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31 lines
1012 B
Nix
31 lines
1012 B
Nix
{ nixpkgs }:
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self: super:
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let
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versions = import ../versions.nix { pkgs = super; };
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ghcName = "ghc${builtins.replaceStrings ["."] [""] versions.ghcVersion}";
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ghcPatches =
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if super.stdenv.targetPlatform.isDarwin
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then [
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# Copied from https://github.com/NixOS/nixpkgs/pull/149942
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# If the GHC version is updated, we must update the patch too.
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# ---
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# Reverts the linking behavior of GHC to not resolve `-libc++` to `c++`.
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# Without this, we get the following error on macOS:
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# ghc: loadArchive: Neither an archive, nor a fat archive: `/path/to/clang++'
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./ghc-9.4-macOS-loadArchive-fix.patch
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] else [ ];
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in
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{
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haskell = super.haskell // {
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compiler = super.haskell.compiler // {
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${ghcName} = (versions.ensureVersion super.haskell.compiler.${ghcName}).overrideAttrs (oldAttrs: {
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patches = (if oldAttrs ? patches then oldAttrs.patches else [ ]) ++ ghcPatches;
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});
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};
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};
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inherit (versions) ghcVersion;
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inherit ghcName;
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}
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