[unix-history] / usr / src / usr.sbin / config / mkmakefile.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)mkmakefile.c	5.21 (Berkeley) %G%";
#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; \
	}

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);
	fp->f_needs = 0;
	fp->f_next = 0;
	fp->f_flags = 0;
	fp->f_type = 0;
	if (fcur == 0)
		fcur = ftab = fp;
	else
		fcur->f_next = fp;
	fcur = fp;
	return (fp);
}

char	*COPTS;
static	struct users {
	int	u_default;
	int	u_min;
	int	u_max;
} users[] = {
	{ 24, 8, 1024 },		/* MACHINE_VAX */
	{ 4, 2, 128 },			/* MACHINE_TAHOE */
};
#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, "../conf/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\n",
	    timezone, dst, maxusers);
	for (op = mkopt; op; op = op->op_next)
		fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
	while (fgets(line, BUFSIZ, ifp) != 0) {
		if (*line == '%')
			goto percent;
		if (profiling && strncmp(line, "COPTS=", 6) == 0) {
			register char *cp;

			fprintf(ofp, 
			    "GPROF.EX=/usr/src/lib/libc/%s/csu/gmon.ex\n",
			    machinename);
			cp = index(line, '\n');
			if (cp)
				*cp = 0;
			cp = line + 6;
			while (*cp && (*cp == ' ' || *cp == '\t'))
				cp++;
			COPTS = malloc((unsigned)(strlen(cp) + 1));
			if (COPTS == 0) {
				printf("config: out of memory\n");
				exit(1);
			}
			strcpy(COPTS, cp);
			fprintf(ofp, "%s -pg\n", line);
			continue;
		}
		fprintf(ofp, "%s", line);
		continue;
	percent:
		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;
	register struct opt *op;
	char *wd, *this, *needs, *devorprof;
	char fname[32];
	int nreqs, first = 1, configdep, isdup;

	ftab = 0;
	(void) strcpy(fname, "files");
openit:
	fp = fopen(fname, "r");
	if (fp == 0) {
		perror(fname);
		exit(1);
	}
next:
	/*
	 * filename	[ standard | optional ] [ config-dependent ]
	 *	[ dev* | profiling-routine ] [ device-driver]
	 */
	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;
	devorprof = "";
	configdep = 0;
	needs = 0;
	if (eq(wd, "standard"))
		goto checkdev;
	if (!eq(wd, "optional")) {
		printf("%s: %s must be optional or standard\n", fname, this);
		exit(1);
	}
nextopt:
	next_word(fp, wd);
	if (wd == 0)
		goto doneopt;
	if (eq(wd, "config-dependent")) {
		configdep++;
		goto nextopt;
	}
	devorprof = wd;
	if (eq(wd, "device-driver") || eq(wd, "profiling-routine")) {
		next_word(fp, wd);
		goto save;
	}
	nreqs++;
	if (needs == 0 && nreqs == 1)
		needs = ns(wd);
	if (isdup)
		goto invis;
	for (dp = dtab; dp != 0; dp = dp->d_next)
		if (eq(dp->d_name, wd))
			goto nextopt;
	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 nextopt;
		}
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;
	goto next;

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

checkdev:
	if (wd) {
		next_word(fp, wd);
		if (wd) {
			if (eq(wd, "config-dependent")) {
				configdep++;
				goto checkdev;
			}
			devorprof = wd;
			next_word(fp, wd);
		}
	}

save:
	if (wd) {
		printf("%s: syntax error describing %s\n",
		    fname, this);
		exit(1);
	}
	if (eq(devorprof, "profiling-routine") && profiling == 0)
		goto next;
	if (tp == 0)
		tp = new_fent();
	tp->f_fn = this;
	if (eq(devorprof, "device-driver"))
		tp->f_type = DRIVER;
	else if (eq(devorprof, "profiling-routine"))
		tp->f_type = PROFILING;
	else
		tp->f_type = NORMAL;
	tp->f_flags = 0;
	if (configdep)
		tp->f_flags |= CONFIGDEP;
	tp->f_needs = needs;
	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 ", 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 ", 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 *extras;

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 ../%so .\n\n", tail(np), np);
		continue;
	}
	fprintf(f, "%so: ../%s%c\n", tail(np), np, och);
	tp = tail(np);
	if (och == 's') {
		fprintf(f, "\t-ln -s ../%ss %sc\n", np, tp);
		fprintf(f, "\t${CC} -E ${COPTS} %sc | ${AS} -o %so\n",
			tp, tp);
		fprintf(f, "\trm -f %sc\n\n", tp);
		continue;
	}
	if (ftp->f_flags & CONFIGDEP)
		extras = "${PARAM} ";
	else
		extras = "";
	switch (ftp->f_type) {

