Building and Installing Tensorflow on AArch64

$ wget http://openjdk.linaro.org/releases/jdk8u-server-release-1708.tar.xz 
$ tar xvf jdk8u-server-release-1708.tar.xz 
$ cd jdk8u-server-release-1708 
$ export JAVA_HOME=$PWD 
$ cd jre/lib/security/ 
$ rm cacerts 

(for CentOS 7) $ ln --symbolic /etc/pki/java/cacerts . 
(for Debian Jessie) $ ln --symbolic /etc/ssl/certs/java/cacerts .  


$ cd jdk8u-server-release-1708/bin 
$ export PATH=$PWD:$PATH  

$ sudo apt update
$ sudo apt install python-pip
$ pip install --upgrade pip

$ python -m pip install --user numpy

$ sudo apt-get install python-numpy python-dev python-pip python-wheel python-virtualenv

# Pre-requisites for Bazel
$ sudo apt-get install pkg-config zip g++ zlib1g-dev unzip


$ wget https://github.com/bazelbuild/bazel/releases/download/0.5.4/bazel-0.5.4-dist.zip
$ mkdir bazel-0.5.4
$ unzip bazel-0.5.4-dist.zip -d bazel-0.5.4
$ cd bazel-0.5.4

diff --git a/scripts/bootstrap/buildenv.sh b/scripts/bootstrap/buildenv.sh
index 502f2c1..a2ab4dc 100755
--- a/scripts/bootstrap/buildenv.sh
+++ b/scripts/bootstrap/buildenv.sh
@@ -40,7 +40,7 @@ PLATFORM="$(uname -s | tr 'A-Z' 'a-z')"

 MACHINE_TYPE="$(uname -m)"
 MACHINE_IS_64BIT='no'
-if [ "${MACHINE_TYPE}" = 'amd64' -o "${MACHINE_TYPE}" = 'x86_64' -o "${MACHINE_TYPE}" = 's390x' ]; then
+if [ "${MACHINE_TYPE}" = 'amd64' -o "${MACHINE_TYPE}" = 'x86_64' -o "${MACHINE_TYPE}" = 's390x'  -o "${MACHINE_TYPE}" = 'aarch64' ]; then
   MACHINE_IS_64BIT='yes'
 fi

diff --git a/src/main/java/com/google/devtools/build/lib/util/CPU.java b/src/main/java/com/google/devtools/build/lib/util/CPU.java
index 7a85c29..e5f3eae 100755
--- a/src/main/java/com/google/devtools/build/lib/util/CPU.java
+++ b/src/main/java/com/google/devtools/build/lib/util/CPU.java
@@ -26,6 +26,7 @@ public enum CPU {
   X86_64("x86_64", ImmutableSet.of("amd64", "x86_64", "x64")),
   PPC("ppc", ImmutableSet.of("ppc", "ppc64", "ppc64le")),
   ARM("arm", ImmutableSet.of("arm", "armv7l")),
+  AARCH64("aarch64", ImmutableSet.of("aarch64")),
   S390X("s390x", ImmutableSet.of("s390x", "s390")),
   UNKNOWN("unknown", ImmutableSet.<String>of());
 
diff --git a/third_party/BUILD b/third_party/BUILD
index 9cd2fac..f1cd14c 100755
--- a/third_party/BUILD
+++ b/third_party/BUILD
@@ -583,6 +583,11 @@ config_setting(
 )

 config_setting(
+    name = "aarch64",
+    values = {"host_cpu": "aarch64"},
+)
+
+config_setting(
     name = "freebsd",
     values = {"host_cpu": "freebsd"},
 )

$ ./compile.sh
#Copy bazel to $PATH
$ sudo cp output/bazel /usr/local/bin/

$ git clone https://github.com/tensorflow/tensorflow.git
$ ./configure
# Please specify the location of python. [Default is /usr/bin/python]:
# Please specify optimization flags to use during compilation [Default is -march=native]: 
# Do you wish to use jemalloc as the malloc implementation? (Linux only) [Y/n]
jemalloc enabled on Linux
# Do you wish to build TensorFlow with Google Cloud Platform support? [y/N]
No Google Cloud Platform support will be enabled for TensorFlow
# Do you wish to build TensorFlow with Hadoop File System support? [y/N]
No Hadoop File System support will be enabled for TensorFlow
# Do you wish to build TensorFlow with the XLA just-in-time compiler (experimental)? [y/N]
No XLA support will be enabled for TensorFlow
Found possible Python library paths:
  /usr/local/lib/python2.7/dist-packages
  /usr/lib/python2.7/dist-packages
# Please input the desired Python library path to use.  Default is [/usr/local/lib/python2.7/dist-packages]

Using python library path: /usr/local/lib/python2.7/dist-packages
# Do you wish to build TensorFlow with OpenCL support? [y/N]
No OpenCL support will be enabled for TensorFlow
# Do you wish to build TensorFlow with CUDA support? [y/N]
No CUDA support will be enabled for TensorFlow
Configuration finished
Extracting Bazel installation...
.....................
INFO: Starting clean (this may take a while). Consider using --expunge_async if the clean takes more than several minutes.
.....................
INFO: Downloading http://pkgs.fedoraproject.org/repo/pkgs/gmock/gmock-1.7.0.zip/073b984d8798ea1594f5e44d85b20d66/gmock-1.7.0.zip: 297,424 bytes

$ bazel build -c opt --copt="-funsafe-math-optimizations" --copt="-ftree-vectorize" --copt="-fomit-frame-pointer" --verbose_failures tensorflow/tools/pip_package:build_pip_package

#Build pip package
$ bazel-bin/tensorflow/tools/pip_package/build_pip_package /tmp/tensorflow_pkg

$ sudo pip install /tmp/tensorflow_pkg/tensorflow-1.5.0rc0-cp27-cp27mu-linux_aarch64.whl

$ sudo mkdir /tensorflow
$ sudo virtualenv --system-site-packages /tensorflow

$ source /tensorflow/bin/activate bash

(tensorflow)$