Misc build and source fixes to get //iree/base/... building/testing u…

…nder bazel.

Still need to do some corresponding submodule maintenance (will do in a separate PR).

PiperOrigin-RevId: 273773161

WORKSPACE

@@ -1 +1,38 @@
 # Workspace file for the IREE project.
+workspace(name = "iree")
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+
+# Abseil depends on starlark rules that are currently maintained outside
+# of Bazel.
+# Source: https://github.com/abseil/abseil-cpp/blob/master/WORKSPACE
+http_archive(
+    name = "rules_cc",
+    sha256 = "67412176974bfce3f4cf8bdaff39784a72ed709fc58def599d1f68710b58d68b",
+    strip_prefix = "rules_cc-b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_cc/archive/b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e.zip",
+        "https://github.com/bazelbuild/rules_cc/archive/b7fe9697c0c76ab2fd431a891dbb9a6a32ed7c3e.zip",
+    ],
+)
+
+local_repository(
+    name = "com_google_absl",
+    path = "third_party/abseil-cpp",
+)
+
+local_repository(
+    name = "com_google_googletest",
+    path = "third_party/googletest",
+)
+
+local_repository(
+    name = "flatbuffers",
+    path = "third_party/flatbuffers",
+)
+
+new_local_repository(
+    name = "com_google_tracing_framework_cpp",
+    path = "third_party/google_tracing_framework/bindings/cpp",
+    build_file = "build_tools/third_party/google_tracing_framework_cpp/BUILD.bazel",
+)

build_tools/third_party/google_tracing_framework_cpp/BUILD.bazel

@@ -0,0 +1,48 @@
+# Copyright 2019 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+package(
+    default_visibility = ["//visibility:public"],
+)
+
+# There are two ways to enable WTF at compile time:
+#   1) Arrange to add a --copt=-DWTF_ENABLE to your build.
+#   2) Add --define=GLOBAL_WTF_ENABLE=1 to the bazel command line
+# The disadvantage to #1 is that you end up building the entire codebase
+# with a non-standard copt. Depending on the size of your deps, this
+# can use a lot of resources due to inability to hit the forge cache.
+#
+# The advantage to #2 is that it narrowly scopes the copt change just to
+# things that depend on WTF, limiting the scope of things that need to
+# be compiled differently.
+config_setting(
+    name = "wtf_enable",
+    define_values = {
+        "GLOBAL_WTF_ENABLE": "1",
+    },
+)
+
+cc_library(
+    name = "tracing_framework_bindings_cpp",
+    srcs = glob(
+        ["*.cc"],
+        exclude = ["*_test.cc"],
+    ) + glob(["include/wtf/platform/*.h"]),
+    hdrs = glob(["include/wtf/*.h"]),
+    defines = select({
+        ":wtf_enable": ["WTF_ENABLE"],
+        "//conditions:default": [],
+    }),
+    includes = ["include"],
+)

iree/BUILD

@@ -1,4 +1,14 @@
 # Main IREE build file.
+# Note that project-wide, bazel repo aliases are used:
+#   "@absl_py//absl"
+#   "@com_google_absl//absl"
+#   "@local_config_mlir//"
+#   "@llvm//"
+#   "@flatbuffers//:flatbuffers"
+#   "@tensorflow//"
+#
+# Various scripts and helpers operate on these prefixes textually, so
+# avoid doing any systematic construction that would break the matching.
 
 package(
     default_visibility = ["//visibility:public"],

iree/base/BUILD

@@ -40,8 +40,8 @@ cc_library(
     hdrs = ["arena.h"],
     deps = [
         ":logging",
-        "//third_party/absl/base:core_headers",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -50,15 +50,15 @@ cc_test(
     srcs = ["arena_test.cc"],
     deps = [
         ":arena",
-        "//testing/base/public:gunit_main",
+        "@com_google_googletest//:gtest_main",
     ],
 )
 
 cc_library(
     name = "bitfield",
     hdrs = ["bitfield.h"],
     deps = [
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -67,8 +67,8 @@ cc_test(
     srcs = ["bitfield_test.cc"],
     deps = [
         ":bitfield",
-        "//testing/base/public:gunit_main",
-        "//third_party/absl/base:core_headers",
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_googletest//:gtest_main",
     ],
 )
 
@@ -78,9 +78,9 @@ cc_library(
     deps = [
         ":status",
         ":target_platform",
-        "//third_party/absl/memory",
-        "//third_party/absl/strings",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/memory",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/types:span",
     ] + platform_trampoline_deps("file_io"),
 )
 
@@ -96,9 +96,9 @@ cc_library(
     deps = [
         ":ref_ptr",
         ":status",
-        "//third_party/absl/memory",
-        "//third_party/absl/strings",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/memory",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/types:span",
     ] + platform_trampoline_deps("file_mapping"),
 )
 
@@ -108,7 +108,7 @@ cc_library(
     deps = [
         ":ref_ptr",
         ":status",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -117,7 +117,7 @@ cc_library(
     srcs = ["file_path.cc"],
     hdrs = ["file_path.h"],
     deps = [
-        "//third_party/absl/strings",
+        "@com_google_absl//absl/strings",
     ],
 )
 
