diff --git a/Cabal/src/Distribution/Simple/Program/Builtin.hs b/Cabal/src/Distribution/Simple/Program/Builtin.hs index e604dbbe962..e90ed5814b4 100644 --- a/Cabal/src/Distribution/Simple/Program/Builtin.hs +++ b/Cabal/src/Distribution/Simple/Program/Builtin.hs @@ -370,7 +370,19 @@ ldProgram = -- `lld` only accepts `-help`. `catchIO` (\_ -> return "") let k = "Supports relocatable output" - v = if "--relocatable" `isInfixOf` ldHelpOutput then "YES" else "NO" + -- Standard GNU `ld` ues `--relocatable` while `ld.gold` uses + -- `-relocatable` (single `-`). + v + | "-relocatable" `isInfixOf` ldHelpOutput = "YES" + -- ld64 on macOS has this lovely response for "--help" + -- + -- ld64: For information on command line options please use 'man ld'. + -- + -- it does however support -r, if you read the manpage + -- (e.g. https://www.manpagez.com/man/1/ld64/) + | "ld64:" `isPrefixOf` ldHelpOutput = "YES" + | otherwise = "NO" + m = Map.insert k v (programProperties ldProg) return $ ldProg{programProperties = m} }