use libtorch c++ distribution with c++11 strings in gpu image (#11346)

* use libtorch c++ distribution with c++11 strings in gpu image

* libtorch path

* don't activate libtorch before merging the image

Author: t-vi

docker/Dockerfile.ci_gpu

@@ -85,6 +85,9 @@ RUN bash /install/ubuntu_install_darknet.sh
 COPY install/ubuntu_install_onnx.sh /install/ubuntu_install_onnx.sh
 RUN bash /install/ubuntu_install_onnx.sh
 
+COPY install/ubuntu_install_libtorch.sh /install/ubuntu_install_libtorch.sh
+RUN bash /install/ubuntu_install_libtorch.sh
+
 COPY install/ubuntu_install_tflite.sh /install/ubuntu_install_tflite.sh
 RUN bash /install/ubuntu_install_tflite.sh
 

docker/install/ubuntu_install_libtorch.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+set -e
+set -u
+set -o pipefail
+
+pushd /usr/local/
+wget -q https://download.pytorch.org/libtorch/cpu/libtorch-cxx11-abi-shared-with-deps-1.11.0%2Bcpu.zip
+unzip libtorch-cxx11-abi-shared-with-deps-1.11.0+cpu.zip
+# now it is in /usr/local/libtorch
+popd