Index: src/platform.h
==================================================================
--- src/platform.h
+++ src/platform.h
@@ -64,13 +64,14 @@
 # define OF_MIPS_EABI
 #elif defined(__sparc64__) || (defined(__sparc__) && defined(__arch64__))
 # define OF_SPARC64
 #elif defined(__sparc__) && !defined(__arch64__)
 # define OF_SPARC
-#elif defined(__hppa__) || defined(__HPPA__) || \
-    defined(_PA_RISC1_0) || defined(_PA_RISC1_1)
-# define OF_PA_RISC
+#elif defined(__hppa64__) || defined(_PA_RISC2_0)
+# define OF_HPPA64
+#elif defined(__hppa__) || defined(_PA_RISC1_0) || defined(_PA_RISC1_1)
+# define OF_HPPA
 #elif defined(__ia64__) || defined(__IA64__)
 # define OF_ITANIUM
 #elif defined(__m68k__)
 # define OF_M68K
 # ifdef __mc68060__