TensorFlow: Make horovod compilation work (#15692)

* TensorFlow: Clean up/simplify the installation, make sure the headers are
installed so that horovod can find them successfully. Fix the 2.0.* builds.

* Backport of 837c8b6b upstream
"Remove contrib cloud bigtable and storage ops/kernels."
Allows 2.0.* releases to build with '--config=nogcp'

* comment regarding tensorflow issue #31187

Co-authored-by: Andrew W Elble <aweits@skl-a-00.rc.rit.edu>

var/spack/repos/builtin/packages/py-tensorflow/0001-Remove-contrib-cloud-bigtable-and-storage-ops-kernel.patch

@@ -0,0 +1,76 @@
+--- a/tensorflow/core/BUILD.orig	2020-01-22 18:43:57.000000000 -0500
++++ b/tensorflow/core/BUILD	2020-03-26 16:33:17.318229701 -0400
+@@ -107,8 +107,6 @@
+ load(
+     "//tensorflow/core/platform:default/build_config.bzl",
+     "tf_additional_all_protos",
+-    "tf_additional_cloud_kernel_deps",
+-    "tf_additional_cloud_op_deps",
+     "tf_additional_core_deps",
+     "tf_additional_cupti_wrapper_deps",
+     "tf_additional_device_tracer_cuda_deps",
+@@ -1427,7 +1425,7 @@
+     ]) + if_tensorrt([
+         "//tensorflow/compiler/tf2tensorrt:trt_engine_resource_ops_op_lib",
+         "//tensorflow/compiler/tf2tensorrt:trt_op_libs",
+-    ]) + tf_additional_cloud_op_deps(),
++    ]),
+     alwayslink = 1,
+ )
+ 
+@@ -1590,7 +1588,7 @@
+         "//tensorflow/core/kernels:summary_kernels",
+         "//tensorflow/core/kernels:training_ops",
+         "//tensorflow/core/kernels:word2vec_kernels",
+-    ] + tf_additional_cloud_kernel_deps() + if_not_windows([
++    ] + if_not_windows([
+         "//tensorflow/core/kernels:fact_op",
+         "//tensorflow/core/kernels:array_not_windows",
+         "//tensorflow/core/kernels:math_not_windows",
+
+diff --git a/tensorflow/core/platform/default/build_config.bzl b/tensorflow/core/platform/default/build_config.bzl
+index b822effa14e5..61a19bdf128f 100644
+--- a/tensorflow/core/platform/default/build_config.bzl
++++ b/tensorflow/core/platform/default/build_config.bzl
+@@ -682,38 +682,6 @@ def tf_additional_core_deps():
+         ],
+     })
+ 
+-# TODO(jart, jhseu): Delete when GCP is default on.
+-def tf_additional_cloud_op_deps():
+-    return select({
+-        "//tensorflow:android": [],
+-        "//tensorflow:ios": [],
+-        "//tensorflow:linux_s390x": [],
+-        "//tensorflow:windows": [],
+-        "//tensorflow:api_version_2": [],
+-        "//tensorflow:windows_and_api_version_2": [],
+-        "//tensorflow:no_gcp_support": [],
+-        "//conditions:default": [
+-            "//tensorflow/contrib/cloud:bigquery_reader_ops_op_lib",
+-            "//tensorflow/contrib/cloud:gcs_config_ops_op_lib",
+-        ],
+-    })
+-
+-# TODO(jhseu): Delete when GCP is default on.
+-def tf_additional_cloud_kernel_deps():
+-    return select({
+-        "//tensorflow:android": [],
+-        "//tensorflow:ios": [],
+-        "//tensorflow:linux_s390x": [],
+-        "//tensorflow:windows": [],
+-        "//tensorflow:api_version_2": [],
+-        "//tensorflow:windows_and_api_version_2": [],
+-        "//tensorflow:no_gcp_support": [],
+-        "//conditions:default": [
+-            "//tensorflow/contrib/cloud/kernels:bigquery_reader_ops",
+-            "//tensorflow/contrib/cloud/kernels:gcs_config_ops",
+-        ],
+-    })
+-
+ def tf_lib_proto_parsing_deps():
+     return [
+         ":protos_all_cc",
+-- 
+2.19.1
+

var/spack/repos/builtin/packages/py-tensorflow/package.py

@@ -3,8 +3,7 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-import glob
+from glob import glob
-import os
 import sys
 
 
@@ -241,6 +240,11 @@ class PyTensorflow(Package, CudaPackage):
     patch('io_bazel_rules_docker2.patch', when='@1.15:2.0')
     # Avoide build error: "name 'new_http_archive' is not defined"
     patch('http_archive.patch', when='@1.12.3')
+    # Backport of 837c8b6b upstream
+    # "Remove contrib cloud bigtable and storage ops/kernels."
+    # Allows 2.0.* releases to build with '--config=nogcp'
+    patch('0001-Remove-contrib-cloud-bigtable-and-storage-ops-kernel.patch',
+          when='@2.0.0:2.0.1')
 
     phases = ['configure', 'build', 'install']
 
@@ -581,6 +585,12 @@ def post_configure_fixes(self):
                 spec['nccl'].prefix.include + '"',
                 '.tf_configure.bazelrc')
 
+        # see tensorflow issue #31187 on github
+        if spec.satisfies('@2.0.0:2.0.1'):
+            filter_file(r'\#define RUY_DONOTUSEDIRECTLY_AVX512 1',
+                        '#define RUY_DONOTUSEDIRECTLY_AVX512 0',
+                        'tensorflow/lite/experimental/ruy/platform.h')
+
         if spec.satisfies('+cuda'):
             libs = spec['cuda'].libs.directories
             libs.extend(spec['cudnn'].libs.directories)
@@ -679,30 +689,24 @@ def build(self, spec, prefix):
 
         build_pip_package = Executable(
             'bazel-bin/tensorflow/tools/pip_package/build_pip_package')
-        build_pip_package(tmp_path)
+        buildpath = join_path(self.stage.source_path, 'spack-build')
+        build_pip_package('--src', buildpath)
 
     def install(self, spec, prefix):
-        with working_dir('spack-build', create=True):
+        buildpath = join_path(self.stage.source_path, 'spack-build')
-            for fn in glob.iglob(join_path(
+        with working_dir(buildpath):
-                    '../bazel-bin/tensorflow/tools/pip_package',
-                    'build_pip_package.runfiles/org_tensorflow/*')):
-                dst = os.path.basename(fn)
-                if not os.path.exists(dst):
-                    os.symlink(fn, dst)
-            for fn in glob.iglob('../tensorflow/tools/pip_package/*'):
-                dst = os.path.basename(fn)
-                if not os.path.exists(dst):
-                    os.symlink(fn, dst)
-
-            # macOS is case-insensitive, and BUILD file in directory
-            # containing setup.py causes the following error message:
-            #     error: could not create 'build': File exists
-            # Delete BUILD file to prevent this.
-            os.remove('BUILD')
 
             setup_py('install', '--prefix={0}'.format(prefix),
                      '--single-version-externally-managed', '--root=/')
 
+            site_packages_dir = join_path(
+                prefix.lib,
+                ('python' + str(self.spec['python'].version.up_to(2))),
+                'site-packages')
+            fn = glob(join_path(site_packages_dir, "tensorflow-*"))
+            incpath = join_path(fn[0], "tensorflow/include")
+            setup_py('install_headers', '--install-dir={0}'.format(incpath))
+
     @run_after('install')
     @on_package_attributes(run_tests=True)
     def import_module_test(self):