summaryrefslogtreecommitdiffstats
path: root/usr.sbin/config/mkmakefile.c
blob: fed803df2317b8541a2b3e29b4571a20c08ee9f9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
/*
 * Copyright (c) 1993, 19801990
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)mkmakefile.c	8.1 (Berkeley) 6/6/93";
#endif /* not lint */

/*
 * Build the makefile for the system, from
 * the information in the files files and the
 * additional files for the machine being compiled to.
 */

#include <stdio.h>
#include <ctype.h>
#include "y.tab.h"
#include "config.h"

#define next_word(fp, wd) \
	{ register char *word = get_word(fp); \
	  if (word == (char *)EOF) \
		return; \
	  else \
		wd = word; \
	}
#define next_quoted_word(fp, wd) \
	{ register char *word = get_quoted_word(fp); \
	  if (word == (char *)EOF) \
		return; \
	  else \
		wd = word; \
	}

static	struct file_list *fcur;
char *tail();

/*
 * Lookup a file, by name.
 */
struct file_list *
fl_lookup(file)
	register char *file;
{
	register struct file_list *fp;

	for (fp = ftab ; fp != 0; fp = fp->f_next) {
		if (eq(fp->f_fn, file))
			return (fp);
	}
	return (0);
}

/*
 * Lookup a file, by final component name.
 */
struct file_list *
fltail_lookup(file)
	register char *file;
{
	register struct file_list *fp;

	for (fp = ftab ; fp != 0; fp = fp->f_next) {
		if (eq(tail(fp->f_fn), tail(file)))
			return (fp);
	}
	return (0);
}

/*
 * Make a new file list entry
 */
struct file_list *
new_fent()
{
	register struct file_list *fp;

	fp = (struct file_list *) malloc(sizeof *fp);
	bzero(fp, sizeof *fp);
	if (fcur == 0)
		fcur = ftab = fp;
	else
		fcur->f_next = fp;
	fcur = fp;
	return (fp);
}

static	struct users {
	int	u_default;
	int	u_min;
	int	u_max;
} users[] = {
	{ 24, 8, 1024 },		/* MACHINE_VAX */
	{ 4, 2, 128 },			/* MACHINE_TAHOE */
	{ 8, 2, 64 },			/* MACHINE_HP300 */
	{ 8, 2, 64 },			/* MACHINE_I386 */
	{ 8, 2, 64 },			/* MACHINE_MIPS */
	{ 8, 2, 64 },			/* MACHINE_PMAX */
	{ 8, 2, 64 },			/* MACHINE_LUNA68K */
	{ 8, 2, 64 },			/* MACHINE_NEWS3400 */
};
#define	NUSERS	(sizeof (users) / sizeof (users[0]))

/*
 * Build the makefile from the skeleton
 */
makefile()
{
	FILE *ifp, *ofp;
	char line[BUFSIZ];
	struct opt *op;
	struct users *up;

