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22 lines
1.0 KiB
Diff
22 lines
1.0 KiB
Diff
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GHC 8.10 enables -Wderiving-defaults as part of -Wall.
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It’s a useful warning so we want to keep it. However,
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proto3-suite generates code that triggers this warning.
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Now ideally, we would just switch proto3-suite over to
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DerivingStrategies but unfortunately haskell-src, the library
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used to generate the Haskell source, does not support that.
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So instead, we disable the warning on a per file basis.
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The warning only exists in GHC >= 8.10 so we cannot
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upstream this atm.
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diff --git a/src/Proto3/Suite/DotProto/Generate.hs b/src/Proto3/Suite/DotProto/Generate.hs
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index 566b8a9..fae46a4 100644
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--- a/src/Proto3/Suite/DotProto/Generate.hs
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+++ b/src/Proto3/Suite/DotProto/Generate.hs
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@@ -127,6 +127,7 @@ renderHsModuleForDotProto extraInstanceFiles dotProto importCtxt = do
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{-# OPTIONS_GHC -fno-warn-unused-imports #-}
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{-# OPTIONS_GHC -fno-warn-name-shadowing #-}
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{-# OPTIONS_GHC -fno-warn-unused-matches #-}
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+ {-# OPTIONS_GHC -Wno-deriving-defaults #-}
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-- | Generated by Haskell protocol buffer compiler. DO NOT EDIT!
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|]
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