#ifndef _LIBCPP_DEBUG_H
#define _LIBCPP_DEBUG_H
+#include <__config>
+
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
#if _LIBCPP_DEBUG_LEVEL >= 1
-
# include <cstdlib>
# include <cstdio>
# include <cstddef>
# ifndef _LIBCPP_ASSERT
# define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort()))
# endif
+#endif
+#ifndef _LIBCPP_ASSERT
+# define _LIBCPP_ASSERT(x, m) ((void)0)
#endif
#if _LIBCPP_DEBUG_LEVEL >= 2