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freebsd-dev/usr.sbin/config/mkmakefile.c
peter 38a232579c If a ${KERNEL}.hints file exists, and no hints are specified explicitly, 
then include the hints with a marker indicating that it is a fallback.
The kernel side of this is to come shortly.
2000-08-25 19:30:03 +00:00

835 lines
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/*
* Copyright (c) 1993, 19801990
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
#if 0
static char sccsid[] = "@(#)mkmakefile.c 8.1 (Berkeley) 6/6/93";
#endif
static const char rcsid[] =
"$FreeBSD$";
#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 <ctype.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#include "y.tab.h"
#include "config.h"
#include "configvers.h"
#define next_word(fp, wd) \
{ char *word = get_word(fp); \
if (word == (char *)EOF) \
return; \
else \
wd = word; \
}
#define next_quoted_word(fp, wd) \
{ char *word = get_quoted_word(fp); \
if (word == (char *)EOF) \
return; \
else \
wd = word; \
}
static struct file_list *fcur;
static char *tail(char *);
static void do_clean(FILE *);
static void do_rules(FILE *);
static void do_sfiles(FILE *);
static void do_mfiles(FILE *);
static void do_cfiles(FILE *);
static void do_objs(FILE *);
static void do_before_depend(FILE *);
static int opteq(char *, char *);
static void read_files(void);
/*
* Lookup a file, by name.
*/
static struct file_list *
fl_lookup(char *file)
{
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.
*/
static struct file_list *
fltail_lookup(char *file)
{
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
*/
static struct file_list *
new_fent(void)
{
struct file_list *fp;
fp = (struct file_list *) malloc(sizeof *fp);
bzero(fp, sizeof *fp);
if (fcur == 0)
fcur = ftab = fp;
else
fcur->f_next = fp;
fcur = fp;
return (fp);
}
/*
* Build the makefile from the skeleton
*/
void
makefile(void)
{
FILE *ifp, *ofp;
char line[BUFSIZ];
struct opt *op;
int versreq;
char *s;
read_files();
snprintf(line, sizeof(line), "../../conf/Makefile.%s", machinename);
ifp = fopen(line, "r");
if (ifp == 0) {
snprintf(line, sizeof(line), "Makefile.%s", machinename);
ifp = fopen(line, "r");
}
if (ifp == 0)
err(1, "%s", line);
ofp = fopen(path("Makefile.new"), "w");
if (ofp == 0)
err(1, "%s", path("Makefile.new"));
fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident));
fprintf(ofp, "IDENT=");
if (profiling)
fprintf(ofp, " -DGPROF");
if (cputype == 0) {
printf("cpu type must be specified\n");
exit(1);
}
fprintf(ofp, "\n");
for (op = mkopt; op; op = op->op_next)
fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
if (debugging)
fprintf(ofp, "DEBUG=-g\n");
if (profiling) {
fprintf(ofp, "PROF=-pg\n");
fprintf(ofp, "PROFLEVEL=%d\n", profiling);
}
if (*srcdir != '\0')
fprintf(ofp,"S=%s\n", srcdir);
while (fgets(line, BUFSIZ, ifp) != 0) {
if (*line != '%') {
fprintf(ofp, "%s", line);
continue;
}
if (eq(line, "%BEFORE_DEPEND\n"))
do_before_depend(ofp);
else if (eq(line, "%OBJS\n"))
do_objs(ofp);
else if (eq(line, "%MFILES\n"))
do_mfiles(ofp);
else if (eq(line, "%CFILES\n"))
do_cfiles(ofp);
else if (eq(line, "%SFILES\n"))
do_sfiles(ofp);
else if (eq(line, "%RULES\n"))
do_rules(ofp);
else if (eq(line, "%CLEAN\n"))
do_clean(ofp);
else if (strncmp(line, "%VERSREQ=", sizeof("%VERSREQ=") - 1) == 0) {
versreq = atoi(line + sizeof("%VERSREQ=") - 1);
if (versreq != CONFIGVERS) {
fprintf(stderr, "WARNING: version of config(8) does not match kernel!\n");
fprintf(stderr, "config version = %d, ", CONFIGVERS);
fprintf(stderr, "version required = %d\n\n", versreq);
fprintf(stderr, "Make sure that /usr/src/usr.sbin/config is in sync\n");
fprintf(stderr, "with your /usr/src/sys and install a new config binary\n");
fprintf(stderr, "before trying this again.\n\n");
fprintf(stderr, "If running the new config fails check your config\n");
fprintf(stderr, "file against the GENERIC or LINT config files for\n");
fprintf(stderr, "changes in config syntax, or option/device naming\n");
fprintf(stderr, "conventions\n\n");
}
} else
fprintf(stderr,
"Unknown %% construct in generic makefile: %s",
line);
}
(void) fclose(ifp);
(void) fclose(ofp);
moveifchanged(path("Makefile.new"), path("Makefile"));
if (hints) {
ifp = fopen(hints, "r");
if (ifp == NULL)
err(1, "%s", hints);
} else {
ifp = NULL;
}
ofp = fopen(path("hints.c.new"), "w");
if (ofp == NULL)
err(1, "%s", path("hints.c.new"));
if (hintmode == 0) {
snprintf(line, sizeof(line), "%s.hints", PREFIX);
ifp = fopen(line, "r");
if (ifp)
hintmode = 2;
}
fprintf(ofp, "int hintmode = %d;\n", hintmode);
fprintf(ofp, "char static_hints[] = {\n");
if (ifp) {
while (fgets(line, BUFSIZ, ifp) != 0) {
/* zap trailing CR and/or LF */
while ((s = rindex(line, '\n')) != NULL)
*s = '\0';
while ((s = rindex(line, '\r')) != NULL)
*s = '\0';
/* remove # comments */
s = index(line, '#');
if (s)
*s = '\0';
/* remove any whitespace and " characters */
s = line;
while (*s) {
if (*s == ' ' || *s == '\t' || *s == '"') {
while (*s) {
s[0] = s[1];
s++;
}
/* start over */
s = line;
continue;
}
s++;
}
/* anything left? */
if (*line == '\0')
continue;
fprintf(ofp, "\"%s\\0\"\n", line);
}
}
fprintf(ofp, "\"\\0\"\n};\n");
if (ifp)
fclose(ifp);
fclose(ofp);
moveifchanged(path("hints.c.new"), path("hints.c"));
printf("Don't forget to do a ``make depend''\n");
}
/*
* Read in the information about files used in making the system.
* Store it in the ftab linked list.
*/
static void
read_files(void)
{
FILE *fp;
struct file_list *tp, *pf;
struct device *dp;
struct device *save_dp;
struct opt *op;
char *wd, *this, *needs, *special, *depends, *clean, *warn;
char fname[80];
int ddwarned = 0;
int nreqs, first = 1, configdep, isdup, std, filetype,
imp_rule, no_obj, needcount, before_depend, mandatory;
ftab = 0;
save_dp = NULL;
if (ident == NULL) {
printf("no ident line specified\n");
exit(1);
}
(void) snprintf(fname, sizeof fname, "../../conf/files");
openit:
fp = fopen(fname, "r");
if (fp == 0)
err(1, "%s", fname);
next:
/*
* filename [ standard | mandatory | optional | count ]
* [ config-dependent ]
* [ dev* | profiling-routine ] [ no-obj ]
* [ compile-with "compile rule" [no-implicit-rule] ]
* [ dependency "dependency-list"] [ before-depend ]
* [ clean "file-list"] [ warning "text warning" ]
*/
wd = get_word(fp);
if (wd == (char *)EOF) {
(void) fclose(fp);
if (first == 1) {
first++;
(void) snprintf(fname, sizeof fname, "../../conf/files.%s", machinename);
fp = fopen(fname, "r");
if (fp != 0)
goto next;
(void) snprintf(fname, sizeof fname, "files.%s", machinename);
goto openit;
}
if (first == 2) {
first++;
(void) snprintf(fname, sizeof fname, "files.%s", raisestr(ident));
fp = fopen(fname, "r");
if (fp != 0)
goto next;
}
return;
}
if (wd == 0)
goto next;
if (wd[0] == '#')
{
while (((wd = get_word(fp)) != (char *)EOF) && wd)
;
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 = ISDUP;
else
isdup = 0;
tp = 0;
if (first == 3 && pf == 0 && (tp = fltail_lookup(this)) != 0) {
if (tp->f_type != INVISIBLE || tp->f_flags)
printf("%s: Local file %s overrides %s.\n",
fname, this, tp->f_fn);
else
printf("%s: Local file %s could override %s"
" with a different kernel configuration.\n",
fname, this, tp->f_fn);
}
nreqs = 0;
special = 0;
depends = 0;
clean = 0;
warn = 0;
configdep = 0;
needs = 0;
std = mandatory = 0;
imp_rule = 0;
no_obj = 0;
needcount = 0;
before_depend = 0;
filetype = NORMAL;
if (eq(wd, "standard")) {
std = 1;
/*
* If an entry is marked "mandatory", config will abort if it's
* not called by a configuration line in the config file. Apart
* from this, the device is handled like one marked "optional".
