PNaCl: Build a PPAPI shims library for all architectures

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

Index: ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
diff --git a/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c b/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
index 9dfe11d9d5c0a000be8d35af60e333b6e5cf9e2a..c87620fe34a0593282bb85af9f5946779f11c695 100644
--- a/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
+++ b/ppapi/native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c
@@ -3,7 +3,7 @@
  * 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"
@@ -97,6 +97,10 @@
 #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++));
@@ -5059,3 +5063,5 @@ const void *__Pnacl_PPPGetInterface(const char *name) {
     return wrapper->real_iface;
   }
 }
+
+#endif