xref: /dragonfly/usr.sbin/config/mkmakefile.c (revision 2cd2d2b5)
1 /*
2  * Copyright (c) 1993, 19801990
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * @(#)mkmakefile.c	8.1 (Berkeley) 6/6/93
34  * $FreeBSD: src/usr.sbin/config/mkmakefile.c,v 1.51.2.3 2001/01/23 00:09:32 peter Exp $
35  * $DragonFly: src/usr.sbin/config/mkmakefile.c,v 1.12 2004/08/30 19:27:21 eirikn Exp $
36  */
37 
38 /*
39  * Build the makefile for the system, from
40  * the information in the 'files' files and the
41  * additional files for the machine being compiled to.
42  */
43 
44 #include <ctype.h>
45 #include <err.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <sys/param.h>
49 #include "y.tab.h"
50 #include "config.h"
51 #include "configvers.h"
52 
53 #define next_word(fp, wd)						\
54 	{								\
55 		char *word;						\
56 									\
57 		word = get_word(fp);					\
58 		if (word == (char *)EOF)				\
59 			return;						\
60 		else							\
61 			wd = word;					\
62 	}
63 #define next_quoted_word(fp, wd)					\
64 	{								\
65 		char *word;						\
66 									\
67 		word = get_quoted_word(fp);				\
68 		if (word == (char *)EOF)				\
69 			return;						\
70 		else							\
71 			wd = word;					\
72 	}
73 
74 static struct file_list *fcur;
75 
76 static char *tail(char *);
77 static void do_clean(FILE *);
78 static void do_rules(FILE *);
79 static void do_sfiles(FILE *);
80 static void do_mfiles(FILE *);
81 static void do_cfiles(FILE *);
82 static void do_objs(FILE *);
83 static void do_before_depend(FILE *);
84 static int opteq(char *, char *);
85 static void read_files(void);
86 
87 /*
88  * Lookup a file, by name.
89  */
90 static struct file_list *
91 fl_lookup(char *file)
92 {
93 	struct file_list *fp;
94 
95 	for (fp = ftab; fp != NULL; fp = fp->f_next) {
96 		if (!strcmp(fp->f_fn, file))
97 			return(fp);
98 	}
99 	return(0);
100 }
101 
102 /*
103  * Lookup a file, by final component name.
104  */
105 static struct file_list *
106 fltail_lookup(char *file)
107 {
108 	struct file_list *fp;
109 
110 	for (fp = ftab; fp != NULL; fp = fp->f_next) {
111 		if (!strcmp(tail(fp->f_fn), tail(file)))
112 			return(fp);
113 	}
114 	return(0);
115 }
116 
117 /*
118  * Make a new file list entry
119  */
120 static struct file_list *
121 new_fent(void)
122 {
123 	struct file_list *fp;
124 
125 	fp = malloc(sizeof(*fp));
126 	bzero(fp, sizeof(*fp));
127 	if (fcur == NULL)
128 		fcur = ftab = fp;
129 	else
130 		fcur->f_next = fp;
131 	fcur = fp;
132 	return(fp);
133 }
134 
135 /*
136  * Build the makefile from the skeleton
137  */
138 void
139 makefile(void)
140 {
141 	FILE *ifp, *ofp;
142 	char line[BUFSIZ];
143 	struct opt *op;
144 	int versreq;
145 
146 	read_files();
147 	snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
148 	ifp = fopen(line, "r");
149 	if (ifp == NULL) {
150 		snprintf(line, sizeof(line), "Makefile.%s", machinename);
151 		ifp = fopen(line, "r");
152 	}
153 	if (ifp == NULL)
154 		err(1, "%s", line);
155 	ofp = fopen(path("Makefile.new"), "w");
156 	if (ofp == NULL)
157 		err(1, "%s", path("Makefile.new"));
