无法编译tensorflow所需的bazel-android

我正在尝试探索tensorflow android演示。我想使用android studio修改应用程序。无法编译tensorflow所需的bazel-android

然而，当我只需按照instructions我得到的编译错误，无论我做什么：

尝试使用巴泽尔和NDK R12B编译tensorflow：

$bazel build -c opt //tensorflow/examples/android:tensorflow_demo 
ERROR: /home/myUser/libs/tensorflow_android/WORKSPACE:3:1: //external:io_bazel_rules_closure: no such attribute 'urls' in 'http_archive' rule. 
ERROR: /home/myUser/libs/tensorflow_android/WORKSPACE:3:1: //external:io_bazel_rules_closure: missing value for mandatory attribute 'url' in 'http_archive' rule. 
ERROR: com.google.devtools.build.lib.packages.BuildFileContainsErrorsException: error loading package '': Encountered error while reading extension file 'closure/defs.bzl': no such package '@io_bazel_rules_closure//closure': error loading package 'external': Could not load //external package. 
INFO: Elapsed time: 0.129s

尝试编译的bazel较新版本以下this advice：

$bazel version 
Build label: 0.2.3-jdk7 // This is my current version of bazel

通过

apt-get的：

$sudo apt-get upgrade bazel 
Reading package lists... Done 
Building dependency tree  
Reading state information... Done 
Calculating upgrade... Done 
E: Unable to locate package bazel

从源（试过巴泽勒-0.4.2和巴泽尔-0.5.0）：

$./compile.sh 
INFO: You can skip this first step by providing a path to the bazel binary as second argument: 
INFO: ./compile.sh compile /path/to/bazel 
    Building Bazel from scratch 
ERROR: JDK version (1.7) is lower than 1.8, please set $JAVA_HOME.

或

$bazel build //src:bazel 
ERROR: /home/myUser/libs/bazel/bazel-0.4.2/tools/build_rules/genproto.bzl:45:16: Traceback (most recent call last): 
    File "/home/myUser/libs/bazel/bazel-0.4.2/tools/build_rules/genproto.bzl", line 42 
     rule(gensrcjar_impl, attrs = {"src": at..."), <2 more arguments>), "_proto_compiler": attr.label(default = Label("//third_party/p..."), <4 more arguments>), "_jar": attr.label(default = Label("@bazel_tools//t..."), <4 more arguments>), "_jdk": attr.label(default = Label("@bazel_tools//t..."), ...)}, ..."}) 
    File "/home/myUser/libs/bazel/bazel-0.4.2/tools/build_rules/genproto.bzl", line 45, in rule 
     attr.label(allow_files = proto_filetype, sing...) 
allow_files should be a boolean or a filetype object. 
ERROR: /home/myUser/libs/bazel/bazel-0.4.2/src/BUILD:130:1: error loading package 'src/main/protobuf': Extension file 'tools/build_rules/genproto.bzl' has errors and referenced by '//src:embedded_tools'. 
ERROR: Loading failed; build aborted. 
INFO: Elapsed time: 0.251s

切换aroung Java的版本看巴泽尔是否编制问题来自那里：

$sudo update-alternatives --config java 
There are 4 choices for the alternative java (providing /usr/bin/java). 

    Selection Path           Priority Status 
------------------------------------------------------------ 
    0   /usr/lib/jvm/java-8-oracle/jre/bin/java   1074  auto mode 
    1   /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java 1071  manual mode 
* 2   /usr/lib/jvm/java-7-oracle/jre/bin/java   1072  manual mode 
    3   /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1069  manual mode 
    4   /usr/lib/jvm/java-8-oracle/jre/bin/java   1074  manual mode

到目前为止没有运气： - /。有没有人从源码成功编译android的tensorflow？

什么版本的Tensorflow，NDK，bazel，java是必需的/兼容的？我真的需要bazel吗？（无论如何，从来没有使用过）我不能像任何其他应用程序一样在android-studio中编译android演示程序吗？我使用Ubuntu 14.04，Cuda8.0，cudnn_v5.1，泰坦X帕斯卡（不知道这些事情无关紧要）

来源

2017-06-03 mcExchange

嗨，你可以尝试用一个较新版本的巴泽尔？ 0.2.3是一个非常旧的版本。最新版本是0.5.1 – Steren

0.2.3是我的系统上当前安装的版本。我试图编译的版本（从github获取）是0.5.0和0.5.1 – mcExchange

为什么你需要编译它？在Ubuntu上安装Bazel可以在不编译的情况下完成。请遵循以下专用文档：[在Ubuntu上安装Bazel]（https://bazel.build/versions/master/docs/install-ubuntu.html） – Steren

在Ubuntu上安装巴泽勒

可以不编制完成。

按照专用文档中的所有步骤：Install Bazel on Ubuntu

来源

2017-06-08 08:26:00 Steren

我又试了一次。现在它的工作。谢谢，并为模糊感到遗憾。 – mcExchange

还发现在安装新的bazel之后，旧的仍然位于'〜/ bin'目录下的$ PATH中，它隐藏了'/ usr/bin/bazel'下的新版本 – mcExchange

无法编译tensorflow所需的bazel-android

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