#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; \
\
word = get_word(fp); \
if (word == (char *)EOF) \
return; \
else \
wd = word; \
}
#define next_quoted_word(fp, wd) \
{ \
char *word; \
\
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);
static struct file_list *
fl_lookup(char *file)
{
struct file_list *fp;
for (fp = ftab; fp != NULL; fp = fp->f_next) {
if (strcmp(fp->f_fn, file) == 0)
return(fp);
}
return(0);
}
static struct file_list *
fltail_lookup(char *file)
{
struct file_list *fp;
for (fp = ftab; fp != NULL; fp = fp->f_next) {
if (strcmp(tail(fp->f_fn), tail(file)) == 0)
return(fp);
}
return(0);
}
static struct file_list *
new_fent(void)
{
struct file_list *fp;
fp = malloc(sizeof(*fp));
bzero(fp, sizeof(*fp));
if (fcur == NULL)
fcur = ftab = fp;
else
fcur->f_next = fp;
fcur = fp;
return(fp);
}
void
makefile(void)
{
FILE *ifp, *ofp;
char line[BUFSIZ];
struct opt *op;
int versreq;
read_files();
snprintf(line, sizeof(line), "../platform/%s/conf/Makefile",
platformname);
ifp = fopen(line, "r");
if (ifp == NULL) {
snprintf(line, sizeof(line), "Makefile.%s", platformname);
ifp = fopen(line, "r");
}
if (ifp == NULL)
err(1, "%s", line);
ofp = fopen(path("Makefile.new"), "w");
if (ofp == NULL)
err(1, "%s", path("Makefile.new"));
fprintf(ofp, "KERN_IDENT=%s\n", raisestr(ident));
fprintf(ofp, "MACHINE_PLATFORM=%s\n", platformname);
fprintf(ofp, "MACHINE=%s\n", machinename);
fprintf(ofp, "MACHINE_ARCH=%s\n", machinearchname);
fprintf(ofp, ".export MACHINE_PLATFORM\n");
fprintf(ofp, ".export MACHINE\n");
fprintf(ofp, ".export MACHINE_ARCH\n");
fprintf(ofp, "IDENT=");
if (cputype == 0) {
printf("cpu type must be specified\n");
exit(1);
}
fprintf(ofp, "\n");
for (op = mkopt; op != NULL; op = op->op_next)
fprintf(ofp, "%s=%s\n", op->op_name, op->op_value);
if (debugging)
fprintf(ofp, "DEBUG=-g\n");
if (*srcdir != '\0')
fprintf(ofp,"S=%s\n", srcdir);
while (fgets(line, BUFSIZ, ifp) != 0) {
if (*line != '%') {
fprintf(ofp, "%s", line);
continue;
}
if (strcmp(line, "%BEFORE_DEPEND\n") == 0)
do_before_depend(ofp);
else if (strcmp(line, "%OBJS\n") == 0)
do_objs(ofp);
else if (strcmp(line, "%MFILES\n") == 0)
do_mfiles(ofp);
else if (strcmp(line, "%CFILES\n") == 0)
do_cfiles(ofp);
else if (strcmp(line, "%SFILES\n") == 0)
do_sfiles(ofp);
else if (strcmp(line, "%RULES\n") == 0)
do_rules(ofp);
else if (strcmp(line, "%CLEAN\n") == 0)
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);
}
fclose(ifp);
fclose(ofp);
moveifchanged(path("Makefile.new"), path("Makefile"));
}
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, *warning;
char fname[MAXPATHLEN];
int nonoptional;
int nreqs, first = 1, configdep, isdup, std, filetype,
imp_rule, no_obj, before_depend, nowerror, mandatory;
ftab = 0;
save_dp = NULL;
if (ident == NULL) {
printf("no ident line specified\n");
exit(1);
}
snprintf(fname, sizeof(fname), "../conf/files");
openit:
fp = fopen(fname, "r");
if (fp == NULL)
err(1, "%s", fname);
next:
wd = get_word(fp);
if (wd == (char *)EOF) {
fclose(fp);
if (first == 1) {
first++;
snprintf(fname, sizeof(fname),
"../platform/%s/conf/files",
platformname);
fp = fopen(fname, "r");
if (fp != NULL)
goto next;
snprintf(fname, sizeof(fname),
"files.%s", platformname);
