mkmakefile.c revision 8857 
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
34#ifndef lint
35static char sccsid[] = "@(#)mkmakefile.c	8.1 (Berkeley) 6/6/93";
36#endif /* not lint */
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 <stdio.h>
45#include <ctype.h>
46#include "y.tab.h"
47#include "config.h"
48
49#define next_word(fp, wd) \
50	{ register char *word = get_word(fp); \
51	  if (word == (char *)EOF) \
52		return; \
53	  else \
54		wd = word; \
55	}
56#define next_quoted_word(fp, wd) \
57	{ register char *word = get_quoted_word(fp); \
58	  if (word == (char *)EOF) \
59		return; \
60	  else \
61		wd = word; \
62	}
63
64static	struct file_list *fcur;
65char *tail();
66
67/*
68 * Lookup a file, by name.
69 */
70struct file_list *
71fl_lookup(file)
72	register char *file;
73{
74	register struct file_list *fp;
75
76	for (fp = ftab ; fp != 0; fp = fp->f_next) {
77		if (eq(fp->f_fn, file))
78			return (fp);
79	}
80	return (0);
81}
82
83/*
84 * Lookup a file, by final component name.
85 */
86struct file_list *
87fltail_lookup(file)
88	register char *file;
89{
90	register struct file_list *fp;
91
92	for (fp = ftab ; fp != 0; fp = fp->f_next) {
93		if (eq(tail(fp->f_fn), tail(file)))
94			return (fp);
95	}
96	return (0);
97}
98
99/*
100 * Make a new file list entry
101 */
102struct file_list *
103new_fent()
104{
105	register struct file_list *fp;
106
107	fp = (struct file_list *) malloc(sizeof *fp);
108	bzero(fp, sizeof *fp);
109	if (fcur == 0)
110		fcur = ftab = fp;
111	else
112		fcur->f_next = fp;
113	fcur = fp;
114	return (fp);
115}
116
117static	struct users {
118	int	u_default;
119	int	u_min;
120	int	u_max;
121} users[] = {
122	{ 24, 8, 1024 },		/* MACHINE_VAX */
123	{ 4, 2, 128 },			/* MACHINE_TAHOE */
124	{ 8, 2, 64 },			/* MACHINE_HP300 */
125	{ 8, 2, 64 },			/* MACHINE_I386 */
126	{ 8, 2, 64 },			/* MACHINE_MIPS */
127	{ 8, 2, 64 },			/* MACHINE_PMAX */
128	{ 8, 2, 64 },			/* MACHINE_LUNA68K */
129	{ 8, 2, 64 },			/* MACHINE_NEWS3400 */
130};
131#define	NUSERS	(sizeof (users) / sizeof (users[0]))
132
133/*
134 * Build the makefile from the skeleton
135 */
136makefile()
137{
138	FILE *ifp, *ofp;
139	char line[BUFSIZ];
140	struct opt *op;
141	struct users *up;
142
143	read_files();
144	strcpy(line, "Makefile.");
145	(void) strcat(line, machinename);
146	ifp = fopen(line, "r");
147	if (ifp == 0) {
148		perror(line);
149		exit(1);
150	}
151	ofp = fopen(path("Makefile"), "w");
152	if (ofp == 0) {
153		perror(path("Makefile"));
154		exit(1);
155	}
156	fprintf(ofp, "KERN_IDENT=%s\n", raise(ident));
157	fprintf(ofp, "IDENT=-D%s", raise(ident));
158	if (profiling)
159		fprintf(ofp, " -DGPROF");
160	if (cputype == 0) {
161		printf("cpu type must be specified\n");
162		exit(1);
163	}
164	{ struct cputype *cp;
165	  for (cp = cputype; cp; cp = cp->cpu_next)
166		fprintf(ofp, " -D%s", cp->cpu_name);
167	}
168	for (op = opt; op; op = op->op_next)
169		if (op->op_value)
170			fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
171		else
172			fprintf(ofp, " -D%s", op->op_name);
173	fprintf(ofp, "\n");
174	if ((unsigned)machine > NUSERS) {
175		printf("maxusers config info isn't present, using vax\n");
176		up = &users[MACHINE_VAX-1];
177	} else
178		up = &users[machine-1];
179	if (maxusers == 0) {
180		printf("maxusers not specified; %d assumed\n", up->u_default);
181		maxusers = up->u_default;
