mkmakefile.c revision 9370 
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=-DMAXUSERS=%d\n", maxusers);
188	if (loadaddress != -1) {
189		fprintf(ofp, "LOAD_ADDRESS=%X\n", loadaddress);
190	}
191	for (op = mkopt; op; op = op->op_next)
192		fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
193	if (debugging)
194		fprintf(ofp, "DEBUG=-g\n");
195	if (profiling)
196		fprintf(ofp, "PROF=-pg\n");
197	while (fgets(line, BUFSIZ, ifp) != 0) {
198		if (*line != '%') {
199			fprintf(ofp, "%s", line);
200			continue;
201		}
202		if (eq(line, "%BEFORE_DEPEND\n"))
203			do_before_depend(ofp);
204		else if (eq(line, "%OBJS\n"))
205			do_objs(ofp);
206		else if (eq(line, "%CFILES\n"))
207			do_cfiles(ofp);
208		else if (eq(line, "%RULES\n"))
209			do_rules(ofp);
210		else if (eq(line, "%LOAD\n"))
211			do_load(ofp);
212		else if (eq(line, "%CLEAN\n"))
213			do_clean(ofp);
214		else
215			fprintf(stderr,
216			    "Unknown %% construct in generic makefile: %s",
217			    line);
218	}
219	(void) fclose(ifp);
220	(void) fclose(ofp);
221}
222
223/*
224 * Read in the information about files used in making the system.
225 * Store it in the ftab linked list.
226 */
227read_files()
228{
229	FILE *fp;
230	register struct file_list *tp, *pf;
231	register struct device *dp;
232	struct device *save_dp;
233	register struct opt *op;
234	char *wd, *this, *needs, *special, *depends, *clean;
235	char fname[32];
236	int nreqs, first = 1, configdep, isdup, std, filetype,
237	    imp_rule, no_obj, before_depend;
238
239	ftab = 0;
240	(void) strcpy(fname, "../../conf/files");
241openit:
242	fp = fopen(fname, "r");
243	if (fp == 0) {
244		perror(fname);
245		exit(1);
246	}
247	if(ident == NULL) {
248		printf("no ident line specified\n");
249		exit(1);
250	}
251next:
252	/*
253	 * filename	[ standard | optional ] [ config-dependent ]
254	 *	[ dev* | profiling-routine ] [ device-driver] [ no-obj ]
255	 *	[ compile-with "compile rule" [no-implicit-rule] ]
256	 *      [ dependency "dependency-list"] [ before-depend ]
257	 *	[ clean "file-list"]
258	 */
259	wd = get_word(fp);
260	if (wd == (char *)EOF) {
261		(void) fclose(fp);
262		if (first == 1) {
263			(void) sprintf(fname, "files.%s", machinename);
264			first++;
265			goto openit;
266		}
267		if (first == 2) {
268			(void) sprintf(fname, "files.%s", raise(ident));
269			first++;
270			fp = fopen(fname, "r");
271			if (fp != 0)
272				goto next;
273		}
274		return;
275	}
276	if (wd == 0)
277		goto next;
278	/*************************************************\
279	* If it's a comment ignore to the end of the line *
280	\*************************************************/
281	if(wd[0] == '#')
282	{
283		while( ((wd = get_word(fp)) != (char *)EOF) && wd)
284		;
285		goto next;
286	}
287	this = ns(wd);
288	next_word(fp, wd);
289	if (wd == 0) {
290		printf("%s: No type for %s.\n",
291		    fname, this);
292		exit(1);
293	}
294	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE || pf->f_flags))
295		isdup = 1;
296	else
297		isdup = 0;
298	tp = 0;
299	if (first == 3 && (tp = fltail_lookup(this)) != 0)
300		printf("%s: Local file %s overrides %s.\n",
301		    fname, this, tp->f_fn);
302	nreqs = 0;
303	special = 0;
304	depends = 0;
305	clean = 0;
306	configdep = 0;
307	needs = 0;
308	std = 0;
309	imp_rule = 0;
310	no_obj = 0;
311	before_depend = 0;
312	filetype = NORMAL;
