clang support

chrome/nacl/nacl_main_platform_delegate_linux.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/nacl/nacl_main_platform_delegate.h"
 
 #include "base/command_line.h"
 #include "chrome/common/chrome_switches.h"
 #include "seccompsandbox/sandbox.h"
 
@@ skipping 16 matching lines @@
   // http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox
   return;
 }
 
 void NaClMainPlatformDelegate::EnableSandbox() {
   // The setuid sandbox is started in the zygote process: zygote_main_linux.cc
   // http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox
   //
   // The seccomp sandbox is started in the renderer.
   // http://code.google.com/p/seccompsandbox/
-#if defined(ARCH_CPU_X86_FAMILY) && !defined(CHROMIUM_SELINUX)
+#if defined(ARCH_CPU_X86_FAMILY) && !defined(CHROMIUM_SELINUX) && \
+    !defined(__clang__)
   // N.b. SupportsSeccompSandbox() returns a cached result, as we already
   // called it earlier in the zygote. Thus, it is OK for us to not pass in
   // a file descriptor for "/proc".
   if (switches::SeccompSandboxEnabled() && SupportsSeccompSandbox(-1))
     StartSeccompSandbox();
 #endif
 }
 
 bool NaClMainPlatformDelegate::RunSandboxTests() {
   // The sandbox is started in the zygote process: zygote_main_linux.cc
   // http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox
   return true;
 }