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build: add new menuconfig code based on linux 3.9

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36361 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2013-04-18 12:05:16 +00:00
parent 976215a021
commit f6a0204436
35 changed files with 5827 additions and 3897 deletions
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97
scripts/config/util.c
View file

@ -5,6 +5,8 @@
* Released under the terms of the GNU GPL v2.0.
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "lkc.h"
@ -12,26 +14,76 @@
struct file *file_lookup(const char *name)
{
struct file *file;
const char *file_name = sym_expand_string_value(name);
for (file = file_list; file; file = file->next) {
if (!strcmp(name, file->name))
if (!strcmp(name, file->name)) {
free((void *)file_name);
return file;
}
}
file = malloc(sizeof(*file));
file = xmalloc(sizeof(*file));
memset(file, 0, sizeof(*file));
file->name = strdup(name);
file->name = file_name;
file->next = file_list;
file_list = file;
return file;
}
/* Allocate initial growable sting */
/* write a dependency file as used by kbuild to track dependencies */
int file_write_dep(const char *name)
{
struct symbol *sym, *env_sym;
struct expr *e;
struct file *file;
FILE *out;
if (!name)
name = ".kconfig.d";
out = fopen("..config.tmp", "w");
if (!out)
return 1;
fprintf(out, "deps_config := \\\n");
for (file = file_list; file; file = file->next) {
if (file->next)
fprintf(out, "\t%s \\\n", file->name);
else
fprintf(out, "\t%s\n", file->name);
}
fprintf(out, "\n%s: \\\n"
"\t$(deps_config)\n\n", conf_get_autoconfig_name());
expr_list_for_each_sym(sym_env_list, e, sym) {
struct property *prop;
const char *value;
prop = sym_get_env_prop(sym);
env_sym = prop_get_symbol(prop);
if (!env_sym)
continue;
value = getenv(env_sym->name);
if (!value)
value = "";
fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
fprintf(out, "endif\n");
}
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
rename("..config.tmp", name);
return 0;
}
/* Allocate initial growable string */
struct gstr str_new(void)
{
struct gstr gs;
gs.s = malloc(sizeof(char) * 64);
gs.len = 16;
gs.s = xmalloc(sizeof(char) * 64);
gs.len = 64;
gs.max_width = 0;
strcpy(gs.s, "\0");
return gs;
}
@ -42,6 +94,7 @@ struct gstr str_assign(const char *s)
struct gstr gs;
gs.s = strdup(s);
gs.len = strlen(s) + 1;
gs.max_width = 0;
return gs;
}
@ -57,12 +110,15 @@ void str_free(struct gstr *gs)
/* Append to growable string */
void str_append(struct gstr *gs, const char *s)
{
size_t l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
gs->s = realloc(gs->s, l);
gs->len = l;
size_t l;
if (s) {
l = strlen(gs->s) + strlen(s) + 1;
if (l > gs->len) {
gs->s = realloc(gs->s, l);
gs->len = l;
}
strcat(gs->s, s);
}
strcat(gs->s, s);
}
/* Append printf formatted string to growable string */
@ -82,3 +138,22 @@ const char *str_get(struct gstr *gs)
return gs->s;
}
void *xmalloc(size_t size)
{
void *p = malloc(size);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}
void *xcalloc(size_t nmemb, size_t size)
{
void *p = calloc(nmemb, size);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}