Script to build tensorflow on a Raspberry Pi

tensorflow_build.sh

# instructions scripted from https://github.com/samjabrahams/tensorflow-on-raspberry-pi/blob/master/GUIDE.md

apt update
apt -y upgrade
apt -y install pkg-config zip g++ zlib1g-dev unzip python-pip python-numpy swig python-dev python3-pip \
  python3-numpy python3-dev oracle-java8-jdk

# bazel
wget https://github.com/bazelbuild/bazel/releases/download/0.9.0/bazel-0.9.0-dist.zip -O bazel.zip
unzip -d bazel bazel.zip
cd bazel
sed -i 's/-encoding UTF-8 "@${paramfile}"/-encoding UTF-8 "@${paramfile} -J-Xmx500M"/g' scripts/bootstrap/compile.sh
./compile.sh
cp output/bazel /usr/local/bin/bazel

# tensorflow
su piwheels
cd ~
git clone --recurse-submodules https://github.com/tensorflow/tensorflow.git
cd tensorflow
git checkout v1.4.1
grep -Rl 'lib64' | xargs sed -i 's/lib64/lib/g'
sed -i 's/f3a22f35b044/d781c1de9834/g' tensorflow/workspace.bzl
sed -i 's/ca7beac153d4059c02c8fc59816c82d54ea47fe58365e8aded4082ded0b820c4/a34b208da6ec18fa8da963369e166e4a368612c14d956dd2f9d7072904675d9b/g' tensorflow/workspace.bzl
./configure
bazel build -c opt --copt="-mfpu=neon-vfpv4" --copt="-funsafe-math-optimizations" --copt="-ftree-vectorize" --copt="-fomit-frame-pointer" --local_resources 1024,1.0,1.0 --verbose_failures tensorflow/tools/pip_package:build_pip_package
bazel-bin/tensorflow/tools/pip_package/build_pip_package /tmp/tensorflow_pkg