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shell.nix
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shell.nix
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# Invoking nix-shell sets up an environment where we can build ghc
# by only invoking hadrian.
{ nixpkgs ? import <nixpkgs> {} }:
let
haskellPackages = nixpkgs.haskell.packages.ghc821;
removeBuild = path: type:
let baseName = baseNameOf (toString path);
in
! (baseName == "_build"
|| baseName == "dist"
|| baseName == "dist-newstyle"
|| baseName == ".stack-work"
|| baseName == "config.log"
|| baseName == "config.status"
|| nixpkgs.lib.hasSuffix ".sh" baseName
|| !(nixpkgs.lib.cleanSourceFilter path type)) ;
filterSrc = path: builtins.filterSource removeBuild path;
hadrianPackages = nixpkgs.haskell.packages.ghc821.override {
overrides = self: super: let
localPackage = name: path: self.callCabal2nix name (filterSrc path) {};
in {
hadrian = localPackage "hadrian" ./. ;
shake = self.callHackage "shake" "0.16" {};
Cabal = localPackage "Cabal" ./../libraries/Cabal/Cabal ;
filepath = localPackage "filepath" ./../libraries/filepath ;
text = localPackage "text" ./../libraries/text ;
hpc = localPackage"hpc" ./../libraries/hpc ;
parsec = localPackage "parsec" ./../libraries/parsec ;
HUnit = nixpkgs.haskell.lib.dontCheck (self.callHackage "HUnit" "1.3.1.2" {});
process = localPackage "process" ./../libraries/process ;
directory = localPackage "directory" ./../libraries/directory ;
}; };
in
nixpkgs.stdenv.mkDerivation {
name = "ghc-dev";
buildInputs = [
hadrianPackages.hadrian
nixpkgs.haskell.compiler.ghc821
haskellPackages.alex
haskellPackages.happy
nixpkgs.python3
nixpkgs.git
nixpkgs.autoconf
nixpkgs.automake
nixpkgs.perl
nixpkgs.gcc
nixpkgs.python3Packages.sphinx
nixpkgs.ncurses
nixpkgs.m4
nixpkgs.gmp
nixpkgs.file ];
}