	case NORMAL:
		switch (machine) {

		case MACHINE_VAX:
		case MACHINE_TAHOE:
			fprintf(f, "\t${CC} -c -S ${COPTS} %s../%sc\n",
				extras, np);
			fprintf(f, "\t${C2} %ss | ${INLINE} | ${AS} -o %so\n",
			    tp, tp);
			fprintf(f, "\trm -f %ss\n\n", tp);
			break;
		}
		break;

	case DRIVER:
		switch (machine) {

		case MACHINE_VAX:
		case MACHINE_TAHOE:
			fprintf(f, "\t${CC} -c -S ${COPTS} %s../%sc\n",
				extras, np);
			fprintf(f,"\t${C2} -i %ss | ${INLINE} | ${AS} -o %so\n",
			    tp, tp);
			fprintf(f, "\trm -f %ss\n\n", tp);
			break;
		}
		break;

	case PROFILING:
		if (!profiling)
			continue;
		if (COPTS == 0) {
			fprintf(stderr,
			    "config: COPTS undefined in generic makefile");
			COPTS = "";
		}
		switch (machine) {

		case MACHINE_TAHOE:
			fprintf(f, "\t${CC} -c -S %s %s../%sc\n",
				COPTS, extras, np);
			fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
			fprintf(f,"\t${C2} %ss | ${INLINE} | ${AS} -o %so\n",
			    tp, tp);
			fprintf(f, "\trm -f %ss\n\n", tp);
			break;

		case MACHINE_VAX:
			fprintf(f, "\t${CC} -c -S %s %s../%sc\n",
				COPTS, extras, np);
			fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
			fprintf(f, "\t${INLINE} %ss | ${AS} -o %so\n", tp, tp);
			fprintf(f, "\trm -f %ss\n\n", tp);
			break;
		}
		break;

	default:
		printf("Don't know rules for %s\n", np);
		break;
	}
	*cp = och;
}
}

/*
 * 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: Makefile ../machine/symbols.sort", fl->f_needs);
	if (machine == MACHINE_VAX)
		fprintf(f, " ${INLINECMD} locore.o emulate.o");
	else if (machine == MACHINE_TAHOE)
		fprintf(f, " ${INLINE} locore.o");
	else
		fprintf(f, " locore.o");
	fprintf(f, " ${OBJS} param.o ioconf.o swap%s.o\n", fl->f_fn);
	fprintf(f, "\t@echo loading %s\n\t@rm -f %s\n",
	    fl->f_needs, fl->f_needs);
	if (first) {
		fprintf(f, "\t@sh ../conf/newvers.sh\n");
		fprintf(f, "\t@${CC} $(CFLAGS) -c vers.c\n");
	}
	switch (machine) {

	case MACHINE_VAX:
		fprintf(f, "\t@${LD} -n -o %s -e start -x -T 80000000 ",
			fl->f_needs);
		fprintf(f,
		    "locore.o emulate.o ${OBJS} vers.o ioconf.o param.o ");
		break;

	case MACHINE_TAHOE:
		fprintf(f, "\t@${LD} -n -o %s -e start -x -T C0000800 ",
			fl->f_needs);
		fprintf(f, "locore.o ${OBJS} vers.o ioconf.o param.o ");
		break;
	}
	fprintf(f, "swap%s.o\n", fl->f_fn);
	fprintf(f, "\t@echo rearranging symbols\n");
	fprintf(f, "\t@-symorder ../%s/symbols.sort %s\n",
	    machinename, fl->f_needs);
	fprintf(f, "\t@size %s\n", fl->f_needs);
	fprintf(f, "\t@chmod 755 %s\n\n", fl->f_needs);
	do_swapspec(f, fl->f_fn);
	for (fl = fl->f_next; fl->f_type == SWAPSPEC; fl = fl->f_next)
		;
	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);
		fprintf(f, "\t${CC} -c -O ${COPTS} swap%s.c\n\n", name);
		return;
	}
	fprintf(f, "swapgeneric.o: ../%s/swapgeneric.c\n", machinename);
	switch (machine) {

	case MACHINE_VAX:
	case MACHINE_TAHOE:
		fprintf(f, "\t${CC} -c -S ${COPTS} ");
		fprintf(f, "../%s/swapgeneric.c\n", machinename);
		fprintf(f, "\t${C2} swapgeneric.s | ${INLINE}");
		fprintf(f, " | ${AS} -o swapgeneric.o\n");
		fprintf(f, "\trm -f swapgeneric.s\n\n");
		break;
	}
}

