install approved copyright notice
[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);
}