Cutover to hardened toolchain by default (3 of 3). BUG=3981 TEST=unit,autotest

client/site_tests/hardware_SAT/hardware_SAT.py

Index: client/site_tests/hardware_SAT/hardware_SAT.py
diff --git a/client/site_tests/hardware_SAT/hardware_SAT.py b/client/site_tests/hardware_SAT/hardware_SAT.py
index 16e150a0d69cb661de46a6f79c080b3c40350bb7..bcebaa5ca629b81a6cf04662d9e8187d4c5f22c2 100644
--- a/client/site_tests/hardware_SAT/hardware_SAT.py
+++ b/client/site_tests/hardware_SAT/hardware_SAT.py
@@ -10,11 +10,17 @@ from autotest_lib.client.common_lib import error
 class hardware_SAT(test.test):
     version = 1
 
-    def target_is_x86(self):
+    def target_is_x86_pie(self):
         result = utils.system_output('${CC} -dumpmachine', retain_output=True,
                                      ignore_status=True)
         x86_pattern = re.compile(r"^i.86.*")
-        return x86_pattern.match(result)
+        if not x86_pattern.match(result):
+          return False
+        result = utils.system_output('${CC} -dumpspecs', retain_output=True,
+                                     ignore_status=True)
+        if result.find('!nopie:') == -1:
+          return False
+        return True
 
 
     # http://code.google.com/p/stressapptest/ 
@@ -31,10 +37,7 @@ class hardware_SAT(test.test):
         cflags = '-I' + self.autodir + '/deps/libaio/include'
         # Add paths to libaio files.
         var_flags = 'LDFLAGS="' + ldflags + '"'
-        # TODO(fes): Remove this if there is a better way to detect that we are
-        # in a hardened build (or if this later properly picks up the -nopie
-        # flag from portage)
-        if os.path.exists('/etc/hardened') and self.target_is_x86():
+        if self.target_is_x86_pie():
             var_flags += ' CXXFLAGS="-nopie ' + cflags + '"'
             var_flags += ' CFLAGS="-nopie ' + cflags + '"'
         else: