From 97004f674849492083e376b53e8006f08ba6cdf9 Mon Sep 17 00:00:00 2001
From: ronnywang <ronny1996@163.com>
Date: Tue, 8 Nov 2022 14:45:48 +0800
Subject: [PATCH] [CustomDevice] fix undefined symbol GetCCLComm in the cpu
 version (#47717)

---
 paddle/fluid/pybind/CMakeLists.txt    | 1 +
 paddle/fluid/pybind/distributed_py.cc | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/paddle/fluid/pybind/CMakeLists.txt b/paddle/fluid/pybind/CMakeLists.txt
index a4d35f52a4..3b9b0a9ca6 100755
--- a/paddle/fluid/pybind/CMakeLists.txt
+++ b/paddle/fluid/pybind/CMakeLists.txt
@@ -183,6 +183,7 @@ if(WITH_PYTHON)
   endif()
   set(PYBIND_SRCS ${PYBIND_SRCS} distributed_py.cc)
 endif()
+set(PYBIND_DEPS ${PYBIND_DEPS} processgroup_comm_utils)
 
 if(WITH_ASCEND)
   set(PYBIND_DEPS ${PYBIND_DEPS} ascend_wrapper)
diff --git a/paddle/fluid/pybind/distributed_py.cc b/paddle/fluid/pybind/distributed_py.cc
index a4b53922a8..2b9d8d1631 100644
--- a/paddle/fluid/pybind/distributed_py.cc
+++ b/paddle/fluid/pybind/distributed_py.cc
@@ -59,6 +59,8 @@ limitations under the License. */
 #include "paddle/fluid/distributed/store/tcp_store.h"
 #endif
 
+#include "paddle/phi/kernels/sync_batch_norm_kernel.h"
+
 namespace py = pybind11;
 
 namespace paddle {
@@ -90,6 +92,9 @@ using GlooOptions = paddle::distributed::ProcessGroupGloo::GlooOptions;
 
 static std::string GLOO_SOCKET_IFNAME_ENV = "GLOO_SOCKET_IFNAME";  // NOLINT
 
+static UNUSED void *use_ccl_comm_func =
+    phi::detail::GetCCLComm(phi::CPUPlace());
+
 void BindDistributed(py::module *m) {
   py::enum_<distributed::ReduceOp>(*m, "ReduceOp")
       .value("SUM", distributed::ReduceOp::SUM)
-- 
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