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Diffstat (limited to 'examples/write_cc_toolchain_cpu/write_cc_toolchain_cpu.bzl')
| -rw-r--r-- | examples/write_cc_toolchain_cpu/write_cc_toolchain_cpu.bzl | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/examples/write_cc_toolchain_cpu/write_cc_toolchain_cpu.bzl b/examples/write_cc_toolchain_cpu/write_cc_toolchain_cpu.bzl new file mode 100644 index 0000000..3e93b42 --- /dev/null +++ b/examples/write_cc_toolchain_cpu/write_cc_toolchain_cpu.bzl @@ -0,0 +1,32 @@ +# Copyright 2019 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. + +"""Example showing how to get CcToolchainInfo in a custom rule.""" + +load("@bazel_tools//tools/cpp:toolchain_utils.bzl", "find_cpp_toolchain", "use_cpp_toolchain") + +def _write_cc_toolchain_cpu_impl(ctx): + cc_toolchain = find_cpp_toolchain(ctx) + output = ctx.actions.declare_file(ctx.label.name + "_cpu") + ctx.actions.write(output, cc_toolchain.cpu) + return [DefaultInfo(files = depset([output]))] + +# This rule does nothing, just writes the target_cpu from the cc_toolchain used for this build. +write_cc_toolchain_cpu = rule( + implementation = _write_cc_toolchain_cpu_impl, + attrs = { + "_cc_toolchain": attr.label(default = Label("@bazel_tools//tools/cpp:current_cc_toolchain")), + }, + toolchains = use_cpp_toolchain(), +) |