Index: src/mutex_w32.c
==================================================================
--- src/mutex_w32.c
+++ src/mutex_w32.c
@@ -97,11 +97,11 @@
 
 /* As the winMutexInit() and winMutexEnd() functions are called as part
 ** of the sqlite3_initialize() and sqlite3_shutdown() processing, the
 ** "interlocked" magic used here is probably not strictly necessary.
 */
-static LONG volatile winMutex_lock = 0;
+static LONG SQLITE_WIN32_VOLATILE winMutex_lock = 0;
 
 int sqlite3_win32_is_nt(void); /* os_win.c */
 void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */
 
 static int winMutexInit(void){

Index: src/os_win.c
==================================================================
--- src/os_win.c
+++ src/os_win.c
@@ -408,13 +408,13 @@
 **
 ** In order to facilitate testing on a WinNT system, the test fixture
 ** can manually set this value to 1 to emulate Win98 behavior.
 */
 #ifdef SQLITE_TEST
-LONG volatile sqlite3_os_type = 0;
+LONG SQLITE_WIN32_VOLATILE sqlite3_os_type = 0;
 #else
-static LONG volatile sqlite3_os_type = 0;
+static LONG SQLITE_WIN32_VOLATILE sqlite3_os_type = 0;
 #endif
 
 #ifndef SYSCALL
 #  define SYSCALL sqlite3_syscall_ptr
 #endif
@@ -1053,12 +1053,12 @@
 
 #define osInterlockedCompareExchange InterlockedCompareExchange
 #else
   { "InterlockedCompareExchange", (SYSCALL)InterlockedCompareExchange, 0 },
 
-#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG volatile*, \
-        LONG,LONG))aSyscall[76].pCurrent)
+#define osInterlockedCompareExchange ((LONG(WINAPI*)(LONG \
+        SQLITE_WIN32_VOLATILE*, LONG,LONG))aSyscall[76].pCurrent)
 #endif /* defined(InterlockedCompareExchange) */
 
 }; /* End of the overrideable system calls */
 
 /*

Index: src/os_win.h
==================================================================
--- src/os_win.h
+++ src/os_win.h
@@ -62,6 +62,16 @@
 */
 #if !defined(SQLITE_OS_WINRT)
 # define SQLITE_OS_WINRT 0
 #endif
 
+/*
+** For WinCE, some API function parameters do not appear to be declared as
+** volatile.
+*/
+#if SQLITE_OS_WINCE
+# define SQLITE_WIN32_VOLATILE
+#else
+# define SQLITE_WIN32_VOLATILE volatile
+#endif
+
 #endif /* _OS_WIN_H_ */