diff --git a/mozilla/nsprpub/pr/src/Makefile.in b/mozilla/nsprpub/pr/src/Makefile.in
index 44df1f6fd46..d6c38fad194 100644
--- a/mozilla/nsprpub/pr/src/Makefile.in
+++ b/mozilla/nsprpub/pr/src/Makefile.in
@@ -201,6 +201,10 @@ OS_LIBS		= advapi32.lib wsock32.lib winmm.lib
 endif
 endif
 
+ifeq ($(OS_TARGET),WINCE)
+OS_LIBS		= Ws2.lib
+endif
+
 ifeq ($(OS_TARGET),MacOSX)
 OS_LIBS		= -framework CoreServices -framework CoreFoundation
 endif
diff --git a/mozilla/nsprpub/pr/src/io/prfile.c b/mozilla/nsprpub/pr/src/io/prfile.c
index 545fa712f7b..6545a48a4ad 100644
--- a/mozilla/nsprpub/pr/src/io/prfile.c
+++ b/mozilla/nsprpub/pr/src/io/prfile.c
@@ -719,7 +719,7 @@ PR_IMPLEMENT(PRStatus) PR_CreatePipe(
 #pragma unused (readPipe, writePipe)
 #endif
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WINCE)
     HANDLE readEnd, writeEnd;
     SECURITY_ATTRIBUTES pipeAttributes;
 
diff --git a/mozilla/nsprpub/pr/src/io/prio.c b/mozilla/nsprpub/pr/src/io/prio.c
index be187756aba..29fcd9b4728 100644
--- a/mozilla/nsprpub/pr/src/io/prio.c
+++ b/mozilla/nsprpub/pr/src/io/prio.c
@@ -54,7 +54,7 @@ void _PR_InitIO(void)
     _pr_flock_lock = PR_NewLock();
     _pr_flock_cv = PR_NewCondVar(_pr_flock_lock);
 
-#ifdef WIN32
+#if defined(WIN32) && !defined(WINCE)
     _pr_stdin = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_INPUT_HANDLE),
             methods);
     _pr_stdout = PR_AllocFileDesc((PROsfd)GetStdHandle(STD_OUTPUT_HANDLE),
diff --git a/mozilla/nsprpub/pr/src/io/prlog.c b/mozilla/nsprpub/pr/src/io/prlog.c
index 744340644fe..1f87d9918b5 100644
--- a/mozilla/nsprpub/pr/src/io/prlog.c
+++ b/mozilla/nsprpub/pr/src/io/prlog.c
@@ -99,6 +99,16 @@ static PRLock *_pr_logLock;
 #define WIN32_DEBUG_FILE (FILE*)-2
 #endif
 
+#ifdef WINCE
+static void OutputDebugStringA(const char* msg) {
+    int len = MultiByteToWideChar(CP_ACP, 0, msg, -1, 0, 0);
+    WCHAR *wMsg = (WCHAR *)PR_Malloc(len * sizeof(WCHAR));
+    MultiByteToWideChar(CP_ACP, 0, msg, -1, wMsg, len);
+    OutputDebugStringW(wMsg);
+    PR_Free(wMsg);
+}
+#endif
+
 /* Macros used to reduce #ifdef pollution */
 
 #if defined(_PR_USE_STDIO_FOR_LOGGING) && defined(XP_PC)
@@ -107,7 +117,7 @@ static PRLock *_pr_logLock;
     if (logFile == WIN32_DEBUG_FILE) { \
         char savebyte = buf[nb]; \
         buf[nb] = '\0'; \
-        OutputDebugString(buf); \
+        OutputDebugStringA(buf); \
         buf[nb] = savebyte; \
     } else { \
         fwrite(buf, 1, nb, fd); \
@@ -254,7 +264,7 @@ void _PR_InitLog(void)
 #ifdef XP_PC
                 char* str = PR_smprintf("Unable to create nspr log file '%s'\n", ev);
                 if (str) {
-                    OutputDebugString(str);
+                    OutputDebugStringA(str);
                     PR_smprintf_free(str);
                 }
 #else