66 lines
2.6 KiB
Nix
66 lines
2.6 KiB
Nix
{
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description = "my project description";
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inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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inputs.flake-utils.url = "github:numtide/flake-utils";
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outputs = { self, nixpkgs, flake-utils }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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lapack = pkgs.amd-libflame.overrideAttrs (attrs: {
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postInstall = attrs.postInstall + "\nln -s $out/lib/libflame.so.${attrs.version} $out/lib/liblapack.so";
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});
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hPkgs =
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pkgs.haskell.packages."ghc925"; # need to match Stackage LTS version
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# from stack.yaml resolver
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clibs = with pkgs; [
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amd-blis lapack
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];
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myDevTools = [
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hPkgs.ghc # GHC compiler in the desired version (will be available on PATH)
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hPkgs.ghcid # Continuous terminal Haskell compile checker
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#hPkgs.ormolu # Haskell formatter
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#hPkgs.hlint # Haskell codestyle checker
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hPkgs.hoogle # Lookup Haskell documentation
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#hPkgs.haskell-language-server # LSP server for editor
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#hPkgs.implicit-hie # auto generate LSP hie.yaml file from cabal
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#hPkgs.retrie # Haskell refactoring tool
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# hPkgs.cabal-install
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stack-wrapped
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pkgs.ltrace
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] ++ clibs;
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# Wrap Stack to work with our Nix integration. We don't want to modify
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# stack.yaml so non-Nix users don't notice anything.
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# - no-nix: We don't want Stack's way of integrating Nix.
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# --system-ghc # Use the existing GHC on PATH (will come from this Nix file)
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# --no-install-ghc # Don't try to install GHC if no matching GHC found on PATH
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stack-wrapped = pkgs.symlinkJoin {
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name = "stack"; # will be available as the usual `stack` in terminal
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paths = [ pkgs.stack ];
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buildInputs = [ pkgs.makeWrapper ];
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postBuild = ''
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wrapProgram $out/bin/stack \
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--add-flags "\
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--no-nix \
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--system-ghc \
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--no-install-ghc \
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"
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'';
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};
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in {
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devShells.default = pkgs.mkShell {
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buildInputs = myDevTools;
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# Make external Nix c libraries like zlib known to GHC, like
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# pkgs.haskell.lib.buildStackProject does
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# https://github.com/NixOS/nixpkgs/blob/d64780ea0e22b5f61cd6012a456869c702a72f20/pkgs/development/haskell-modules/generic-stack-builder.nix#L38
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LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath myDevTools;
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};
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});
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}
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