1 files changed, 12 insertions, 17 deletions

diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index c6f6e21b809f..703ee4904613 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -34,8 +34,6 @@ struct file *file_lookup(const char *name)
 /* 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;
 
@@ -54,21 +52,7 @@ int file_write_dep(const char *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");
-        }
+        env_write_dep(out, conf_get_autoconfig_name());
 
         fprintf(out, "\n$(deps_config): ;\n");
         fclose(out);
@@ -165,3 +149,14 @@ char *xstrdup(const char *s)
         fprintf(stderr, "Out of memory.\n");
         exit(1);
 }
+
+char *xstrndup(const char *s, size_t n)
+{
+        char *p;
+
+        p = strndup(s, n);
+        if (p)
+                return p;
+        fprintf(stderr, "Out of memory.\n");
+        exit(1);
+}