使用tensorflow作为存储库构建基于tensorflow的android应用程序
这就像是一个来自中国的后续问题。我想将android示例项目与tensorflow git repo分开,并能够使用tensorflow作为依赖项单独构建它。这是我的文件夹结构使用tensorflow作为存储库构建基于tensorflow的android应用程序,android,tensorflow,bazel,Android,Tensorflow,Bazel,这就像是一个来自中国的后续问题。我想将android示例项目与tensorflow git repo分开,并能够使用tensorflow作为依赖项单独构建它。这是我的文件夹结构 my_project |-- WORKSPACE |-- android | |-- BUILD | `-- ... |-- tensorflow | |-- tensorflow | | | |-- workspace.bzl | | | |-- tensorflow.bzl |
my_project
|-- WORKSPACE
|-- android
| |-- BUILD
| `-- ...
|-- tensorflow
| |-- tensorflow
| | | |-- workspace.bzl
| | | |-- tensorflow.bzl
| | | `-- ...
| |-- WORKSPACE
| |-- BUILD
. `-- ...
其中android应用程序只是一个副本。
根工作区文件包含以下内容:
workspace(name = "my_android_app")
local_repository(
name = "org_tensorflow",
path = "tensorflow", # Relative path to the tensorflow workspace
)
load('//android:workspace.bzl', 'android_workspace')
android_workspace()
# Specify the minimum required bazel version.
load("@org_tensorflow//tensorflow:tensorflow.bzl", "check_version")
check_version("0.3.1")
android/workspace.bzl看起来像这样
load('@org_tensorflow//tensorflow:workspace.bzl', 'tf_workspace')
def android_workspace():
tf_workspace()
android/BUILD的内容与之相同,只是我将@org\u tensorflow作为前缀添加到了//tensorflow everywhere,例如
"@org_tensorflow//tensorflow:tensorflow.bzl"
"@org_tensorflow//tensorflow/contrib/android:android_tensorflow_inference_jni",
"@org_tensorflow//tensorflow/core:android_tensorflow_lib",
当我尝试构建主目标tensorflow_演示时,它给出了这个错误
no such package 'tensorflow': Package crosses into repository @org_tensorflow and referenced by '//android:libtensorflow_demo.so'.
ERROR: Analysis of target '//android:tensorflow_demo' failed; build aborted.
编辑:
多亏了克里斯蒂娜,我能够将Tensorflow Android演示与Tensorflow源代码解耦。您可以使用以下git作为Tensorflow Android项目的模板。
啊,好吧,我知道你在做什么了。谢谢你的详细说明 这里的问题有点微妙:
copts=tf\u copts()
调用@org\u tensorflow中的函数,如下所示:
def tf_copts():
return (["-DEIGEN_AVOID_STL_ARRAY",
"-Iexternal/gemmlowp",
"-Wno-sign-compare",
"-fno-exceptions"] +
if_cuda(["-DGOOGLE_CUDA=1"]) +
if_android_arm(["-mfpu=neon"]) +
if_x86(["-msse4.1"]) +
select({
"//tensorflow:android": [
"-std=c++11",
"-DTF_LEAN_BINARY",
"-O2",
],
"//tensorflow:darwin": [],
"//tensorflow:windows": [
"/DLANG_CXX11",
"/D__VERSION__=\\\"MSVC\\\"",
"/DPLATFORM_WINDOWS",
"/DEIGEN_HAS_C99_MATH",
"/DTENSORFLOW_USE_EIGEN_THREADPOOL",
],
"//tensorflow:ios": ["-std=c++11"],
"//conditions:default": ["-pthread"]}))
基本上是一个switch语句,在不同的平台上使用不同的标志。但是,由于load()
s是在select()
s之前计算的,因此生成文件突然“包含”了对//tensorflow
的引用
要解决这个问题,最简单的方法是硬编码所需的COPT,或者在本地存储库中重新定义tf_COPT
通常如何追踪不正确的引用
事实上,我对你所犯的错误感到非常困惑,所以这里有一个关于调试这类事情的大脑转储
追踪这种交叉引用的常用方法是1)检查您的构建文件(可能DEP是错误的),或2)打印出Bazel实际“看到”构建文件的方式。例如,如果您想在本例中打印已评估的生成规则,可以执行以下操作:
$ bazel query --output=build //:libtensorflow_demo.so
# /home/kchodorow/gitroot/so41153199/BUILD:18:1
cc_binary(
name = "libtensorflow_demo.so",
tags = ["manual", "notap"],
deps = ["//:demo_proto_lib_cc", "@org_tensorflow//tensorflow/contrib/android:android_tensorflow_inference_jni", "@org_tensorflow//tensorflow/core:android_tensorflow_lib", "@org_tensorflow//tensorflow/contrib/android:jni/version_script.lds"],
srcs = ["//:jni/box_coder_jni.cc", "//:jni/imageutils_jni.cc", "//:jni/object_tracking/config.h", "//:jni/object_tracking/flow_cache.h", "//:jni/object_tracking/frame_pair.cc", "//:jni/object_tracking/frame_pair.h", "//:jni/object_tracking/geom.h", "//:jni/object_tracking/gl_utils.h", "//:jni/object_tracking/image-inl.h", "//:jni/object_tracking/image.h", "//:jni/object_tracking/image_data.h", "//:jni/object_tracking/image_neon.cc", "//:jni/object_tracking/image_utils.h", "//:jni/object_tracking/integral_image.h", "//:jni/object_tracking/jni_utils.h", "//:jni/object_tracking/keypoint.h", "//:jni/object_tracking/keypoint_detector.cc", "//:jni/object_tracking/keypoint_detector.h", "//:jni/object_tracking/log_streaming.h", "//:jni/object_tracking/object_detector.cc", "//:jni/object_tracking/object_detector.h", "//:jni/object_tracking/object_model.h", "//:jni/object_tracking/object_tracker.cc", "//:jni/object_tracking/object_tracker.h", "//:jni/object_tracking/object_tracker_jni.cc", "//:jni/object_tracking/optical_flow.cc", "//:jni/object_tracking/optical_flow.h", "//:jni/object_tracking/sprite.h", "//:jni/object_tracking/time_log.cc", "//:jni/object_tracking/time_log.h", "//:jni/object_tracking/tracked_object.cc", "//:jni/object_tracking/tracked_object.h", "//:jni/object_tracking/utils.h", "//:jni/object_tracking/utils_neon.cc", "//:jni/rgb2yuv.cc", "//:jni/rgb2yuv.h", "//:jni/yuv2rgb.cc", "//:jni/yuv2rgb.h"],
linkopts = ["-landroid", "-ljnigraphics", "-llog", "-lm", "-z defs", "-s", "-Wl,--version-script", "@org_tensorflow//tensorflow/contrib/android:jni/version_script.lds"],
linkstatic = True,
linkshared = True,
)
然而,在这种情况下,这实际上对你没有帮助,因为它没有显示科普特人
因此,在运行查询之后,我最终对构建规则进行了“二进制搜索”:我注释掉了除SRC之外的所有内容,尝试构建,然后逐渐取消注释部分,直到得到错误。谢谢!!这就解决了问题。对于试图这样做的人,我在我的android/workspace.bzl中重新定义了copt,并从BUILD调用了copt,您还需要复制根工作区中的android_sdk_存储库和android_ndk_存储库,并修改cc源以更新头路径。