182	} else if (maxusers < up->u_min) {
183		printf("minimum of %d maxusers assumed\n", up->u_min);
184		maxusers = up->u_min;
185	} else if (maxusers > up->u_max)
186		printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
187	fprintf(ofp, "PARAM=-DTIMEZONE=%d -DDST=%d -DMAXUSERS=%d\n",
188	    zone, dst, maxusers);
189	if (loadaddress != -1) {
190		fprintf(ofp, "LOAD_ADDRESS=%X\n", loadaddress);
191	}
192	for (op = mkopt; op; op = op->op_next)
193		fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
194	if (debugging)
195		fprintf(ofp, "DEBUG=-g\n");
196	if (profiling)
197		fprintf(ofp, "PROF=-pg\n");
198	while (fgets(line, BUFSIZ, ifp) != 0) {
199		if (*line != '%') {
200			fprintf(ofp, "%s", line);
201			continue;
202		}
203		if (eq(line, "%BEFORE_DEPEND\n"))
204			do_before_depend(ofp);
205		else if (eq(line, "%OBJS\n"))
206			do_objs(ofp);
207		else if (eq(line, "%CFILES\n"))
208			do_cfiles(ofp);
209		else if (eq(line, "%RULES\n"))
210			do_rules(ofp);
211		else if (eq(line, "%LOAD\n"))
212			do_load(ofp);
213		else if (eq(line, "%CLEAN\n"))
214			do_clean(ofp);
215		else
216			fprintf(stderr,
217			    "Unknown %% construct in generic makefile: %s",
218			    line);
219	}
220	(void) fclose(ifp);
221	(void) fclose(ofp);
222}
223
224/*
225 * Read in the information about files used in making the system.
226 * Store it in the ftab linked list.
227 */
228read_files()
229{
230	FILE *fp;
231	register struct file_list *tp, *pf;
232	register struct device *dp;
233	struct device *save_dp;
234	register struct opt *op;
235	char *wd, *this, *needs, *special, *depends, *clean;
236	char fname[32];
237	int nreqs, first = 1, configdep, isdup, std, filetype,
238	    imp_rule, no_obj, before_depend;
239
240	ftab = 0;
241	(void) strcpy(fname, "../../conf/files");
242openit:
243	fp = fopen(fname, "r");
244	if (fp == 0) {
245		perror(fname);
246		exit(1);
247	}
248	if(ident == NULL) {
249		printf("no ident line specified\n");
250		exit(1);
251	}
252next:
253	/*
254	 * filename	[ standard | optional ] [ config-dependent ]
255	 *	[ dev* | profiling-routine ] [ device-driver] [ no-obj ]
256	 *	[ compile-with "compile rule" [no-implicit-rule] ]
257	 *      [ dependency "dependency-list"] [ before-depend ]
258	 *	[ clean "file-list"]
259	 */
260	wd = get_word(fp);
261	if (wd == (char *)EOF) {
262		(void) fclose(fp);
263		if (first == 1) {
264			(void) sprintf(fname, "files.%s", machinename);
265			first++;
266			goto openit;
267		}
268		if (first == 2) {
269			(void) sprintf(fname, "files.%s", raise(ident));
270			first++;
271			fp = fopen(fname, "r");
272			if (fp != 0)
273				goto next;
274		}
275		return;
276	}
277	if (wd == 0)
278		goto next;
279	/*************************************************\
280	* If it's a comment ignore to the end of the line *
281	\*************************************************/
282	if(wd[0] == '#')
283	{
284		while( ((wd = get_word(fp)) != (char *)EOF) && wd)
285		;
286		goto next;
287	}
288	this = ns(wd);
289	next_word(fp, wd);
290	if (wd == 0) {
291		printf("%s: No type for %s.\n",
292		    fname, this);
293		exit(1);
294	}
295	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
296		isdup = 1;
297	else
298		isdup = 0;
299	tp = 0;
300	if (first == 3 && (tp = fltail_lookup(this)) != 0)
301		printf("%s: Local file %s overrides %s.\n",
302		    fname, this, tp->f_fn);
303	nreqs = 0;
