From 4be13503c7474a4b84e8fbb7ffdb2e6587c21370 Mon Sep 17 00:00:00 2001
From: Dominic Steinitz <dominic@steinitz.org>
Date: Mon, 9 Apr 2018 15:44:31 +0100
Subject: Almost a complete re-write of shell.nix

---
 shell.nix | 188 ++++++++++++++++++++------------------------------------------
 1 file changed, 60 insertions(+), 128 deletions(-)

(limited to 'shell.nix')

diff --git a/shell.nix b/shell.nix
index 2166c9a..d22f886 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,132 +1,64 @@
-# From Mathieu's PR
-
-# {ghc}:
-
-# with import <nixpkgs> {};
-
-# let
-#   gfortranlibdir = "${gfortran7.cc.lib}";
-#   # XXX Workaround https://ghc.haskell.org/trac/ghc/ticket/11042.
-#   libHack = if stdenv.isDarwin then {
-#       DYLD_LIBRARY_PATH = [gfortranlibdir];
-#     } else {
-#       LD_LIBRARY_PATH = [gfortranlibdir];
-#     };
-# in
-# haskell.lib.buildStackProject ({
-#   name = "haskell-sundials";
-#   buildInputs = [blas liblapack sundials zlib];
-#   inherit ghc;
-#   # XXX Workaround https://ghc.haskell.org/trac/ghc/ticket/11042.
-#   extraArgs = ["--extra-lib-dirs=${gfortranlibdir}"];
-# } // libHack)
-
-
-# Dominic's original version
-
-# { nixpkgs ? import <nixpkgs>
-#   {}
-# , compiler ? "ghc822"
-# , doBenchmark ? false }:
-
-# let
-
-#   inherit (nixpkgs) pkgs;
-
-# f = { mkDerivation, ad, base, diagrams-lib, diagrams-rasterific, gcc
-#     , hmatrix, hmatrix-gsl, HUnit, inline-c, plots, pretty, QuickCheck, stdenv, sundials, vector }:
-
-# mkDerivation {
-#   pname = "haskell-sundials";
-#   version = "0.1.0.0";
-#   src = ./.;
-#   isLibrary = false;
-#   isExecutable = true;
-#   executableHaskellDepends = [
-#     ad
-#     base
-#     diagrams-lib
-#     diagrams-rasterific
-#     gcc
-#     hmatrix
-#     hmatrix-gsl
-#     HUnit
-#     inline-c
-#     plots
-#     QuickCheck
-#     pretty
-#     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
-#     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 {});
-
-# in
-
-#   if pkgs.lib.inNixShell then drv.env else drv
+{ nixpkgs ? import <nixpkgs> {}
+, compiler ? "ghc822", doBenchmark ? false }:
 
 let
-  pkgs = import ./nixpkgs.nix {};
-
-  # List of dependencies, these are provided as
-  #  - extra-lib-dirs to stack for linking
-  #  - buildInputs so that the headers are available during compilation
-  extraLibs =
-    [
-      pkgs.blas
-      pkgs.gfortran7.cc
-      pkgs.glpk
-      pkgs.gsl
-      pkgs.liblapack
-      pkgs.sundials
-      pkgs.zlib # the library
-      pkgs.zlib.dev # the headers
-    ];
-
-  # Wrapped stack executable that uses the nix-provided GHC
-  stack = pkgs.stdenv.mkDerivation {
-      name = "stack-system-ghc";
-      builder = pkgs.writeScript "stack" ''
-        source $stdenv/setup
-        mkdir -p $out/bin
-        makeWrapper ${pkgs.stack}/bin/stack $out/bin/stack \
-          --add-flags "--extra-include-dirs=${pkgs.zlib.dev}/include" \
-          --add-flags "--extra-lib-dirs=${pkgs.lib.makeLibraryPath extraLibs}"
-      '';
-      buildInputs = [ pkgs.makeWrapper ];
-    };
-  ghc = pkgs.haskell.compiler.ghc822;
-  ldLibraryPath = if pkgs.stdenv.isDarwin then "DYLD_LIBRARY_PATH" else "LD_LIBRARY_PATH";
-
-in pkgs.mkShell
-  { buildInputs = [ stack ghc ] ++ extraLibs;
-
-    # Cabal only accepts gsl through pkg-config
-    PKG_CONFIG_PATH="${pkgs.gsl}/lib/pkgconfig";
 
-    # For reasons that are beyond me stack fails to pass in zlib as an extra
-    # lib
-    ${ldLibraryPath} = "${pkgs.zlib}/lib";
+  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 {});
+
+in
+
+  if pkgs.lib.inNixShell then drv.env else drv
 
-    # For some reasons that are beyond me stack fails to pass in liblapack as a
-    # static lib to the linker
-    LIBRARY_PATH="${pkgs.liblapack}/lib";
-  }
-- 
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