Index: src/posh.h
--- src/posh.h.orig
+++ src/posh.h
@@ -1061,7 +1061,7 @@ POSH_COMPILE_TIME_ASSERT(posh_i64_t, sizeof(posh_i64_t
 
 #endif /* defined FORCE_DOXYGEN */
 
-#if defined POSH_CPU_AXP && (defined POSH_OS_TRU64 || defined POSH_OS_LINUX || defined __FreeBSD__)
+#if defined POSH_CPU_AXP && (defined POSH_OS_TRU64 || defined POSH_OS_LINUX || defined BSD)
 #  define POSH_64BIT_POINTER 1
 #endif
 
