Release Ubuntu 16.04 Clang 1.2 configs for Bazel 0.25.0 (#481)

* Release Ubuntu 16.04 Clang 1.2 configs for Bazel 0.25.0

* also remove obsolete doc comment from output_base.yaml
* update Bazel version fallback to use same version as dependency
tracking for toolchain configs

* fix cloudbuild.yaml

bazelrc/bazel-0.25.0.bazelrc

@@ -0,0 +1,106 @@
+# Copyright 2016 The Bazel Authors. All rights reserved.
+#
+# 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
+#
+#    http://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.
+
+# This file is auto-generated from release/bazelrc.tpl and should not be
+# modified directly.
+
+# This .bazelrc file contains all of the flags required for the provided
+# toolchain with Remote Build Execution.
+#
+# This .bazelrc file also contains all of the flags required for the local
+# docker sandboxing.
+
+# Depending on how many machines are in the remote execution instance, setting
+# this higher can make builds faster by allowing more jobs to run in parallel.
+# Setting it too high can result in jobs that timeout, however, while waiting
+# for a remote machine to execute them.
+build:remote --jobs=50
+
+# Set several flags related to specifying the platform, toolchain and java
+# properties.
+# These flags are duplicated rather than imported from (for example)
+# %workspace%/configs/ubuntu16_04_clang/1.2/toolchain.bazelrc to make this
+# bazelrc a standalone file that can be copied more easily.
+# These flags should only be used as is for the rbe-ubuntu16-04 container
+# and need to be adapted to work with other toolchain containers.
+build:remote --host_javabase=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:jdk8
+build:remote --javabase=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:jdk8
+build:remote --host_java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8
+build:remote --java_toolchain=@bazel_tools//tools/jdk:toolchain_hostjdk8
+build:remote --crosstool_top=@bazel_toolchains//configs/ubuntu16_04_clang/1.2/bazel_0.25.0/default:toolchain
+build:remote --action_env=BAZEL_DO_NOT_DETECT_CPP_TOOLCHAIN=1
+# Platform flags:
+# The toolchain container used for execution is defined in the target indicated
+# by "extra_execution_platforms", "host_platform" and "platforms".
+# If you are using your own toolchain container, you need to create a platform
+# target with "constraint_values" that allow for the toolchain specified with
+# "extra_toolchains" to be selected (given constraints defined in
+# "exec_compatible_with").
+# More about platforms: https://docs.bazel.build/versions/master/platforms.html
+build:remote --extra_toolchains=@bazel_toolchains//configs/ubuntu16_04_clang/1.2/bazel_0.25.0/cpp:cc-toolchain-clang-x86_64-default
+build:remote --extra_execution_platforms=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:rbe_ubuntu1604
+build:remote --host_platform=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:rbe_ubuntu1604
+build:remote --platforms=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:rbe_ubuntu1604
+
+# Set various strategies so that all actions execute remotely. Mixing remote
+# and local execution will lead to errors unless the toolchain and remote
+# machine exactly match the host machine.
+build:remote --spawn_strategy=remote
+build:remote --strategy=Javac=remote
+build:remote --strategy=Closure=remote
+build:remote --strategy=Genrule=remote
+build:remote --define=EXECUTOR=remote
+
+# Enable the remote cache so action results can be shared across machines,
+# developers, and workspaces.
+build:remote --remote_cache=remotebuildexecution.googleapis.com
+
+# Enable remote execution so actions are performed on the remote systems.
+build:remote --remote_executor=remotebuildexecution.googleapis.com
+
+# Enable encryption.
+build:remote --tls_enabled=true
+
+# Set a higher timeout value, just in case.
+build:remote --remote_timeout=3600
+
+# Enable authentication. This will pick up application default credentials by
+# default. You can use --auth_credentials=some_file.json to use a service
+# account credential instead.
+build:remote --auth_enabled=true
+
+# The following flags are only necessary for local docker sandboxing
+# with the rbe-ubuntu16-04 container. Use of these flags is still experimental.
+build:docker-sandbox --host_javabase=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:jdk8
+build:docker-sandbox --javabase=@bazel_toolchains//configs/ubuntu16_04_clang/1.2:jdk8
+build:docker-sandbox --crosstool_top=@bazel_toolchains//configs/ubuntu16_04_clang/1.2/bazel_0.25.0/default:toolchain
+build:docker-sandbox --experimental_docker_image=gcr.io/cloud-marketplace/google/rbe-ubuntu16-04@sha256:da0f21c71abce3bbb92c3a0c44c3737f007a82b60f8bd2930abc55fe64fc2729
+build:docker-sandbox --spawn_strategy=docker
+build:docker-sandbox --strategy=Javac=docker
+build:docker-sandbox --strategy=Closure=docker
+build:docker-sandbox --strategy=Genrule=docker
+build:docker-sandbox --define=EXECUTOR=remote
+build:docker-sandbox --experimental_docker_verbose
+build:docker-sandbox --experimental_enable_docker_sandbox
+
+# The following flags enable the remote cache so action results can be shared
+# across machines, developers, and workspaces.
+build:remote-cache --remote_cache=remotebuildexecution.googleapis.com
+build:remote-cache --tls_enabled=true
+build:remote-cache --remote_timeout=3600
+build:remote-cache --auth_enabled=true
+build:remote-cache --spawn_strategy=standalone
+build:remote-cache --strategy=Javac=standalone
+build:remote-cache --strategy=Closure=standalone
+build:remote-cache --strategy=Genrule=standalone

