1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1980, 1990, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32/*
33 * Build the makefile for the system, from
34 * the information in the files files and the
35 * additional files for the machine being compiled to.
36 */
37#include <sys/param.h>
38
39#include <cerrno>
40#include <ctype.h>
41#include <err.h>
42#include <stdarg.h>
43#include <stdbool.h>
44#include <stdio.h>
45#include <string.h>
46#include <string>
47#include <unordered_map>
48
49#include "y.tab.h"
50#include "config.h"
51#include "configvers.h"
52
53typedef std::unordered_map<std::string, std::string>	env_map;
54
55static char *tail(char *);
56static void do_clean(FILE *);
57static void do_rules(FILE *);
58static void do_xxfiles(char *, FILE *);
59static void do_objs(FILE *);
60static void do_before_depend(FILE *);
61static void read_files(void);
62static void sanitize_envline(char *result, const char *src);
63static bool preprocess(char *line, char *result);
64static void process_into_file(char *line, FILE *ofp);
65static int process_into_map(char *line, env_map &emap);
66static void dump_map(env_map &emap, FILE *ofp);
67
68static void __printflike(1, 2)
69errout(const char *fmt, ...)
70{
71	va_list ap;
72
73	va_start(ap, fmt);
74	vfprintf(stderr, fmt, ap);
75	va_end(ap);
76	exit(1);
77}
78
79/*
80 * Lookup a file, by name.
81 */
82static struct file_list *
83fl_lookup(char *file)
84{
85	struct file_list *fp;
86
87	STAILQ_FOREACH(fp, &ftab, f_next) {
88		if (eq(fp->f_fn, file))
89			return (fp);
90	}
91	return (0);
92}
93
94/*
95 * Make a new file list entry
96 */
97static struct file_list *
98new_fent(void)
99{
100	struct file_list *fp;
101
102	fp = (struct file_list *) calloc(1, sizeof *fp);
103	if (fp == NULL)
104		err(EXIT_FAILURE, "calloc");
105	STAILQ_INSERT_TAIL(&ftab, fp, f_next);
106	return (fp);
107}
108
109/*
110 * Open the correct Makefile and return it, or error out.
111 */
112FILE *
113open_makefile_template(void)
114{
115	FILE *ifp;
116	char line[BUFSIZ];
117
118	snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
119	ifp = fopen(line, "r");
120	if (ifp == NULL) {
121		snprintf(line, sizeof(line), "Makefile.%s", machinename);
122		ifp = fopen(line, "r");
123	}
124	if (ifp == NULL)
125		err(1, "%s", line);
126	return (ifp);
127}
128
129/*
130 * Build the makefile from the skeleton
131 */
132void
133makefile(void)
134{
135	FILE *ifp, *ofp;
136	char line[BUFSIZ];
137	struct opt *op, *t;
138
139	read_files();
140	ifp = open_makefile_template();
141	ofp = fopen(path("Makefile.new"), "w");
142	if (ofp == NULL)
143		err(1, "%s", path("Makefile.new"));
144	fprintf(ofp, "KERN_IDENT=%s\n", ident);
145	fprintf(ofp, "MACHINE=%s\n", machinename);
146	fprintf(ofp, "MACHINE_ARCH=%s\n", machinearch);
147	SLIST_FOREACH_SAFE(op, &mkopt, op_next, t) {
148		fprintf(ofp, "%s=%s", op->op_name, op->op_value);
149		while ((op = SLIST_NEXT(op, op_append)) != NULL)
150			fprintf(ofp, " %s", op->op_value);
151		fprintf(ofp, "\n");
152	}
153	if (debugging)
154		fprintf(ofp, "DEBUG=-g\n");
155	if (*srcdir != '\0')
156		fprintf(ofp,"S=%s\n", srcdir);
157	while (fgets(line, BUFSIZ, ifp) != NULL) {
158		if (*line != '%') {
159			fprintf(ofp, "%s", line);
160			continue;
161		}
162		if (eq(line, "%BEFORE_DEPEND\n"))
163			do_before_depend(ofp);
164		else if (eq(line, "%OBJS\n"))
165			do_objs(ofp);
