jdk/src/jdk.pack200/share/native/common-unpack/utils.h

@@ -30,10 +30,12 @@
 #define mtrace(c, ptr, size)
 #else
 void mtrace(char c, void* ptr, size_t size);
 #endif
 
+// <math.h> may have defined OVERFLOW as a non-standard extension
+#undef OVERFLOW
 // overflow management
 #define OVERFLOW ((uint)-1)
 #define PSIZE_MAX (OVERFLOW/2)  /* normal size limit */
 
 inline size_t scale_size(size_t size, size_t scale) {