should always be enabled.
@ -284,7 +284,10 @@ PHPAPI int cfg_get_string(char *varname, char **result);
#define PUTS_H(str) php_header_write((str), strlen((str)))
#define PUTC_H(c) (php_header_write(&(c), 1), (c))
#ifdef ZTS
#define VIRTUAL_DIR
#endif
/* Virtual current directory support */
#ifdef VIRTUAL_DIR
#include "php_virtual_cwd.h"