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

	while (*str) {
		if (islower(*str))
			*str = toupper(*str);
		str++;
	}
	return (cp);
}
Commit	Line	Data
cd68466f DF	1	/*
cd68466f DF	2	* Copyright (c) 1980 Regents of the University of California.
86f9c1e9 KB	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms are permitted
b8c620d6 KB	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
cd68466f DF	16	*/
cd68466f DF	17
524aa063	18	#ifndef lint
b8c620d6	19	static char sccsid[] = "@(#)mkmakefile.c 5.21 (Berkeley) %G%";
86f9c1e9	20	#endif /* not lint */
28061b3f	21
01d17851	22	/*
28061b3f BJ	23	* Build the makefile for the system, from
	24	* the information in the files files and the
	25	* additional files for the machine being compiled to.
01d17851 MT	26	*/
	27
	28	#include <stdio.h>
d5429061	29	#include <ctype.h>
01d17851 MT	30	#include "y.tab.h"
	31	#include "config.h"
	32
28061b3f BJ	33	#define next_word(fp, wd) \
28061b3f BJ	34	{ register char *word = get_word(fp); \
22d68ad0 BJ	35	if (word == (char *)EOF) \
22d68ad0 BJ	36	return; \
28061b3f BJ	37	else \
	38	wd = word; \
	39	}
01d17851	40
28061b3f	41	static struct file_list *fcur;
15eb15d7	42	char *tail();
01d17851 MT	43
01d17851 MT	44	/*
e3dad45e	45	* Lookup a file, by name.
01d17851	46	*/
28061b3f BJ	47	struct file_list *
	48	fl_lookup(file)
	49	register char *file;
01d17851	50	{
28061b3f BJ	51	register struct file_list *fp;
28061b3f BJ	52
22d68ad0	53	for (fp = ftab ; fp != 0; fp = fp->f_next) {
28061b3f BJ	54	if (eq(fp->f_fn, file))
	55	return (fp);
	56	}
	57	return (0);
01d17851 MT	58	}
01d17851 MT	59
15eb15d7 KM	60	/*
	61	* Lookup a file, by final component name.
	62	*/
	63	struct file_list *
	64	fltail_lookup(file)
	65	register char *file;
	66	{
	67	register struct file_list *fp;
	68
	69	for (fp = ftab ; fp != 0; fp = fp->f_next) {
	70	if (eq(tail(fp->f_fn), tail(file)))
	71	return (fp);
	72	}
	73	return (0);
	74	}
	75
01d17851	76	/*
28061b3f	77	* Make a new file list entry
01d17851	78	*/
28061b3f BJ	79	struct file_list *
28061b3f BJ	80	new_fent()
01d17851	81	{
28061b3f BJ	82	register struct file_list *fp;
	83
	84	fp = (struct file_list ) malloc(sizeof fp);
22d68ad0 BJ	85	fp->f_needs = 0;
22d68ad0 BJ	86	fp->f_next = 0;
3c812eeb SL	87	fp->f_flags = 0;
3c812eeb SL	88	fp->f_type = 0;
22d68ad0	89	if (fcur == 0)
28061b3f BJ	90	fcur = ftab = fp;
	91	else
	92	fcur->f_next = fp;
	93	fcur = fp;
	94	return (fp);
01d17851 MT	95	}
01d17851 MT	96
28061b3f	97	char *COPTS;
18d7531d SL	98	static struct users {
	99	int u_default;
	100	int u_min;
	101	int u_max;
	102	} users[] = {
	103	{ 24, 8, 1024 }, /* MACHINE_VAX */
a0105456	104	{ 4, 2, 128 }, /* MACHINE_TAHOE */
18d7531d SL	105	};
18d7531d SL	106	#define NUSERS (sizeof (users) / sizeof (users[0]))
28061b3f	107
01d17851	108	/*
28061b3f	109	* Build the makefile from the skeleton
01d17851	110	*/
01d17851 MT	111	makefile()
01d17851 MT	112	{
28061b3f BJ	113	FILE ifp, ofp;
	114	char line[BUFSIZ];
	115	struct opt *op;
18d7531d	116	struct users *up;
28061b3f BJ	117
28061b3f BJ	118	read_files();
05b83a6c	119	strcpy(line, "../conf/Makefile.");
22d68ad0	120	(void) strcat(line, machinename);
28061b3f	121	ifp = fopen(line, "r");
22d68ad0	122	if (ifp == 0) {
28061b3f BJ	123	perror(line);
	124	exit(1);
	125	}
05b83a6c	126	ofp = fopen(path("Makefile"), "w");
22d68ad0	127	if (ofp == 0) {
