scripts/config: merge fixes for various issues, including recursive dependency detection/handling (patch by mbm)

SVN-Revision: 28658

scripts/config/lkc.h

@@ -88,6 +88,11 @@ int file_write_dep(const char *name);
 struct gstr {
 	size_t len;
 	char  *s;
+	/*
+	 * when max_width is not zero long lines in string s (if any) get
+	 * wrapped not to exceed the max_width value
+	 */
+	int max_width;
 };
 struct gstr str_new(void);
 struct gstr str_assign(const char *s);