mkmakefile.c revision 5325 
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
214			fprintf(stderr,
215			    "Unknown %% construct in generic makefile: %s",
216			    line);
217	}
218	(void) fclose(ifp);
219	(void) fclose(ofp);
220}
221
222/*
223 * Read in the information about files used in making the system.
224 * Store it in the ftab linked list.
225 */
226read_files()
227{
228	FILE *fp;
229	register struct file_list *tp, *pf;
230	register struct device *dp;
231	struct device *save_dp;
232	register struct opt *op;
233	char *wd, *this, *needs, *special, *depends;
234	char fname[32];
235	int nreqs, first = 1, configdep, isdup, std, filetype,
236	    imp_rule, no_obj, before_depend;
237
238	ftab = 0;
239	(void) strcpy(fname, "../../conf/files");
240openit:
241	fp = fopen(fname, "r");
242	if (fp == 0) {
243		perror(fname);
244		exit(1);
245	}
246	if(ident == NULL) {
247		printf("no ident line specified\n");
248		exit(1);
249	}
250next:
251	/*
252	 * filename	[ standard | optional ] [ config-dependent ]
253	 *	[ dev* | profiling-routine ] [ device-driver] [ no-obj ]
254	 *	[ compile-with "compile rule" [no-implicit-rule] ]
255	 *      [ dependancy "dependancy-list"] [ before-depend ]
256	 */
257	wd = get_word(fp);
258	if (wd == (char *)EOF) {
259		(void) fclose(fp);
260		if (first == 1) {
261			(void) sprintf(fname, "files.%s", machinename);
262			first++;
263			goto openit;
264		}
265		if (first == 2) {
266			(void) sprintf(fname, "files.%s", raise(ident));
267			first++;
268			fp = fopen(fname, "r");
269			if (fp != 0)
270				goto next;
271		}
272		return;
273	}
274	if (wd == 0)
275		goto next;
276	/*************************************************\
277	* If it's a comment ignore to the end of the line *
278	\*************************************************/
279	if(wd[0] == '#')
280	{
281		while( ((wd = get_word(fp)) != (char *)EOF) && wd)
282		;
283		goto next;
284	}
285	this = ns(wd);
286	next_word(fp, wd);
287	if (wd == 0) {
288		printf("%s: No type for %s.\n",
289		    fname, this);
290		exit(1);
291	}
292	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
293		isdup = 1;
294	else
295		isdup = 0;
296	tp = 0;
297	if (first == 3 && (tp = fltail_lookup(this)) != 0)
298		printf("%s: Local file %s overrides %s.\n",
299		    fname, this, tp->f_fn);
300	nreqs = 0;
301	special = 0;
302	depends = 0;
303	configdep = 0;
304	needs = 0;
305	std = 0;
306	imp_rule = 0;
307	no_obj = 0;
308	before_depend = 0;
309	filetype = NORMAL;
310	if (eq(wd, "standard"))
311		std = 1;
312	else if (!eq(wd, "optional")) {
313		printf("%s: %s must be optional or standard\n", fname, this);
314		exit(1);
315	}
316nextparam:
317	next_word(fp, wd);
318	if (wd == 0)
319		goto doneparam;
320	if (eq(wd, "config-dependent")) {
321		configdep++;
322		goto nextparam;
323	}
324	if (eq(wd, "no-obj")) {
325		no_obj++;
326		goto nextparam;
327	}
328	if (eq(wd, "no-implicit-rule")) {
329		if (special == 0) {
330			printf("%s: alternate rule required when "
331			       "\"no-implicit-rule\" is specified.\n",
332			       fname);
333		}
334		imp_rule++;
335		goto nextparam;
