armnn-ci-build: cross compiling armnn for 32 bit devices

Change-Id: I9d5385fcb3f9412000fecd172b61f4d978a3710d

1 files changed, 137 insertions, 0 deletions

diff --git a/armnn-ci-build/builders-32bit.sh b/armnn-ci-build/builders-32bit.sh
new file mode 100644
index 0000000000..a33034d04e
--- /dev/null
+++ b/armnn-ci-build/builders-32bit.sh
@@ -0,0 +1,137 @@
+#!/bin/bash
+
+set -ex
+
+sudo apt -q=2 update
+sudo apt-get -q=2  install -y  --no-install-recommends git
+sudo apt-get -q=2  install -y  --no-install-recommends scons
+sudo apt-get -q=2  install -y  --no-install-recommends gcc-arm-linux-gnueabihf
+sudo apt-get -q=2  install -y  --no-install-recommends g++-arm-linux-gnueabihf
+sudo apt-get -q=2  install -y  --no-install-recommends curl
+sudo apt-get -q=2  install -y  --no-install-recommends autoconf
+sudo apt-get -q=2  install -y  --no-install-recommends libtool
+sudo apt-get -q=2  install -y  --no-install-recommends cmake
+sudo apt -q=2 install -y --no-install-recommends build-essential cmake libpthread-stubs0-dev
+sudo apt -q=2 install -y --no-install-recommends python-pip virtualenv python-dev python3-dev
+
+# Set local configuration
+git config --global user.email "ci_notify@linaro.org"
+git config --global user.name "Linaro CI"
+
+git clone --depth 1 https://github.com/Arm-software/ComputeLibrary.git
+git clone https://github.com/Arm-software/armnn
+wget https://dl.bintray.com/boostorg/release/1.64.0/source/boost_1_64_0.tar.bz2 && tar xf boost_1_64_0.tar.bz2
+git clone --depth 1 -b v3.5.0 https://github.com/google/protobuf.git
+git clone --depth 1 https://github.com/tensorflow/tensorflow.git --branch v1.14.0 --single-branch
+
+wget -O flatbuffers-1.10.0.tar.gz https://github.com/google/flatbuffers/archive/v1.10.0.tar.gz && tar xf flatbuffers-1.10.0.tar.gz
+
+
+if [ -n "$GERRIT_PROJECT" ] && [ $GERRIT_EVENT_TYPE == "patchset-created" ]; then
+    cd armnn
+    GERRIT_URL="http://${GERRIT_HOST}/${GERRIT_PROJECT}"
+    if git pull ${GERRIT_URL} ${GERRIT_REFSPEC} | grep -q "Automatic merge failed"; then
+	git reset --hard
+        echo "Retrying to apply the patch with: git fetch && git checkout."
+        if ! { git fetch ${GERRIT_URL} ${GERRIT_REFSPEC} | git checkout FETCH_HEAD; }; then
+            git reset --hard
+            echo "Error: *** Error patch merge failed"
+            exit 1
+        fi
+    fi
+fi
+
+
+cd ${WORKSPACE}/ComputeLibrary
+scons extra_cxx_flags="-fPIC" Werror=0 debug=0 asserts=0 neon=1 opencl=0 os=linux arch=armv7a examples=1
+
+
+cd ${WORKSPACE}/boost_1_64_0
+rm project-config.jam || true
+wget --no-check-certificate http://people.linaro.org/~theodore.grey/project-config.jam
+./bootstrap.sh
+./b2  \
+  --build-dir=${WORKSPACE}/boost_1_64_0/build toolset=gcc link=static cxxflags=-fPIC \
