--- Libc/Libc-1725.40.4/include/assert.h
+++ Libc/Libc-1669.0.4/include/assert.h
@@ -40,6 +40,9 @@
  */
 
 #include <sys/cdefs.h>
+#ifdef __cplusplus
+#include <stdlib.h>
+#endif /* __cplusplus */
 
 /*
  * Unlike other ANSI header files, <assert.h> may usefully be included