build patchelf on window

2 files changed, 41 insertions, 2 deletions

diff --git a/flake.lock b/flake.lock
index 5b90b31..3c708e8 100644
--- a/flake.lock
+++ b/flake.lock
@@ -15,9 +15,26 @@
         "type": "indirect"
       }
     },
+    "nixpkgs-mingw": {
+      "locked": {
+        "lastModified": 1667761825,
+        "narHash": "sha256-QpgLyjLoXJzAdLJCNpjYQy7A+varW5gwvEToqggf5D8=",
+        "owner": "Mic92",
+        "repo": "nixpkgs",
+        "rev": "cbcbadafec4f01ea21e905aad14a493cef5fad81",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Mic92",
+        "ref": "mingw",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-mingw": "nixpkgs-mingw"
       }
     }
   },
diff --git a/flake.nix b/flake.nix
index b398468..37806ee 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,8 +2,9 @@
   description = "A tool for modifying ELF executables and libraries";
 
   inputs.nixpkgs.url = "nixpkgs/nixpkgs-unstable";
+  inputs.nixpkgs-mingw.url = "github:Mic92/nixpkgs/mingw";
 
-  outputs = { self, nixpkgs }:
+  outputs = { self, nixpkgs, nixpkgs-mingw }:
 
     let
       supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
@@ -16,6 +17,20 @@
         inherit version;
         src = self;
       };
+
+      # https://github.com/NixOS/nixpkgs/pull/199883
+      pkgsCrossForMingw = system: (import nixpkgs-mingw {
+        inherit system;
+        overlays = [
+          (final: prev: {
+            threadsCross = {
+              model = "win32";
+              package = null;
+            };
+          })
+        ];
+      }).pkgsCross;
+
     in
 
     {
@@ -95,6 +110,13 @@
       packages = forAllSystems (system: {
         patchelf = patchelfFor nixpkgs.legacyPackages.${system};
         default = self.packages.${system}.patchelf;
+
+        patchelf-win32 = (patchelfFor (pkgsCrossForMingw system).mingw32).overrideAttrs (old: {
+          NIX_CFLAGS_COMPILE = "-static";
+        });
+        patchelf-win64 = (patchelfFor (pkgsCrossForMingw system).mingwW64).overrideAttrs (old: {
+          NIX_CFLAGS_COMPILE = "-static";
+        });
       } // nixpkgs.lib.optionalAttrs (system != "i686-linux") {
         patchelf-musl = patchelfFor nixpkgs.legacyPackages.${system}.pkgsMusl;
       });