336	}
337	if (eq(wd, "before-depend")) {
338		before_depend++;
339		goto nextparam;
340	}
341	if (eq(wd, "dependancy")) {
342		next_quoted_word(fp, wd);
343		if (wd == 0) {
344			printf("%s: %s missing compile command string.\n",
345			       fname);
346			exit(1);
347		}
348		depends = ns(wd);
349		goto nextparam;
350	}
351	if (eq(wd, "no-obj")) {
352		no_obj++;
353		goto nextparam;
354	}
355	if (eq(wd, "no-implicit-rule")) {
356		if (special == 0) {
357			printf("%s: alternate rule required when "
358			       "\"no-implicit-rule\" is specified.\n",
359			       fname);
360		}
361		imp_rule++;
362		goto nextparam;
363	}
364	if (eq(wd, "dependancy")) {
365		next_quoted_word(fp, wd);
366		if (wd == 0) {
367			printf("%s: %s missing compile command string.\n",
368			       fname);
369			exit(1);
370		}
371		depends = ns(wd);
372		goto nextparam;
373	}
374	if (eq(wd, "compile-with")) {
375		next_quoted_word(fp, wd);
376		if (wd == 0) {
377			printf("%s: %s missing compile command string.\n",
378			       fname);
379			exit(1);
380		}
381		special = ns(wd);
382		goto nextparam;
383	}
384	nreqs++;
385	if (eq(wd, "device-driver")) {
386		filetype = DRIVER;
387		goto nextparam;
388	}
389	if (eq(wd, "profiling-routine")) {
390		filetype = PROFILING;
391		goto nextparam;
392	}
393	if (needs == 0 && nreqs == 1)
394		needs = ns(wd);
395	if (isdup)
396		goto invis;
397	for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
398		if (eq(dp->d_name, wd)) {
399			if (std && dp->d_type == PSEUDO_DEVICE &&
400			    dp->d_slave <= 0)
401				dp->d_slave = 1;
402			goto nextparam;
403		}
404	if (std) {
405		dp = (struct device *) malloc(sizeof *dp);
406		init_dev(dp);
407		dp->d_name = ns(wd);
408		dp->d_type = PSEUDO_DEVICE;
409		dp->d_slave = 1;
410		save_dp->d_next = dp;
411		goto nextparam;
412	}
413	for (op = opt; op != 0; op = op->op_next)
414		if (op->op_value == 0 && opteq(op->op_name, wd)) {
415			if (nreqs == 1) {
416				free(needs);
417				needs = 0;
418			}
419			goto nextparam;
420		}
421invis:
422	while ((wd = get_word(fp)) != 0)
423		;
424	if (tp == 0)
425		tp = new_fent();
426	tp->f_fn = this;
427	tp->f_type = INVISIBLE;
428	tp->f_needs = needs;
429	tp->f_flags = isdup;
430	tp->f_special = special;
431	tp->f_depends = depends;
432	goto next;
433
434doneparam:
435	if (std == 0 && nreqs == 0) {
436		printf("%s: what is %s optional on?\n",
437		    fname, this);
438		exit(1);
439	}
440
441save:
442	if (wd) {
443		printf("%s: syntax error describing %s\n",
444		    fname, this);
445		exit(1);
446	}
447	if (filetype == PROFILING && profiling == 0)
448		goto next;
449	if (tp == 0)
450		tp = new_fent();
451	tp->f_fn = this;
452	tp->f_type = filetype;
453	tp->f_flags = 0;
454	if (configdep)
455		tp->f_flags |= CONFIGDEP;
456	if (imp_rule)
457		tp->f_flags |= NO_IMPLCT_RULE;
458	if (no_obj)
459		tp->f_flags |= NO_OBJ;
460	if (before_depend)
461		tp->f_flags |= BEFORE_DEPEND;
462	if (imp_rule)
463		tp->f_flags |= NO_IMPLCT_RULE;
464	if (no_obj)
465		tp->f_flags |= NO_OBJ;
466	tp->f_needs = needs;
467	tp->f_special = special;
468	tp->f_depends = depends;