goto openit;
}
if (first == 2) {
first++;
snprintf(fname, sizeof(fname),
"files.%s", raisestr(ident));
fp = fopen(fname, "r");
if (fp != NULL)
goto next;
}
return;
}
if (wd == NULL)
goto next;
if (wd[0] == '#')
{
while (((wd = get_word(fp)) != (char *)EOF) && wd)
;
goto next;
}
this = strdup(wd);
next_word(fp, wd);
if (wd == NULL) {
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 = NULL;
if (first == 3 && pf == NULL && (tp = fltail_lookup(this)) != NULL) {
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 = NULL;
depends = NULL;
clean = NULL;
warning = NULL;
configdep = 0;
needs = NULL;
std = mandatory = nonoptional = 0;
imp_rule = 0;
no_obj = 0;
before_depend = 0;
nowerror = 0;
filetype = NORMAL;
if (strcmp(wd, "standard") == 0) {
std = 1;
} else if (strcmp(wd, "mandatory") == 0) {
mandatory = 1;
} else if (strcmp(wd, "nonoptional") == 0) {
nonoptional = 1;
} else if (strcmp(wd, "optional") == 0) {
} else {
printf("%s: %s must be optional, mandatory or standard\n",
fname, this);
printf("Alternatively, your version of config(8) may be out of sync with your\nkernel source.\n");
exit(1);
}
nextparam:
next_word(fp, wd);
if (wd == NULL)
goto doneparam;
if (strcmp(wd, "config-dependent") == 0) {
configdep++;
goto nextparam;
}
if (strcmp(wd, "no-obj") == 0) {
no_obj++;
goto nextparam;
}
if (strcmp(wd, "no-implicit-rule") == 0) {
if (special == NULL) {
printf("%s: alternate rule required when "
"\"no-implicit-rule\" is specified.\n",
fname);
}
imp_rule++;
goto nextparam;
}
if (strcmp(wd, "before-depend") == 0) {
before_depend++;
goto nextparam;
}
if (strcmp(wd, "dependency") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
depends = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "clean") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing clean file list.\n",
fname, this);
exit(1);
}
clean = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "compile-with") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing compile command string.\n",
fname, this);
exit(1);
}
special = strdup(wd);
goto nextparam;
}
if (strcmp(wd, "nowerror") == 0) {
nowerror++;
goto nextparam;
}
if (strcmp(wd, "warning") == 0) {
next_quoted_word(fp, wd);
if (wd == NULL) {
printf("%s: %s missing warning text string.\n",
fname, this);
exit(1);
}
warning = strdup(wd);
goto nextparam;
}
nreqs++;
if (strcmp(wd, "local") == 0) {
filetype = LOCAL;
goto nextparam;
}
if (strcmp(wd, "no-depend") == 0) {
filetype = NODEPEND;
goto nextparam;
}
if (strcmp(wd, "device-driver") == 0) {
printf("%s: `device-driver' flag obsolete.\n", fname);
exit(1);
}
if (needs == NULL && nreqs == 1)
needs = strdup(wd);
if (isdup)
goto invis;
for (dp = dtab; dp != NULL; save_dp = dp, dp = dp->d_next)
if (strcmp(dp->d_name, wd) == 0) {
if (std && dp->d_type == PSEUDO_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 = malloc(sizeof(*dp));
bzero(dp, sizeof(*dp));
init_dev(dp);
dp->d_name = strdup(wd);
dp->d_type = PSEUDO_DEVICE;
dp->d_count = 1;
save_dp->d_next = dp;
goto nextparam;
}
for (op = opt; op != NULL; op = op->op_next) {
if (op->op_value == 0 && opteq(op->op_name, wd)) {
if (nreqs == 1) {
free(needs);
needs = NULL;
}
goto nextparam;
}
}
if (nonoptional) {
