#define LKC_DIRECT_LINK
#include "lkc.h"
+static void conf_warning(const char *fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+
+static const char *conf_filename;
+static int conf_lineno, conf_warnings, conf_unsaved;
+
const char conf_def_filename[] = ".config";
const char conf_defname[] = "arch/$ARCH/defconfig";
NULL,
};
+static void conf_warning(const char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ fprintf(stderr, "%s:%d:warning: ", conf_filename, conf_lineno);
+ vfprintf(stderr, fmt, ap);
+ fprintf(stderr, "\n");
+ va_end(ap);
+ conf_warnings++;
+}
+
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
return name;
}
-int conf_read(const char *name)
+int conf_read_simple(const char *name, int def)
{
FILE *in = NULL;
char line[1024];
char *p, *p2;
- int lineno = 0;
struct symbol *sym;
- struct property *prop;
- struct expr *e;
- int i;
+ int i, def_flags;
if (name) {
in = zconf_fopen(name);
} else {
const char **names = conf_confnames;
+ name = *names++;
+ if (!name)
+ return 1;
+ in = zconf_fopen(name);
+ if (in)
+ goto load;
+ sym_change_count++;
while ((name = *names++)) {
name = conf_expand_value(name);
in = zconf_fopen(name);
if (in) {
printf(_("#\n"
- "# using defaults found in %s\n"
- "#\n"), name);
- break;
+ "# using defaults found in %s\n"
+ "#\n"), name);
+ goto load;
}
}
}
-
if (!in)
return 1;
+load:
+ conf_filename = name;
+ conf_lineno = 0;
+ conf_warnings = 0;
+ conf_unsaved = 0;
+
+ def_flags = SYMBOL_DEF << def;
for_all_symbols(i, sym) {
- sym->flags |= SYMBOL_NEW | SYMBOL_CHANGED;
- sym->flags &= ~SYMBOL_VALID;
+ sym->flags |= SYMBOL_CHANGED;
+ sym->flags &= ~(def_flags|SYMBOL_VALID);
+ if (sym_is_choice(sym))
+ sym->flags |= def_flags;
switch (sym->type) {
case S_INT:
case S_HEX:
case S_STRING:
- if (sym->user.val)
- free(sym->user.val);
+ if (sym->def[def].val)
+ free(sym->def[def].val);
default:
- sym->user.val = NULL;
- sym->user.tri = no;
+ sym->def[def].val = NULL;
+ sym->def[def].tri = no;
}
}
while (fgets(line, sizeof(line), in)) {
- lineno++;
+ conf_lineno++;
sym = NULL;
switch (line[0]) {
case '#':
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
- sym = sym_find(line + 9);
- if (!sym) {
- fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 9);
+ if (def == S_DEF_USER) {
+ sym = sym_find(line + 9);
+ if (!sym) {
+ conf_warning("trying to assign nonexistent symbol %s", line + 9);
+ break;
+ }
+ } else {
+ sym = sym_lookup(line + 9, 0);
+ if (sym->type == S_UNKNOWN)
+ sym->type = S_BOOLEAN;
+ }
+ if (sym->flags & def_flags) {
+ conf_warning("trying to reassign symbol %s", sym->name);
break;
}
switch (sym->type) {
case S_BOOLEAN:
case S_TRISTATE:
- sym->user.tri = no;
- sym->flags &= ~SYMBOL_NEW;
+ sym->def[def].tri = no;
+ sym->flags |= def_flags;
break;
default:
;
}
break;
case 'C':
- if (memcmp(line, "CONFIG_", 7))
+ if (memcmp(line, "CONFIG_", 7)) {
+ conf_warning("unexpected data");
continue;
+ }
p = strchr(line + 7, '=');
if (!p)
continue;
p2 = strchr(p, '\n');
if (p2)
*p2 = 0;
- sym = sym_find(line + 7);
- if (!sym) {
- fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 7);
+ if (def == S_DEF_USER) {
+ sym = sym_find(line + 7);
+ if (!sym) {