469	if (pf && pf->f_type == INVISIBLE)
470		pf->f_flags = 1;		/* mark as duplicate */
471	goto next;
472}
473
474opteq(cp, dp)
475	char *cp, *dp;
476{
477	char c, d;
478
479	for (; ; cp++, dp++) {
480		if (*cp != *dp) {
481			c = isupper(*cp) ? tolower(*cp) : *cp;
482			d = isupper(*dp) ? tolower(*dp) : *dp;
483			if (c != d)
484				return (0);
485		}
486		if (*cp == 0)
487			return (1);
488	}
489}
490
491
492do_before_depend(fp)
493	FILE *fp;
494{
495	register struct file_list *tp, *fl;
496	register int lpos, len;
497	char swapname[32];
498
499	fputs("BEFORE_DEPEND=", fp);
500	lpos = 15;
501	for (tp = ftab; tp; tp = tp->f_next)
502		if (tp->f_flags & BEFORE_DEPEND) {
503			len = strlen(tp->f_fn);
504			if ((len = 3 + len) + lpos > 72) {
505				lpos = 8;
506				fputs("\\\n\t", fp);
507			}
508			if (tp->f_flags & NO_IMPLCT_RULE)
509				fprintf(fp, "%s ", tp->f_fn);
510			else
511				fprintf(fp, "$S/%s ", tp->f_fn);
512			lpos += len + 1;
513		}
514	if (lpos != 8)
515		putc('\n', fp);
516}
517
518do_objs(fp)
519	FILE *fp;
520{
521	register struct file_list *tp, *fl;
522	register int lpos, len;
523	register char *cp, och, *sp;
524	char swapname[32];
525
526	fprintf(fp, "OBJS=");
527	lpos = 6;
528	for (tp = ftab; tp != 0; tp = tp->f_next) {
529		if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
530			continue;
531		sp = tail(tp->f_fn);
532		for (fl = conf_list; fl; fl = fl->f_next) {
533			if (fl->f_type != SWAPSPEC)
534				continue;
535			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
536			if (eq(sp, swapname))
537				goto cont;
538		}
539		cp = sp + (len = strlen(sp)) - 1;
540		och = *cp;
541		*cp = 'o';
542		if (len + lpos > 72) {
543			lpos = 8;
544			fprintf(fp, "\\\n\t");
545		}
546		fprintf(fp, "%s ", sp);
547		lpos += len + 1;
548		*cp = och;
549cont:
550		;
551	}
552	if (lpos != 8)
553		putc('\n', fp);
554}
555
556do_cfiles(fp)
557	FILE *fp;
558{
559	register struct file_list *tp, *fl;
560	register int lpos, len;
561	char swapname[32];
562
563	fputs("CFILES=", fp);
564	lpos = 8;
565	for (tp = ftab; tp; tp = tp->f_next)
566		if (tp->f_type != INVISIBLE) {
567			len = strlen(tp->f_fn);
568			if (tp->f_fn[len - 1] != 'c')
569				continue;
570			if ((len = 3 + len) + lpos > 72) {
571				lpos = 8;
572				fputs("\\\n\t", fp);
573			}
574			fprintf(fp, "$S/%s ", tp->f_fn);
575			lpos += len + 1;
576		}
577	for (fl = conf_list; fl; fl = fl->f_next)
578		if (fl->f_type == SYSTEMSPEC) {
579			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
580			if ((len = 3 + strlen(swapname)) + lpos > 72) {
581				lpos = 8;
582				fputs("\\\n\t", fp);
583			}
584			if (eq(fl->f_fn, "generic"))
585				fprintf(fp, "$S/%s/%s/%s ",
586				    machinename, machinename, swapname);
587			else
588				fprintf(fp, "%s ", swapname);
589			lpos += len + 1;
590		}
591	if (lpos != 8)
592		putc('\n', fp);
593}
594
595char *
596tail(fn)
597	char *fn;
598{
599	register char *cp;
600
601	cp = rindex(fn, '/');
602	if (cp == 0)
603		return (fn);
604	return (cp+1);
605}
606
607/*
608 * Create the makerules for each file
609 * which is part of the system.
