kconfig: allow build-time definition of the internal config prefix

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Arnaud Lacombe 2010-08-14 23:57:43 -04:00
parent 59dfa24da7
commit ffb5957bc4
6 changed files with 43 additions and 34 deletions

View file

@ -222,22 +222,22 @@ load:
conf_lineno++;
sym = NULL;
if (line[0] == '#') {
if (memcmp(line + 2, "CONFIG_", 7))
if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
continue;
p = strchr(line + 9, ' ');
p = strchr(line + 2 + strlen(CONFIG_), ' ');
if (!p)
continue;
*p++ = 0;
if (strncmp(p, "is not set", 10))
continue;
if (def == S_DEF_USER) {
sym = sym_find(line + 9);
sym = sym_find(line + 2 + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
break;
}
} else {
sym = sym_lookup(line + 9, 0);
sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_BOOLEAN;
}
@ -253,8 +253,8 @@ load:
default:
;
}
} else if (memcmp(line, "CONFIG_", 7) == 0) {
p = strchr(line + 7, '=');
} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
p = strchr(line + strlen(CONFIG_), '=');
if (!p)
continue;
*p++ = 0;
@ -265,13 +265,13 @@ load:
*p2 = 0;
}
if (def == S_DEF_USER) {
sym = sym_find(line + 7);
sym = sym_find(line + strlen(CONFIG_));
if (!sym) {
sym_add_change_count(1);
break;
}
} else {
sym = sym_lookup(line + 7, 0);
sym = sym_lookup(line + strlen(CONFIG_), 0);
if (sym->type == S_UNKNOWN)
sym->type = S_OTHER;
}
@ -397,9 +397,9 @@ static void conf_write_string(bool headerfile, const char *name,
{
int l;
if (headerfile)
fprintf(out, "#define CONFIG_%s \"", name);
fprintf(out, "#define %s%s \"", CONFIG_, name);
else
fprintf(out, "CONFIG_%s=\"", name);
fprintf(out, "%s%s=\"", CONFIG_, name);
while (1) {
l = strcspn(str, "\"\\");
@ -425,13 +425,14 @@ static void conf_write_symbol(struct symbol *sym, enum symbol_type type,
switch (sym_get_tristate_value(sym)) {
case no:
if (write_no)
fprintf(out, "# CONFIG_%s is not set\n", sym->name);
fprintf(out, "# %s%s is not set\n",
CONFIG_, sym->name);
break;
case mod:
fprintf(out, "CONFIG_%s=m\n", sym->name);
fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
break;
case yes:
fprintf(out, "CONFIG_%s=y\n", sym->name);
fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
break;
}
break;
@ -441,7 +442,7 @@ static void conf_write_symbol(struct symbol *sym, enum symbol_type type,
case S_HEX:
case S_INT:
str = sym_get_string_value(sym);
fprintf(out, "CONFIG_%s=%s\n", sym->name, str);
fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
break;
case S_OTHER:
case S_UNKNOWN:
@ -832,14 +833,17 @@ int conf_write_autoconf(void)
case no:
break;
case mod:
fprintf(tristate, "CONFIG_%s=M\n", sym->name);
fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
fprintf(tristate, "%s%s=M\n",
CONFIG_, sym->name);
fprintf(out_h, "#define %s%s_MODULE 1\n",
CONFIG_, sym->name);
break;
case yes:
if (sym->type == S_TRISTATE)
fprintf(tristate, "CONFIG_%s=Y\n",
sym->name);
fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
fprintf(tristate,"%s%s=Y\n",
CONFIG_, sym->name);
fprintf(out_h, "#define %s%s 1\n",
CONFIG_, sym->name);
break;
}
break;
@ -849,12 +853,14 @@ int conf_write_autoconf(void)
case S_HEX:
str = sym_get_string_value(sym);
if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
fprintf(out_h, "#define CONFIG_%s 0x%s\n", sym->name, str);
fprintf(out_h, "#define %s%s 0x%s\n",
CONFIG_, sym->name, str);
break;
}
case S_INT:
str = sym_get_string_value(sym);
fprintf(out_h, "#define CONFIG_%s %s\n", sym->name, str);
fprintf(out_h, "#define %s%s %s\n",
CONFIG_, sym->name, str);
break;
default:
break;