bazelrc/latest.bazelrc

@@ -1 +1 @@
-bazel-0.24.0.bazelrc
+bazel-0.25.0.bazelrc

cloudbuild.yaml

@@ -1,6 +1,6 @@
+steps:
 # Launch a RBE hello world build + unit test using the @rbe_default toolchain
 # configs.
-steps:
 - name: 'marketplace.gcr.io/google/bazel'
   args:
   - --bazelrc=bazelrc/.bazelrc
@@ -9,3 +9,14 @@ steps:
   - --config=remote
   - --remote_instance_name=projects/asci-toolchain/instances/default_instance
   - --noremote_accept_cached
+
+# Launch a RBE hello world build + unit test using the manually produced
+# configs for Bazel 0.25.0
+- name: 'marketplace.gcr.io/google/bazel'
+  args:
+  - --bazelrc=bazelrc/bazel-0.25.0.bazelrc
+  - test
+  - //examples/remotebuildexecution/hello_world/cc:say_hello_test
+  - --config=remote
+  - --remote_instance_name=projects/asci-toolchain/instances/default_instance
+  - --noremote_accept_cached

configs/ubuntu16_04_clang/1.2/bazel_0.25.0/cpp/BUILD

@@ -0,0 +1,54 @@
+# Copyright 2016 The Bazel Authors. All rights reserved.
+#
+# 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
+#
+#    http://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.
+
+licenses(["notice"])  # Apache 2.0
+
+package(default_visibility = ["//visibility:public"])
+
+# This target is auto-generated from release/cpp.tpl and should not be
+# modified directly.
+toolchain(
+    name = "cc-toolchain-clang-x86_64-default",
+    exec_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+        "@bazel_tools//tools/cpp:clang",
+        "//constraints:xenial",
+    ],
+    target_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+    ],
+    toolchain = "//configs/ubuntu16_04_clang/1.2/bazel_0.25.0/default:cc-compiler-k8",
+    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+)
+
+# This target is auto-generated from release/cpp.tpl and should not be
+# modified directly.
+toolchain(
+    name = "cc-toolchain-clang-x86_64-msan",
+    exec_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+        "@bazel_tools//tools/cpp:clang",
+        "//constraints:xenial",
+        "//constraints/sanitizers:support_msan",
+    ],
+    target_compatible_with = [
+        "@bazel_tools//platforms:linux",
+        "@bazel_tools//platforms:x86_64",
+    ],
+    toolchain = "//configs/ubuntu16_04_clang/1.2/bazel_0.25.0/msan:cc-compiler-k8",
+    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+)

