diff --git a/adb/file_sync_service.h b/adb/file_sync_service.h
index 11ea06b..e402e06 100644
--- a/adb/file_sync_service.h
+++ b/adb/file_sync_service.h
@@ -17,7 +17,7 @@
 #ifndef _FILE_SYNC_SERVICE_H_
 #define _FILE_SYNC_SERVICE_H_
 
-#ifdef __ppc__
+#ifdef HAVE_BIG_ENDIAN
 static inline unsigned __swap_uint32(unsigned x) 
 {
     return (((x) & 0xFF000000) >> 24)
diff --git a/adb/transport_local.c b/adb/transport_local.c
index 8dfc98d..4431ba7 100644
--- a/adb/transport_local.c
+++ b/adb/transport_local.c
@@ -25,7 +25,7 @@
 #define  TRACE_TAG  TRACE_TRANSPORT
 #include "adb.h"
 
-#ifdef __ppc__
+#ifdef HAVE_BIG_ENDIAN
 #define H4(x)	(((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24)
 static inline void fix_endians(apacket *p)
 {
@@ -61,7 +61,7 @@
 
     fix_endians(p);
 
-#if 0 && defined __ppc__
+#if 0 && defined HAVE_BIG_ENDIAN
     D("read remote packet: %04x arg0=%0x arg1=%0x data_length=%0x data_check=%0x magic=%0x\n",
       p->msg.command, p->msg.arg0, p->msg.arg1, p->msg.data_length, p->msg.data_check, p->msg.magic);
 #endif
@@ -89,7 +89,7 @@
 
     fix_endians(p);
 
-#if 0 && defined __ppc__
+#if 0 && defined HAVE_BIG_ENDIAN
     D("write remote packet: %04x arg0=%0x arg1=%0x data_length=%0x data_check=%0x magic=%0x\n",
       p->msg.command, p->msg.arg0, p->msg.arg1, p->msg.data_length, p->msg.data_check, p->msg.magic);
 #endif
diff --git a/adb/transport_usb.c b/adb/transport_usb.c
index 2584163..ee6b637 100644
--- a/adb/transport_usb.c
+++ b/adb/transport_usb.c
@@ -27,8 +27,7 @@
 #include "usb_vendors.h"
 #endif
 
-/* XXX better define? */
-#ifdef __ppc__
+#ifdef HAVE_BIG_ENDIAN
 #define H4(x)	(((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24)
 static inline void fix_endians(apacket *p)
 {