--- a/js/src/js.cpp
+++ b/js/src/js.cpp
@@ -246,16 +246,18 @@ Process(JSContext *cx, JSObject *obj, ch
                                  JSSMSG_CANT_OPEN, filename, strerror(errno));
             gExitCode = EXITCODE_FILE_NOT_FOUND;
             return;
         }
     }
 
     SetContextOptions(cx);
 
+#ifndef WINCE
+    /* windows mobile (and possibly other os's) does not have a TTY */
     if (!forceTTY && !isatty(fileno(file))) {
         /*
          * It's not interactive - just execute it.
          *
          * Support the UNIX #! shell hack; gobble the first line if it starts
          * with '#'.  TODO - this isn't quite compatible with sharp variables,
          * as a legal js program (using sharp variables) might start with '#'.
          * But that would require multi-character lookahead.
@@ -278,16 +280,17 @@ Process(JSContext *cx, JSObject *obj, ch
                 (void)JS_ExecuteScript(cx, obj, script, NULL);
             JS_DestroyScript(cx, script);
         }
 
         if (file != stdin)
             fclose(file);
         return;
     }
+#endif /* WINCE */
 
     /* It's an interactive filehandle; drop into read-eval-print loop. */
     lineno = 1;
     hitEOF = JS_FALSE;
     do {
         bufp = buffer;
         *bufp = '\0';
 
@@ -3961,18 +3964,19 @@ main(int argc, char **argv, char **envp)
     JSDJContext *jsdjc;
 #endif
 #ifdef JSDEBUGGER_C_UI
     JSBool jsdbc;
 #endif /* JSDEBUGGER_C_UI */
 #endif /* JSDEBUGGER */
 
     CheckHelpMessages();
+#ifndef WINCE
     setlocale(LC_ALL, "");
-
+#endif
     gStackBase = (jsuword)&stackDummy;
 
 #ifdef XP_OS2
    /* these streams are normally line buffered on OS/2 and need a \n, *
     * so we need to unbuffer then to get a reasonable prompt          */
     setbuf(stdout,0);
     setbuf(stderr,0);
 #endif

--- a/js/src/jsbuiltins.h
+++ b/js/src/jsbuiltins.h
@@ -40,16 +40,20 @@
 #ifndef jsbuiltins_h___
 #define jsbuiltins_h___
 
 #ifdef JS_TRACER
 
 #include "nanojit/nanojit.h"
 #include "jstracer.h"
 
+#ifdef THIS
+#undef THIS
+#endif
+
 enum JSTNErrType { INFALLIBLE, FAIL_NULL, FAIL_NEG, FAIL_VOID, FAIL_JSVAL };
 enum { JSTN_ERRTYPE_MASK = 7, JSTN_MORE = 8 };
 
 #define JSTN_ERRTYPE(jstn)  ((jstn)->flags & JSTN_ERRTYPE_MASK)
 
 /*
  * |prefix| and |argtypes| declare what arguments should be passed to the
  * native function.  |prefix| can contain the following characters: