github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/tools/nogo/build.go (about)

     1  // Copyright 2019 The gVisor Authors.
     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  
    15  package nogo
    16  
    17  import (
    18  	"fmt"
    19  	"io"
    20  	"os"
    21  )
    22  
    23  // findStdPkg needs to find the bundled standard library packages.
    24  func findStdPkg(GOOS, GOARCH, path string) (io.ReadCloser, error) {
    25  	if path == "C" {
    26  		// Cgo builds cannot be analyzed. Skip.
    27  		return nil, ErrSkip
    28  	}
    29  	return os.Open(fmt.Sprintf("external/go_sdk/pkg/%s_%s/%s.a", GOOS, GOARCH, path))
    30  }