Add Apache ORC build sequence with a sample reader file

WORKSPACE

@@ -1121,3 +1121,16 @@ http_archive(
         "https://github.com/tinyobjloader/tinyobjloader/archive/v2.0.0rc8.tar.gz",
     ],
 )
+
+http_archive(
+    name = "liborc",
+    build_file = "//third_party:liborc.BUILD",
+    patch_cmds = [
+        "tar -xzf c++/libs/libhdfspp/libhdfspp.tar.gz -C c++/libs/libhdfspp",
+    ],
+    sha256 = "abdffe48b8d2e7776c3b541ee2241401e49774941ca4a8c759e5d795daec8a45",
+    strip_prefix = "orc-rel-release-1.6.7",
+    urls = [
+        "https://github.com/apache/orc/archive/refs/tags/rel/release-1.6.7.tar.gz",
+    ],
+)

tensorflow_io/core/BUILD

@@ -531,6 +531,19 @@ cc_library(
     alwayslink = 1,
 )
 
+cc_library(
+    name = "orc_ops",
+    srcs = [
+    ],
+    copts = tf_io_copts(),
+    linkstatic = True,
+    deps = [
+        "//tensorflow_io/core:dataset_ops",
+        "@liborc",
+    ],
+    alwayslink = 1,
+)
+
 cc_library(
     name = "numpy_ops",
     srcs = [
@@ -720,6 +733,7 @@ cc_binary(
         "//tensorflow_io/bigquery:bigquery_ops",
         "//tensorflow_io/core:audio_video_ops",
         "//tensorflow_io/core:avro_ops",
+        "//tensorflow_io/core:orc_ops",
         "//tensorflow_io/core:cpuinfo",
         "//tensorflow_io/core:file_ops",
         "//tensorflow_io/core:grpc_ops",

third_party/liborc.BUILD

@@ -0,0 +1,130 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])  # Apache 2.0
+
+exports_files(["LICENSE"])
+
+# Note: orc-proto-wrapper.cc includes orc_proto.pb.cc
+# and prefix with Adaptor.hh. The Adaptor.hh
+# was supposed to capture platform discrepancies.
+# However, since orc_proto.pb.cc can be compiled
+# with cc_proto_library successfully, there is no need
+# for orc-proto-wrapper.cc
+cc_library(
+    name = "liborc",
+    srcs = glob(
+        [
+            "c++/src/*.cc",
+            "c++/src/*.hh",
+            "c++/src/io/*.cc",
+            "c++/src/io/*.hh",
+            "c++/src/wrap/*.cc",
+            "c++/src/wrap/*.hh",
+            "c++/src/wrap/*.h",
+            "c++/include/orc/*.hh",
+        ],
+        exclude = [
+            "c++/src/wrap/orc-proto-wrapper.cc",
+            "c++/src/OrcHdfsFile.cc",
+        ],
+    ) + select({
+        "@bazel_tools//src/conditions:windows": [],
+        "//conditions:default": [
+            "c++/src/OrcHdfsFile.cc",
+        ],
+    }),
+    hdrs = [
+        "c++/include/orc/orc-config.hh",
+        "c++/src/Adaptor.hh",
+    ],
+    copts = [],
+    defines = [],
+    includes = [
+        "c++/include",
+        "c++/src",
+        "c++/src/io",
+        "c++/src/wrap",
+        "proto",
+    ],
+    linkopts = [],
+    visibility = ["//visibility:public"],
+    deps = [
+        ":libhdfspp",
+        ":orc_cc_proto",
+        "@lz4",
+        "@snappy",
+        "@zlib",
+        "@zstd",
+    ],
+)
+
+cc_library(
+    name = "libhdfspp",
+    srcs = glob(
+        [
+            "c++/libs/libhdfspp/include/hdfspp/*.h",
+        ],
+        exclude = [
+        ],
+    ),
+    hdrs = [
+    ],
+    copts = [],
+    defines = [],
+    includes = [
+        "c++/libs/libhdfspp/include",
+    ],
+    deps = [],
+)
+
+proto_library(
+    name = "orc_proto",
+    srcs = ["proto/orc_proto.proto"],
+)
+
+cc_proto_library(
+    name = "orc_cc_proto",
+    deps = [":orc_proto"],
+)
+
+genrule(
+    name = "orc-config_hh",
+    srcs = ["c++/include/orc/orc-config.hh.in"],
+    outs = ["c++/include/orc/orc-config.hh"],
+    cmd = ("sed " +
+           "-e 's/@ORC_VERSION@/1.6.7/g' " +
+           "-e 's/cmakedefine/define/g' " +
+           "$< >$@"),
+)
+
+genrule(
+    name = "Adaptor_hh",
+    srcs = ["c++/src/Adaptor.hh.in"],
+    outs = ["c++/src/Adaptor.hh"],
+    cmd = select({
+        "@bazel_tools//src/conditions:windows": (
+            "sed " +
+            "-e 's/cmakedefine HAS_PREAD/undef HAS_PREAD/g' " +
+            "-e 's/cmakedefine NEEDS_REDUNDANT_MOVE/undef NEEDS_REDUNDANT_MOVE/g' " +
+            "-e 's/cmakedefine NEEDS_Z_PREFIX/undef NEEDS_Z_PREFIX/g' " +
+            "-e 's/cmakedefine/define/g' " +
+            "$< >$@"
+        ),
+        "@bazel_tools//src/conditions:darwin": (
+            "sed " +
+            "-e 's/cmakedefine NEEDS_REDUNDANT_MOVE/undef NEEDS_REDUNDANT_MOVE/g' " +
+            "-e 's/cmakedefine NEEDS_Z_PREFIX/undef NEEDS_Z_PREFIX/g' " +
+            "-e 's/cmakedefine/define/g' " +
+            "$< >$@"
+        ),
+        "//conditions:default": (
+            "sed " +
+            "-e 's/cmakedefine INT64_IS_LL/undef INT64_IS_LL/g' " +
+            "-e 's/cmakedefine HAS_POST_2038/undef HAS_POST_2038/g' " +
+            "-e 's/cmakedefine NEEDS_REDUNDANT_MOVE/undef NEEDS_REDUNDANT_MOVE/g' " +
+            "-e 's/cmakedefine NEEDS_Z_PREFIX/undef NEEDS_Z_PREFIX/g' " +
+            "-e 's/cmakedefine/define/g' " +
+            "$< >$@"
+        ),
+    }),
+)