1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# 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.
"""proto_lang_toolchain rule"""
load("//proto:proto_common.bzl", "proto_common")
def proto_lang_toolchain(*, name, toolchain_type = None, exec_compatible_with = [], target_compatible_with = [], **attrs):
"""Creates a proto_lang_toolchain and corresponding toolchain target.
Toolchain target is only created when toolchain_type is set.
https://docs.bazel.build/versions/master/be/protocol-buffer.html#proto_lang_toolchain
Args:
name: name of the toolchain
toolchain_type: The toolchain type
exec_compatible_with: ([constraints]) List of constraints the prebuild binaries is compatible with.
target_compatible_with: ([constraints]) List of constraints the target libraries are compatible with.
**attrs: Rule attributes
"""
if getattr(proto_common, "INCOMPATIBLE_PASS_TOOLCHAIN_TYPE", False):
attrs["toolchain_type"] = toolchain_type
# buildifier: disable=native-proto
native.proto_lang_toolchain(name = name, **attrs)
if toolchain_type:
native.toolchain(
name = name + "_toolchain",
toolchain_type = toolchain_type,
exec_compatible_with = exec_compatible_with,
target_compatible_with = target_compatible_with,
toolchain = name,
)
|
