1# Copyright 2014 The Bazel Authors. All rights reserved. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14 15load( 16 "//go/private:mode.bzl", 17 "LINKMODES_EXECUTABLE", 18 "LINKMODE_C_ARCHIVE", 19 "LINKMODE_C_SHARED", 20 "LINKMODE_NORMAL", 21) 22load( 23 "//go/private/rules:library.bzl", 24 "go_library", 25) 26load( 27 "//go/private/rules:binary.bzl", 28 "go_binary", 29 "go_non_executable_binary", 30) 31load( 32 "//go/private/rules:test.bzl", 33 "go_test", 34) 35 36_SELECT_TYPE = type(select({"//conditions:default": ""})) 37 38def _cgo(name, kwargs): 39 if "objc" in kwargs: 40 fail("//{}:{}: the objc attribute has been removed. .m sources may be included in srcs or may be extracted into a separated objc_library listed in cdeps.".format(native.package_name(), name)) 41 42def go_library_macro(name, **kwargs): 43 """See docs/go/core/rules.md#go_library for full documentation.""" 44 _cgo(name, kwargs) 45 go_library(name = name, **kwargs) 46 47def go_binary_macro(name, **kwargs): 48 """See docs/go/core/rules.md#go_binary for full documentation.""" 49 _cgo(name, kwargs) 50 51 if kwargs.get("goos") != None or kwargs.get("goarch") != None: 52 for key, value in kwargs.items(): 53 if type(value) == _SELECT_TYPE: 54 # In the long term, we should replace goos/goarch with Bazel-native platform 55 # support, but while we have the mechanisms, we try to avoid people trying to use 56 # _both_ goos/goarch _and_ native platform support. 57 # 58 # It's unclear to users whether the select should happen before or after the 59 # goos/goarch is reconfigured, and we can't interpose code to force either 60 # behaviour, so we forbid this. 61 fail("Cannot use select for go_binary with goos/goarch set, but {} was a select".format(key)) 62 63 if kwargs.get("linkmode", default = LINKMODE_NORMAL) in LINKMODES_EXECUTABLE: 64 go_binary(name = name, **kwargs) 65 else: 66 go_non_executable_binary(name = name, **kwargs) 67 68 if kwargs.get("linkmode") in (LINKMODE_C_ARCHIVE, LINKMODE_C_SHARED): 69 # Create an alias to tell users of the `.cc` rule that it is deprecated. 70 native.alias( 71 name = "{}.cc".format(name), 72 actual = name, 73 visibility = ["//visibility:public"], 74 tags = ["manual"], 75 deprecation = "This target is deprecated and will be removed in the near future. Please depend on ':{}' directly.".format(name), 76 ) 77 78def go_test_macro(name, **kwargs): 79 """See docs/go/core/rules.md#go_test for full documentation.""" 80 _cgo(name, kwargs) 81 go_test(name = name, **kwargs) 82