicates that .KEEP_STATE is on
3194 */
3195 Boolean
3196 check_auto_dependencies(Name target, int auto_count, Name *automatics)
3197 {
3198 Name *p;
3199 int n;
3200 Property line;
3201 Dependency dependency;
3202
3203 if (keep_state) {
3204 if ((line = get_prop(target->prop, line_prop)) == NULL) {
3205 return false;
3206 }
3207 /* Go thru new list of automatic depes */
3208 for (dependency = line->body.line.dependencies;
3209 dependency != NULL;
3210 dependency = dependency->next) {
3211 /* And make sure that each one existed before we */
3212 /* built the target */
3213 if (dependency->automatic && !dependency->stale) {
3214 for (n = auto_count, p = automatics;
3215 n > 0;
3216 n--) {
3217 if (*p++ == dependency->name) {
3218 /* If we can find it on the */
3219 /* saved list of autos we */
3220 /* are OK */
3221 goto not_new;
3222 }
3223 }
3224 /* But if we scan over the old list */
3225 /* of auto. without finding it it is */
3226 /* new and we must check it */
3227 return true;
3228 }
3229 not_new:;
3230 }
3231 return false;
3232 } else {
3233 return false;
3234 }
3235 }
3236
3237
3238 // Recursively delete each of the Chain struct on the chain.
3239
3240 static void
3241 delete_query_chain(Chain ch)
3242 {
3243 if (ch == NULL) {
3244 return;
3245 } else {
3246 delete_query_chain(ch->next);
3247 retmem_mb((char *) ch);
3248 }
3249 }
3250
3251 Doname
3252 target_can_be_built(register Name target) {
3253 Doname result = build_dont_know;
3254 Name true_target = target;
3255 Property line;
3256
3257 if (target == wait_name) {
3258 return(build_ok);
3259 }
3260 /*
3261 * If the target is a constructed one for a "::" target,
3262 * we need to consider that.
3263 */
3264 if (target->has_target_prop) {
3265 true_target = get_prop(target->prop,
3266 target_prop)->body.target.target;
3267 }
3268
3269 (void) exists(true_target);
3270
3271 if (true_target->state == build_running) {
3272 return(build_running);
3273 }
3274 if (true_target->stat.time != file_doesnt_exist) {
3275 result = build_ok;
3276 }
3277
3278 /* get line property for the target */
3279 line = get_prop(true_target->prop, line_prop);
3280
3281 /* first check for explicit rule */
3282 if (line != NULL && line->body.line.command_template != NULL) {
3283 result = build_ok;
3284 }
3285 /* try to find pattern rule */
3286 if (result == build_dont_know) {
3287 result = find_percent_rule(target, NULL, false);
3288 }
3289
3290 /* try to find double suffix rule */
3291 if (result == build_dont_know) {
3292 if (target->is_member) {
3293 Property member = get_prop(target->prop, member_prop);
3294 if (member != NULL && member->body.member.member != NULL) {
3295 result = find_ar_suffix_rule(target, member->body.member.member, NULL, false);
3296 } else {
3297 result = find_double_suffix_rule(target, NULL, false);
3298 }
3299 } else {
3300 result = find_double_suffix_rule(target, NULL, false);
3301 }
3302 }
3303
3304 /* try to find suffix rule */
3305 if ((result == build_dont_know) && second_pass) {
3306 result = find_suffix_rule(target, target, empty_name, NULL, false);
3307 }
3308
3309 /* check for sccs */
3310 if (result == build_dont_know) {
3311 result = sccs_get(target, NULL);
3312 }
3313
3314 /* try to find dyn target */
3315 if (result == build_dont_know) {
3316 Name dtarg = find_dyntarget(target);
3317 if (dtarg != NULL) {
3318 result = target_can_be_built(dtarg);
3319 }
3320 }
3321
3322 /* check whether target was mentioned in makefile */
3323 if (result == build_dont_know) {
3324 if (target->colons != no_colon) {
3325 result = build_ok;
3326 }
3327 }
3328
3329 /* result */
3330 return result;
3331 }