configs/ubuntu16_04_clang/1.2/bazel_0.25.0/default/BUILD

@@ -0,0 +1,121 @@
+# Copyright 2016 The Bazel Authors. All rights reserved.
+#
+# 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
+#
+#    http://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.
+
+# This becomes the BUILD file for @local_config_cc// under non-FreeBSD unixes.
+
+package(default_visibility = ["//visibility:public"])
+
+load(":cc_toolchain_config.bzl", "cc_toolchain_config")
+
+licenses(["notice"])  # Apache 2.0
+
+cc_library(
+    name = "malloc",
+)
+
+filegroup(
+    name = "empty",
+    srcs = [],
+)
+
+filegroup(
+    name = "cc_wrapper",
+    srcs = ["cc_wrapper.sh"],
+)
+
+filegroup(
+    name = "compiler_deps",
+    srcs = glob(["extra_tools/**"]) + [":empty"],
+)
+
+# This is the entry point for --crosstool_top.  Toolchains are found
+# by lopping off the name of --crosstool_top and searching for
+# the "${CPU}" entry in the toolchains attribute.
+cc_toolchain_suite(
+    name = "toolchain",
+    toolchains = {
+        "k8|clang": ":cc-compiler-k8",
+        "k8": ":cc-compiler-k8",
+        "armeabi-v7a|compiler": ":cc-compiler-armeabi-v7a",
+        "armeabi-v7a": ":cc-compiler-armeabi-v7a",
+    },
+)
+
+cc_toolchain(
+    name = "cc-compiler-k8",
+    all_files = ":compiler_deps",
+    ar_files = ":empty",
+    as_files = ":empty",
+    compiler_files = ":compiler_deps",
+    dwp_files = ":empty",
+    linker_files = ":compiler_deps",
+    objcopy_files = ":empty",
+    strip_files = ":empty",
+    supports_param_files = 1,
+    toolchain_config = ":linux_gnu_x86",
+    toolchain_identifier = "linux_gnu_x86",
+)
+
+cc_toolchain_config(
+    name = "linux_gnu_x86",
+    compiler = "clang",
+    cpu = "k8",
+)
+
+toolchain(
+    name = "cc-toolchain-k8",
+    exec_compatible_with = [
+        # TODO(katre): add autodiscovered constraints for host CPU and OS.
+    ],
+    target_compatible_with = [
+        # TODO(katre): add autodiscovered constraints for host CPU and OS.
+    ],
+    toolchain = ":cc-compiler-k8",
+    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+)
+
+# Android tooling requires a default toolchain for the armeabi-v7a cpu.
+cc_toolchain(
+    name = "cc-compiler-armeabi-v7a",
+    all_files = ":empty",
+    ar_files = ":empty",
+    as_files = ":empty",
+    compiler_files = ":empty",
+    dwp_files = ":empty",
+    linker_files = ":empty",
+    objcopy_files = ":empty",
+    strip_files = ":empty",
+    supports_param_files = 1,
+    toolchain_config = ":stub_armeabi-v7a",
+    toolchain_identifier = "stub_armeabi-v7a",
+)
+
+cc_toolchain_config(
+    name = "stub_armeabi-v7a",
+    compiler = "compiler",
+    cpu = "armeabi-v7a",
+)
+
+toolchain(
+    name = "cc-toolchain-armeabi-v7a",
+    exec_compatible_with = [
+        # TODO(katre): add autodiscovered constraints for host CPU and OS.
+    ],
+    target_compatible_with = [
+        "@bazel_tools//platforms:arm",
+        "@bazel_tools//platforms:android",
+    ],
+    toolchain = ":cc-compiler-armabi-v7a",
+    toolchain_type = "@bazel_tools//tools/cpp:toolchain_type",
+)

configs/ubuntu16_04_clang/1.2/bazel_0.25.0/default/METADATA

@@ -0,0 +1 @@
+marketplace.gcr.io/google/clang-ubuntu@sha256:ed21de14f213a6dfe55c50663ae5f95c545ae0f8fce065a70ffe6d8bb260d8d6