forked from google/gvisor
-
Notifications
You must be signed in to change notification settings - Fork 0
/
build.go
51 lines (44 loc) · 1.43 KB
/
build.go
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
48
49
50
51
// Copyright 2019 The gVisor Authors.
//
// 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.
package check
import (
"errors"
"fmt"
"go/build"
"io"
"os"
"gvisor.dev/gvisor/tools/nogo/flags"
)
// findStdPkg needs to find the bundled standard library packages.
var findStdPkg = func(path string) (io.ReadCloser, error) {
if path == "C" {
// Cgo builds cannot be analyzed. Skip.
return nil, ErrSkip
}
// Attempt to use the root, if available.
root, envErr := flags.Env("GOROOT")
if envErr != nil {
return nil, fmt.Errorf("unable to resolve GOROOT: %w", envErr)
}
// Attempt to resolve the library, and propagate this error.
f, err := os.Open(fmt.Sprintf("%s/pkg/%s_%s/%s.a", root, flags.GOOS, flags.GOARCH, path))
if err != nil && errors.Is(err, os.ErrNotExist) {
return nil, ErrSkip
}
return f, err
}
// releaseTags returns the default release tags.
var releaseTags = func() ([]string, error) {
return build.Default.ReleaseTags, nil
}