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cmd/gomobile: filter out xcrun warnings to get path #84

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cmd/gomobile: filter out xcrun warnings to get path #84

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14 changes: 12 additions & 2 deletions cmd/gomobile/env.go
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Original file line number Diff line number Diff line change
Expand Up @@ -431,6 +431,16 @@ func ndkRoot(targets ...targetInfo) (string, error) {
return ndkRoot, nil
}

// Necessary to filter out warnings about missing extensions.
func getAbsolutePath(output []byte) (path string) {
for _, line := range strings.Split(string(output), "\n") {
if strings.HasPrefix(line, "/") {
return line
}
}
return ""
}

func envClang(sdkName string) (clang, cflags string, err error) {
if buildN {
return sdkName + "-clang", "-isysroot " + sdkName, nil
Expand All @@ -440,14 +450,14 @@ func envClang(sdkName string) (clang, cflags string, err error) {
if err != nil {
return "", "", fmt.Errorf("xcrun --find: %v\n%s", err, out)
}
clang = strings.TrimSpace(string(out))
clang = getAbsolutePath(out)

cmd = exec.Command("xcrun", "--sdk", sdkName, "--show-sdk-path")
out, err = cmd.CombinedOutput()
if err != nil {
return "", "", fmt.Errorf("xcrun --show-sdk-path: %v\n%s", err, out)
}
sdk := strings.TrimSpace(string(out))
sdk := getAbsolutePath(out)
return clang, "-isysroot " + sdk, nil
}

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