# define wimlib_assert(expr)
#endif
+#ifdef ENABLE_MORE_ASSERTIONS
+#define wimlib_assert2(expr) wimlib_assert(expr)
+#else
+#define wimlib_assert2(expr)
+#endif
+
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
#ifdef ENABLE_CUSTOM_MEMORY_ALLOCATOR
extern void *(*wimlib_malloc_func)(size_t);