[BugFix][Metax] Fix metax compile issue in get_block_shape_and_split_kv_block (#5000)

* fix metax compile

* fix

Author: Sunny-bot1

custom_ops/gpu_ops/append_attn/get_block_shape_and_split_kv_block.cu

@@ -15,9 +15,9 @@
 #include "helper.h"
 #include "paddle/extension.h"
 #ifndef PADDLE_WITH_CUSTOM_DEVICE_METAX_GPU
+#include "paddle/phi/backends/gpu/cuda/cuda_graph_with_memory_pool.h"
 #include "paddle/phi/core/memory/memcpy.h"
 #endif
-#include "paddle/phi/backends/gpu/cuda/cuda_graph_with_memory_pool.h"
 #include "utils.cuh"
 
 template <int THREADBLOCK_SIZE>
@@ -290,10 +290,11 @@ void GetBlockShapeAndSplitKVBlock(
                                                 bsz);
   // Note (sunxin): Skip capturing the DtoH copy (it's time-consuming); CPU data
   // is only for branching in attention.
-  if (!phi::backends::gpu::IsCUDAGraphCapturing()) {
+#ifndef PADDLE_WITH_CUSTOM_DEVICE_METAX_GPU
+  if (!phi::backends::gpu::IsCUDAGraphCapturing())
+#endif
     max_len_tensor_cpu.copy_(
         max_len_tensor_gpu, max_len_tensor_cpu.place(), false);
-  }
 
   auto max_len_cpu_ptr = max_len_tensor_cpu.data<int>();
   int max_len_this_time = max_len_cpu_ptr[0];
@@ -404,10 +405,11 @@ void GetBlockShapeAndSplitKVBlock(
           group_size);
       // Note (sunxin): Skip capturing the DtoH copy (it's time-consuming); CPU
       // data is only for branching in attention.
-      if (!phi::backends::gpu::IsCUDAGraphCapturing()) {
+#ifndef PADDLE_WITH_CUSTOM_DEVICE_METAX_GPU
+      if (!phi::backends::gpu::IsCUDAGraphCapturing())
+#endif
         decoder_num_blocks_cpu.copy_(
             decoder_num_blocks_device, decoder_num_blocks_cpu.place(), false);
-      }
       PADDLE_ENFORCE_GPU_SUCCESS(cudaMemsetAsync(
           decoder_chunk_size_device.data<int>(), 64, sizeof(int32_t), stream));
     }