+  --with-filesystem \
+  --with-test \
+  --with-log \
+  --with-program_options install --prefix=${WORKSPACE}/boost
+
+
+cd $WORKSPACE/protobuf
+git submodule update --init --recursive
+./autogen.sh
+./configure --prefix=$WORKSPACE/protobuf-host
+make  -j$(nproc)
+make install
+make clean
+
+./autogen.sh
+./configure --prefix=$WORKSPACE/protobuf-arm32 --host=arm-linux CC=arm-linux-gnueabihf-gcc CXX=arm-linux-gnueabihf-g++ --with-protoc=$WORKSPACE/protobuf-host/bin/protoc
+make -j$(nproc)
+make install
+
+
+cd $WORKSPACE/tensorflow
+../armnn/scripts/generate_tensorflow_protobuf.sh ../tensorflow-protobuf ../protobuf-host
+
+cd flatbuffers-1.10.0
+mkdir build && cd build
+cmake .. \
+-DFLATBUFFERS_BUILD_FLATC=1 \
+-DCMAKE_INSTALL_PREFIX:PATH=$WORKSPACE/flatbuffers
+make all install
+AssertZeroExitCode "Building FlatBuffers library failed"
+
+cd $WORKSPACE/flatbuffers-1.10.0
+mkdir build-arm32 && cd build-arm32
+cmake .. -DCMAKE_C_COMPILER=arm-linux-gnueabihf-gcc \
+-DCMAKE_CXX_COMPILER=arm-linux-gnueabihf-g++ \
+-DFLATBUFFERS_BUILD_FLATC=1 \
+-DCMAKE_INSTALL_PREFIX:PATH=$WORKSPACE/flatbuffers-arm32 \
+-DFLATBUFFERS_BUILD_TESTS=0
+make all install
+
+cd $WORKSPACE
+mkdir tflite
+cd tflite
+cp $WORKSPACE/tensorflow/tensorflow/lite/schema/schema.fbs .       
+$WORKSPACE/flatbuffers-1.10.0/build/flatc -c --gen-object-api --reflect-types --reflect-names schema.fbs
+
+cd $WORKSPACE/armnn
+mkdir build
+cd build
+
+cmake .. -DCMAKE_LINKER=/usr/bin/arm-linux-gnueabihf-ld \
+-DCMAKE_C_COMPILER=/usr/bin/arm-linux-gnueabihf-gcc \
+-DCMAKE_CXX_COMPILER=/usr/bin/arm-linux-gnueabihf-g++ \
+-DCMAKE_C_COMPILER_FLAGS=-fPIC \
+-DCMAKE_CXX_FLAGS=-mfpu=neon \
+-DARMCOMPUTE_ROOT=$WORKSPACE/ComputeLibrary \
+-DARMCOMPUTE_BUILD_DIR=$WORKSPACE/ComputeLibrary/build \
+-DBOOST_ROOT=$WORKSPACE/boost \
+-DTF_GENERATED_SOURCES=$WORKSPACE/tensorflow-protobuf \
+-DBUILD_TF_PARSER=1 \
+-DBUILD_TF_LITE_PARSER=1 \
+-DTF_LITE_GENERATED_PATH=$WORKSPACE/tflite \
+-DFLATBUFFERS_ROOT=$WORKSPACE/flatbuffers-arm32 \
+-DFLATC_DIR=$WORKSPACE/flatbuffers-1.10.0/build \
+-DPROTOBUF_ROOT=$WORKSPACE/protobuf-arm32 \
+-DARMCOMPUTENEON=1 \
+-DARMNNREF=1
+make -j$(nproc)
+
+cd ${WORKSPACE}
+rm -rf boost_*.tar.bz2 boost_* protobuf tensorflow
+find ${WORKSPACE} -type f -name *.o -delete
+tar -cJf /tmp/armnn-full-32.tar.xz ${WORKSPACE}
+
+mv armnn/build .
+mv protobuf-arm32/lib/libprotobuf.so.15.0.0 build
+rm -rf boost armnn ComputeLibrary flatbuffers protobuf-host tensorflow-protobuf builders.sh
+tar -cJf /tmp/armnn-32.tar.xz ${WORKSPACE}
+
+mkdir ${WORKSPACE}/out
+mv /tmp/armnn-32.tar.xz ${WORKSPACE}/out
+mv /tmp/armnn-full-32.tar.xz ${WORKSPACE}/out
+cd ${WORKSPACE}/out && sha256sum > SHA256SUMS.txt
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