304	special = 0;
305	depends = 0;
306	clean = 0;
307	configdep = 0;
308	needs = 0;
309	std = 0;
310	imp_rule = 0;
311	no_obj = 0;
312	before_depend = 0;
313	filetype = NORMAL;
314	if (eq(wd, "standard"))
315		std = 1;
316	else if (!eq(wd, "optional")) {
317		printf("%s: %s must be optional or standard\n", fname, this);
318		exit(1);
319	}
320nextparam:
321	next_word(fp, wd);
322	if (wd == 0)
323		goto doneparam;
324	if (eq(wd, "config-dependent")) {
325		configdep++;
326		goto nextparam;
327	}
328	if (eq(wd, "no-obj")) {
329		no_obj++;
330		goto nextparam;
331	}
332	if (eq(wd, "no-implicit-rule")) {
333		if (special == 0) {
334			printf("%s: alternate rule required when "
335			       "\"no-implicit-rule\" is specified.\n",
336			       fname);
337		}
338		imp_rule++;
339		goto nextparam;
340	}
341	if (eq(wd, "before-depend")) {
342		before_depend++;
343		goto nextparam;
344	}
345	if (eq(wd, "dependency")) {
346		next_quoted_word(fp, wd);
347		if (wd == 0) {
348			printf("%s: %s missing compile command string.\n",
349			       fname, this);
350			exit(1);
351		}
352		depends = ns(wd);
353		goto nextparam;
354	}
355	if (eq(wd, "clean")) {
356		next_quoted_word(fp, wd);
357		if (wd == 0) {
358			printf("%s: %s missing clean file list.\n",
359			       fname, this);
360			exit(1);
361		}
362		clean = ns(wd);
363		goto nextparam;
364	}
365	if (eq(wd, "compile-with")) {
366		next_quoted_word(fp, wd);
367		if (wd == 0) {
368			printf("%s: %s missing compile command string.\n",
369			       fname, this);
370			exit(1);
371		}
372		special = ns(wd);
373		goto nextparam;
374	}
375	nreqs++;
376	if (eq(wd, "device-driver")) {
377		filetype = DRIVER;
378		goto nextparam;
379	}
380	if (eq(wd, "profiling-routine")) {
381		filetype = PROFILING;
382		goto nextparam;
383	}
384	if (needs == 0 && nreqs == 1)
385		needs = ns(wd);
386	if (isdup)
387		goto invis;
388	for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
389		if (eq(dp->d_name, wd)) {
390			if (std && dp->d_type == PSEUDO_DEVICE &&
391			    dp->d_slave <= 0)
392				dp->d_slave = 1;
393			goto nextparam;
394		}
395	if (std) {
396		dp = (struct device *) malloc(sizeof *dp);
397		init_dev(dp);
398		dp->d_name = ns(wd);
399		dp->d_type = PSEUDO_DEVICE;
400		dp->d_slave = 1;
401		save_dp->d_next = dp;
402		goto nextparam;
403	}
404	for (op = opt; op != 0; op = op->op_next)
405		if (op->op_value == 0 && opteq(op->op_name, wd)) {
406			if (nreqs == 1) {
407				free(needs);
408				needs = 0;
409			}
410			goto nextparam;
411		}
412invis:
413	while ((wd = get_word(fp)) != 0)
414		;
415	if (tp == 0)
416		tp = new_fent();
417	tp->f_fn = this;
418	tp->f_type = INVISIBLE;
419	tp->f_needs = needs;
420	tp->f_flags = isdup;
421	tp->f_special = special;
422	tp->f_depends = depends;
423	tp->f_clean = clean;
424	goto next;
425
426doneparam:
427	if (std == 0 && nreqs == 0) {
428		printf("%s: what is %s optional on?\n",
429		    fname, this);
430		exit(1);
431	}
432
433save:
434	if (wd) {
435		printf("%s: syntax error describing %s\n",
436		    fname, this);
437		exit(1);
438	}
439	if (filetype == PROFILING && profiling == 0)
440		goto next;
441	if (tp == 0)
442		tp = new_fent();
443	tp->f_fn = this;
444	tp->f_type = filetype;
445	tp->f_flags = 0;
446	if (configdep)
447		tp->f_flags |= CONFIGDEP;
448	if (imp_rule)
449		tp->f_flags |= NO_IMPLCT_RULE;
450	if (no_obj)
