blob: 14b4e21a0244feb6c598c18ddb8f0c7de78125b9 [file] [log] [blame]
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package imports
import "cmd/go/internal/cfg"
var tags map[string]bool
// Tags returns a set of build tags that are true for the target platform.
// It includes GOOS, GOARCH, the compiler, possibly "cgo",
// release tags like "go1.13", and user-specified build tags.
func Tags() map[string]bool {
if tags == nil {
tags = loadTags()
}
return tags
}
func loadTags() map[string]bool {
tags := map[string]bool{
cfg.BuildContext.GOOS: true,
cfg.BuildContext.GOARCH: true,
cfg.BuildContext.Compiler: true,
}
if cfg.BuildContext.CgoEnabled {
tags["cgo"] = true
}
for _, tag := range cfg.BuildContext.BuildTags {
tags[tag] = true
}
for _, tag := range cfg.BuildContext.ReleaseTags {
tags[tag] = true
}
return tags
}
var anyTags map[string]bool
// AnyTags returns a special set of build tags that satisfy nearly all
// build tag expressions. Only "ignore" and malformed build tag requirements
// are considered false.
func AnyTags() map[string]bool {
if anyTags == nil {
anyTags = map[string]bool{"*": true}
}
return anyTags
}