158 	fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident));
159 	fprintf(ofp, "IDENT=");
160 	if (profiling)
161 		fprintf(ofp, " -DGPROF");
162 
163 	if (cputype == 0) {
164 		printf("cpu type must be specified\n");
165 		exit(1);
166 	}
167 	fprintf(ofp, "\n");
168 	for (op = mkopt; op != NULL; op = op->op_next)
169 		fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
170 	if (debugging)
171 		fprintf(ofp, "DEBUG=-g\n");
172 	if (profiling) {
173 		fprintf(ofp, "PROF=-pg\n");
174 		fprintf(ofp, "PROFLEVEL=%d\n", profiling);
175 	}
176 	if (*srcdir != '\0')
177 		fprintf(ofp,"S=%s\n", srcdir);
178 	while (fgets(line, BUFSIZ, ifp) != 0) {
179 		if (*line != '%') {
180 			fprintf(ofp, "%s", line);
181 			continue;
182 		}
183 		if (!strcmp(line, "%BEFORE_DEPEND\n"))
184 			do_before_depend(ofp);
185 		else if (!strcmp(line, "%OBJS\n"))
186 			do_objs(ofp);
187 		else if (!strcmp(line, "%MFILES\n"))
188 			do_mfiles(ofp);
189 		else if (!strcmp(line, "%CFILES\n"))
190 			do_cfiles(ofp);
191 		else if (!strcmp(line, "%SFILES\n"))
192 			do_sfiles(ofp);
193 		else if (!strcmp(line, "%RULES\n"))
194 			do_rules(ofp);
195 		else if (!strcmp(line, "%CLEAN\n"))
196 			do_clean(ofp);
197 		else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
198 			versreq = atoi(line + sizeof("%VERSREQ=") - 1);
199 			if (versreq != CONFIGVERS) {
200 				fprintf(stderr, "ERROR: version of config(8) does not match kernel!\n");
201 				fprintf(stderr, "config version = %d, ", CONFIGVERS);
202 				fprintf(stderr, "version required = %d\n\n", versreq);
203 				fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
204 				fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
205 				fprintf(stderr, "before trying this again.\n\n");
206 				fprintf(stderr, "If running the new config fails check your config\n");
207 				fprintf(stderr, "file against the GENERIC or LINT config files for\n");
208 				fprintf(stderr, "changes in config syntax, or option/device naming\n");
209 				fprintf(stderr, "conventions\n\n");
210 				exit(1);
211 			}
212 		} else
213 			fprintf(stderr,
214 			    "Unknown %% construct in generic makefile: %s",
215 			    line);
216 	}
217 	fclose(ifp);
218 	fclose(ofp);
219 	moveifchanged(path("Makefile.new"), path("Makefile"));
220 }
221 
222 /*
223  * Read in the information about files used in making the system.
224  * Store it in the ftab linked list.
225  */
226 static void
227 read_files(void)
228 {
229 	FILE *fp;
230 	struct file_list *tp, *pf;
231 	struct device *dp;
232 	struct device *save_dp;
233 	struct opt *op;
234 	char *wd, *this, *needs, *special, *depends, *clean, *warn;
235 	char fname[MAXPATHLEN];
236 	int nreqs, first = 1, configdep, isdup, std, filetype,
237 	    imp_rule, no_obj, before_depend, mandatory;
238 
239 	ftab = 0;
240 	save_dp = NULL;
241 	if (ident == NULL) {
242 		printf("no ident line specified\n");
243 		exit(1);
244 	}
245 	snprintf(fname, sizeof(fname), "../../conf/files");
246 openit:
247 	fp = fopen(fname, "r");
248 	if (fp == NULL)
249 		err(1, "%s", fname);
250 next:
251 	/*
