diff --git a/adb/Android.mk b/adb/Android.mk
index 44c3215..af7d7e5 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -39,13 +39,11 @@
   ifneq ($(strip $(USE_CYGWIN)),)
     # Pure cygwin case
     LOCAL_LDLIBS += -lpthread -lgdi32
-    LOCAL_C_INCLUDES += /usr/include/w32api/ddk
   endif
   ifneq ($(strip $(USE_MINGW)),)
     # MinGW under Linux case
     LOCAL_LDLIBS += -lws2_32 -lgdi32
     USE_SYSDEPS_WIN32 := 1
-    LOCAL_C_INCLUDES += /usr/i586-mingw32msvc/include/ddk
   endif
   LOCAL_C_INCLUDES += development/host/windows/usb/api/
 endif
diff --git a/adb/commandline.c b/adb/commandline.c
index 51c039e..05b4ef6 100644
--- a/adb/commandline.c
+++ b/adb/commandline.c
@@ -15,6 +15,7 @@
  */
 
 #include <stdio.h>
+#include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index ba4306f..cc1f839 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -26,8 +26,8 @@
 
 #ifdef _WIN32
 
-#include <windows.h>
 #include <winsock2.h>
+#include <windows.h>
 #include <ws2tcpip.h>
 #include <process.h>
 #include <fcntl.h>
@@ -35,6 +35,7 @@
 #include <sys/stat.h>
 #include <errno.h>
 #include <ctype.h>
+#include <direct.h>
 
 #define OS_PATH_SEPARATOR '\\'
 #define OS_PATH_SEPARATOR_STR "\\"
diff --git a/adb/sysdeps_win32.c b/adb/sysdeps_win32.c
index 29f58ec..b082c6d 100644
--- a/adb/sysdeps_win32.c
+++ b/adb/sysdeps_win32.c
@@ -1,6 +1,6 @@
 #include "sysdeps.h"
-#include <windows.h>
 #include <winsock2.h>
+#include <windows.h>
 #include <stdio.h>
 #include <errno.h>
 #define  TRACE_TAG  TRACE_SYSDEPS
@@ -1549,7 +1549,7 @@
      * reset" event that will remain set once it was set. */
     main_event = CreateEvent(NULL, TRUE, FALSE, NULL);
     if (main_event == NULL) {
-        D("Unable to create main event. Error: %d", GetLastError());
+        D("Unable to create main event. Error: %d", (int)GetLastError());
         free(threads);
         return (int)WAIT_FAILED;
     }
diff --git a/adb/usb_windows.c b/adb/usb_windows.c
index 1309a78..b7ad913 100644
--- a/adb/usb_windows.c
+++ b/adb/usb_windows.c
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <winsock2.h>
 #include <windows.h>
 #include <winerror.h>
 #include <errno.h>
diff --git a/fastboot/Android.mk b/fastboot/Android.mk
index 252db6c..e11691f 100644
--- a/fastboot/Android.mk
+++ b/fastboot/Android.mk
@@ -40,13 +40,11 @@
   ifneq ($(strip $(USE_CYGWIN)),)
     # Pure cygwin case
     LOCAL_LDLIBS += -lpthread
-    LOCAL_C_INCLUDES += /usr/include/w32api/ddk
   endif
   ifneq ($(strip $(USE_MINGW)),)
     # MinGW under Linux case
     LOCAL_LDLIBS += -lws2_32
     USE_SYSDEPS_WIN32 := 1
-    LOCAL_C_INCLUDES += /usr/i586-mingw32msvc/include/ddk
   endif
   LOCAL_C_INCLUDES += development/host/windows/usb/api
 endif
diff --git a/libnativebridge/native_bridge.cc b/libnativebridge/native_bridge.cc
index d460f6f..1eb2d5b 100644
--- a/libnativebridge/native_bridge.cc
+++ b/libnativebridge/native_bridge.cc
@@ -372,15 +372,15 @@
   if (env_values->os_arch != nullptr) {
     jclass sclass_id = env->FindClass("java/lang/System");
     if (sclass_id != nullptr) {
-      jmethodID set_prop_id = env->GetStaticMethodID(sclass_id, "setProperty",
-          "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
+      jmethodID set_prop_id = env->GetStaticMethodID(sclass_id, "initUnchangeableSystemProperty",
+          "(Ljava/lang/String;Ljava/lang/String;)V");
       if (set_prop_id != nullptr) {
-        // Reset os.arch to the value reqired by the apps running with native bridge.
-        env->CallStaticObjectMethod(sclass_id, set_prop_id, env->NewStringUTF("os.arch"),
+        // Init os.arch to the value reqired by the apps running with native bridge.
+        env->CallStaticVoidMethod(sclass_id, set_prop_id, env->NewStringUTF("os.arch"),
             env->NewStringUTF(env_values->os_arch));
       } else {
         env->ExceptionClear();
-        ALOGW("Could not find setProperty method.");
+        ALOGW("Could not find initUnchangeableSystemProperty method.");
       }
     } else {
       env->ExceptionClear();
diff --git a/rootdir/init.trace.rc b/rootdir/init.trace.rc
index 50944e6..cd8d350 100644
--- a/rootdir/init.trace.rc
+++ b/rootdir/init.trace.rc
@@ -1,6 +1,6 @@
 ## Permissions to allow system-wide tracing to the kernel trace buffer.
 ##
-on boot
+on early-boot
 
 # Allow writing to the kernel trace log.
     chmod 0222 /sys/kernel/debug/tracing/trace_marker