166		else if (strncmp(line, "%FILES.", 7) == 0)
167			do_xxfiles(line, ofp);
168		else if (eq(line, "%RULES\n"))
169			do_rules(ofp);
170		else if (eq(line, "%CLEAN\n"))
171			do_clean(ofp);
172		else if (strncmp(line, "%VERSREQ=", 9) == 0)
173			line[0] = '\0'; /* handled elsewhere */
174		else
175			fprintf(stderr,
176			    "Unknown %% construct in generic makefile: %s",
177			    line);
178	}
179	(void) fclose(ifp);
180	(void) fclose(ofp);
181	moveifchanged("Makefile.new", "Makefile");
182}
183
184static void
185sanitize_envline(char *result, const char *src)
186{
187	const char *eq;
188	char c, *dst;
189	bool leading;
190
191	/* If there is no '=' it's not a well-formed name=value line. */
192	if ((eq = strchr(src, '=')) == NULL) {
193		*result = '\0';
194		return;
195	}
196	dst = result;
197
198	/* Copy chars before the '=', skipping any leading spaces/quotes. */
199	leading = true;
200	while (src < eq) {
201		c = *src++;
202		if (leading && (isspace(c) || c == '"'))
203			continue;
204		*dst++ = c;
205		leading = false;
206	}
207
208	/* If it was all leading space, we don't have a well-formed line. */
209	if (leading) {
210		*result = '\0';
211		return;
212	}
213
214	/* Trim spaces/quotes immediately before the '=', then copy the '='. */
215	while (isspace(dst[-1]) || dst[-1] == '"')
216		--dst;
217	*dst++ = *src++;
218
219	/* Copy chars after the '=', skipping any leading whitespace. */
220	leading = true;
221	while ((c = *src++) != '\0') {
222		if (leading && (isspace(c) || c == '"'))
223			continue;
224		*dst++ = c;
225		leading = false;
226	}
227
228	/* If it was all leading space, it's a valid 'var=' (nil value). */
229	if (leading) {
230		*dst = '\0';
231		return;
232	}
233
234	/* Trim trailing whitespace and quotes. */
235	while (isspace(dst[-1]) || dst[-1] == '"')
236		--dst;
237
238	*dst = '\0';
239}
240
241/*
242 * Returns true if the caller may use the string.
243 */
244static bool
245preprocess(char *line, char *result)
246{
247	char *s;
248
249	/* Strip any comments */
250	if ((s = strchr(line, '#')) != NULL)
251		*s = '\0';
252	sanitize_envline(result, line);
253	/* Return true if it's non-empty */
254	return (*result != '\0');
255}
256
257static void
258process_into_file(char *line, FILE *ofp)
259{
260	char result[BUFSIZ];
261
262	if (preprocess(line, result))
263		fprintf(ofp, "\"%s\\0\"\n", result);
264}
265
266static int
267process_into_map(char *line, env_map &emap)
268{
269	char result[BUFSIZ], *s;
270
271	if (preprocess(line, result)) {
272		s = strchr(result, '=');
273		if (s == NULL)
274			return (EINVAL);
275		*s = '\0';
276		emap[result] = s + 1;
277	}
278
279	return (0);
280}
281
282static void
283dump_map(env_map &emap, FILE *ofp)
284{
285
286	for (auto iter : emap) {
287		fprintf(ofp, "\"%s=%s\\0\"\n", iter.first.c_str(),
288		    iter.second.c_str());
289	}
290}
291
292/*
293 * Build hints.c from the skeleton
294 */
295void
296makehints(void)
297{
298	FILE *ifp, *ofp;
299	env_map emap;
300	char line[BUFSIZ];
301	struct hint *hint;
302
303	ofp = fopen(path("hints.c.new"), "w");
304	if (ofp == NULL)
305		err(1, "%s", path("hints.c.new"));
306	fprintf(ofp, "#include <sys/types.h>\n");
307	fprintf(ofp, "#include <sys/systm.h>\n");
308	fprintf(ofp, "\n");
309	/*
310	 * Write out hintmode for older kernels. Remove when config(8) major
311	 * version rolls over.