451		tp->f_flags |= NO_OBJ;
452	if (before_depend)
453		tp->f_flags |= BEFORE_DEPEND;
454	if (imp_rule)
455		tp->f_flags |= NO_IMPLCT_RULE;
456	if (no_obj)
457		tp->f_flags |= NO_OBJ;
458	tp->f_needs = needs;
459	tp->f_special = special;
460	tp->f_depends = depends;
461	tp->f_clean = clean;
462	if (pf && pf->f_type == INVISIBLE)
463		pf->f_flags = 1;		/* mark as duplicate */
464	goto next;
465}
466
467opteq(cp, dp)
468	char *cp, *dp;
469{
470	char c, d;
471
472	for (; ; cp++, dp++) {
473		if (*cp != *dp) {
474			c = isupper(*cp) ? tolower(*cp) : *cp;
475			d = isupper(*dp) ? tolower(*dp) : *dp;
476			if (c != d)
477				return (0);
478		}
479		if (*cp == 0)
480			return (1);
481	}
482}
483
484do_before_depend(fp)
485	FILE *fp;
486{
487	register struct file_list *tp, *fl;
488	register int lpos, len;
489	char swapname[32];
490
491	fputs("BEFORE_DEPEND=", fp);
492	lpos = 15;
493	for (tp = ftab; tp; tp = tp->f_next)
494		if (tp->f_flags & BEFORE_DEPEND) {
495			len = strlen(tp->f_fn);
496			if ((len = 3 + len) + lpos > 72) {
497				lpos = 8;
498				fputs("\\\n\t", fp);
499			}
500			if (tp->f_flags & NO_IMPLCT_RULE)
501				fprintf(fp, "%s ", tp->f_fn);
502			else
503				fprintf(fp, "$S/%s ", tp->f_fn);
504			lpos += len + 1;
505		}
506	if (lpos != 8)
507		putc('\n', fp);
508}
509
510do_objs(fp)
511	FILE *fp;
512{
513	register struct file_list *tp, *fl;
514	register int lpos, len;
515	register char *cp, och, *sp;
516	char swapname[32];
517
518	fprintf(fp, "OBJS=");
519	lpos = 6;
520	for (tp = ftab; tp != 0; tp = tp->f_next) {
521		if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
522			continue;
523		sp = tail(tp->f_fn);
524		for (fl = conf_list; fl; fl = fl->f_next) {
525			if (fl->f_type != SWAPSPEC)
526				continue;
527			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
528			if (eq(sp, swapname))
529				goto cont;
530		}
531		cp = sp + (len = strlen(sp)) - 1;
532		och = *cp;
533		*cp = 'o';
534		if (len + lpos > 72) {
535			lpos = 8;
536			fprintf(fp, "\\\n\t");
537		}
538		fprintf(fp, "%s ", sp);
539		lpos += len + 1;
540		*cp = och;
541cont:
542		;
543	}
544	if (lpos != 8)
545		putc('\n', fp);
546}
547
548do_cfiles(fp)
549	FILE *fp;
550{
551	register struct file_list *tp, *fl;
552	register int lpos, len;
553	char swapname[32];
554
555	fputs("CFILES=", fp);
556	lpos = 8;
557	for (tp = ftab; tp; tp = tp->f_next)
558		if (tp->f_type != INVISIBLE) {
559			len = strlen(tp->f_fn);
560			if (tp->f_fn[len - 1] != 'c')
561				continue;
562			if ((len = 3 + len) + lpos > 72) {
563				lpos = 8;
564				fputs("\\\n\t", fp);
565			}
566			fprintf(fp, "$S/%s ", tp->f_fn);
567			lpos += len + 1;
568		}
569	for (fl = conf_list; fl; fl = fl->f_next)
570		if (fl->f_type == SYSTEMSPEC) {
571			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
572			if ((len = 3 + strlen(swapname)) + lpos > 72) {
573				lpos = 8;
574				fputs("\\\n\t", fp);
575			}
576			if (eq(fl->f_fn, "generic"))
577				fprintf(fp, "$S/%s/%s/%s ",
578				    machinename, machinename, swapname);
579			else
580				fprintf(fp, "%s ", swapname);
581			lpos += len + 1;
582		}
583	if (lpos != 8)
584		putc('\n', fp);
585}
586
587char *
588tail(fn)
589	char *fn;
590{
591	register char *cp;
592
593	cp = rindex(fn, '/');
594	if (cp == 0)
595		return (fn);
596	return (cp+1);
597}
598
599/*
600 * Create the makerules for each file
601 * which is part of the system.