05b83a6c	128	perror(path("Makefile"));
28061b3f BJ	129	exit(1);
	130	}
	131	fprintf(ofp, "IDENT=-D%s", raise(ident));
	132	if (profiling)
	133	fprintf(ofp, " -DGPROF");
	134	if (cputype == 0) {
	135	printf("cpu type must be specified\n");
	136	exit(1);
	137	}
	138	{ struct cputype *cp;
	139	for (cp = cputype; cp; cp = cp->cpu_next)
	140	fprintf(ofp, " -D%s", cp->cpu_name);
	141	}
	142	for (op = opt; op; op = op->op_next)
	143	if (op->op_value)
	144	fprintf(ofp, " -D%s=\"%s\"", op->op_name, op->op_value);
	145	else
	146	fprintf(ofp, " -D%s", op->op_name);
	147	fprintf(ofp, "\n");
	148	if (hadtz == 0)
	149	printf("timezone not specified; gmt assumed\n");
18d7531d SL	150	if ((unsigned)machine > NUSERS) {
	151	printf("maxusers config info isn't present, using vax\n");
	152	up = &users[MACHINE_VAX-1];
	153	} else
	154	up = &users[machine-1];
28061b3f	155	if (maxusers == 0) {
18d7531d SL	156	printf("maxusers not specified; %d assumed\n", up->u_default);
	157	maxusers = up->u_default;
	158	} else if (maxusers < up->u_min) {
	159	printf("minimum of %d maxusers assumed\n", up->u_min);
	160	maxusers = up->u_min;
	161	} else if (maxusers > up->u_max)
	162	printf("warning: maxusers > %d (%d)\n", up->u_max, maxusers);
28061b3f BJ	163	fprintf(ofp, "PARAM=-DTIMEZONE=%d -DDST=%d -DMAXUSERS=%d\n",
28061b3f BJ	164	timezone, dst, maxusers);
7c1d4665 MK	165	for (op = mkopt; op; op = op->op_next)
7c1d4665 MK	166	fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
22d68ad0	167	while (fgets(line, BUFSIZ, ifp) != 0) {
28061b3f BJ	168	if (*line == '%')
	169	goto percent;
	170	if (profiling && strncmp(line, "COPTS=", 6) == 0) {
	171	register char *cp;
	172
0356b29c SL	173	fprintf(ofp,
	174	"GPROF.EX=/usr/src/lib/libc/%s/csu/gmon.ex\n",
	175	machinename);
28061b3f BJ	176	cp = index(line, '\n');
	177	if (cp)
	178	*cp = 0;
	179	cp = line + 6;
	180	while (cp && (cp == ' ' \|\| *cp == '\t'))
	181	cp++;
22d68ad0	182	COPTS = malloc((unsigned)(strlen(cp) + 1));
28061b3f	183	if (COPTS == 0) {
f2db9eb7	184	printf("config: out of memory\n");
28061b3f BJ	185	exit(1);
	186	}
	187	strcpy(COPTS, cp);
	188	fprintf(ofp, "%s -pg\n", line);
	189	continue;
8486638c	190	}
28061b3f	191	fprintf(ofp, "%s", line);
8486638c	192	continue;
28061b3f BJ	193	percent:
	194	if (eq(line, "%OBJS\n"))
	195	do_objs(ofp);
	196	else if (eq(line, "%CFILES\n"))
	197	do_cfiles(ofp);
	198	else if (eq(line, "%RULES\n"))
	199	do_rules(ofp);
	200	else if (eq(line, "%LOAD\n"))
	201	do_load(ofp);
	202	else
	203	fprintf(stderr,
	204	"Unknown %% construct in generic makefile: %s",
	205	line);
01d17851	206	}
73845e07 SL	207	(void) fclose(ifp);
73845e07 SL	208	(void) fclose(ofp);
01d17851 MT	209	}
	210
	211	/*
28061b3f BJ	212	* Read in the information about files used in making the system.
28061b3f BJ	213	* Store it in the ftab linked list.
01d17851	214	*/
01d17851 MT	215	read_files()
01d17851 MT	216	{
28061b3f	217	FILE *fp;
e3dad45e	218	register struct file_list tp, pf;
28061b3f	219	register struct device *dp;
05b83a6c	220	register struct opt *op;
28061b3f BJ	221	char wd, this, needs, devorprof;
28061b3f BJ	222	char fname[32];
05b83a6c	223	int nreqs, first = 1, configdep, isdup;
28061b3f	224
22d68ad0 BJ	225	ftab = 0;
22d68ad0 BJ	226	(void) strcpy(fname, "files");
28061b3f BJ	227	openit:
28061b3f BJ	228	fp = fopen(fname, "r");
22d68ad0	229	if (fp == 0) {