312	 */
313	if (versreq <= CONFIGVERS_ENVMODE_REQ)
314		fprintf(ofp, "int hintmode = %d;\n",
315			!STAILQ_EMPTY(&hints) ? 1 : 0);
316	fprintf(ofp, "char static_hints[] = {\n");
317	STAILQ_FOREACH(hint, &hints, hint_next) {
318		ifp = fopen(hint->hint_name, "r");
319		if (ifp == NULL)
320			err(1, "%s", hint->hint_name);
321		while (fgets(line, BUFSIZ, ifp) != NULL) {
322			if (process_into_map(line, emap) != 0)
323				errout("%s: malformed line: %s\n",
324				    hint->hint_name, line);
325		}
326		dump_map(emap, ofp);
327		fclose(ifp);
328	}
329	fprintf(ofp, "\"\\0\"\n};\n");
330	fclose(ofp);
331	moveifchanged("hints.c.new", "hints.c");
332}
333
334/*
335 * Build env.c from the skeleton
336 */
337void
338makeenv(void)
339{
340	FILE *ifp, *ofp;
341	env_map emap;
342	char line[BUFSIZ];
343	struct envvar *envvar;
344
345	ofp = fopen(path("env.c.new"), "w");
346	if (ofp == NULL)
347		err(1, "%s", path("env.c.new"));
348	fprintf(ofp, "#include <sys/types.h>\n");
349	fprintf(ofp, "#include <sys/systm.h>\n");
350	fprintf(ofp, "\n");
351	/*
352	 * Write out envmode for older kernels. Remove when config(8) major
353	 * version rolls over.
354	 */
355	if (versreq <= CONFIGVERS_ENVMODE_REQ)
356		fprintf(ofp, "int envmode = %d;\n",
357			!STAILQ_EMPTY(&envvars) ? 1 : 0);
358	fprintf(ofp, "char static_env[] = {\n");
359	STAILQ_FOREACH(envvar, &envvars, envvar_next) {
360		if (envvar->env_is_file) {
361			ifp = fopen(envvar->env_str, "r");
362			if (ifp == NULL)
363				err(1, "%s", envvar->env_str);
364			while (fgets(line, BUFSIZ, ifp) != NULL) {
365				if (process_into_map(line, emap) != 0)
366					errout("%s: malformed line: %s\n",
367					    envvar->env_str, line);
368			}
369			dump_map(emap, ofp);
370			fclose(ifp);
371		} else
372			process_into_file(envvar->env_str, ofp);
373	}
374	fprintf(ofp, "\"\\0\"\n};\n");
375	fclose(ofp);
376	moveifchanged("env.c.new", "env.c");
377}
378
379static void
380read_file(char *fname)
381{
382	char ifname[MAXPATHLEN];
383	FILE *fp;
384	struct file_list *tp;
385	struct device *dp;
386	struct opt *op;
387	configword wd;
388	char *rfile, *compilewith, *depends, *clean, *warning;
389	const char *objprefix;
390	int compile, match, nreqs, std, filetype, negate,
391	    imp_rule, no_ctfconvert, no_obj, before_depend, nowerror;
392
393	fp = fopen(fname, "r");
394	if (fp == NULL)
395		err(1, "%s", fname);
396next:
397	/*
398	 * include "filename"
399	 * filename    [ standard | optional ]
400	 *	[ dev* [ | dev* ... ] | [ no-obj ]
401	 *	[ compile-with "compile rule" [no-implicit-rule] ]
402	 *      [ dependency "dependency-list"] [ before-depend ]
403	 *	[ clean "file-list"] [ warning "text warning" ]
404	 *	[ obj-prefix "file prefix"]
405	 *	[ nowerror ] [ local ]
406	 */
407	wd = get_word(fp);
408	if (wd.eof()) {
409		(void) fclose(fp);
410		return;
411	}
412	if (wd.eol())
413		goto next;
414	if (wd[0] == '#')
415	{
416		while (!(wd = get_word(fp)).eof() && !wd.eol())
417			;
418		goto next;
419	}
420	if (eq(wd, "include")) {
421		wd = get_quoted_word(fp);
422		if (wd.eof() || wd.eol())
423			errout("%s: missing include filename.\n", fname);
424		(void) snprintf(ifname, sizeof(ifname), "../../%s",
425		    wd->c_str());
426		read_file(ifname);
427		while (!(wd = get_word(fp)).eof() && !wd.eol())
428			;