	read_files();
	strcpy(line, "Makefile.");
	(void) strcat(line, machinename);
	ifp = fopen(line, "r");
	if (ifp == 0) {
		perror(line);
		exit(1);
	}
	ofp = fopen(path("Makefile"), "w");
	if (ofp == 0) {
		perror(path("Makefile"));
		exit(1);
	}
	fprintf(ofp, "IDENT=-D%s", raise(ident));
	if (profiling)
		fprintf(ofp, " -DGPROF");
	if (cputype == 0) {
		printf("cpu type must be specified\n");
		exit(1);
	}
	{ struct cputype *cp;
	  for (cp = cputype; cp; cp = cp->cpu_next)
		fprintf(ofp, " -D%s", cp->cpu_name);
	}
	for (op = opt; op; op = op->op_next)
		if (op->op_value)
			fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
		else
			fprintf(ofp, " -D%s", op->op_name);
	fprintf(ofp, "\n");
	if (hadtz == 0)
		printf("timezone not specified; gmt assumed\n");
	if ((unsigned)machine > NUSERS) {
		printf("maxusers config info isn't present, using vax\n");
		up = &users[MACHINE_VAX-1];
	} else
		up = &users[machine-1];
	if (maxusers == 0) {
		printf("maxusers not specified; %d assumed\n", up->u_default);
		maxusers = up->u_default;
	} else if (maxusers < up->u_min) {
		printf("minimum of %d maxusers assumed\n", up->u_min);
		maxusers = up->u_min;
	} else if (maxusers > up->u_max)
		printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
	fprintf(ofp, "PARAM=-DTIMEZONE=%d -DDST=%d -DMAXUSERS=%d",
	    zone, dst, maxusers);
	if (hz > 0)
		fprintf(ofp, " -DHZ=%d", hz);
	fprintf(ofp, "\n");
	for (op = mkopt; op; op = op->op_next)
		fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
	if (debugging)
		fprintf(ofp, "DEBUG=-g\n");
	if (profiling)
		fprintf(ofp, "PROF=-pg\n");
	while (fgets(line, BUFSIZ, ifp) != 0) {
		if (*line != '%') {
			fprintf(ofp, "%s", line);
			continue;
		}
		if (eq(line, "%OBJS\n"))
			do_objs(ofp);
		else if (eq(line, "%CFILES\n"))
			do_cfiles(ofp);
		else if (eq(line, "%RULES\n"))
			do_rules(ofp);
		else if (eq(line, "%LOAD\n"))
			do_load(ofp);
		else
			fprintf(stderr,
			    "Unknown %% construct in generic makefile: %s",
			    line);
	}
	(void) fclose(ifp);
	(void) fclose(ofp);
}

/*
 * Read in the information about files used in making the system.
 * Store it in the ftab linked list.
 */
read_files()
{
	FILE *fp;
	register struct file_list *tp, *pf;
	register struct device *dp;
	struct device *save_dp;
	register struct opt *op;
	char *wd, *this, *needs, *special;
	char fname[32];
	int nreqs, first = 1, configdep, isdup, std, filetype;

	ftab = 0;
	(void) strcpy(fname, "../../conf/files");
openit:
	fp = fopen(fname, "r");
	if (fp == 0) {
		perror(fname);
		exit(1);
	}
next:
	/*
	 * filename	[ standard | optional ] [ config-dependent ]
	 *	[ dev* | profiling-routine ] [ device-driver]
	 *	[ compile-with "compile rule" ]
	 */
	wd = get_word(fp);
	if (wd == (char *)EOF) {
		(void) fclose(fp);
		if (first == 1) {
			(void) sprintf(fname, "files.%s", machinename);
			first++;
			goto openit;
		}
		if (first == 2) {
			(void) sprintf(fname, "files.%s", raise(ident));
			first++;
			fp = fopen(fname, "r");
			if (fp != 0)
				goto next;
		}
		return;
	}
	if (wd == 0)
		goto next;
	this = ns(wd);
	next_word(fp, wd);
	if (wd == 0) {
		printf("%s: No type for %s.\n",
		    fname, this);
		exit(1);
	}
	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
		isdup = 1;
	else
		isdup = 0;
	tp = 0;
	if (first == 3 && (tp = fltail_lookup(this)) != 0)
		printf("%s: Local file %s overrides %s.\n",
		    fname, this, tp->f_fn);
	nreqs = 0;
	special = 0;
	configdep = 0;
	needs = 0;
	std = 0;
	filetype = NORMAL;
	if (eq(wd, "standard"))
		std = 1;
	else if (!eq(wd, "optional")) {
		printf("%s: %s must be optional or standard\n", fname, this);
		exit(1);
	}
nextparam:
	next_word(fp, wd);
	if (wd == 0)
		goto doneparam;
	if (eq(wd, "config-dependent")) {
		configdep++;
		goto nextparam;
	}
	if (eq(wd, "compile-with")) {
		next_quoted_word(fp, wd);
		if (wd == 0) {
			printf("%s: %s missing compile command string.\n",
			       fname);
			exit(1);
		}
		special = ns(wd);
		goto nextparam;
	}
	nreqs++;
	if (eq(wd, "device-driver")) {
		filetype = DRIVER;
		goto nextparam;
	}
	if (eq(wd, "profiling-routine")) {
		filetype = PROFILING;
		goto nextparam;
	}
	if (needs == 0 && nreqs == 1)
		needs = ns(wd);
	if (isdup)
		goto invis;
	for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
		if (eq(dp->d_name, wd)) {
			if (std && dp->d_type == PSEUDO_DEVICE &&
			    dp->d_slave <= 0)
				dp->d_slave = 1;
			goto nextparam;
		}
	if (std) {
		dp = (struct device *) malloc(sizeof *dp);
		init_dev(dp);
		dp->d_name = ns(wd);
		dp->d_type = PSEUDO_DEVICE;
		dp->d_slave = 1;
		save_dp->d_next = dp;
		goto nextparam;
	}
	for (op = opt; op != 0; op = op->op_next)
		if (op->op_value == 0 && opteq(op->op_name, wd)) {
			if (nreqs == 1) {
				free(needs);
				needs = 0;
			}
			goto nextparam;
		}
invis:
	while ((wd = get_word(fp)) != 0)
		;
	if (tp == 0)
		tp = new_fent();
	tp->f_fn = this;
	tp->f_type = INVISIBLE;
	tp->f_needs = needs;
	tp->f_flags = isdup;
	tp->f_special = special;
	goto next;

