PNaCl: Build a PPAPI shims library for all architectures

ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-/* Last generated from IDL: Sun Sep 16 10:28:00 2012. */
+/* Last generated from IDL: Wed Sep 19 20:53:31 2012. */
 #include "ppapi/generators/pnacl_shim.h"
 
 #include "ppapi/c/ppb.h"
 #include "ppapi/c/dev/ppb_audio_input_dev.h"
 #include "ppapi/c/dev/ppb_buffer_dev.h"
 #include "ppapi/c/dev/ppb_console_dev.h"
 #include "ppapi/c/dev/ppb_cursor_control_dev.h"
 #include "ppapi/c/dev/ppb_device_ref_dev.h"
 #include "ppapi/c/dev/ppb_file_chooser_dev.h"
 #include "ppapi/c/dev/ppb_find_dev.h"
@@ skipping 73 matching lines @@
 #include "ppapi/c/trusted/ppb_audio_trusted.h"
 #include "ppapi/c/trusted/ppb_broker_trusted.h"
 #include "ppapi/c/trusted/ppb_browser_font_trusted.h"
 #include "ppapi/c/trusted/ppb_buffer_trusted.h"
 #include "ppapi/c/trusted/ppb_char_set_trusted.h"
 #include "ppapi/c/trusted/ppb_file_chooser_trusted.h"
 #include "ppapi/c/trusted/ppb_file_io_trusted.h"
 #include "ppapi/c/trusted/ppb_image_data_trusted.h"
 #include "ppapi/c/trusted/ppb_url_loader_trusted.h"
 
+
+/* The PNaCl PPAPI shims are only needed on x86-64. */
+#if defined(__x86_64__)
+
 /* Use local strcmp to avoid dependency on libc. */
 static int mystrcmp(const char* s1, const char *s2) {
   while((*s1 && *s2) && (*s1++ == *s2++));
   return *(--s1) - *(--s2);
 }
 
 /* BEGIN Declarations for all Wrapper Infos */
 
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_Audio_1_0;
 static struct __PnaclWrapperInfo Pnacl_WrapperInfo_PPB_AudioConfig_1_0;
@@ skipping 4942 matching lines @@
     if (NULL == iface) return NULL;
     wrapper->real_iface = iface;
   }
 
   if (wrapper->wrapped_iface) {
     return wrapper->wrapped_iface;
   } else {
     return wrapper->real_iface;
   }
 }
+
+#endif