WIP: trying to get cross-compilation working with iohk haskell.nix ht…

…tps://input-output-hk.github.io/haskell.nix/tutorials/cross-compilation.html
avh4 · Mar 23, 2022 · c98d471 · c98d471
1 parent d796bec
commit c98d471
Show file tree

Hide file tree

Showing 3 changed files with 47 additions and 8 deletions.
diff --git a/default.nix b/default.nix
@@ -1,10 +1,18 @@
-{ sources ? import ./nix/sources.nix { } }:
+{ sources ? import ./nix/sources.nix { }, pkgs ? null }:
 
 let
-  haskellNix = import sources.haskellNix { };
-  pkgs = import haskellNix.sources.nixpkgs-unstable haskellNix.nixpkgsArgs;
+  haskell-nix = if pkgs == null then
+    let
+      haskellNix = import sources.haskellNix { };
+      finalPkgs =
+        import haskellNix.sources.nixpkgs-unstable haskellNix.nixpkgsArgs;
+    in finalPkgs.haskell-nix
 
-  pkgSet = pkgs.haskell-nix.mkCabalProjectPkgSet {
+  else
+    let haskellNix = import sources.haskellNix { inherit pkgs; };
+    in haskellNix.pkgs.haskell-nix;
+
+  pkgSet = haskell-nix.mkCabalProjectPkgSet {
     plan-pkgs = import ./pkgs.nix;
     pkg-def-extras = [ ];
     modules = [ ];

diff --git a/release.nix b/release.nix
@@ -0,0 +1,27 @@
+{ sources ? import ./nix/sources.nix { } }:
+let
+  project = import ./default.nix;
+  pkgsNative = import sources.nixpkgs { };
+
+  pkgsLinux = pkgsNative;
+  pkgsMac = import sources.nixpkgs {
+    crossSystem = pkgsNative.lib.systems.examples.x86_64-darwin;
+  };
+  pkgsWin = import sources.nixpkgs {
+    crossSystem = pkgsNative.lib.systems.examples.mingw32;
+  };
+
+  pkgsTest = import sources.nixpkgs {
+    crossSystem = pkgsNative.lib.systems.examples.aarch64-multiplatform;
+  };
+
+  linux = project { pkgs = pkgsLinux; };
+  mac = project { pkgs = pkgsMac; };
+  win = project { pkgs = pkgsWin; };
+  test = project { pkgs = pkgsTest; };
+in {
+  elm-format-linux = linux.elm-format.components.exes.elm-format;
+  #elm-format-mac = mac.elm-format.components.exes.elm-format;
+  #elm-format-win = win.elm-format.components.exes.elm-format;
+  elm-format-test = test.elm-format.components.exes.elm-format;
+}
diff --git a/shell.nix b/shell.nix
@@ -1,13 +1,16 @@
 { sources ? import nix/sources.nix, pkgs ? import sources.nixpkgs { } }:
 let
+  project = import ./default.nix { sources = sources; };
   niv = import sources.niv { };
+  haskellNix = import sources.haskellNix { };
+in project.shellFor {
+  # packages = p: [ ];
+
+  tools = { cabal = "latest"; };
+  #exactDeps = true;
 
-  haskellPackages = pkgs.haskell.packages.ghc901;
-in haskellPackages.shellFor {
-  packages = p: [ ];
   buildInputs = with pkgs; [
     # Tools required to build elm-format
-    cabal-install
     git
     python3
     jq
@@ -17,5 +20,6 @@ in haskellPackages.shellFor {
     cabal2nix
     niv.niv
     nixfmt
+    haskellNix.pkgs.haskell-nix.nix-tools.ghc901
   ];
 }