73845e07	230	perror(fname);
28061b3f BJ	231	exit(1);
	232	}
	233	next:
3c812eeb SL	234	/*
	235	* filename [ standard \| optional ] [ config-dependent ]
	236	* [ dev* \| profiling-routine ] [ device-driver]
	237	*/
28061b3f	238	wd = get_word(fp);
22d68ad0 BJ	239	if (wd == (char *)EOF) {
22d68ad0 BJ	240	(void) fclose(fp);
15eb15d7	241	if (first == 1) {
22d68ad0	242	(void) sprintf(fname, "files.%s", machinename);
15eb15d7	243	first++;
28061b3f BJ	244	goto openit;
28061b3f BJ	245	}
15eb15d7 KM	246	if (first == 2) {
	247	(void) sprintf(fname, "files.%s", raise(ident));
	248	first++;
	249	fp = fopen(fname, "r");
	250	if (fp != 0)
	251	goto next;
	252	}
28061b3f BJ	253	return;
28061b3f BJ	254	}
22d68ad0	255	if (wd == 0)
28061b3f	256	goto next;
01d17851	257	this = ns(wd);
01d17851	258	next_word(fp, wd);
22d68ad0	259	if (wd == 0) {
f2db9eb7	260	printf("%s: No type for %s.\n",
28061b3f BJ	261	fname, this);
28061b3f BJ	262	exit(1);
01d17851	263	}
e3dad45e	264	if ((pf = fl_lookup(this)) && (pf->f_type != INVISIBLE \|\| pf->f_flags))
05b83a6c MK	265	isdup = 1;
	266	else
	267	isdup = 0;
15eb15d7 KM	268	tp = 0;
	269	if (first == 3 && (tp = fltail_lookup(this)) != 0)
	270	printf("%s: Local file %s overrides %s.\n",
	271	fname, this, tp->f_fn);
28061b3f BJ	272	nreqs = 0;
28061b3f BJ	273	devorprof = "";
3c812eeb	274	configdep = 0;
28061b3f BJ	275	needs = 0;
	276	if (eq(wd, "standard"))
	277	goto checkdev;
	278	if (!eq(wd, "optional")) {
3c812eeb	279	printf("%s: %s must be optional or standard\n", fname, this);
28061b3f BJ	280	exit(1);
	281	}
	282	nextopt:
	283	next_word(fp, wd);
22d68ad0	284	if (wd == 0)
28061b3f	285	goto doneopt;
3c812eeb SL	286	if (eq(wd, "config-dependent")) {
	287	configdep++;
	288	goto nextopt;
	289	}
28061b3f	290	devorprof = wd;
73845e07 SL	291	if (eq(wd, "device-driver") \|\| eq(wd, "profiling-routine")) {
73845e07 SL	292	next_word(fp, wd);
28061b3f	293	goto save;
73845e07	294	}
28061b3f	295	nreqs++;
05b83a6c	296	if (needs == 0 && nreqs == 1)
28061b3f	297	needs = ns(wd);
05b83a6c MK	298	if (isdup)
05b83a6c MK	299	goto invis;
22d68ad0	300	for (dp = dtab; dp != 0; dp = dp->d_next)
28061b3f BJ	301	if (eq(dp->d_name, wd))
28061b3f BJ	302	goto nextopt;
05b83a6c MK	303	for (op = opt; op != 0; op = op->op_next)
	304	if (op->op_value == 0 && opteq(op->op_name, wd)) {
	305	if (nreqs == 1) {
	306	free(needs);
	307	needs = 0;
	308	}
	309	goto nextopt;
	310	}
	311	invis:
22d68ad0	312	while ((wd = get_word(fp)) != 0)
28061b3f	313	;
92a477cd MK	314	if (tp == 0)
92a477cd MK	315	tp = new_fent();
01d17851	316	tp->f_fn = this;
28061b3f BJ	317	tp->f_type = INVISIBLE;
28061b3f BJ	318	tp->f_needs = needs;
05b83a6c	319	tp->f_flags = isdup;
28061b3f	320	goto next;
3c812eeb	321
28061b3f BJ	322	doneopt:
28061b3f BJ	323	if (nreqs == 0) {
f2db9eb7	324	printf("%s: what is %s optional on?\n",
28061b3f BJ	325	fname, this);
	326	exit(1);
	327	}
3c812eeb	328
28061b3f BJ	329	checkdev:
28061b3f BJ	330	if (wd) {
2fcca161	331	next_word(fp, wd);
3c812eeb SL	332	if (wd) {
	333	if (eq(wd, "config-dependent")) {
	334	configdep++;
	335	goto checkdev;
	336	}
28061b3f BJ	337	devorprof = wd;
28061b3f BJ	338	next_word(fp, wd);
2fcca161	339	}
01d17851	340	}
3c812eeb	341
28061b3f	342	save:
3c812eeb	343	if (wd) {
f2db9eb7	344	printf("%s: syntax error describing %s\n",
28061b3f BJ	345	fname, this);
28061b3f BJ	346	exit(1);
2fcca161	347	}