*/
} else if (eq(wd, "mandatory")) {
mandatory = 1;
needcount = 1;
} else if (eq(wd, "count")) {
needcount = 1;
} else if (!eq(wd, "optional")) {
printf("%s: %s must be count, optional, mandatory or standard\n",
fname, this);
exit(1);
}
nextparam:
next_word(fp, wd);
if (wd == 0)
goto doneparam;
if (eq(wd, "config-dependent")) {
configdep++;
goto nextparam;
}
if (eq(wd, "no-obj")) {
no_obj++;
goto nextparam;
}
if (eq(wd, "no-implicit-rule")) {
if (special == 0) {
printf("%s: alternate rule required when "
"\"no-implicit-rule\" is specified.\n",
fname);
}
imp_rule++;
goto nextparam;
}
if (eq(wd, "before-depend")) {
before_depend++;
goto nextparam;
}
if (eq(wd, "dependency")) {
next_quoted_word(fp, wd);
if (wd == 0) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
depends = ns(wd);
goto nextparam;
}
if (eq(wd, "clean")) {
next_quoted_word(fp, wd);
if (wd == 0) {
printf("%s: %s missing clean file list.\n",
fname, this);
exit(1);
}
clean = ns(wd);
goto nextparam;
}
if (eq(wd, "compile-with")) {
next_quoted_word(fp, wd);
if (wd == 0) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
special = ns(wd);
goto nextparam;
}
if (eq(wd, "warning")) {
next_quoted_word(fp, wd);
if (wd == 0) {
printf("%s: %s missing warning text string.\n",
fname, this);
exit(1);
}
warn = ns(wd);
goto nextparam;
}
nreqs++;
if (eq(wd, "local")) {
filetype = LOCAL;
goto nextparam;
}
if (eq(wd, "no-depend")) {
filetype = NODEPEND;
goto nextparam;
}
if (eq(wd, "device-driver")) {
if (!ddwarned) {
printf("%s: `device-driver' flag ignored.\n", fname);
ddwarned++;
}
goto nextparam;
}
if (eq(wd, "profiling-routine")) {
filetype = PROFILING;
goto nextparam;
}
if (needs == 0 && nreqs == 1)
needs = ns(wd);
if (isdup)
goto invis;
for (dp = dtab; dp != 0; save_dp = dp, dp = dp->d_next)
if (eq(dp->d_name, wd)) {
if (std && dp->d_type == DEVICE &&
dp->d_count <= 0)
dp->d_count = 1;
goto nextparam;
}
if (mandatory) {
printf("%s: mandatory device \"%s\" not found\n",
fname, wd);
exit(1);
}
if (std) {
dp = (struct device *) malloc(sizeof *dp);
bzero(dp, sizeof *dp);
dp->d_type = DEVICE;
dp->d_name = ns(wd);
dp->d_count = 1;
save_dp->d_next = dp;
goto nextparam;
}
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 nextparam;
}
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;
if (needcount)
tp->f_flags |= NEED_COUNT;
tp->f_special = special;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warn;
goto next;
doneparam:
if (std == 0 && nreqs == 0) {
printf("%s: what is %s optional on?\n",
fname, this);
exit(1);
}
if (wd) {
printf("%s: syntax error describing %s\n",
fname, this);
exit(1);
}
if (filetype == PROFILING && profiling == 0)
goto next;
if (tp == 0)
tp = new_fent();
tp->f_fn = this;
tp->f_type = filetype;
tp->f_flags &= ~ISDUP;
if (configdep)
tp->f_flags |= CONFIGDEP;
if (imp_rule)
tp->f_flags |= NO_IMPLCT_RULE;
if (no_obj)
tp->f_flags |= NO_OBJ;
if (before_depend)
tp->f_flags |= BEFORE_DEPEND;
if (imp_rule)
tp->f_flags |= NO_IMPLCT_RULE;
if (no_obj)
tp->f_flags |= NO_OBJ;
if (needcount)
tp->f_flags |= NEED_COUNT;
tp->f_needs = needs;
tp->f_special = special;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warn;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags |= ISDUP; /* mark as duplicate */
goto next;
}
static int
opteq(char *cp, char *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);
}
}
static void
do_before_depend(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("BEFORE_DEPEND=", fp);
lpos = 15;
for (tp = ftab; tp; tp = tp->f_next)
if (tp->f_flags & BEFORE_DEPEND) {