252 	 * filename    [ standard | mandatory | optional ] [ config-dependent ]
253 	 *	[ dev* | profiling-routine ] [ no-obj ]
254 	 *	[ compile-with "compile rule" [no-implicit-rule] ]
255 	 *      [ dependency "dependency-list"] [ before-depend ]
256 	 *	[ clean "file-list"] [ warning "text warning" ]
257 	 */
258 	wd = get_word(fp);
259 	if (wd == (char *)EOF) {
260 		fclose(fp);
261 		if (first == 1) {
262 			first++;
263 			snprintf(fname, sizeof(fname),
264 			    "../../conf/files.%s", machinename);
265 			fp = fopen(fname, "r");
266 			if (fp != NULL)
267 				goto next;
268 			snprintf(fname, sizeof(fname),
269 			    "files.%s", machinename);
270 			goto openit;
271 		}
272 		if (first == 2) {
273 			first++;
274 			snprintf(fname, sizeof(fname),
275 			    "files.%s", raisestr(ident));
276 			fp = fopen(fname, "r");
277 			if (fp != NULL)
278 				goto next;
279 		}
280 		return;
281 	}
282 	if (wd == 0)
283 		goto next;
284 	if (wd[0] == '#')
285 	{
286 		while (((wd = get_word(fp)) != (char *)EOF) && wd)
287 			;
288 		goto next;
289 	}
290 	this = strdup(wd);
291 	next_word(fp, wd);
292 	if (wd == 0) {
293 		printf("%s: No type for %s.\n",
294 		    fname, this);
295 		exit(1);
296 	}
297 	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
298 		isdup = 1;
299 	else
300 		isdup = 0;
301 	tp = 0;
302 	if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
303 		if (tp->f_type != INVISIBLE || tp->f_flags)
304 			printf("%s: Local file %s overrides %s.\n",
305 			    fname, this, tp->f_fn);
306 		else
307 			printf("%s: Local file %s could override %s"
308 			    " with a different kernel configuration.\n",
309 			    fname, this, tp->f_fn);
310 	}
311 	nreqs = 0;
312 	special = NULL;
313 	depends = NULL;
314 	clean = NULL;
315 	warn = NULL;
316 	configdep = 0;
317 	needs = NULL;
318 	std = mandatory = 0;
319 	imp_rule = 0;
320 	no_obj = 0;
321 	before_depend = 0;
322 	filetype = NORMAL;
323 	if (!strcmp(wd, "standard"))
324 		std = 1;
325 	/*
326 	 * If an entry is marked "mandatory", config will abort if it's
327 	 * not called by a configuration line in the config file.  Apart
328 	 * from this, the device is handled like one marked "optional".
329 	 */
330 	else if (!strcmp(wd, "mandatory"))
331 		mandatory = 1;
332 	else if (strcmp(wd, "optional")) {
333 		printf("%s: %s must be optional, mandatory or standard\n",
334 		       fname, this);
335 		printf("Your version of config(8) is out of sync with your kernel source.\n");
336 		exit(1);
337 	}
338 nextparam:
339 	next_word(fp, wd);
340 	if (wd == NULL)
341 		goto doneparam;
342 	if (!strcmp(wd, "config-dependent")) {
343 		configdep++;
344 		goto nextparam;
345 	}
346 	if (!strcmp(wd, "no-obj")) {
347 		no_obj++;
348 		goto nextparam;
349 	}
350 	if (!strcmp(wd, "no-implicit-rule")) {
351 		if (special == NULL) {
352 			printf("%s: alternate rule required when "
353 			       "\"no-implicit-rule\" is specified.\n",
354 			       fname);
355 		}
356 		imp_rule++;
357 		goto nextparam;
358 	}
359 	if (!strcmp(wd, "before-depend")) {
360 		before_depend++;
361 		goto nextparam;
362 	}