73845e07 SL	348	if (eq(devorprof, "profiling-routine") && profiling == 0)
73845e07 SL	349	goto next;
92a477cd MK	350	if (tp == 0)
92a477cd MK	351	tp = new_fent();
28061b3f BJ	352	tp->f_fn = this;
28061b3f BJ	353	if (eq(devorprof, "device-driver"))
3c812eeb	354	tp->f_type = DRIVER;
28061b3f BJ	355	else if (eq(devorprof, "profiling-routine"))
	356	tp->f_type = PROFILING;
	357	else
	358	tp->f_type = NORMAL;
3c812eeb SL	359	tp->f_flags = 0;
	360	if (configdep)
	361	tp->f_flags \|= CONFIGDEP;
28061b3f	362	tp->f_needs = needs;
e3dad45e MK	363	if (pf && pf->f_type == INVISIBLE)
e3dad45e MK	364	pf->f_flags = 1; /* mark as duplicate */
28061b3f	365	goto next;
01d17851 MT	366	}
01d17851 MT	367
05b83a6c MK	368	opteq(cp, dp)
	369	char cp, dp;
	370	{
	371	char c, d;
	372
	373	for (; ; cp++, dp++) {
	374	if (cp != dp) {
	375	c = isupper(cp) ? tolower(cp) : *cp;
	376	d = isupper(dp) ? tolower(dp) : *dp;
	377	if (c != d)
	378	return (0);
	379	}
	380	if (*cp == 0)
	381	return (1);
	382	}
	383	}
	384
01d17851	385	do_objs(fp)
28061b3f	386	FILE *fp;
01d17851	387	{
15eb15d7	388	register struct file_list tp, fl;
28061b3f BJ	389	register int lpos, len;
28061b3f BJ	390	register char cp, och, sp;
15eb15d7	391	char swapname[32];
28061b3f BJ	392
	393	fprintf(fp, "OBJS=");
	394	lpos = 6;
22d68ad0	395	for (tp = ftab; tp != 0; tp = tp->f_next) {
28061b3f BJ	396	if (tp->f_type == INVISIBLE)
	397	continue;
	398	sp = tail(tp->f_fn);
36edb824 SL	399	for (fl = conf_list; fl; fl = fl->f_next) {
	400	if (fl->f_type != SWAPSPEC)
	401	continue;
9bd38ba8	402	(void) sprintf(swapname, "swap%s.c", fl->f_fn);
15eb15d7 KM	403	if (eq(sp, swapname))
	404	goto cont;
	405	}
28061b3f BJ	406	cp = sp + (len = strlen(sp)) - 1;
	407	och = *cp;
	408	*cp = 'o';
	409	if (len + lpos > 72) {
	410	lpos = 8;
	411	fprintf(fp, "\\\n\t");
	412	}
	413	fprintf(fp, "%s ", sp);
	414	lpos += len + 1;
	415	*cp = och;
36edb824 SL	416	cont:
36edb824 SL	417	;
01d17851	418	}
28061b3f BJ	419	if (lpos != 8)
28061b3f BJ	420	putc('\n', fp);
01d17851 MT	421	}
01d17851 MT	422
01d17851	423	do_cfiles(fp)
28061b3f	424	FILE *fp;
01d17851	425	{
36e6aa7b	426	register struct file_list tp, fl;
28061b3f	427	register int lpos, len;
36e6aa7b	428	char swapname[32];
28061b3f	429
36e6aa7b	430	fputs("CFILES=", fp);
28061b3f	431	lpos = 8;
36e6aa7b KB	432	for (tp = ftab; tp; tp = tp->f_next)
	433	if (tp->f_type != INVISIBLE) {
	434	len = strlen(tp->f_fn);
	435	if (tp->f_fn[len - 1] != 'c')
	436	continue;
	437	if ((len = 3 + len) + lpos > 72) {
	438	lpos = 8;
	439	fputs("\\\n\t", fp);
	440	}
	441	fprintf(fp, "../%s ", tp->f_fn);
	442	lpos += len + 1;
	443	}
	444	for (fl = conf_list; fl; fl = fl->f_next)
	445	if (fl->f_type == SYSTEMSPEC) {
9bd38ba8	446	(void) sprintf(swapname, "swap%s.c", fl->f_fn);
36e6aa7b KB	447	if ((len = 3 + strlen(swapname)) + lpos > 72) {
	448	lpos = 8;
	449	fputs("\\\n\t", fp);
	450	}
f4970b85 MK	451	if (eq(fl->f_fn, "generic"))
	452	fprintf(fp, "../%s/%s ", machinename, swapname);
	453	else
	454	fprintf(fp, "%s ", swapname);
36e6aa7b	455	lpos += len + 1;
28061b3f	456	}
28061b3f BJ	457	if (lpos != 8)
28061b3f BJ	458	putc('\n', fp);
01d17851 MT	459	}
01d17851 MT	460
28061b3f BJ	461	char *
	462	tail(fn)
	463	char *fn;
01d17851	464	{
28061b3f	465	register char *cp;
01d17851	466
28061b3f	467	cp = rindex(fn, '/');
15eb15d7 KM	468	if (cp == 0)