doneparam:
	if (std == 0 && nreqs == 0) {
		printf("%s: what is %s optional on?\n",
		    fname, this);
		exit(1);
	}

save:
	if (wd) {
		printf("%s: syntax error describing %s\n",
		    fname, this);
		exit(1);
	}
	if (filetype == PROFILING && profiling == 0)
		goto next;
	if (tp == 0)
		tp = new_fent();
	tp->f_fn = this;
	tp->f_type = filetype;
	tp->f_flags = 0;
	if (configdep)
		tp->f_flags |= CONFIGDEP;
	tp->f_needs = needs;
	tp->f_special = special;
	if (pf && pf->f_type == INVISIBLE)
		pf->f_flags = 1;		/* mark as duplicate */
	goto next;
}

opteq(cp, dp)
	char *cp, *dp;
{
	char c, d;

	for (; ; cp++, dp++) {
		if (*cp != *dp) {
			c = isupper(*cp) ? tolower(*cp) : *cp;
			d = isupper(*dp) ? tolower(*dp) : *dp;
			if (c != d)
				return (0);
		}
		if (*cp == 0)
			return (1);
	}
}

do_objs(fp)
	FILE *fp;
{
	register struct file_list *tp, *fl;
	register int lpos, len;
	register char *cp, och, *sp;
	char swapname[32];

	fprintf(fp, "OBJS=");
	lpos = 6;
	for (tp = ftab; tp != 0; tp = tp->f_next) {
		if (tp->f_type == INVISIBLE)
			continue;
		sp = tail(tp->f_fn);
		for (fl = conf_list; fl; fl = fl->f_next) {
			if (fl->f_type != SWAPSPEC)
				continue;
			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
			if (eq(sp, swapname))
				goto cont;
		}
		cp = sp + (len = strlen(sp)) - 1;
		och = *cp;
		*cp = 'o';
		if (len + lpos > 72) {
			lpos = 8;
			fprintf(fp, "\\\n\t");
		}
		fprintf(fp, "%s ", sp);
		lpos += len + 1;
		*cp = och;
cont:
		;
	}
	if (lpos != 8)
		putc('\n', fp);
}

do_cfiles(fp)
	FILE *fp;
{
	register struct file_list *tp, *fl;
	register int lpos, len;
	char swapname[32];

