python.pkgs.tensorflow: fix build with bazel 1.0

The tensorflow build was broken by the bazel 1.0 update in
73eb01bde000c34b54764f6f2b9fd1d89a54ccfa.

pkgs/development/python-modules/tensorflow/default.nix

@@ -112,6 +112,8 @@ let
         url = "https://github.com/tensorflow/tensorflow/pull/29673/commits/498e35a3bfe38dd75cf1416a1a23c07c3b59e6af.patch";
         sha256 = "1m2qmwv1ysqa61z6255xggwbq6mnxbig749bdvrhnch4zydxb4di";
       })
+
+      ./tf-1.15-bazel-1.0.patch
     ];
 
     # On update, it can be useful to steal the changes from gentoo
@@ -258,6 +260,7 @@ let
     bazelFlags = [
       # temporary fixes to make the build work with bazel 0.27
       "--incompatible_no_support_tools_in_action_inputs=false"
+      "--incompatible_use_native_patch=false"
     ];
     bazelBuildFlags = [
       "--config=opt" # optimize using the flags set in the configure phase
@@ -273,7 +276,7 @@ let
       sha256 = if cudaSupport then
         "1rbg8w8pjf15hpvzrclsi19lhsrwdns6f8psb1wz35ay0ggdw8c0"
       else
-        "0j9r7xgmkc5cj53m32jk8x0qkz05bcvnwjkd9g6l6wy10anx7kvq";
+        "0d8wq89iz9vrzvr971mgdclxxjcjr32r7aj817h019x3pc53qnwx";
     };
 