429		goto next;
430	}
431	rfile = ns(wd);
432	wd = get_word(fp);
433	if (wd.eof())
434		return;
435	if (wd.eol())
436		errout("%s: No type for %s.\n", fname, rfile);
437	tp = fl_lookup(rfile);
438	compile = 0;
439	match = 1;
440	nreqs = 0;
441	compilewith = NULL;
442	depends = NULL;
443	clean = NULL;
444	warning = NULL;
445	std = 0;
446	imp_rule = 0;
447	no_ctfconvert = 0;
448	no_obj = 0;
449	before_depend = 0;
450	nowerror = 0;
451	negate = 0;
452	filetype = NORMAL;
453	objprefix = "";
454	if (eq(wd, "standard"))
455		std = 1;
456	else if (!eq(wd, "optional"))
457		errout("%s: \"%s\" %s must be optional or standard\n",
458		    fname, wd->c_str(), rfile);
459	for (wd = get_word(fp); !wd.eol(); wd = get_word(fp)) {
460		if (wd.eof())
461			return;
462		if (eq(wd, "!")) {
463			negate = 1;
464			continue;
465		}
466		if (eq(wd, "|")) {
467			if (nreqs == 0)
468				errout("%s: syntax error describing %s\n",
469				       fname, rfile);
470			compile += match;
471			match = 1;
472			nreqs = 0;
473			continue;
474		}
475		if (eq(wd, "no-ctfconvert")) {
476			no_ctfconvert++;
477			continue;
478		}
479		if (eq(wd, "no-obj")) {
480			no_obj++;
481			continue;
482		}
483		if (eq(wd, "no-implicit-rule")) {
484			if (compilewith == NULL)
485				errout("%s: alternate rule required when "
486				       "\"no-implicit-rule\" is specified for"
487				       " %s.\n",
488				       fname, rfile);
489			imp_rule++;
490			continue;
491		}
492		if (eq(wd, "before-depend")) {
493			before_depend++;
494			continue;
495		}
496		if (eq(wd, "dependency")) {
497			wd = get_quoted_word(fp);
498			if (wd.eof() || wd.eol())
499				errout("%s: %s missing dependency string.\n",
500				       fname, rfile);
501			depends = ns(wd);
502			continue;
503		}
504		if (eq(wd, "clean")) {
505			wd = get_quoted_word(fp);
506			if (wd.eof() || wd.eol())
507				errout("%s: %s missing clean file list.\n",
508				       fname, rfile);
509			clean = ns(wd);
510			continue;
511		}
512		if (eq(wd, "compile-with")) {
513			wd = get_quoted_word(fp);
514			if (wd.eof() || wd.eol())
515				errout("%s: %s missing compile command string.\n",
516				       fname, rfile);
517			compilewith = ns(wd);
518			continue;
519		}
520		if (eq(wd, "warning")) {
521			wd = get_quoted_word(fp);
522			if (wd.eof() || wd.eol())
523				errout("%s: %s missing warning text string.\n",
524				       fname, rfile);
525			warning = ns(wd);
526			continue;
527		}
528		if (eq(wd, "obj-prefix")) {
529			wd = get_quoted_word(fp);
530			if (wd.eof() || wd.eol())
531				errout("%s: %s missing object prefix string.\n",
532				       fname, rfile);
533			objprefix = ns(wd);
534			continue;
535		}
536		if (eq(wd, "nowerror")) {
537			nowerror = 1;
538			continue;
539		}
540		if (eq(wd, "local")) {
541			filetype = LOCAL;
542			continue;
543		}
544		if (eq(wd, "no-depend")) {
545			filetype = NODEPEND;
546			continue;
547		}
548		nreqs++;
549		if (std)
550			errout("standard entry %s has optional inclusion specifier %s!\n",
551			       rfile, wd->c_str());
552		STAILQ_FOREACH(dp, &dtab, d_next)
553			if (eq(dp->d_name, wd)) {
554				if (negate)
555					match = 0;
556				else
557					dp->d_done |= DEVDONE;
558				goto nextparam;
559			}
560		SLIST_FOREACH(op, &opt, op_next)
561			if (op->op_value == 0 &&
562			    strcasecmp(op->op_name, wd) == 0) {
563				if (negate)
564					match = 0;
565				goto nextparam;
566			}
567		match &= negate;
568nextparam:;
569		negate = 0;
570	}
571	compile += match;
572	if (compile && tp == NULL) {
573		if (std == 0 && nreqs == 0)
574			errout("%s: what is %s optional on?\n",
575			       fname, rfile);
576		tp = new_fent();
577		tp->f_fn = rfile;
578		tp->f_type = filetype;
579		if (filetype == LOCAL)
580			tp->f_srcprefix = "";
581		else
582			tp->f_srcprefix = "$S/";
583		if (imp_rule)
584			tp->f_flags |= NO_IMPLCT_RULE;
585		if (no_ctfconvert)
586			tp->f_flags |= NO_CTFCONVERT;
587		if (no_obj)
588			tp->f_flags |= NO_OBJ | NO_CTFCONVERT;
589		if (before_depend)
590			tp->f_flags |= BEFORE_DEPEND;
591		if (nowerror)
592			tp->f_flags |= NOWERROR;
593		tp->f_compilewith = compilewith;
594		tp->f_depends = depends;
595		tp->f_clean = clean;
596		tp->f_warn = warning;
597		tp->f_objprefix = objprefix;
598	}
599	goto next;
600}
601
602/*
603 * Read in the information about files used in making the system.
604 * Store it in the ftab linked list.
605 */
606static void
607read_files(void)
608{
609	char fname[MAXPATHLEN];
610	struct files_name *nl, *tnl;
611
612	(void) snprintf(fname, sizeof(fname), "../../conf/files");
613	read_file(fname);
614	(void) snprintf(fname, sizeof(fname),
615		       	"../../conf/files.%s", machinename);
616	read_file(fname);
617	for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
618		read_file(nl->f_name);
619		tnl = STAILQ_NEXT(nl, f_next);
620		free(nl->f_name);
621		free(nl);
622	}
623}
624
625static void
626do_before_depend(FILE *fp)
627{
628	struct file_list *tp;
629	int lpos, len;
630
631	fputs("BEFORE_DEPEND=", fp);
632	lpos = 15;
633	STAILQ_FOREACH(tp, &ftab, f_next)
634		if (tp->f_flags & BEFORE_DEPEND) {
635			len = strlen(tp->f_fn) + strlen(tp->f_srcprefix);
636			if (len + lpos > 72) {
637				lpos = 8;
638				fputs("\\\n\t", fp);
639			}
640			if (tp->f_flags & NO_IMPLCT_RULE)
641				lpos += fprintf(fp, "%s ", tp->f_fn);
642			else
643				lpos += fprintf(fp, "%s%s ", tp->f_srcprefix,
644				    tp->f_fn);
645		}
646	if (lpos != 8)
647		putc('\n', fp);
648}
649
650static void
651do_objs(FILE *fp)
652{
653	struct file_list *tp;
654	int lpos, len;
655	char *cp, och, *sp;
656
657	fprintf(fp, "OBJS=");
658	lpos = 6;
659	STAILQ_FOREACH(tp, &ftab, f_next) {
660		if (tp->f_flags & NO_OBJ)
661			continue;
662		sp = tail(tp->f_fn);
663		cp = sp + (len = strlen(sp)) - 1;
664		och = *cp;
665		*cp = 'o';
666		len += strlen(tp->f_objprefix);
667		if (len + lpos > 72) {
668			lpos = 8;
669			fprintf(fp, "\\\n\t");
670		}
671		fprintf(fp, "%s%s ", tp->f_objprefix, sp);
672		lpos += len + 1;
673		*cp = och;
674	}
675	if (lpos != 8)
676		putc('\n', fp);
677}
678
679static void
680do_xxfiles(char *tag, FILE *fp)
681{
682	struct file_list *tp;
683	int lpos, len, slen;
684	char *suff, *SUFF;
685
686	if (tag[strlen(tag) - 1] == '\n')
687		tag[strlen(tag) - 1] = '\0';
688
689	suff = ns(tag + 7);
690	SUFF = ns(suff);
691	raisestr(SUFF);
692	slen = strlen(suff);
693
694	fprintf(fp, "%sFILES=", SUFF);
695	free(SUFF);
696	lpos = 8;
697	STAILQ_FOREACH(tp, &ftab, f_next)
698		if (tp->f_type != NODEPEND) {
699			len = strlen(tp->f_fn);
700			if (tp->f_fn[len - slen - 1] != '.')