363 	if (!strcmp(wd, "dependency")) {
364 		next_quoted_word(fp, wd);
365 		if (wd == NULL) {
366 			printf("%s: %s missing compile command string.\n",
367 			       fname, this);
368 			exit(1);
369 		}
370 		depends = strdup(wd);
371 		goto nextparam;
372 	}
373 	if (!strcmp(wd, "clean")) {
374 		next_quoted_word(fp, wd);
375 		if (wd == NULL) {
376 			printf("%s: %s missing clean file list.\n",
377 			       fname, this);
378 			exit(1);
379 		}
380 		clean = strdup(wd);
381 		goto nextparam;
382 	}
383 	if (!strcmp(wd, "compile-with")) {
384 		next_quoted_word(fp, wd);
385 		if (wd == NULL) {
386 			printf("%s: %s missing compile command string.\n",
387 			       fname, this);
388 			exit(1);
389 		}
390 		special = strdup(wd);
391 		goto nextparam;
392 	}
393 	if (!strcmp(wd, "warning")) {
394 		next_quoted_word(fp, wd);
395 		if (wd == NULL) {
396 			printf("%s: %s missing warning text string.\n",
397 				fname, this);
398 			exit(1);
399 		}
400 		warn = strdup(wd);
401 		goto nextparam;
402 	}
403 	nreqs++;
404 	if (!strcmp(wd, "local")) {
405 		filetype = LOCAL;
406 		goto nextparam;
407 	}
408 	if (!strcmp(wd, "no-depend")) {
409 		filetype = NODEPEND;
410 		goto nextparam;
411 	}
412 	if (!strcmp(wd, "device-driver")) {
413 		printf("%s: `device-driver' flag obsolete.\n", fname);
414 		exit(1);
415 	}
416 	if (!strcmp(wd, "profiling-routine")) {
417 		filetype = PROFILING;
418 		goto nextparam;
419 	}
420 	if (needs == 0 && nreqs == 1)
421 		needs = strdup(wd);
422 	if (isdup)
423 		goto invis;
424 	for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
425 		if (!strcmp(dp->d_name, wd)) {
426 			if (std && dp->d_type == PSEUDO_DEVICE &&
427 			    dp->d_count <= 0)
428 				dp->d_count = 1;
429 			goto nextparam;
430 		}
431 	if (mandatory) {
432 		printf("%s: mandatory device \"%s\" not found\n",
433 		       fname, wd);
434 		exit(1);
435 	}
436 	if (std) {
437 		dp = malloc(sizeof(*dp));
438 		bzero(dp, sizeof(*dp));
439 		init_dev(dp);
440 		dp->d_name = strdup(wd);
441 		dp->d_type = PSEUDO_DEVICE;
442 		dp->d_count = 1;
443 		save_dp->d_next = dp;
444 		goto nextparam;
445 	}
446 	for (op = opt; op != NULL; op = op->op_next)
447 		if (op->op_value == 0 && opteq(op->op_name, wd)) {
448 			if (nreqs == 1) {
449 				free(needs);
450 				needs = NULL;
451 			}
452 			goto nextparam;
453 		}
454 invis:
455 	while ((wd = get_word(fp)) != 0)
456 		;
457 	if (tp == NULL)
458 		tp = new_fent();
459 	tp->f_fn = this;
460 	tp->f_type = INVISIBLE;
461 	tp->f_needs = needs;
462 	tp->f_flags = isdup;
463 	tp->f_special = special;
464 	tp->f_depends = depends;
465 	tp->f_clean = clean;
466 	tp->f_warn = warn;
467 	goto next;
468 
469 doneparam:
470 	if (std == 0 && nreqs == 0) {
471 		printf("%s: what is %s optional on?\n",
472 		    fname, this);
473 		exit(1);
474 	}
475 
476 	if (wd != NULL) {
477 		printf("%s: syntax error describing %s\n",
478 		    fname, this);
479 		exit(1);
480 	}
481 	if (filetype == PROFILING && profiling == 0)
482 		goto next;
483 	if (tp == NULL)
484 		tp = new_fent();
485 	tp->f_fn = this;
486 	tp->f_type = filetype;
