--- ./third_party/tensorpipe/tensorpipe/common/system.cc_orig	2025-04-23 11:39:39.336212070 -0500
+++ ./third_party/tensorpipe/tensorpipe/common/system.cc	2025-04-23 11:40:14.265649599 -0500
@@ -167,6 +167,11 @@
   return std::string();
 }
 
+#elif defined _AIX
+optional<std::string> getLinuxNamespaceId(LinuxNamespace ns) {
+  return std::string();
+}
+
 #elif defined(__linux__)
 
 // According to namespaces(7):