	fputs("CFILES=", fp);
	lpos = 8;
	for (tp = ftab; tp; tp = tp->f_next)
		if (tp->f_type != INVISIBLE) {
			len = strlen(tp->f_fn);
			if (tp->f_fn[len - 1] != 'c')
				continue;
			if ((len = 3 + len) + lpos > 72) {
				lpos = 8;
				fputs("\\\n\t", fp);
			}
			fprintf(fp, "$S/%s ", tp->f_fn);
			lpos += len + 1;
		}
	for (fl = conf_list; fl; fl = fl->f_next)
		if (fl->f_type == SYSTEMSPEC) {
			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
			if ((len = 3 + strlen(swapname)) + lpos > 72) {
				lpos = 8;
				fputs("\\\n\t", fp);
			}
			if (eq(fl->f_fn, "generic"))
				fprintf(fp, "$S/%s/%s/%s ",
				    machinename, machinename, swapname);
			else
				fprintf(fp, "%s ", swapname);
			lpos += len + 1;
		}
	if (lpos != 8)
		putc('\n', fp);
}

char *
tail(fn)
	char *fn;
{
	register char *cp;

	cp = rindex(fn, '/');
	if (cp == 0)
		return (fn);
	return (cp+1);
}

/*
 * Create the makerules for each file
 * which is part of the system.
 * Devices are processed with the special c2 option -i
 * which avoids any problem areas with i/o addressing
 * (e.g. for the VAX); assembler files are processed by as.
 */
do_rules(f)
	FILE *f;
{
	register char *cp, *np, och, *tp;
	register struct file_list *ftp;
	char *special;

	for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
		if (ftp->f_type == INVISIBLE)
			continue;
		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
		och = *cp;
		*cp = '\0';
		if (och == 'o') {
			fprintf(f, "%so:\n\t-cp $S/%so .\n\n", tail(np), np);
			continue;
		}
		fprintf(f, "%so: $S/%s%c\n", tail(np), np, och);
		tp = tail(np);
		special = ftp->f_special;
		if (special == 0) {
			char *ftype;
			static char cmd[128];

			switch (ftp->f_type) {

			case NORMAL:
				ftype = "NORMAL";
				break;

			case DRIVER:
				ftype = "DRIVER";
				break;

			case PROFILING:
				if (!profiling)
					continue;
				ftype = "PROFILE";
				break;

			default:
				printf("config: don't know rules for %s\n", np);
				break;
			}
			(void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och),
				      ftp->f_flags & CONFIGDEP? "_C" : "");
			special = cmd;
		}
		*cp = och;
		fprintf(f, "\t%s\n\n", special);
	}
}

/*
 * Create the load strings
 */
do_load(f)
	register FILE *f;
{
	register struct file_list *fl;
	register int first;
	struct file_list *do_systemspec();

	for (first = 1, fl = conf_list; fl; first = 0)
		fl = fl->f_type == SYSTEMSPEC ?
			do_systemspec(f, fl, first) : fl->f_next;
	fputs("all:", f);
	for (fl = conf_list; fl; fl = fl->f_next)
		if (fl->f_type == SYSTEMSPEC)
			fprintf(f, " %s", fl->f_needs);
	putc('\n', f);
}

struct file_list *
do_systemspec(f, fl, first)
	FILE *f;
	register struct file_list *fl;
	int first;
{

	fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn);
	if (first)
		fprintf(f, " newvers");
	fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n");
	fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn);
	fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n");
	do_swapspec(f, fl->f_fn);
	for (fl = fl->f_next; fl; fl = fl->f_next)
		if (fl->f_type != SWAPSPEC)
			break;
	return (fl);
}

do_swapspec(f, name)
	FILE *f;
	register char *name;
{

	if (!eq(name, "generic"))
		fprintf(f, "swap%s.o: swap%s.c\n", name, name);
	else
		fprintf(f, "swapgeneric.o: $S/%s/%s/swapgeneric.c\n",
			machinename, machinename);
	fprintf(f, "\t${NORMAL_C}\n\n");
}

char *
raise(str)
	register char *str;
{
	register char *cp = str;

	while (*str) {
		if (islower(*str))
			*str = toupper(*str);
		str++;
	}
	return (cp);
}
OpenPOWER on IntegriCloud