487 	tp->f_flags = 0;
488 	if (configdep)
489 		tp->f_flags |= CONFIGDEP;
490 	if (imp_rule)
491 		tp->f_flags |= NO_IMPLCT_RULE;
492 	if (no_obj)
493 		tp->f_flags |= NO_OBJ;
494 	if (before_depend)
495 		tp->f_flags |= BEFORE_DEPEND;
496 	if (imp_rule)
497 		tp->f_flags |= NO_IMPLCT_RULE;
498 	if (no_obj)
499 		tp->f_flags |= NO_OBJ;
500 	tp->f_needs = needs;
501 	tp->f_special = special;
502 	tp->f_depends = depends;
503 	tp->f_clean = clean;
504 	tp->f_warn = warn;
505 	if (pf && pf->f_type == INVISIBLE)
506 		pf->f_flags = 1;		/* mark as duplicate */
507 	goto next;
508 }
509 
510 static int
511 opteq(char *cp, char *dp)
512 {
513 	char c, d;
514 
515 	for (;; cp++, dp++) {
516 		if (*cp != *dp) {
517 			c = isupper(*cp) ? tolower(*cp) : *cp;
518 			d = isupper(*dp) ? tolower(*dp) : *dp;
519 			if (c != d)
520 				return(0);
521 		}
522 		if (*cp == 0)
523 			return(1);
524 	}
525 }
526 
527 static void
528 do_before_depend(FILE *fp)
529 {
530 	struct file_list *tp;
531 	int lpos, len;
532 
533 	fputs("BEFORE_DEPEND=", fp);
534 	lpos = 15;
535 	for (tp = ftab; tp != NULL; tp = tp->f_next)
536 		if (tp->f_flags & BEFORE_DEPEND) {
537 			len = strlen(tp->f_fn);
538 			if ((len = 3 + len) + lpos > 72) {
539 				lpos = 8;
540 				fputs("\\\n\t", fp);
541 			}
542 			if (tp->f_flags & NO_IMPLCT_RULE)
543 				fprintf(fp, "%s ", tp->f_fn);
544 			else
545 				fprintf(fp, "$S/%s ", tp->f_fn);
546 			lpos += len + 1;
547 		}
548 	if (lpos != 8)
549 		putc('\n', fp);
550 }
551 
552 static void
553 do_objs(FILE *fp)
554 {
555 	struct file_list *tp;
556 	int lpos, len;
557 	char *cp, och, *sp;
558 
559 	fprintf(fp, "OBJS=");
560 	lpos = 6;
561 	for (tp = ftab; tp != NULL; tp = tp->f_next) {
562 		if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
563 			continue;
564 		sp = tail(tp->f_fn);
565 		cp = sp + (len = strlen(sp)) - 1;
566 		och = *cp;
567 		*cp = 'o';
568 		if (len + lpos > 72) {
569 			lpos = 8;
570 			fprintf(fp, "\\\n\t");
571 		}
572 		fprintf(fp, "%s ", sp);
573 		lpos += len + 1;
574 		*cp = och;
575 	}
576 	if (lpos != 8)
577 		putc('\n', fp);
578 }
579 
580 static void
581 do_cfiles(FILE *fp)
582 {
583 	struct file_list *tp;
584 	int lpos, len;
585 
586 	fputs("CFILES=", fp);
587 	lpos = 8;
588 	for (tp = ftab; tp != NULL; tp = tp->f_next)
589 		if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
590 			len = strlen(tp->f_fn);
591 			if (tp->f_fn[len - 1] != 'c')
592 				continue;
593 			if ((len = 3 + len) + lpos > 72) {
594 				lpos = 8;
595 				fputs("\\\n\t", fp);
596 			}
597 			if (tp->f_type != LOCAL)
598 				fprintf(fp, "$S/%s ", tp->f_fn);
599 			else
600 				fprintf(fp, "%s ", tp->f_fn);
601 
602 			lpos += len + 1;
603 		}
604 	if (lpos != 8)
605 		putc('\n', fp);
606 }
607 
608 static void
609 do_mfiles(FILE *fp)
610 {
611 	struct file_list *tp;
612 	int lpos, len;
613 
614 	fputs("MFILES=", fp);
615 	lpos = 8;
616 	for (tp = ftab; tp != NULL; tp = tp->f_next)
617 		if (tp->f_type != INVISIBLE) {
618 			len = strlen(tp->f_fn);
619 			if (tp->f_fn[len - 1] != 'm' || tp->f_fn[len - 2] != '.')
