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Raspberry Pi Bazel Build "Define appropriate PLATFORM macro" error #3469

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samjabrahams opened this Issue Jul 22, 2016 · 6 comments

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samjabrahams commented Jul 22, 2016

When building TensorFlow on Raspberry Pi with Bazel, the pre-compiler end up throwing this error:

Define the appropriate PLATFORM_<foo> macro for this platform

From what I've been able to gather, here's the cause of the issue:

  1. Because Raspberry Pi uses an ARM CPU, the IS_MOBILE_PLATFORM macro is defined in `tensorflow/core/platform/platform.h
  2. Later, when trying to compile png.h, gif.h, or jpeg.h, the if/else statements fall through, leaving with the default option to throw an error.

Environment info

Operating System: Raspbian GNU/Linux, version 8.0

Installed version of CUDA and cuDNN: N/A

Installed from source.

  1. The commit hash : e95f4e7
  2. The output of bazel version :
Build label: 0.2.1-2016-06-13 (@447f7f3)
Build target: bazel-out/local_linux-fastbuild/bin/src/main/java/com/google/devtools/build/lib/bazel/BazelServer_deploy.jar
Build time: Mon Jun 13 19:05:24 2016 (1465844724)
Build timestamp: 1465844724
Build timestamp as int: 1465844724

Steps to reproduce

  1. Build TensorFlow from source on Raspberry Pi as described in this guide without deleting this line from tensorflow/core/platform/platform.h, which defines IS_MOBILE_PLATFORM when compiling on ARM devices.

What have you tried?

  1. Deleted the line mentioned above, which fixes the problem for local builds

Logs or other output that would be helpful

define_macro_error.txt

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samjabrahams Jul 22, 2016

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According to this post on StackExchange, it looks like there's no reliable, automatic way to detect if building for Raspberry Pi.

Would it be possible to add in a #if !defined(PLATFORM_RASPBERRY_PI) line in platform.h and define the macro manually in Bazel with --copt="-D PLATFORM_RASPBERRY_PI"?

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samjabrahams commented Jul 22, 2016

According to this post on StackExchange, it looks like there's no reliable, automatic way to detect if building for Raspberry Pi.

Would it be possible to add in a #if !defined(PLATFORM_RASPBERRY_PI) line in platform.h and define the macro manually in Bazel with --copt="-D PLATFORM_RASPBERRY_PI"?

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danbri commented Sep 7, 2016

@petewarden any thoughts?

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petewarden Sep 17, 2016

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No update on this one I'm afraid. I've been focused on the makefile approach to building for the Pi, and I'm not familiar enough with Bazel to suggest the right way to handle this.

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petewarden commented Sep 17, 2016

No update on this one I'm afraid. I've been focused on the makefile approach to building for the Pi, and I'm not familiar enough with Bazel to suggest the right way to handle this.

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drpngx Jan 23, 2017

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Closing this -- we only support Makefile builds right now.

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drpngx commented Jan 23, 2017

Closing this -- we only support Makefile builds right now.

@drpngx drpngx closed this Jan 23, 2017

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samjabrahams Jan 23, 2017

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Ok, no worries- I'll keep maintaining my repo for those who want a Python interface on their Raspberry Pi.

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samjabrahams commented Jan 23, 2017

Ok, no worries- I'll keep maintaining my repo for those who want a Python interface on their Raspberry Pi.

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EddieOne Jul 25, 2017

Long build process on the Raspberry Pi.

When you wake up the next morning and it's finished compiling

At this stage.

EddieOne commented Jul 25, 2017

Long build process on the Raspberry Pi.

When you wake up the next morning and it's finished compiling

At this stage.

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