#define V8_HOST_ARCH_64_BIT 1
#endif
#endif // __native_client__
+#elif defined(__pnacl__)
+// PNaCl is also ILP-32.
+#define V8_HOST_ARCH_IA32 1
+#define V8_HOST_ARCH_32_BIT 1
#elif defined(_M_IX86) || defined(__i386__)
#define V8_HOST_ARCH_IA32 1
#define V8_HOST_ARCH_32_BIT 1