610 * Devices are processed with the special c2 option -i
611 * which avoids any problem areas with i/o addressing
612 * (e.g. for the VAX); assembler files are processed by as.
613 */
614do_rules(f)
615	FILE *f;
616{
617	register char *cp, *np, och, *tp;
618	register struct file_list *ftp;
619	char *special;
620
621	for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
622		if (ftp->f_type == INVISIBLE)
623			continue;
624		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
625		och = *cp;
626		if (ftp->f_flags & NO_IMPLCT_RULE) {
627			if (ftp->f_depends)
628				fprintf(f, "%s: %s\n", np, ftp->f_depends );
629			else
630				fprintf(f, "%s: \n", np );
631		}
632		else {
633			*cp = '\0';
634			if (och == 'o') {
635				fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
636					tail(np), np);
637				continue;
638			}
639			if (ftp->f_depends)
640				fprintf(f, "%so: $S/%s%c %s\n", tail(np),
641					np, och, ftp->f_depends);
642			else
643				fprintf(f, "%so: $S/%s%c\n", tail(np),
644					np, och);
645		}
646		tp = tail(np);
647		special = ftp->f_special;
648		if (special == 0) {
649			char *ftype;
650			static char cmd[128];
651
652			switch (ftp->f_type) {
653
654			case NORMAL:
655				ftype = "NORMAL";
656				break;
657
658			case DRIVER:
659				ftype = "DRIVER";
660				break;
661
662			case PROFILING:
663				if (!profiling)
664					continue;
665				ftype = "PROFILE";
666				break;
667
668			default:
669				printf("config: don't know rules for %s\n", np);
670				break;
671			}
672			(void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och),
673				      ftp->f_flags & CONFIGDEP? "_C" : "");
674			special = cmd;
675		}
676		*cp = och;
677		fprintf(f, "\t%s\n\n", special);
678	}
679}
680
681/*
682 * Create the load strings
683 */
684do_load(f)
685	register FILE *f;
686{
687	register struct file_list *fl;
688	register int first;
689	struct file_list *do_systemspec();
690
691	for (first = 1, fl = conf_list; fl; first = 0)
692		fl = fl->f_type == SYSTEMSPEC ?
693			do_systemspec(f, fl, first) : fl->f_next;
694	fputs("all:", f);
695	for (fl = conf_list; fl; fl = fl->f_next)
696		if (fl->f_type == SYSTEMSPEC)
697			fprintf(f, " %s", fl->f_needs);
698	putc('\n', f);
699}
700
701struct file_list *
702do_systemspec(f, fl, first)
703	FILE *f;
704	register struct file_list *fl;
705	int first;
706{
707
708	fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn);
709	if (first)
710		fprintf(f, " vers.o");
711	fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n");
712	fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn);
713	fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n");
714	do_swapspec(f, fl->f_fn);
715	for (fl = fl->f_next; fl; fl = fl->f_next)
716		if (fl->f_type != SWAPSPEC)
717			break;
718	return (fl);
719}
720
721do_swapspec(f, name)
722	FILE *f;
723	register char *name;
724{
725
726	if (!eq(name, "generic"))
727		fprintf(f, "swap%s.o: swap%s.c\n", name, name);
728	else
729		fprintf(f, "swapgeneric.o: $S/%s/%s/swapgeneric.c\n",
730			machinename, machinename);
731	fprintf(f, "\t${NORMAL_C}\n\n");
732}
733
734char *
735raise(str)
736	register char *str;
737{
738	register char *cp = str;
739
740	while (*str) {
741		if (islower(*str))
742			*str = toupper(*str);
743		str++;
744	}
745	return (cp);
746}
747
748