+ conf_warning("trying to assign nonexistent symbol %s", line + 7);
+ break;
+ }
+ } else {
+ sym = sym_lookup(line + 7, 0);
+ if (sym->type == S_UNKNOWN)
+ sym->type = S_OTHER;
+ }
+ if (sym->flags & def_flags) {
+ conf_warning("trying to reassign symbol %s", sym->name);
break;
}
switch (sym->type) {
case S_TRISTATE:
if (p[0] == 'm') {
- sym->user.tri = mod;
- sym->flags &= ~SYMBOL_NEW;
+ sym->def[def].tri = mod;
+ sym->flags |= def_flags;
break;
}
case S_BOOLEAN:
if (p[0] == 'y') {
- sym->user.tri = yes;
- sym->flags &= ~SYMBOL_NEW;
+ sym->def[def].tri = yes;
+ sym->flags |= def_flags;
break;
}
if (p[0] == 'n') {
- sym->user.tri = no;
- sym->flags &= ~SYMBOL_NEW;
+ sym->def[def].tri = no;
+ sym->flags |= def_flags;
break;
}
+ conf_warning("symbol value '%s' invalid for %s", p, sym->name);
break;
+ case S_OTHER:
+ if (*p != '"') {
+ for (p2 = p; *p2 && !isspace(*p2); p2++)
+ ;
+ sym->type = S_STRING;
+ goto done;
+ }
case S_STRING:
if (*p++ != '"')
break;
memmove(p2, p2 + 1, strlen(p2));
}
if (!p2) {
- fprintf(stderr, "%s:%d: invalid string found\n", name, lineno);
- exit(1);
+ conf_warning("invalid string found");
+ continue;
}
case S_INT:
case S_HEX:
+ done:
if (sym_string_valid(sym, p)) {
- sym->user.val = strdup(p);
- sym->flags &= ~SYMBOL_NEW;
+ sym->def[def].val = strdup(p);
+ sym->flags |= def_flags;
} else {
- fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
- exit(1);
+ conf_warning("symbol value '%s' invalid for %s", p, sym->name);
+ continue;
}
break;
default:
case '\n':
break;
default:
+ conf_warning("unexpected data");
continue;
}
if (sym && sym_is_choice_value(sym)) {
struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
- switch (sym->user.tri) {
+ switch (sym->def[def].tri) {
case no:
break;
case mod:
- if (cs->user.tri == yes)
- /* warn? */;
+ if (cs->def[def].tri == yes) {
+ conf_warning("%s creates inconsistent choice state", sym->name);
+ cs->flags &= ~def_flags;
+ }
break;
case yes:
- if (cs->user.tri != no)
- /* warn? */;
- cs->user.val = sym;
+ if (cs->def[def].tri != no) {
+ conf_warning("%s creates inconsistent choice state", sym->name);
+ cs->flags &= ~def_flags;
+ } else
+ cs->def[def].val = sym;
break;
}
- cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
- cs->flags &= ~SYMBOL_NEW;
+ cs->def[def].tri = E_OR(cs->def[def].tri, sym->def[def].tri);
}
}
fclose(in);
if (modules_sym)
sym_calc_value(modules_sym);
+ return 0;
+}
+
+int conf_read(const char *name)
+{
+ struct symbol *sym;
+ struct property *prop;
+ struct expr *e;
+ int i, flags;
+
+ sym_change_count = 0;
+
+ if (conf_read_simple(name, S_DEF_USER))
+ return 1;
+
for_all_symbols(i, sym) {
sym_calc_value(sym);
+ if (sym_is_choice(sym) || (sym->flags & SYMBOL_AUTO))
+ goto sym_ok;
+ if (sym_has_value(sym) && (sym->flags & SYMBOL_WRITE)) {
+ /* check that calculated value agrees with saved value */
+ switch (sym->type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ if (sym->def[S_DEF_USER].tri != sym_get_tristate_value(sym))
+ break;
+ if (!sym_is_choice(sym))
+ goto sym_ok;
+ default:
+ if (!strcmp(sym->curr.val, sym->def[S_DEF_USER].val))
+ goto sym_ok;
+ break;
+ }
+ } else if (!sym_has_value(sym) && !(sym->flags & SYMBOL_WRITE))
