| 79 | } |
| 80 | |
| 81 | func (c *testCmd) env() *Env { |
| 82 | env := NewCopyEnv() |
| 83 | env.NoGo() |
| 84 | cmd := exec.Command("go", "env", "GOPATH") |
| 85 | cmd.Stderr = os.Stderr |
| 86 | out, err := cmd.Output() |
| 87 | if err != nil { |
| 88 | panic("Cannot find GOPATH with 'go env GOPATH'") |
| 89 | } |
| 90 | gopath := strings.TrimSpace(string(out)) |
| 91 | if gopath == "" { |
| 92 | panic("devcam test needs GOPATH to be set") |
| 93 | } |
| 94 | env.Set("GOPATH", gopath) |
| 95 | |
| 96 | // Disable CGO on windows if it doesn't look like it's available. |
| 97 | if runtime.GOOS == "windows" { |
| 98 | if _, err := exec.LookPath("gcc"); err != nil { |
| 99 | if _, err := exec.LookPath("clang"); err != nil { |
| 100 | env.Set("CGO_ENABLED", "0") |
| 101 | } |
| 102 | } |
| 103 | } |
| 104 | return env |
| 105 | } |
| 106 | |
| 107 | func (c *testCmd) buildSelf() error { |
| 108 | args := []string{ |