From 6538dcb08e7a303bc1378d29c60812489089fd0f Mon Sep 17 00:00:00 2001
From: Dominic Steinitz <dominic@steinitz.org>
Date: Tue, 10 Apr 2018 13:22:43 +0100
Subject: Another change of tack

---
 shell.nix | 86 ++++++++++++++++++---------------------------------------------
 1 file changed, 24 insertions(+), 62 deletions(-)

(limited to 'shell.nix')

diff --git a/shell.nix b/shell.nix
index d22f886..42bbe08 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,64 +1,26 @@
-{ nixpkgs ? import <nixpkgs> {}
-, compiler ? "ghc822", doBenchmark ? false }:
-
-let
-
-  inherit (nixpkgs) pkgs;
-
-f = { mkDerivation, base, containers, diagrams-lib, diagrams-rasterific, gcc
-    , hmatrix, hmatrix-gsl, HUnit, inline-c, plots, stdenv
-    , template-haskell, temporary, vector }:
-
-mkDerivation {
-  pname = "hmatrix-sundials";
-  version = "0.1.0.0";
-  src = ./.;
-  isLibrary = true;
-  isExecutable = true;
-  libraryHaskellDepends = [
-    base
-    containers
-    hmatrix
-    inline-c
-    template-haskell
-    vector
-  ];
-  executableHaskellDepends = [
-    base
-    diagrams-lib
-    diagrams-rasterific
-    gcc
-    hmatrix
-    hmatrix-gsl
-    HUnit
-    inline-c
-    template-haskell
-    temporary
-    vector
-  ] ++ (if pkgs.stdenv.isDarwin then [pkgs.darwin.apple_sdk.frameworks.Cocoa] else []);
-  executableSystemDepends = [
-    pkgs.blas
-    pkgs.gfortran.cc
-    pkgs.liblapack
-    pkgs.gsl
-    pkgs.glpk
-    pkgs.pkgconfig
-    pkgs.stack
-    pkgs.sundials
-    pkgs.zlib
-  ] ++ (if pkgs.stdenv.isDarwin then [pkgs.darwin.apple_sdk.frameworks.Accelerate] else []);
-  license = stdenv.lib.licenses.bsd3;
-};
-
-  haskellPackages = if compiler == "default"
-                       then pkgs.haskellPackages
-                       else pkgs.haskell.packages.${compiler};
-
-  variant = if doBenchmark then pkgs.haskell.lib.doBenchmark else pkgs.lib.id;
-
-  drv = variant (haskellPackages.callPackage f {});
+{ nixpkgs ? import <nixpkgs> {} }:
+let p = nixpkgs; in
 
+  let
+  myStack = p.writeShellScriptBin "stack" ''
+    exec ${p.stack}/bin/stack --no-nix --no-docker --system-ghc $STACK_IN_NIX_EXTRA_ARGS "$@"
+  '';
 in
-
-  if pkgs.lib.inNixShell then drv.env else drv
-
+p.haskell.lib.buildStackProject {
+  name = "hmatrix";
+
+  buildInputs = [
+    p.zlib
+    p.sundials
+    p.blas
+    p.gfortran.cc
+    p.liblapack
+    p.gsl
+    p.glpk
+    p.pkgconfig
+    p.stack
+    p.sundials
+    myStack
+  ] ++ (if p.stdenv.isDarwin then [p.darwin.apple_sdk.frameworks.Accelerate] else [])
+    ++ (if p.stdenv.isDarwin then [p.darwin.apple_sdk.frameworks.Cocoa] else []);
+}
-- 
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