printf("%s: the option \"%s\" MUST be specified\n",
fname, wd);
exit(1);
}
invis:
while ((wd = get_word(fp)) != NULL)
;
if (tp == NULL)
tp = new_fent();
tp->f_fn = this;
tp->f_type = INVISIBLE;
tp->f_needs = needs;
tp->f_flags = isdup;
tp->f_special = special;
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 != NULL) {
printf("%s: syntax error describing %s\n",
fname, this);
exit(1);
}
if (tp == NULL)
tp = new_fent();
tp->f_fn = this;
tp->f_type = filetype;
tp->f_flags = 0;
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 (nowerror)
tp->f_flags |= NOWERROR;
tp->f_needs = needs;
tp->f_special = special;
tp->f_depends = depends;
tp->f_clean = clean;
tp->f_warn = warning;
if (pf && pf->f_type == INVISIBLE)
pf->f_flags = 1;
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 != NULL; 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, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_objs(FILE *fp)
{
struct file_list *tp;
int lpos, len;
char *cp, och, *sp;
fprintf(fp, "OBJS=");
lpos = 6;
for (tp = ftab; tp != NULL; tp = tp->f_next) {
if (tp->f_type == INVISIBLE || tp->f_flags & NO_OBJ)
continue;
sp = tail(tp->f_fn);
cp = sp + (len = strlen(sp)) - 1;
och = *cp;
*cp = 'o';
if (len + lpos > 72) {
lpos = 8;
fprintf(fp, "\\\n\t");
}
fprintf(fp, "%s ", sp);
lpos += len + 1;
*cp = och;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_cfiles(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("CFILES=", fp);
lpos = 8;
for (tp = ftab; tp != NULL; tp = tp->f_next)
if (tp->f_type != INVISIBLE && tp->f_type != NODEPEND) {
len = strlen(tp->f_fn);
if (tp->f_fn[len - 1] != 'c')
continue;
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
if (tp->f_type != LOCAL)
fprintf(fp, "$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 != NULL; 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, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static void
do_sfiles(FILE *fp)
{
struct file_list *tp;
int lpos, len;
fputs("SFILES=", fp);
lpos = 8;
for (tp = ftab; tp != NULL; tp = tp->f_next)
if (tp->f_type != INVISIBLE) {
len = strlen(tp->f_fn);
if (tp->f_fn[len - 1] != 'S' && tp->f_fn[len - 1] != 's')
continue;
if ((len = 3 + len) + lpos > 72) {
lpos = 8;
fputs("\\\n\t", fp);
}
fprintf(fp, "$S/%s ", tp->f_fn);
lpos += len + 1;
}
if (lpos != 8)
putc('\n', fp);
}
static char *
tail(char *fn)
{
char *cp;
cp = strrchr(fn, '/');
if (cp == NULL)
return(fn);
return(cp + 1);
}
static void
do_rules(FILE *f)
{
char *cp, *np, och;
struct file_list *ftp;
char *special;
for (ftp = ftab; ftp != NULL; ftp = ftp->f_next) {
if (ftp->f_type == INVISIBLE)
continue;
if (ftp->f_warn != NULL)
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: $S/%s%c\n", tail(np),
np, och);
}
special = ftp->f_special;
if (special == NULL) {
const char *ftype = NULL;
static char cmd[128];
switch (ftp->f_type) {
case NORMAL:
ftype = "NORMAL";
break;
default:
printf("config: don't know rules for %s\n", np);
break;
}
snprintf(cmd, sizeof(cmd), "${%s_%c%s}%s",
ftype, toupper(och),
ftp->f_flags & CONFIGDEP ? "_C" : "",
ftp->f_flags & NOWERROR ? "" : " ${WERROR}");
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 != NULL; 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);
}