[TFLite Runtime] Add TFLite Runtime dependencies to CI CPU docker build (#5437)

docker/Dockerfile.ci_cpu

@@ -63,3 +63,11 @@ RUN bash /install/ubuntu_install_antlr.sh
 # Chisel deps for TSIM
 COPY install/ubuntu_install_chisel.sh /install/ubuntu_install_chisel.sh
 RUN bash /install/ubuntu_install_chisel.sh
+
+# TFLite deps
+COPY install/ubuntu_install_tflite.sh /install/ubuntu_install_tflite.sh
+RUN bash /install/ubuntu_install_tflite.sh
+
+# TensorFlow deps
+COPY install/ubuntu_install_tensorflow.sh /install/ubuntu_install_tensorflow.sh
+RUN bash /install/ubuntu_install_tensorflow.sh

docker/install/ubuntu_install_tflite.sh

@@ -6,9 +6,9 @@
 # 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
@@ -26,12 +26,18 @@ cd flatbuffers
 cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release
 make install -j8
 cd ..
-rm -rf flatbuffers
 
 # Install flatbuffers python packages.
 pip3 install flatbuffers
 pip2 install flatbuffers
 
+# Build the TFLite static library, necessary for building with TFLite ON.
+# The library is built at:
+# tensorflow/tensorflow/lite/tools/make/gen/*/lib/libtensorflow-lite.a.
+git clone https://github.com/tensorflow/tensorflow --branch=r2.1
+./tensorflow/tensorflow/lite/tools/make/download_dependencies.sh
+./tensorflow/tensorflow/lite/tools/make/build_lib.sh
+
 # Setup tflite from schema
 mkdir tflite
 cd tflite