FreeBSD-5.3/usr.sbin/config/mkmakefile.c
/*
* 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.
* 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: src/usr.sbin/config/mkmakefile.c,v 1.80 2004/08/07 04:19:37 imp Exp $";
#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 <sys/param.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 char *tail(char *);
static void do_clean(FILE *);
static void do_rules(FILE *);
static void do_xxfiles(char *, FILE *);
static void do_objs(FILE *);
static void do_before_depend(FILE *);
static int opteq(const char *, const char *);
static void read_files(void);
/*
* Lookup a file, by name.
*/
static struct file_list *
fl_lookup(char *file)
{
struct file_list *fp;
STAILQ_FOREACH(fp, &ftab, f_next) {
if (eq(fp->f_fn, 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);
STAILQ_INSERT_TAIL(&ftab, fp, f_next);
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);
/* XXX this check seems to be misplaced. */
if (SLIST_EMPTY(&cputype)) {
printf("cpu type must be specified\n");
exit(1);
}
ofp = fopen(path("Makefile.new"), "w");
if (ofp == 0)
err(1, "%s", path("Makefile.new"));
fprintf(ofp, "KERN_IDENT=%s\n", ident);
SLIST_FOREACH(op, &mkopt, op_next)
fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
if (debugging)
fprintf(ofp, "DEBUG=-g\n");
if (profiling)
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 (strncmp(line, "%FILES.", 7) == 0)
do_xxfiles(line, 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, "ERROR: 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");
exit(1);
}
} else
fprintf(stderr,
"Unknown %% construct in generic makefile: %s",
line);
}
(void) fclose(ifp);
(void) fclose(ofp);
moveifchanged(path("Makefile.new"), path("Makefile"));
/* XXX makefile() should make the Makefile, not hints.c. */
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"));
fprintf(ofp, "#include <sys/types.h>\n");
fprintf(ofp, "#include <sys/systm.h>\n");
fprintf(ofp, "\n");
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"));
/* XXX makefile() should make the Makefile, not env.c. */
if (env) {
ifp = fopen(env, "r");
if (ifp == NULL)
err(1, "%s", env);
} else {
ifp = NULL;
}
ofp = fopen(path("env.c.new"), "w");
if (ofp == NULL)
err(1, "%s", path("env.c.new"));
fprintf(ofp, "#include <sys/types.h>\n");
fprintf(ofp, "#include <sys/systm.h>\n");
fprintf(ofp, "\n");
fprintf(ofp, "int envmode = %d;\n", envmode);
fprintf(ofp, "char static_env[] = {\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("env.c.new"), path("env.c"));
}
static void
read_file(char *fname)
{
FILE *fp;
struct file_list *tp, *pf;
struct device *dp;
struct opt *op;
char *wd, *this, *needs, *compilewith, *depends, *clean, *warning;
int nreqs, isdup, std, filetype,
imp_rule, no_obj, needcount, before_depend, mandatory, nowerror;
fp = fopen(fname, "r");
if (fp == 0)
err(1, "%s", fname);
next:
/*
* filename [ standard | mandatory | optional | count ]
* [ 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);
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;
nreqs = 0;
compilewith = 0;
depends = 0;
clean = 0;
warning = 0;
needs = 0;
std = mandatory = 0;
imp_rule = 0;
no_obj = 0;
needcount = 0;
before_depend = 0;
nowerror = 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;
} 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) {
if (isdup)
goto next;
goto doneparam;
}
if (eq(wd, "no-obj")) {
no_obj++;
goto nextparam;
}
if (eq(wd, "no-implicit-rule")) {
if (compilewith == 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);
}
compilewith = 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);
}
warning = 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, "profiling-routine")) {
filetype = PROFILING;
goto nextparam;
}
if (eq(wd, "nowerror")) {
nowerror = 1;
goto nextparam;
}
if (needs == 0 && nreqs == 1)
needs = ns(wd);
if (isdup)
goto invis;
STAILQ_FOREACH(dp, &dtab, d_next)
if (eq(dp->d_name, wd)) {
if (std && 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) {
printf("standard entry %s has a device keyword - %s!\n",
this, wd);
exit(1);
}
SLIST_FOREACH(op, &opt, 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_compilewith = compilewith;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warning;
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 (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 (needcount)
tp->f_flags |= NEED_COUNT;
if (nowerror)
tp->f_flags |= NOWERROR;
tp->f_needs = needs;
tp->f_compilewith = compilewith;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warning;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags |= ISDUP; /* mark as duplicate */
goto next;
}
/*
* Read in the information about files used in making the system.
* Store it in the ftab linked list.
*/
static void
read_files(void)
{
char fname[MAXPATHLEN];
struct files_name *nl, *tnl;
if (ident == NULL) {
printf("no ident line specified\n");
exit(1);
}
(void) snprintf(fname, sizeof(fname), "../../conf/files");
read_file(fname);
(void) snprintf(fname, sizeof(fname),
"../../conf/files.%s", machinename);
read_file(fname);
for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
read_file(nl->f_name);
tnl = STAILQ_NEXT(nl, f_next);
free(nl->f_name);
free(nl);
}
}
static int
opteq(const char *cp, const 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;
STAILQ_FOREACH(tp, &ftab, 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;
STAILQ_FOREACH(tp, &ftab, 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_xxfiles(char *tag, FILE *fp)
{
struct file_list *tp;
int lpos, len, slen;
char *suff, *SUFF;
if (tag[strlen(tag) - 1] == '\n')
tag[strlen(tag) - 1] = '\0';
suff = ns(tag + 7);
SUFF = ns(suff);
raisestr(SUFF);
slen = strlen(suff);
fprintf(fp, "%sFILES=", SUFF);
lpos = 8;
STAILQ_FOREACH(tp, &ftab, f_next)
if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
len = strlen(tp->f_fn);
if (tp->f_fn[len - slen - 1] != '.')
continue;
if (strcasecmp(&tp->f_fn[len - slen], suff) != 0)
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 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.
*/
static void
do_rules(FILE *f)
{
char *cp, *np, och, *tp;
struct file_list *ftp;
char *compilewith;
STAILQ_FOREACH(ftp, &ftab, 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, "%sln: $S/%s%c %s\n", tail(np),
np, och, ftp->f_depends);
fprintf(f, "\t${NORMAL_LINT}\n\n");
fprintf(f, "%so: $S/%s%c %s\n", tail(np),
np, och, ftp->f_depends);
}
else {
fprintf(f, "%sln: $S/%s%c\n", tail(np),
np, och);
fprintf(f, "\t${NORMAL_LINT}\n\n");
fprintf(f, "%so: $S/%s%c\n", tail(np),
np, och);
}
}
tp = tail(np);
compilewith = ftp->f_compilewith;
if (compilewith == 0) {
const char *ftype = NULL;
static char cmd[128];
switch (ftp->f_type) {
case NORMAL:
ftype = "NORMAL";
break;
case PROFILING:
if (!profiling)
continue;
ftype = "PROFILE";
break;
default:
printf("config: don't know rules for %s\n", np);
break;
}
snprintf(cmd, sizeof(cmd), "${%s_%c%s}", ftype,
toupper(och),
ftp->f_flags & NOWERROR ? "_NOWERROR" : "");
compilewith = cmd;
}
*cp = och;
fprintf(f, "\t%s\n\n", compilewith);
}
}
static void
do_clean(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("CLEAN=", fp);
lpos = 7;
STAILQ_FOREACH(tp, &ftab, 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);
}