15eb15d7 KM	469	return (fn);
28061b3f	470	return (cp+1);
01d17851 MT	471	}
	472
	473	/*
28061b3f BJ	474	* Create the makerules for each file
	475	* which is part of the system.
	476	* Devices are processed with the special c2 option -i
	477	* which avoids any problem areas with i/o addressing
	478	* (e.g. for the VAX); assembler files are processed by as.
01d17851	479	*/
01d17851	480	do_rules(f)
28061b3f	481	FILE *f;
01d17851	482	{
28061b3f BJ	483	register char cp, np, och, *tp;
28061b3f BJ	484	register struct file_list *ftp;
3c812eeb	485	char *extras;
01d17851	486
22d68ad0	487	for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
01d17851	488	if (ftp->f_type == INVISIBLE)
28061b3f	489	continue;
01d17851 MT	490	cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
	491	och = *cp;
	492	*cp = '\0';
fb547c4b	493	if (och == 'o') {
a1c4ec7d	494	fprintf(f, "%so:\n\t-cp ../%so .\n\n", tail(np), np);
fb547c4b MK	495	continue;
fb547c4b MK	496	}
01d17851 MT	497	fprintf(f, "%so: ../%s%c\n", tail(np), np, och);
01d17851 MT	498	tp = tail(np);
28061b3f	499	if (och == 's') {
cd42919c	500	fprintf(f, "\t-ln -s ../%ss %sc\n", np, tp);
46e3cd06	501	fprintf(f, "\t${CC} -E ${COPTS} %sc \| ${AS} -o %so\n",
cd42919c KM	502	tp, tp);
cd42919c KM	503	fprintf(f, "\trm -f %sc\n\n", tp);
28061b3f	504	continue;
01d17851	505	}
3c812eeb SL	506	if (ftp->f_flags & CONFIGDEP)
	507	extras = "${PARAM} ";
	508	else
	509	extras = "";
28061b3f BJ	510	switch (ftp->f_type) {
	511
	512	case NORMAL:
	513	switch (machine) {
	514
	515	case MACHINE_VAX:
a0105456	516	case MACHINE_TAHOE:
46e3cd06	517	fprintf(f, "\t${CC} -c -S ${COPTS} %s../%sc\n",
3c812eeb	518	extras, np);
18d7531d SL	519	fprintf(f, "\t${C2} %ss \| ${INLINE} \| ${AS} -o %so\n",
18d7531d SL	520	tp, tp);
28061b3f BJ	521	fprintf(f, "\trm -f %ss\n\n", tp);
28061b3f BJ	522	break;
28061b3f BJ	523	}
	524	break;
	525
3c812eeb	526	case DRIVER:
28061b3f BJ	527	switch (machine) {
	528
	529	case MACHINE_VAX:
a0105456	530	case MACHINE_TAHOE:
46e3cd06	531	fprintf(f, "\t${CC} -c -S ${COPTS} %s../%sc\n",
3c812eeb	532	extras, np);
18d7531d SL	533	fprintf(f,"\t${C2} -i %ss \| ${INLINE} \| ${AS} -o %so\n",
18d7531d SL	534	tp, tp);
28061b3f BJ	535	fprintf(f, "\trm -f %ss\n\n", tp);
28061b3f BJ	536	break;
28061b3f BJ	537	}
	538	break;
	539
	540	case PROFILING:
8486638c SL	541	if (!profiling)
	542	continue;
	543	if (COPTS == 0) {
	544	fprintf(stderr,
28061b3f	545	"config: COPTS undefined in generic makefile");
8486638c SL	546	COPTS = "";
8486638c SL	547	}
28061b3f BJ	548	switch (machine) {
28061b3f BJ	549
a0105456 SL	550	case MACHINE_TAHOE:
	551	fprintf(f, "\t${CC} -c -S %s %s../%sc\n",
	552	COPTS, extras, np);
	553	fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
	554	fprintf(f,"\t${C2} %ss \| ${INLINE} \| ${AS} -o %so\n",
	555	tp, tp);
	556	fprintf(f, "\trm -f %ss\n\n", tp);
	557	break;
	558
28061b3f	559	case MACHINE_VAX:
46e3cd06	560	fprintf(f, "\t${CC} -c -S %s %s../%sc\n",
3c812eeb	561	COPTS, extras, np);
c7456392	562	fprintf(f, "\tex - %ss < ${GPROF.EX}\n", tp);
18d7531d	563	fprintf(f, "\t${INLINE} %ss \| ${AS} -o %so\n", tp, tp);
28061b3f BJ	564	fprintf(f, "\trm -f %ss\n\n", tp);
28061b3f BJ	565	break;
28061b3f	566	}
73845e07	567	break;
28061b3f BJ	568
28061b3f BJ	569	default:
3c812eeb	570	printf("Don't know rules for %s\n", np);
28061b3f BJ	571	break;
28061b3f BJ	572	}