@@ -131,12 +131,12 @@ cc_library(
         ":source_location",
         ":status",
         ":tracing",
-        "//third_party/absl/base:core_headers",
-        "//third_party/absl/memory",
-        "//third_party/absl/strings",
-        "//third_party/absl/types:optional",
-        "//third_party/absl/types:span",
-        "//third_party/flatbuffers",
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_absl//absl/memory",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/types:optional",
+        "@com_google_absl//absl/types:span",
+        "@flatbuffers",
     ],
 )
 
@@ -168,7 +168,8 @@ cc_test(
     ],
     deps = [
         ":intrusive_list",
-        "//testing/base/public:gunit_main",
+        "@com_google_absl//absl/memory",
+        "@com_google_googletest//:gtest_main",
     ],
 )
 
@@ -182,15 +183,15 @@ cc_library(
     name = "math",
     hdrs = ["math.h"],
     deps = [
-        "//third_party/absl/base:core_headers",
+        "@com_google_absl//absl/base:core_headers",
     ],
 )
 
 cc_library(
     name = "memory",
     hdrs = ["memory.h"],
     deps = [
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -199,7 +200,7 @@ cc_library(
     hdrs = ["ref_ptr.h"],
     deps = [
         ":logging",
-        "//third_party/absl/base:core_headers",
+        "@com_google_absl//absl/base:core_headers",
     ],
 )
 
@@ -209,7 +210,7 @@ cc_test(
     srcs = ["ref_ptr_test.cc"],
     deps = [
         ":ref_ptr",
-        "//testing/base/public:gunit_main",
+        "@com_google_googletest//:gtest_main",
     ],
 )
 
@@ -221,9 +222,9 @@ cc_library(
         ":logging",
         ":source_location",
         ":status",
-        "//third_party/absl/meta:type_traits",
-        "//third_party/absl/strings",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/meta:type_traits",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -234,7 +235,7 @@ cc_test(
         ":shape",
         ":status",
         ":status_matchers",
-        "//testing/base/public:gunit_main",
+        "@com_google_googletest//:gtest_main",
     ],
 )
 
@@ -268,7 +269,7 @@ cc_library(
     name = "time",
     hdrs = ["time.h"],
     deps = [
-        "//third_party/absl/time",
+        "@com_google_absl//absl/time",
     ],
 )
 
@@ -277,9 +278,9 @@ cc_library(
     hdrs = ["tracing.h"],
     deps = [
         "//iree:target_config",
-        "//third_party/tracing_framework_bindings_cpp",
+        "@com_google_tracing_framework_cpp//:tracing_framework_bindings_cpp",
     ] + select({
-        "//third_party/tracing_framework_bindings_cpp:wtf_enable": [":tracing_enabled"],
+        "@com_google_tracing_framework_cpp//:wtf_enable": [":tracing_enabled"],
         "//conditions:default": [":tracing_disabled"],
     }),
 )
@@ -294,8 +295,8 @@ cc_library(
     deps = [
         ":init",
         ":logging",
-        "//third_party/absl/flags:flag",
-        "//third_party/tracing_framework_bindings_cpp",
+        "@com_google_absl//absl/flags:flag",
+        "@com_google_tracing_framework_cpp//:tracing_framework_bindings_cpp",
     ],
     alwayslink = 1,
 )
@@ -313,12 +314,12 @@ cc_library(
         ":init",
         ":logging",
         ":status",
-        "//third_party/absl/base:core_headers",
-        "//third_party/absl/flags:flag",
-        "//third_party/absl/strings",
-        "//third_party/absl/synchronization",
-        "//third_party/absl/time",
-        "//third_party/tracing_framework_bindings_cpp",
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_absl//absl/flags:flag",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/synchronization",
+        "@com_google_absl//absl/time",
+        "@com_google_tracing_framework_cpp//:tracing_framework_bindings_cpp",
     ],
     alwayslink = 1,
 )
@@ -333,11 +334,11 @@ cc_library(
         ":source_location",
         ":status",
         ":time",
-        "//third_party/absl/base:core_headers",
-        "//third_party/absl/container:fixed_array",
-        "//third_party/absl/strings",
-        "//third_party/absl/time",
-        "//third_party/absl/types:span",
+        "@com_google_absl//absl/base:core_headers",
+        "@com_google_absl//absl/container:fixed_array",
+        "@com_google_absl//absl/strings",
+        "@com_google_absl//absl/time",
+        "@com_google_absl//absl/types:span",
     ],
 )
 
@@ -348,7 +349,7 @@ cc_test(
         ":status",
         ":status_matchers",
         ":wait_handle",
-        "//testing/base/public:gunit_main",
-        "//third_party/absl/time",
+        "@com_google_absl//absl/time",
+        "@com_google_googletest//:gtest_main",
     ],
 )

iree/base/api_util.h

@@ -47,7 +47,7 @@ class StatusAdaptorForApiMacros {
 #define IREE_API_RETURN_IF_ERROR(expr)                         \
   IREE_API_STATUS_MACROS_IMPL_ELSE_BLOCKER_                    \
   if (::iree::status_macro_internal::StatusAdaptorForApiMacros \
-          status_adaptor = (expr)) {                           \
+          status_adaptor = {expr}) {                           \
   } else /* NOLINT */                                          \
     return ::iree::ToApiStatus(status_adaptor.Consume().code())