313	if (eq(wd, "standard"))
314		std = 1;
315	else if (!eq(wd, "optional")) {
316		printf("%s: %s must be optional or standard\n", fname, this);
317		exit(1);
318	}
319nextparam:
320	next_word(fp, wd);
321	if (wd == 0)
322		goto doneparam;
323	if (eq(wd, "config-dependent")) {
324		configdep++;
325		goto nextparam;
326	}
327	if (eq(wd, "no-obj")) {
328		no_obj++;
329		goto nextparam;
330	}
331	if (eq(wd, "no-implicit-rule")) {
332		if (special == 0) {
333			printf("%s: alternate rule required when "
334			       "\"no-implicit-rule\" is specified.\n",
335			       fname);
336		}
337		imp_rule++;
338		goto nextparam;
339	}
340	if (eq(wd, "before-depend")) {
341		before_depend++;
342		goto nextparam;
343	}
344	if (eq(wd, "dependency")) {
345		next_quoted_word(fp, wd);
346		if (wd == 0) {
347			printf("%s: %s missing compile command string.\n",
348			       fname, this);
349			exit(1);
350		}
351		depends = ns(wd);
352		goto nextparam;
353	}
354	if (eq(wd, "clean")) {
355		next_quoted_word(fp, wd);
356		if (wd == 0) {
357			printf("%s: %s missing clean file list.\n",
358			       fname, this);
359			exit(1);
360		}
361		clean = ns(wd);
362		goto nextparam;
363	}
364	if (eq(wd, "compile-with")) {
365		next_quoted_word(fp, wd);
366		if (wd == 0) {
367			printf("%s: %s missing compile command string.\n",
368			       fname, this);
369			exit(1);
370		}
371		special = ns(wd);
372		goto nextparam;
373	}
374	nreqs++;
375	if (eq(wd, "device-driver")) {
376		filetype = DRIVER;
377		goto nextparam;
378	}
379	if (eq(wd, "profiling-routine")) {
380		filetype = PROFILING;
381		goto nextparam;
382	}
383	if (needs == 0 && nreqs == 1)
384		needs = ns(wd);
385	if (isdup)
386		goto invis;
387	for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
388		if (eq(dp->d_name, wd)) {
389			if (std && dp->d_type == PSEUDO_DEVICE &&
390			    dp->d_slave <= 0)
391				dp->d_slave = 1;
392			goto nextparam;
393		}
394	if (std) {
395		dp = (struct device *) malloc(sizeof *dp);
396		init_dev(dp);
397		dp->d_name = ns(wd);
398		dp->d_type = PSEUDO_DEVICE;
399		dp->d_slave = 1;
400		save_dp->d_next = dp;
401		goto nextparam;
402	}
403	for (op = opt; op != 0; op = op->op_next)
404		if (op->op_value == 0 && opteq(op->op_name, wd)) {
405			if (nreqs == 1) {
406				free(needs);
407				needs = 0;
408			}
409			goto nextparam;
410		}
411invis:
412	while ((wd = get_word(fp)) != 0)
413		;
414	if (tp == 0)
415		tp = new_fent();
416	tp->f_fn = this;
417	tp->f_type = INVISIBLE;
418	tp->f_needs = needs;
419	tp->f_flags = isdup;
420	tp->f_special = special;
421	tp->f_depends = depends;
422	tp->f_clean = clean;
423	goto next;
424
425doneparam:
426	if (std == 0 && nreqs == 0) {
427		printf("%s: what is %s optional on?\n",
428		    fname, this);
429		exit(1);
430	}
431
432save:
433	if (wd) {
434		printf("%s: syntax error describing %s\n",
435		    fname, this);
436		exit(1);
437	}
438	if (filetype == PROFILING && profiling == 0)
439		goto next;
440	if (tp == 0)
441		tp = new_fent();
442	tp->f_fn = this;
443	tp->f_type = filetype;
444	tp->f_flags = 0;
445	if (configdep)
446		tp->f_flags |= CONFIGDEP;
447	if (imp_rule)
448		tp->f_flags |= NO_IMPLCT_RULE;
449	if (no_obj)
450		tp->f_flags |= NO_OBJ;
451	if (before_depend)
452		tp->f_flags |= BEFORE_DEPEND;
453	if (imp_rule)
454		tp->f_flags |= NO_IMPLCT_RULE;
455	if (no_obj)
456		tp->f_flags |= NO_OBJ;