01d17851	573	*cp = och;
28061b3f	574	}
01d17851 MT	575	}
	576
	577	/*
	578	* Create the load strings
	579	*/
01d17851	580	do_load(f)
28061b3f	581	register FILE *f;
01d17851	582	{
28061b3f	583	register struct file_list *fl;
36e6aa7b	584	register int first;
36edb824	585	struct file_list *do_systemspec();
28061b3f	586
36e6aa7b KB	587	for (first = 1, fl = conf_list; fl; first = 0)
	588	fl = fl->f_type == SYSTEMSPEC ?
	589	do_systemspec(f, fl, first) : fl->f_next;
	590	fputs("all:", f);
	591	for (fl = conf_list; fl; fl = fl->f_next)
36edb824 SL	592	if (fl->f_type == SYSTEMSPEC)
36edb824 SL	593	fprintf(f, " %s", fl->f_needs);
36e6aa7b	594	putc('\n', f);
36edb824	595	}
28061b3f	596
36edb824 SL	597	struct file_list *
	598	do_systemspec(f, fl, first)
	599	FILE *f;
	600	register struct file_list *fl;
	601	int first;
	602	{
28061b3f	603
9e461fbb	604	fprintf(f, "%s: Makefile ../machine/symbols.sort", fl->f_needs);
22a93bf2	605	if (machine == MACHINE_VAX)
7a1cc178	606	fprintf(f, " ${INLINECMD} locore.o emulate.o");
22a93bf2 SL	607	else if (machine == MACHINE_TAHOE)
	608	fprintf(f, " ${INLINE} locore.o");
	609	else
	610	fprintf(f, " locore.o");
	611	fprintf(f, " ${OBJS} param.o ioconf.o swap%s.o\n", fl->f_fn);
36edb824 SL	612	fprintf(f, "\t@echo loading %s\n\t@rm -f %s\n",
	613	fl->f_needs, fl->f_needs);
	614	if (first) {
	615	fprintf(f, "\t@sh ../conf/newvers.sh\n");
	616	fprintf(f, "\t@${CC} $(CFLAGS) -c vers.c\n");
190b5698	617	}
36edb824	618	switch (machine) {
28061b3f	619
36edb824 SL	620	case MACHINE_VAX:
	621	fprintf(f, "\t@${LD} -n -o %s -e start -x -T 80000000 ",
	622	fl->f_needs);
a0105456 SL	623	fprintf(f,
	624	"locore.o emulate.o ${OBJS} vers.o ioconf.o param.o ");
	625	break;
	626
	627	case MACHINE_TAHOE:
	628	fprintf(f, "\t@${LD} -n -o %s -e start -x -T C0000800 ",
	629	fl->f_needs);
	630	fprintf(f, "locore.o ${OBJS} vers.o ioconf.o param.o ");
36edb824	631	break;
36edb824	632	}
36edb824 SL	633	fprintf(f, "swap%s.o\n", fl->f_fn);
	634	fprintf(f, "\t@echo rearranging symbols\n");
	635	fprintf(f, "\t@-symorder ../%s/symbols.sort %s\n",
	636	machinename, fl->f_needs);
	637	fprintf(f, "\t@size %s\n", fl->f_needs);
	638	fprintf(f, "\t@chmod 755 %s\n\n", fl->f_needs);
	639	do_swapspec(f, fl->f_fn);
	640	for (fl = fl->f_next; fl->f_type == SWAPSPEC; fl = fl->f_next)
	641	;
	642	return (fl);
	643	}
	644
	645	do_swapspec(f, name)
	646	FILE *f;
	647	register char *name;
	648	{
	649
	650	if (!eq(name, "generic")) {
	651	fprintf(f, "swap%s.o: swap%s.c\n", name, name);
46e3cd06	652	fprintf(f, "\t${CC} -c -O ${COPTS} swap%s.c\n\n", name);
36edb824 SL	653	return;
	654	}
	655	fprintf(f, "swapgeneric.o: ../%s/swapgeneric.c\n", machinename);
	656	switch (machine) {
	657
	658	case MACHINE_VAX:
a0105456	659	case MACHINE_TAHOE:
46e3cd06	660	fprintf(f, "\t${CC} -c -S ${COPTS} ");
36edb824	661	fprintf(f, "../%s/swapgeneric.c\n", machinename);
18d7531d	662	fprintf(f, "\t${C2} swapgeneric.s \| ${INLINE}");
36edb824 SL	663	fprintf(f, " \| ${AS} -o swapgeneric.o\n");
	664	fprintf(f, "\trm -f swapgeneric.s\n\n");
	665	break;
28061b3f	666	}
01d17851	667	}
d5429061	668
22d68ad0	669	char *
d5429061	670	raise(str)
28061b3f	671	register char *str;
d5429061	672	{
28061b3f BJ	673	register char *cp = str;
	674
	675	while (*str) {
	676	if (islower(*str))
	677	str = toupper(str);
	678	str++;
	679	}
	680	return (cp);
d5429061	681	}