Factor out some SSL specific configs, and add another reference to /var/run t...

tools/python/google/platform_utils_mac.py

Index: tools/python/google/platform_utils_mac.py
===================================================================
--- tools/python/google/platform_utils_mac.py	(revision 68312)
+++ tools/python/google/platform_utils_mac.py	(working copy)
@@ -81,6 +81,8 @@
     cert_file = google.path_utils.FindUpward(self._base_dir, 'tools',
                                              'python', 'google',
                                              'httpd_config', 'httpd2.pem')
+    ssl_enabled = os.path.exists('/etc/apache2/mods-enabled/ssl.conf')
+
     httpd_vars = {
       "httpd_executable_path":
           os.path.join(self._UnixRoot(), "usr", "sbin", exe_name),
@@ -112,12 +114,17 @@
       ' -C \'User "%(user)s"\''
       ' -C \'ServerRoot "%(server_root)s"\''
       ' -c \'LockFile "%(lock_file)s"\''
-      ' -c \'SSLCertificateFile "%(ssl_certificate_file)s"\''
-      ' -c \'SSLMutex "%(ssl_mutex)s"\''
     )
 
     if document_root:
       httpd_cmd_string += ' -C \'DocumentRoot "%(document_root)s"\''
+
+    if ssl_enabled:
+      httpd_cmd_string += (
+        ' -c \'SSLCertificateFile "%(ssl_certificate_file)s"\''
+        ' -c \'SSLMutex "%(ssl_mutex)s"\''
+      )
+
     # Save a copy of httpd_cmd_string to use for stopping httpd
     self._httpd_cmd_string = httpd_cmd_string % httpd_vars