457	tp->f_needs = needs;
458	tp->f_special = special;
459	tp->f_depends = depends;
460	tp->f_clean = clean;
461	if (pf && pf->f_type == INVISIBLE)
462		pf->f_flags = 1;		/* mark as duplicate */
463	goto next;
464}
465
466opteq(cp, dp)
467	char *cp, *dp;
468{
469	char c, d;
470
471	for (; ; cp++, dp++) {
472		if (*cp != *dp) {
473			c = isupper(*cp) ? tolower(*cp) : *cp;
474			d = isupper(*dp) ? tolower(*dp) : *dp;
475			if (c != d)
476				return (0);
477		}
478		if (*cp == 0)
479			return (1);
480	}
481}
482
483do_before_depend(fp)
484	FILE *fp;
485{
486	register struct file_list *tp, *fl;
487	register int lpos, len;
488	char swapname[32];
489
490	fputs("BEFORE_DEPEND=", fp);
491	lpos = 15;
492	for (tp = ftab; tp; tp = tp->f_next)
493		if (tp->f_flags & BEFORE_DEPEND) {
494			len = strlen(tp->f_fn);
495			if ((len = 3 + len) + lpos > 72) {
496				lpos = 8;
497				fputs("\\\n\t", fp);
498			}
499			if (tp->f_flags & NO_IMPLCT_RULE)
500				fprintf(fp, "%s ", tp->f_fn);
501			else
502				fprintf(fp, "$S/%s ", tp->f_fn);
503			lpos += len + 1;
504		}
505	if (lpos != 8)
506		putc('\n', fp);
507}
508
509do_objs(fp)
510	FILE *fp;
511{
512	register struct file_list *tp, *fl;
513	register int lpos, len;
514	register char *cp, och, *sp;
515	char swapname[32];
516
517	fprintf(fp, "OBJS=");
518	lpos = 6;
519	for (tp = ftab; tp != 0; tp = tp->f_next) {
520		if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
521			continue;
522		sp = tail(tp->f_fn);
523		for (fl = conf_list; fl; fl = fl->f_next) {
524			if (fl->f_type != SWAPSPEC)
525				continue;
526			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
527			if (eq(sp, swapname))
528				goto cont;
529		}
530		cp = sp + (len = strlen(sp)) - 1;
531		och = *cp;
532		*cp = 'o';
533		if (len + lpos > 72) {
534			lpos = 8;
535			fprintf(fp, "\\\n\t");
536		}
537		fprintf(fp, "%s ", sp);
538		lpos += len + 1;
539		*cp = och;
540cont:
541		;
542	}
543	if (lpos != 8)
544		putc('\n', fp);
545}
546
547do_cfiles(fp)
548	FILE *fp;
549{
550	register struct file_list *tp, *fl;
551	register int lpos, len;
552	char swapname[32];
553
554	fputs("CFILES=", fp);
555	lpos = 8;
556	for (tp = ftab; tp; tp = tp->f_next)
557		if (tp->f_type != INVISIBLE) {
558			len = strlen(tp->f_fn);
559			if (tp->f_fn[len - 1] != 'c')
560				continue;
561			if ((len = 3 + len) + lpos > 72) {
562				lpos = 8;
563				fputs("\\\n\t", fp);
564			}
565			fprintf(fp, "$S/%s ", tp->f_fn);
566			lpos += len + 1;
567		}
568	for (fl = conf_list; fl; fl = fl->f_next)
569		if (fl->f_type == SYSTEMSPEC) {
570			(void) sprintf(swapname, "swap%s.c", fl->f_fn);
571			if ((len = 3 + strlen(swapname)) + lpos > 72) {
572				lpos = 8;
573				fputs("\\\n\t", fp);
574			}
575			if (eq(fl->f_fn, "generic"))
576				fprintf(fp, "$S/%s/%s/%s ",
577				    machinename, machinename, swapname);
578			else
579				fprintf(fp, "%s ", swapname);
580			lpos += len + 1;
581		}
582	if (lpos != 8)
583		putc('\n', fp);
584}
585
586char *
587tail(fn)
588	char *fn;
589{
590	register char *cp;
591
592	cp = rindex(fn, '/');
593	if (cp == 0)
594		return (fn);
595	return (cp+1);
596}
597
598/*
599 * Create the makerules for each file
600 * which is part of the system.
601 * Devices are processed with the special c2 option -i
602 * which avoids any problem areas with i/o addressing
603 * (e.g. for the VAX); assembler files are processed by as.
604 */
605do_rules(f)
606	FILE *f;
607{
608	register char *cp, *np, och, *tp;
609	register struct file_list *ftp;
610	char *special;
611
612	for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
613		if (ftp->f_type == INVISIBLE)
614			continue;
615		cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
616		och = *cp;
617		if (ftp->f_flags & NO_IMPLCT_RULE) {
618			if (ftp->f_depends)
619				fprintf(f, "%s: %s\n", np, ftp->f_depends );
620			else
621				fprintf(f, "%s: \n", np );
622		}
623		else {
624			*cp = '\0';
625			if (och == 'o') {
626				fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
627					tail(np), np);
628				continue;
629			}
630			if (ftp->f_depends)
631				fprintf(f, "%so: $S/%s%c %s\n", tail(np),
632					np, och, ftp->f_depends);
633			else
634				fprintf(f, "%so: $S/%s%c\n", tail(np),
635					np, och);
636		}
637		tp = tail(np);
638		special = ftp->f_special;
639		if (special == 0) {
640			char *ftype;
641			static char cmd[128];
642
643			switch (ftp->f_type) {
644
645			case NORMAL:
646				ftype = "NORMAL";
647				break;
648
649			case DRIVER:
650				ftype = "DRIVER";
651				break;
652
653			case PROFILING:
654				if (!profiling)
655					continue;
656				ftype = "PROFILE";
657				break;
658
659			default:
660				printf("config: don't know rules for %s\n", np);
661				break;
662			}
663			(void)sprintf(cmd, "${%s_%c%s}", ftype, toupper(och),
664				      ftp->f_flags & CONFIGDEP? "_C" : "");
665			special = cmd;
666		}
667		*cp = och;
668		fprintf(f, "\t%s\n\n", special);
669	}
670}
671
672/*
673 * Create the load strings
674 */
675do_load(f)
676	register FILE *f;
677{
678	register struct file_list *fl;
679	register int first;
680	struct file_list *do_systemspec();
681
682	for (first = 1, fl = conf_list; fl; first = 0)
683		fl = fl->f_type == SYSTEMSPEC ?
684			do_systemspec(f, fl, first) : fl->f_next;
685	fputs("all:", f);
686	for (fl = conf_list; fl; fl = fl->f_next)
687		if (fl->f_type == SYSTEMSPEC)
688			fprintf(f, " %s", fl->f_needs);
689	putc('\n', f);
690}
691
692do_clean(fp)
693	FILE *fp;
694{
695	register struct file_list *tp, *fl;
696	register int lpos, len;
697	char swapname[32];
698
699	fputs("CLEAN=", fp);
700	lpos = 7;
701	for (tp = ftab; tp; tp = tp->f_next)
702		if (tp->f_clean) {
703			len = strlen(tp->f_clean);
704			if (len + lpos > 72) {
705				lpos = 8;
706				fputs("\\\n\t", fp);
707			}
708			fprintf(fp, "%s ", tp->f_clean);
709			lpos += len + 1;
710		}
711	if (lpos != 8)
712		putc('\n', fp);
713}
714
715struct file_list *
716do_systemspec(f, fl, first)
717	FILE *f;
718	register struct file_list *fl;
719	int first;
720{
721
722	fprintf(f, "%s: ${SYSTEM_DEP} swap%s.o", fl->f_needs, fl->f_fn);
723	if (first)
724		fprintf(f, " vers.o");
725	fprintf(f, "\n\t${SYSTEM_LD_HEAD}\n");
726	fprintf(f, "\t${SYSTEM_LD} swap%s.o\n", fl->f_fn);
727	fprintf(f, "\t${SYSTEM_LD_TAIL}\n\n");
728	do_swapspec(f, fl->f_fn);
729	for (fl = fl->f_next; fl; fl = fl->f_next)
730		if (fl->f_type != SWAPSPEC)
731			break;
732	return (fl);
733}
734
735do_swapspec(f, name)
736	FILE *f;
737	register char *name;
738{
739
740	if (!eq(name, "generic"))
741		fprintf(f, "swap%s.o: swap%s.c\n", name, name);
742	else
743		fprintf(f, "swapgeneric.o: $S/%s/%s/swapgeneric.c\n",
744			machinename, machinename);
745	fprintf(f, "\t${NORMAL_C}\n\n");
746}
747
748char *
749raise(str)
750	register char *str;
751{
752	register char *cp = str;
753
754	while (*str) {
755		if (islower(*str))
756			*str = toupper(*str);
757		str++;
758	}
759	return (cp);
760}
761
762