701				continue;
702			if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
703				continue;
704			if (len + strlen(tp->f_srcprefix) + lpos > 72) {
705				lpos = 8;
706				fputs("\\\n\t", fp);
707			}
708			lpos += fprintf(fp, "%s%s ", tp->f_srcprefix, tp->f_fn);
709		}
710	free(suff);
711	if (lpos != 8)
712		putc('\n', fp);
713}
714
715static char *
716tail(char *fn)
717{
718	char *cp;
719
720	cp = strrchr(fn, '/');
721	if (cp == NULL)
722		return (fn);
723	return (cp+1);
724}
725
726/*
727 * Create the makerules for each file
728 * which is part of the system.
729 */
730static void
731do_rules(FILE *f)
732{
733	char *cp, *np, och;
734	struct file_list *ftp;
735	char *compilewith;
736	char cmd[128];
737
738	STAILQ_FOREACH(ftp, &ftab, f_next) {
739		if (ftp->f_warn)
740			fprintf(stderr, "WARNING: %s\n", ftp->f_warn);
741		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
742		och = *cp;
743		if (ftp->f_flags & NO_IMPLCT_RULE) {
744			if (ftp->f_depends)
745				fprintf(f, "%s%s: %s\n",
746					ftp->f_objprefix, np, ftp->f_depends);
747			else
748				fprintf(f, "%s%s: \n", ftp->f_objprefix, np);
749		}
750		else {
751			*cp = '\0';
752			if (och == 'o') {
753				fprintf(f, "%s%so:\n\t-cp %s%so .\n\n",
754					ftp->f_objprefix, tail(np),
755					ftp->f_srcprefix, np);
756				continue;
757			}
758			if (ftp->f_depends) {
759				fprintf(f, "%s%so: %s%s%c %s\n",
760					ftp->f_objprefix, tail(np),
761					ftp->f_srcprefix, np, och,
762					ftp->f_depends);
763			}
764			else {
765				fprintf(f, "%s%so: %s%s%c\n",
766					ftp->f_objprefix, tail(np),
767					ftp->f_srcprefix, np, och);
768			}
769		}
770		compilewith = ftp->f_compilewith;
771		if (compilewith == NULL) {
772			const char *ftype = NULL;
773
774			switch (ftp->f_type) {
775			case NORMAL:
776				ftype = "NORMAL";
777				break;
778			default:
779				fprintf(stderr,
780				    "config: don't know rules for %s\n", np);
781				break;
782			}
783			snprintf(cmd, sizeof(cmd),
784			    "${%s_%c%s}", ftype,
785			    toupper(och),
786			    ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
787			compilewith = cmd;
788		}
789		*cp = och;
790		if (strlen(ftp->f_objprefix))
791			fprintf(f, "\t%s %s%s\n", compilewith,
792			    ftp->f_srcprefix, np);
793		else
794			fprintf(f, "\t%s\n", compilewith);
795
796		if (!(ftp->f_flags & NO_CTFCONVERT))
797			fprintf(f, "\t${NORMAL_CTFCONVERT}\n\n");
798		else
799			fprintf(f, "\n");
800	}
801}
802
803static void
804do_clean(FILE *fp)
805{
806	struct file_list *tp;
807	int lpos, len;
808
809	fputs("CLEAN=", fp);
810	lpos = 7;
811	STAILQ_FOREACH(tp, &ftab, f_next)
812		if (tp->f_clean) {
813			len = strlen(tp->f_clean);
814			if (len + lpos > 72) {
815				lpos = 8;
816				fputs("\\\n\t", fp);
817			}
818			fprintf(fp, "%s ", tp->f_clean);
819			lpos += len + 1;
820		}
821	if (lpos != 8)
822		putc('\n', fp);
823}
824
825char *
826raisestr(char *str)
827{
828	char *cp = str;
829
830	while (*str) {
831		if (islower(*str))
832			*str = toupper(*str);
833		str++;
834	}
835	return (cp);
836}
837