diff options
| -rw-r--r-- | buildHaskell/default.nix | 31 | ||||
| -rw-r--r-- | default.nix | 19 |
2 files changed, 41 insertions, 9 deletions
diff --git a/buildHaskell/default.nix b/buildHaskell/default.nix new file mode 100644 index 000000000000..0b6a488b3168 --- /dev/null +++ b/buildHaskell/default.nix @@ -0,0 +1,31 @@ +{ pkgs, ... }: + +{ + # Create a nix-shell for Haskell development. + shell = { deps }: let + ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs); + in pkgs.mkShell { + buildInputs = [ghc]; + }; + + # Build a Haskell executable. This assumes a project directory with a + # top-level Main.hs. It also applies a few commonly used language extensions. + # Here is an overview of the arguments: + # - `name`: You can find the result at ./result/$name + # - `srcs`: Will be passed to `srcs` field of `pkgs.stdenv.mkDerivation`. + # - `deps`: A function that accepts `hpkgs` and returns a list of Haskell + # dependencies. + program = { name, srcs, deps, ghcExtensions }: let + ghc = pkgs.haskellPackages.ghcWithPackages (hpkgs: deps hpkgs); + in pkgs.stdenv.mkDerivation { + name = name; + buildInputs = []; + srcs = srcs; + buildPhase = '' + ${ghc}/bin/ghc -Wall Main.hs ${pkgs.lib.concatMapStrings (x: "-X${x} ") ghcExtensions} + ''; + installPhase = '' + mkdir -p $out && mv Main $out/${name} + ''; + }; +} diff --git a/default.nix b/default.nix index bfc1d4015cf8..d6d32c45195c 100644 --- a/default.nix +++ b/default.nix @@ -23,13 +23,14 @@ let depot = depot; }; in { - nixos = readTree ./nixos; - utils = readTree ./utils; - emacs = readTree ./emacs; - website = readTree ./website; - lisp = readTree ./lisp; - gopkgs = readTree ./gopkgs; - monzo_ynab = readTree ./monzo_ynab; - third_party = readTree ./third_party; - tools = readTree ./tools; + nixos = readTree ./nixos; + utils = readTree ./utils; + emacs = readTree ./emacs; + website = readTree ./website; + lisp = readTree ./lisp; + gopkgs = readTree ./gopkgs; + monzo_ynab = readTree ./monzo_ynab; + third_party = readTree ./third_party; + tools = readTree ./tools; + buildHaskell = readTree ./buildHaskell; } |