[MacPorts] #53946: req: Tensorflow

[MacPorts]

#53946: req: Tensorflow
----------------------+-----------------
  Reporter:  kencu    |      Owner:
      Type:  request  |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:           |
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Comment (by kencu):

 Maybe this would be of use?

 <https://github.com/Homebrew/homebrew-
 core/blob/8e76efdb55e8431dff18c470cfd3694db6a9d208/Formula/libtensorflow.rb>
 {{{
 class Libtensorflow < Formula
   desc "C interface for Google's OS library for Machine Intelligence"
   homepage "https://www.tensorflow.org/"
   url "https://github.com/tensorflow/tensorflow/archive/v1.2.0.tar.gz"
   sha256
 "03dbf7548d1fc1c11ed58da5fa68616f795c819f868f43478cbcaa26abed374f"

   bottle do
     cellar :any
     sha256
 "09c17052b8500ca29b16e0b0cf897ff2f1fa1ac58dbb1f8379620f74727cbe75" =>
 :sierra
     sha256
 "5253b9433228b62e9db77e03ad76f2d03960c9e8e5d7c3888c44c9f090b38c4b" =>
 :el_capitan
     sha256
 "148f9ee2c1a09e20dbbe126212494e76aa8a699801cd8a1f5838d8d4534f0d4d" =>
 :yosemite
   end

   depends_on "bazel" => :build

   def install
     ENV["PYTHON_BIN_PATH"] = which("python").to_s
     ENV["CC_OPT_FLAGS"] = "-march=native"
     ENV["TF_NEED_JEMALLOC"] = "1"
     ENV["TF_NEED_GCP"] = "0"
     ENV["TF_NEED_HDFS"] = "0"
     ENV["TF_ENABLE_XLA"] = "0"
     ENV["USE_DEFAULT_PYTHON_LIB_PATH"] = "1"
     ENV["TF_NEED_OPENCL"] = "0"
     ENV["TF_NEED_CUDA"] = "0"
     ENV["TF_NEED_MKL"] = "0"
     ENV["TF_NEED_VERBS"] = "0"
     system "./configure"

     system "bazel", "build", "--compilation_mode=opt", "--
 copt=-march=native", "tensorflow:libtensorflow.so"
     lib.install "bazel-bin/tensorflow/libtensorflow.so"
     (include/"tensorflow/c").install "tensorflow/c/c_api.h"
     (lib/"pkgconfig/tensorflow.pc").write <<-EOS.undent
       Name: tensorflow
       Description: Tensorflow library
       Version: #{version}
       Libs: -L#{lib} -ltensorflow
       Cflags: -I#{include}
     EOS
   end

   test do
     (testpath/"test.c").write <<-EOS.undent
       #include <stdio.h>
       #include <tensorflow/c/c_api.h>
       int main() {
         printf("%s", TF_Version());
       }
     EOS
     system ENV.cc, "-L#{lib}", "-ltensorflow", "-o", "test_tf", "test.c"
     assert_equal version, shell_output("./test_tf")
   end
 end
 }}}

--
Ticket URL: <https://trac.macports.org/ticket/53946#comment:5>
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