     buildAttrs = {

pkgs/development/python-modules/tensorflow/tf-1.15-bazel-1.0.patch

@@ -0,0 +1,213 @@
+diff --git a/tensorflow/c/BUILD b/tensorflow/c/BUILD
+index f740ba66b5..6cc9003787 100644
+--- a/tensorflow/c/BUILD
++++ b/tensorflow/c/BUILD
+@@ -270,6 +270,7 @@ tf_cuda_library(
+         "//tensorflow/core/platform",
+         "@com_google_absl//absl/strings",
+     ],
++    alwayslink = 1,
+ )
+ 
+ exports_files(
+diff --git a/tensorflow/c/eager/BUILD b/tensorflow/c/eager/BUILD
+index 5c42e508f7..16b421862c 100644
+--- a/tensorflow/c/eager/BUILD
++++ b/tensorflow/c/eager/BUILD
+@@ -79,6 +79,7 @@ tf_cuda_library(
+         "//tensorflow/core/profiler/lib:profiler_session",
+         "//tensorflow/core:gpu_runtime",
+     ],
++    alwayslink = 1,
+ )
+ 
+ tf_cuda_library(
+@@ -226,6 +227,7 @@ tf_cuda_library(
+         "//tensorflow/core/profiler/rpc/client:capture_profile",
+         "//tensorflow/core:gpu_runtime",
+     ],
++    alwayslink = 1,
+ )
+ 
+ tf_cuda_cc_test(
+diff --git a/tensorflow/cc/saved_model/BUILD b/tensorflow/cc/saved_model/BUILD
+index 39b84922d1..b2affdd999 100644
+--- a/tensorflow/cc/saved_model/BUILD
++++ b/tensorflow/cc/saved_model/BUILD
+@@ -123,6 +123,7 @@ cc_library(
+         "//tensorflow/core/util/tensor_bundle:naming",
+         # mobile not supported yet
+     ]),
++    alwayslink = 1,
+ )
+ 
+ tf_cc_test(
+diff --git a/tensorflow/core/BUILD b/tensorflow/core/BUILD
+index c23c1f9b39..805643b217 100644
+--- a/tensorflow/core/BUILD
++++ b/tensorflow/core/BUILD
+@@ -777,6 +777,7 @@ cc_library(
+         ":lib_proto_parsing",
+         ":protos_all_cc",
+     ],
++    alwayslink = 1,
+ )
+ 
+ # DEPRECATED: use platform:stringpiece instead.
+@@ -2496,6 +2497,7 @@ cc_library(
+                "@com_google_protobuf//:protobuf",
+            ] + tf_protos_all_impl() + tf_protos_grappler_impl() +
+            tf_additional_numa_deps(),
++    alwayslink = 1,
+ )
+ 
+ # File compiled with extra flags to get cpu-specific acceleration.
+diff --git a/tensorflow/core/lib/random/BUILD b/tensorflow/core/lib/random/BUILD
+index 3bd933261b..e1e589e76d 100644
+--- a/tensorflow/core/lib/random/BUILD
++++ b/tensorflow/core/lib/random/BUILD
+@@ -50,6 +50,7 @@ cc_library(
+         "//tensorflow/core/platform:types",
+         "//third_party/eigen3",
+     ],
++    alwayslink = 1,
+ )
+ 
+ filegroup(
+diff --git a/tensorflow/core/platform/default/build_config.bzl b/tensorflow/core/platform/default/build_config.bzl
+index 5459d8d428..feba3a5686 100644
+--- a/tensorflow/core/platform/default/build_config.bzl
++++ b/tensorflow/core/platform/default/build_config.bzl
+@@ -228,6 +228,7 @@ def cc_proto_library(
+         hdrs = gen_hdrs,
+         deps = cc_libs + deps,
+         includes = includes,
++        alwayslink = 1,
+         **kargs
+     )
+     native.cc_library(
+diff --git a/tensorflow/lite/java/src/test/native/BUILD b/tensorflow/lite/java/src/test/native/BUILD
+index 6dcdab2aee..32bb0a8d85 100644
+--- a/tensorflow/lite/java/src/test/native/BUILD
++++ b/tensorflow/lite/java/src/test/native/BUILD
+@@ -19,6 +19,7 @@ cc_library(
+         "//tensorflow/lite/java/jni",
+         "//tensorflow/lite/kernels:kernel_util",
+     ],
++    alwayslink = 1,
+ )
+ 
+ tflite_jni_binary(
+diff --git a/tensorflow/lite/python/testdata/BUILD b/tensorflow/lite/python/testdata/BUILD
+index 7bda81358f..ac1188d844 100644
+--- a/tensorflow/lite/python/testdata/BUILD
++++ b/tensorflow/lite/python/testdata/BUILD
+@@ -60,6 +60,7 @@ cc_library(
+     deps = [
+         "//tensorflow/lite/c:c_api_internal",
+     ],
++    alwayslink = 1,
+ )
+ 
+ cc_binary(
+diff --git a/tensorflow/python/BUILD b/tensorflow/python/BUILD
+index 6fd9b4f273..29df3a3dff 100644
+--- a/tensorflow/python/BUILD
++++ b/tensorflow/python/BUILD
+@@ -375,6 +375,7 @@ cc_library(
+         "//tensorflow/core:lib",
+         "//tensorflow/core:protos_all_cc",
+     ],
++    alwayslink = 1,
+ )
+ 
+ cc_library(
+@@ -411,6 +412,7 @@ cc_library(
+         "//third_party/py/numpy:headers",
+         "//third_party/python_runtime:headers",
+     ],
++    alwayslink = 1,
+ )
+ 
+ cc_library(
+@@ -617,6 +619,7 @@ cc_library(
+         "//tensorflow/core:op_gen_lib",
+         "//tensorflow/core:protos_all_cc",
+     ],
++    alwayslink = 1,
+ )
+ 
+ py_library(
+diff --git a/tensorflow/tensorflow.bzl b/tensorflow/tensorflow.bzl
+index a3956322fe..32752f59ad 100644
+--- a/tensorflow/tensorflow.bzl
++++ b/tensorflow/tensorflow.bzl
+@@ -2331,6 +2331,7 @@ def tf_generate_proto_text_sources(name, srcs_relative_dir, srcs, protodeps = []
+         hdrs = out_hdrs,
+         visibility = visibility,
+         deps = deps,
++        alwayslink = 1,
+     )
+ 
+ def tf_genrule_cmd_append_to_srcs(to_append):
+diff --git a/tensorflow/tools/graph_transforms/BUILD b/tensorflow/tools/graph_transforms/BUILD
+index adafe2aca1..8965316b12 100644
+--- a/tensorflow/tools/graph_transforms/BUILD
++++ b/tensorflow/tools/graph_transforms/BUILD
+@@ -223,6 +223,7 @@ cc_library(
+         "//tensorflow/core:lib_internal",
+         "//tensorflow/core:protos_all_cc",
+     ],
++    alwayslink = 1,
+ )
+ 
+ # This library includes a main function, to make it easy to create other
+diff --git a/third_party/icu/data/BUILD.bazel b/third_party/icu/data/BUILD.bazel
+index 7db21566e4..8e18c7cc3a 100644
+--- a/third_party/icu/data/BUILD.bazel
++++ b/third_party/icu/data/BUILD.bazel
+@@ -43,4 +43,5 @@ cc_library(
+     name = "conversion_data",
+     srcs = [":conversion_data.c"],
+     deps = ["@icu//:headers"],
++    alwayslink = 1,
+ )
+diff --git a/third_party/protobuf/protobuf.patch b/third_party/protobuf/protobuf.patch
+index df0648563d..18fc6cdf35 100644
+--- a/third_party/protobuf/protobuf.patch
++++ b/third_party/protobuf/protobuf.patch
+@@ -11,7 +11,15 @@ index 2fb26050..c2744d5b 100644
+  
+  ################################################################################
+  # Protobuf Runtime Library
+-@@ -218,7 +218,7 @@ cc_library(
++@@ -209,6 +209,7 @@ cc_library(
++     copts = COPTS,
++     includes = ["src/"],
++     linkopts = LINK_OPTS,
+++    alwayslink = 1,
++     visibility = ["//visibility:public"],
++     deps = [":protobuf_lite"] + PROTOBUF_DEPS,
++ )
++@@ -219,7 +220,7 @@ cc_library(
+  # TODO(keveman): Remove this target once the support gets added to Bazel.
+  cc_library(
+      name = "protobuf_headers",
+@@ -20,3 +28,4 @@ index 2fb26050..c2744d5b 100644
+      includes = ["src/"],
+      visibility = ["//visibility:public"],
+  )
++ 
+\ No newline at end of file
+diff --git a/third_party/systemlibs/protobuf.bzl b/third_party/systemlibs/protobuf.bzl
+index 774514f3fd..1c415b018b 100644
+--- a/third_party/systemlibs/protobuf.bzl
++++ b/third_party/systemlibs/protobuf.bzl
+@@ -262,6 +262,7 @@ def cc_proto_library(
+         hdrs = gen_hdrs,
+         deps = cc_libs + deps,
+         includes = includes,
++        alwayslink = 1,
+         **kargs
+     )
+