26 lines
700 B
Nix
26 lines
700 B
Nix
{ haskell, lib, stdenv,
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versions ? [ "8.10" "9.0" "9.2" "9.4" "9.6" "9.8" "9.10" "9.12" ],
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}:
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let
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inherit (builtins) attrValues replaceStrings;
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toPkg = version:
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"ghc" + replaceStrings ["."] [""] version;
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ghcs = lib.genAttrs versions
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(v: haskell.compiler.${toPkg v});
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mkLinkCmd = version: pkg: ''
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ln -s ${pkg}/bin/ghc $out/bin/ghc-${version}
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ln -s ${pkg}/bin/ghci $out/bin/ghci-${version}
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ln -s ${pkg}/bin/ghc-pkg $out/bin/ghc-pkg-${version}
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'';
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in
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stdenv.mkDerivation {
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name = "multi-ghc";
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buildInputs = attrValues ghcs;
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dontUnpack = true;
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installPhase = lib.concatLines
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([ "mkdir -p $out/bin" ] ++
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lib.mapAttrsToList mkLinkCmd ghcs);
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}
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