Skip macos & windows

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>

Author: yongtang

tensorflow_io/core/filesystems/BUILD

@@ -36,10 +36,15 @@ cc_library(
     linkstatic = True,
     deps = [
         "//tensorflow_io/core/filesystems/az",
-        "//tensorflow_io/core/filesystems/dfs",
         "//tensorflow_io/core/filesystems/hdfs",
         "//tensorflow_io/core/filesystems/http",
         "//tensorflow_io/core/filesystems/s3",
-    ],
+    ] + select({
+        "@bazel_tools//src/conditions:windows": [],
+        "@bazel_tools//src/conditions:darwin": [],
+        "//conditions:default": [
+            "//tensorflow_io/core/filesystems/dfs",
+        ],
+    }),
     alwayslink = 1,
 )

tensorflow_io/core/filesystems/dfs/BUILD

@@ -9,18 +9,27 @@ load(
 
 cc_library(
     name = "dfs",
-    srcs = [
-        "dfs_filesystem.cc",
-        "dfs_utils.cc",
-        "dfs_utils.h",
-    ],
+    srcs = [] + select({
+        "@bazel_tools//src/conditions:windows": [],
+        "@bazel_tools//src/conditions:darwin": [],
+        "//conditions:default": [
+            "dfs_filesystem.cc",
+            "dfs_utils.cc",
+            "dfs_utils.h",
+        ],
+    }),
     copts = tf_io_copts(),
     linkstatic = True,
     deps = [
         "//tensorflow_io/core/filesystems:filesystem_plugins_header",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/synchronization",
-        "@daos",
-    ],
+    ] + select({
+        "@bazel_tools//src/conditions:windows": [],
+        "@bazel_tools//src/conditions:darwin": [],
+        "//conditions:default": [
+            "@daos",
+        ],
+    }),
     alwayslink = 1,
 )

tensorflow_io/core/filesystems/filesystem_plugins.cc

@@ -29,7 +29,10 @@ limitations under the License.
 TFIO_PLUGIN_EXPORT void TF_InitPlugin(TF_FilesystemPluginInfo* info) {
   info->plugin_memory_allocate = tensorflow::io::plugin_memory_allocate;
   info->plugin_memory_free = tensorflow::io::plugin_memory_free;
-  info->num_schemes = 8;
+  info->num_schemes = 7;
+#if !defined(__APPLE__) && !defined(_MSC_VER)
+  info->num_schemes = info->num_schemes + 1;
+#endif
   info->ops = static_cast<TF_FilesystemPluginOps*>(
       tensorflow::io::plugin_memory_allocate(info->num_schemes *
                                              sizeof(info->ops[0])));
@@ -40,5 +43,7 @@ TFIO_PLUGIN_EXPORT void TF_InitPlugin(TF_FilesystemPluginInfo* info) {
   tensorflow::io::hdfs::ProvideFilesystemSupportFor(&info->ops[4], "hdfs");
   tensorflow::io::hdfs::ProvideFilesystemSupportFor(&info->ops[5], "viewfs");
   tensorflow::io::hdfs::ProvideFilesystemSupportFor(&info->ops[6], "har");
+#if !defined(__APPLE__) && !defined(_MSC_VER)
   tensorflow::io::dfs::ProvideFilesystemSupportFor(&info->ops[7], "daos");
+#endif
 }