len = strlen(tp->f_fn);
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
if (tp->f_flags & NO_IMPLCT_RULE)
fprintf(fp, "%s ", tp->f_fn);
else
fprintf(fp, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_objs(FILE *fp)
{
struct file_list *tp;
int lpos, len;
char *cp, och, *sp;
fprintf(fp, "OBJS=");
lpos = 6;
for (tp = ftab; tp != 0; tp = tp->f_next) {
if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
continue;
sp = tail(tp->f_fn);
cp = sp + (len = strlen(sp)) - 1;
och = *cp;
*cp = 'o';
if (len + lpos > 72) {
lpos = 8;
fprintf(fp, "\\\n\t");
}
fprintf(fp, "%s ", sp);
lpos += len + 1;
*cp = och;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_cfiles(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("CFILES=", fp);
lpos = 8;
for (tp = ftab; tp; tp = tp->f_next)
if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
len = strlen(tp->f_fn);
if (tp->f_fn[len - 1] != 'c')
continue;
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
if (tp->f_type != LOCAL)
fprintf(fp, "$S/%s ", tp->f_fn);
else
fprintf(fp, "%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_mfiles(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("MFILES=", 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] != 'm' || tp->f_fn[len - 2] != '.')
continue;
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
fprintf(fp, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_sfiles(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("SFILES=", fp);
lpos = 8;
for (tp = ftab; tp; tp = tp->f_next)
if (tp->f_type != INVISIBLE) {
len = strlen(tp->f_fn);
if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
continue;
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
fprintf(fp, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static char *
tail(char *fn)
{
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.
*/
static void
do_rules(FILE *f)
{
char *cp, *np, och, *tp;
struct file_list *ftp;
char *special;
for (ftp = ftab; ftp != 0; ftp = ftp->f_next) {
if (ftp->f_type == INVISIBLE)
continue;
if (ftp->f_warn)
printf("WARNING: %s\n", ftp->f_warn);
cp = (np = ftp->f_fn) + strlen(ftp->f_fn) - 1;
och = *cp;
if (ftp->f_flags & NO_IMPLCT_RULE) {
if (ftp->f_depends)
fprintf(f, "%s: %s\n", np, ftp->f_depends);
else
fprintf(f, "%s: \n", np);
}
else {
*cp = '\0';
if (och == 'o') {
fprintf(f, "%so:\n\t-cp $S/%so .\n\n",
tail(np), np);
continue;
}
if (ftp->f_depends)
fprintf(f, "%so: $S/%s%c %s\n", tail(np),
np, och, ftp->f_depends);
else
fprintf(f, "%so: $S/%s%c\n", tail(np),
np, och);
}
tp = tail(np);
special = ftp->f_special;
if (special == 0) {
char *ftype = NULL;
static char cmd[128];
switch (ftp->f_type) {
case NORMAL:
ftype = "NORMAL";
break;
case PROFILING:
if (!profiling)
continue;
ftype = "PROFILE";
break;
default:
printf("config: don't know rules for %s\n", np);
break;
}
(void)snprintf(cmd, sizeof(cmd), "${%s_%c%s}", ftype, toupper(och),
ftp->f_flags & CONFIGDEP? "_C" : "");
special = cmd;
}
*cp = och;
fprintf(f, "\t%s\n\n", special);
}
}
static void
do_clean(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("CLEAN=", fp);
lpos = 7;
for (tp = ftab; tp; tp = tp->f_next)
if (tp->f_clean) {
len = strlen(tp->f_clean);
if (len + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
fprintf(fp, "%s ", tp->f_clean);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
char *
raisestr(char *str)
{
char *cp = str;
while (*str) {
if (islower(*str))
*str = toupper(*str);
str++;
}
return (cp);
}
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