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31 lines
1.2 KiB
Nix
31 lines
1.2 KiB
Nix
final: prev: with prev;
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# sadly we need to patch GHC a bit.
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let
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ghcPkgOverrides = {
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enableIntegerSimple = false;
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};
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ghcDrvOverrides = drv: {
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hardeningDisable = (drv.hardeningDisable or []) ++ [ "stackprotector" "format" ] ++ lib.optionals prev.stdenv.hostPlatform.isAarch32 [ "pic" "pie" ];
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};
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in {
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haskell-nix = let
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# These patches (ghcPkgOverrides and ghcDrvOverrides) only apply to vanilla source ghcs.
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# Not ghcjs or binary distributions.
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# We also ignore ghc82. And are only concerned with ghc84+
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# we want to apply this only to non-ghcjs ones.
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# As we do some ghc <- ghcjs mapping for ghcjs.
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needsPatches = name:
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!(prev.stdenv.targetPlatform.isGhcjs or false)
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&& lib.hasPrefix "ghc" name
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&& !lib.hasPrefix "ghc82" name
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&& !lib.hasPrefix "ghcjs" name
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&& !lib.hasSuffix "Binary" name;
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overrideCompiler = compiler:
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(compiler.override ghcPkgOverrides).overrideAttrs ghcDrvOverrides;
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in
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lib.recursiveUpdate prev.haskell-nix {
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compiler = lib.mapAttrs (_name: overrideCompiler)
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(lib.filterAttrs (name: _value: needsPatches name) prev.haskell-nix.compiler);
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};
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}
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