620 				continue;
621 			if ((len = 3 + len) + lpos > 72) {
622 				lpos = 8;
623 				fputs("\\\n\t", fp);
624 			}
625 			fprintf(fp, "$S/%s ", tp->f_fn);
626 			lpos += len + 1;
627 		}
628 	if (lpos != 8)
629 		putc('\n', fp);
630 }
631 
632 static void
633 do_sfiles(FILE *fp)
634 {
635 	struct file_list *tp;
636 	int lpos, len;
637 
638 	fputs("SFILES=", fp);
639 	lpos = 8;
640 	for (tp = ftab; tp != NULL; tp = tp->f_next)
641 		if (tp->f_type != INVISIBLE) {
642 			len = strlen(tp->f_fn);
643 			if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
644 				continue;
645 			if ((len = 3 + len) + lpos > 72) {
646 				lpos = 8;
647 				fputs("\\\n\t", fp);
648 			}
649 			fprintf(fp, "$S/%s ", tp->f_fn);
650 			lpos += len + 1;
651 		}
652 	if (lpos != 8)
653 		putc('\n', fp);
654 }
655 
656 
657 static char *
658 tail(char *fn)
659 {
660 	char *cp;
661 
662 	cp = strrchr(fn, '/');
663 	if (cp == 0)
664 		return(fn);
665 	return(cp + 1);
666 }
667 
668 /*
669  * Create the makerules for each file
670  * which is part of the system.
671  * Devices are processed with the special c2 option -i
672  * which avoids any problem areas with i/o addressing
673  * (e.g. for the VAX); assembler files are processed by as.
674  */
675 static void
676 do_rules(FILE *f)
677 {
678 	char *cp, *np, och, *tp;
679 	struct file_list *ftp;
680 	char *special;
681 
682 	for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
683 		if (ftp->f_type == INVISIBLE)
684 			continue;
685 		if (ftp->f_warn != NULL)
686 			printf("WARNING: %s\n", ftp->f_warn);
687 		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
688 		och = *cp;
689 		if (ftp->f_flags & NO_IMPLCT_RULE) {
690 			if (ftp->f_depends)
691 				fprintf(f, "%s: %s\n", np, ftp->f_depends);
692 			else
693 				fprintf(f, "%s: \n", np);
694 		}
695 		else {
696 			*cp = '\0';
697 			if (och == 'o') {
698 				fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
699 					tail(np), np);
700 				continue;
701 			}
702 			if (ftp->f_depends)
703 				fprintf(f, "%so: $S/%s%c %s\n", tail(np),
704 					np, och, ftp->f_depends);
705 			else
706 				fprintf(f, "%so: $S/%s%c\n", tail(np),
707 					np, och);
708 		}
709 		tp = tail(np);
710 		special = ftp->f_special;
711 		if (special == NULL) {
712 			char *ftype = NULL;
713 			static char cmd[128];
714 
715 			switch (ftp->f_type) {
716 
717 			case NORMAL:
718 				ftype = "NORMAL";
719 				break;
720 
721 			case PROFILING:
722 				if (!profiling)
723 					continue;
724 				ftype = "PROFILE";
725 				break;
726 
727 			default:
728 				printf("config: don't know rules for %s\n", np);
729 				break;
730 			}
731 			snprintf(cmd, sizeof(cmd), "${%s_%c%s}",
732 			    ftype, toupper(och),
733 			    ftp->f_flags & CONFIGDEP ? "_C" : "");
734 			special = cmd;
735 		}
736 		*cp = och;
737 		fprintf(f, "\t%s\n\n", special);
738 	}
739 }
740 
741 static void
742 do_clean(FILE *fp)
743 {
744 	struct file_list *tp;
745 	int lpos, len;
746 
747 	fputs("CLEAN=", fp);
748 	lpos = 7;
749 	for (tp = ftab; tp != NULL; tp = tp->f_next)
750 		if (tp->f_clean) {
751 			len = strlen(tp->f_clean);
752 			if (len + lpos > 72) {
753 				lpos = 8;
754 				fputs("\\\n\t", fp);
755 			}
756 			fprintf(fp, "%s ", tp->f_clean);
757 			lpos += len + 1;
758 		}
759 	if (lpos != 8)
760 		putc('\n', fp);
761 }
762 
763 char *
764 raisestr(char *str)
765 {
766 	char *cp = str;
767 
768 	while (*str) {
769 		if (islower(*str))
770 			*str = toupper(*str);
771 		str++;
772 	}
773 	return(cp);
774 }
775