+ /* no previous value and not saved */
+ goto sym_ok;
+ conf_unsaved++;
+ /* maybe print value in verbose mode... */
+ sym_ok:
if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
if (sym->visible == no)
- sym->flags |= SYMBOL_NEW;
+ sym->flags &= ~SYMBOL_DEF_USER;
switch (sym->type) {
case S_STRING:
case S_INT:
case S_HEX:
- if (!sym_string_within_range(sym, sym->user.val))
- sym->flags |= SYMBOL_NEW;
+ if (!sym_string_within_range(sym, sym->def[S_DEF_USER].val))
+ sym->flags &= ~(SYMBOL_VALID|SYMBOL_DEF_USER);
default:
break;
}
if (!sym_is_choice(sym))
continue;
prop = sym_get_choice_prop(sym);
+ flags = sym->flags;
for (e = prop->expr; e; e = e->left.expr)
if (e->right.sym->visible != no)
- sym->flags |= e->right.sym->flags & SYMBOL_NEW;
+ flags &= e->right.sym->flags;
+ sym->flags |= flags & SYMBOL_DEF_USER;
}
- sym_change_count = 1;
+ sym_change_count += conf_warnings || conf_unsaved;
return 0;
}
int conf_write(const char *name)
{
- FILE *out, *out_h;
+ FILE *out;
struct symbol *sym;
struct menu *menu;
const char *basename;
out = fopen(newname, "w");
if (!out)
return 1;
- out_h = NULL;
- if (!name) {
- out_h = fopen(".tmpconfig.h", "w");
- if (!out_h)
- return 1;
- }
- sym = sym_lookup("KERNELRELEASE", 0);
+ sym = sym_lookup("KERNELVERSION", 0);
sym_calc_value(sym);
time(&now);
env = getenv("KCONFIG_NOTIMESTAMP");
sym_get_string_value(sym),
use_timestamp ? "# " : "",
use_timestamp ? ctime(&now) : "");
- if (out_h)
- fprintf(out_h, "/*\n"
- " * Automatically generated C config: don't edit\n"
- " * Linux kernel version: %s\n"
- "%s%s"
- " */\n"
- "#define AUTOCONF_INCLUDED\n",
- sym_get_string_value(sym),
- use_timestamp ? " * " : "",
- use_timestamp ? ctime(&now) : "");
if (!sym_change_count)
sym_clear_all_valid();
"#\n"
"# %s\n"
"#\n", str);
- if (out_h)
- fprintf(out_h, "\n"
- "/*\n"
- " * %s\n"
- " */\n", str);
} else if (!(sym->flags & SYMBOL_CHOICE)) {
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE))
switch (sym_get_tristate_value(sym)) {
case no:
fprintf(out, "# CONFIG_%s is not set\n", sym->name);
- if (out_h)
- fprintf(out_h, "#undef CONFIG_%s\n", sym->name);
break;
case mod:
fprintf(out, "CONFIG_%s=m\n", sym->name);
- if (out_h)
- fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
break;
case yes:
fprintf(out, "CONFIG_%s=y\n", sym->name);
- if (out_h)
- fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
break;
}
break;
case S_STRING:
- // fix me
str = sym_get_string_value(sym);
fprintf(out, "CONFIG_%s=\"", sym->name);
- if (out_h)
- fprintf(out_h, "#define CONFIG_%s \"", sym->name);
- do {
+ while (1) {
l = strcspn(str, "\"\\");
if (l) {
fwrite(str, l, 1, out);
- if (out_h)
- fwrite(str, l, 1, out_h);
+ str += l;
}
- str += l;
- while (*str == '\\' || *str == '"') {
- fprintf(out, "\\%c", *str);
- if (out_h)
- fprintf(out_h, "\\%c", *str);
- str++;
- }
- } while (*str);
+ if (!*str)
+ break;
+ fprintf(out, "\\%c", *str++);
+ }
fputs("\"\n", out);
- if (out_h)
- fputs("\"\n", out_h);
break;
case S_HEX:
str = sym_get_string_value(sym);
if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
- if (out_h)
- fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
break;
}
case S_INT:
str = sym_get_string_value(sym);
fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
- if (out_h)
- fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
break;
}
}
}
}
fclose(out);
- if (out_h) {
- fclose(out_h);
- rename(".tmpconfig.h", "include/linux/autoconf.h");
- file_write_dep(NULL);
- }
if (!name || basename != conf_def_filename) {
if (!name)
name = conf_def_filename;
if (rename(newname, tmpname))
return 1;
+ printf(_("#\n"
+ "# configuration written to %s\n"
+ "#\n"), tmpname);
+
sym_change_count = 0;
return 0;
}
+
+int conf_write_autoconf(void)
+{
+ struct symbol *sym;
+ const char *str;
+ char *name;
+ FILE *out, *out_h;
+ time_t now;
+ int i, l;
+
+ file_write_dep("include/config/auto.conf.cmd");
+
+ out = fopen(".tmpconfig", "w");
+ if (!out)
+ return 1;
+
+ out_h = fopen(".tmpconfig.h", "w");
+ if (!out_h) {
+ fclose(out);
+ return 1;
+ }
+
+ sym = sym_lookup("KERNELVERSION", 0);
+ sym_calc_value(sym);
+ time(&now);
+ fprintf(out, "#\n"
+ "# Automatically generated make config: don't edit\n"
+ "# Linux kernel version: %s\n"
+ "# %s"
+ "#\n",
+ sym_get_string_value(sym), ctime(&now));
+ fprintf(out_h, "/*\n"
+ " * Automatically generated C config: don't edit\n"
+ " * Linux kernel version: %s\n"
+ " * %s"
+ " */\n"
+ "#define AUTOCONF_INCLUDED\n",
+ sym_get_string_value(sym), ctime(&now));
+
+ sym_clear_all_valid();
+
+ for_all_symbols(i, sym) {
+ sym_calc_value(sym);
+ if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
+ continue;
+ switch (sym->type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ switch (sym_get_tristate_value(sym)) {
+ case no:
+ break;
+ case mod:
+ fprintf(out, "CONFIG_%s=m\n", sym->name);
+ fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
+ break;
+ case yes:
+ fprintf(out, "CONFIG_%s=y\n", sym->name);
+ fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
+ break;
+ }
+ break;
+ case S_STRING:
+ str = sym_get_string_value(sym);
+ fprintf(out, "CONFIG_%s=\"", sym->name);
+ fprintf(out_h, "#define CONFIG_%s \"", sym->name);
+ while (1) {
+ l = strcspn(str, "\"\\");
+ if (l) {
+ fwrite(str, l, 1, out);
+ fwrite(str, l, 1, out_h);
+ str += l;
+ }
+ if (!*str)
+ break;
+ fprintf(out, "\\%c", *str);
+ fprintf(out_h, "\\%c", *str);
+ str++;
+ }
+ fputs("\"\n", out);
+ fputs("\"\n", out_h);
+ break;
+ case S_HEX:
+ str = sym_get_string_value(sym);
+ if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
+ fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
+ fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
+ break;
+ }
+ case S_INT:
+ str = sym_get_string_value(sym);
+ fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
+ fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
+ break;
+ default:
+ break;
+ }
+ }
+ fclose(out);
+ fclose(out_h);
+
+ name = getenv("KCONFIG_AUTOHEADER");
+ if (!name)
+ name = "include/linux/autoconf.h";
+ if (rename(".tmpconfig.h", name))
+ return 1;
+ name = getenv("KCONFIG_AUTOCONFIG");
+ if (!name)
+ name = "include/config/auto.conf";
+ /*
+ * This must be the last step, kbuild has a dependency on auto.conf
+ * and this marks the successful completion of the previous steps.
+ */
+ if (rename(".tmpconfig", name))
+ return 1;
+
+ return 0;
+}
projects / powerpc.git / blobdiff