602 * Devices are processed with the special c2 option -i
603 * which avoids any problem areas with i/o addressing
604 * (e.g. for the VAX); assembler files are processed by as.
605 */
606do_rules(f)
607	FILE *f;
608{
609	register char *cp, *np, och, *tp;
610	register struct file_list *ftp;
611	char *special;
612
613	for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
614		if (ftp->f_type == INVISIBLE)
615			continue;
616		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
617		och = *cp;
618		if (ftp->f_flags & NO_IMPLCT_RULE) {
619			if (ftp->f_depends)
620				fprintf(f, "%s: %s\n", np, ftp->f_depends );
621			else
622				fprintf(f, "%s: \n", np );
623		}
624		else {
625			*cp = '\0';
626			if (och == 'o') {
627				fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
628					tail(np), np);
629				continue;
630			}
631			if (ftp->f_depends)
632				fprintf(f, "%so: $S/%s%c %s\n", tail(np),
633					np, och, ftp->f_depends);
634			else
635				fprintf(f, "%so: $S/%s%c\n", tail(np),
636					np, och);
637		}
638		tp = tail(np);
639		special = ftp->f_special;
640		if (special == 0) {
641			char *ftype;
642			static char cmd[128];
643
644			switch (ftp->f_type) {
645
646			case NORMAL:
647				ftype = "NORMAL";
648				break;
649
650			case DRIVER:
651				ftype = "DRIVER";
652				break;
653
654			case PROFILING:
655				if (!profiling)
656					continue;
657				ftype = "PROFILE";
658				break;
659
660			default:
661				printf("config: don't know rules for %s\n", np);
662				break;
663			}
664			(void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och),
665				      ftp->f_flags & CONFIGDEP? "_C" : "");
666			special = cmd;
667		}
668		*cp = och;
669		fprintf(f, "\t%s\n\n", special);
670	}
671}
672
673/*
674 * Create the load strings
675 */
676do_load(f)
677	register FILE *f;
678{
679	register struct file_list *fl;
680	register int first;
681	struct file_list *do_systemspec();
682
683	for (first = 1, fl = conf_list; fl; first = 0)
684		fl = fl->f_type == SYSTEMSPEC ?
685			do_systemspec(f, fl, first) : fl->f_next;
686	fputs("all:", f);
687	for (fl = conf_list; fl; fl = fl->f_next)
688		if (fl->f_type == SYSTEMSPEC)
689			fprintf(f, " %s", fl->f_needs);
690	putc('\n', f);
691}
692
693do_clean(fp)
694	FILE *fp;
695{
696	register struct file_list *tp, *fl;
697	register int lpos, len;
698	char swapname[32];
699
700	fputs("CLEAN=", fp);
701	lpos = 7;
702	for (tp = ftab; tp; tp = tp->f_next)
703		if (tp->f_clean) {
704			len = strlen(tp->f_clean);
705			if (len + lpos > 72) {
706				lpos = 8;
707				fputs("\\\n\t", fp);
708			}
709			fprintf(fp, "%s ", tp->f_clean);
710			lpos += len + 1;
711		}
712	if (lpos != 8)
713		putc('\n', fp);
714}
715
716struct file_list *
717do_systemspec(f, fl, first)
718	FILE *f;
719	register struct file_list *fl;
720	int first;
721{
722
723	fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn);
724	if (first)
725		fprintf(f, " vers.o");
726	fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n");
727	fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn);
728	fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n");
729	do_swapspec(f, fl->f_fn);
730	for (fl = fl->f_next; fl; fl = fl->f_next)
731		if (fl->f_type != SWAPSPEC)
732			break;
733	return (fl);
734}
735
736do_swapspec(f, name)
737	FILE *f;
738	register char *name;
739{
740
741	if (!eq(name, "generic"))
742		fprintf(f, "swap%s.o: swap%s.c\n", name, name);
743	else
744		fprintf(f, "swapgeneric.o: $S/%s/%s/swapgeneric.c\n",
745			machinename, machinename);
746	fprintf(f, "\t${NORMAL_C}\n\n");
747}
748
749char *
750raise(str)
751	register char *str;
752{
753	register char *cp = str;
754
755	while (*str) {
756		if (islower(*str))
757			*str = toupper(*str);
758		str++;
759	}
760	return (cp);
761}
762
763