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unix: keep generated types compilable with current cgo #285

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unix: keep generated types compilable with current cgo #285

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7 changes: 7 additions & 0 deletions unix/mkpost.go
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,13 @@ func main() {
}

if goos == "freebsd" {
// Where struct fp_extended_precision is not declared, cgo -godefs
// now renders FpExtendedPrecision as _cgopackage.Incomplete, which
// does not compile. The files generated for those platforms carry
// an empty struct, so keep producing that.
incompleteFpExtended := regexp.MustCompile(`type FpExtendedPrecision _cgopackage\.Incomplete`)
b = incompleteFpExtended.ReplaceAll(b, []byte("type FpExtendedPrecision struct{}"))

// Inside PtraceLwpInfoStruct replace __Siginfo with __PtraceSiginfo,
// Create __PtraceSiginfo as a copy of __Siginfo where every *byte instance is replaced by uintptr
ptraceLwpInfoStruct := regexp.MustCompile(`(?s:type PtraceLwpInfoStruct struct \{.*?\})`)
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