gccgo.go

     1  // Copyright 2018 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build gccgo
     6  
     7  package goroot
     8  
     9  import (
    10  	"os"
    11  	"path/filepath"
    12  )
    13  
    14  // IsStandardPackage reports whether path is a standard package,
    15  // given goroot and compiler.
    16  func IsStandardPackage(goroot, compiler, path string) bool {
    17  	switch compiler {
    18  	case "gc":
    19  		dir := filepath.Join(goroot, "src", path)
    20  		_, err := os.Stat(dir)
    21  		return err == nil
    22  	case "gccgo":
    23  		return stdpkg[path]
    24  	default:
    25  		panic("unknown compiler " + compiler)
    26  	}
    27  }
    28
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