windows: refactor

pkgs/os-specific/windows/mingwrt/common.nix

@@ -1,12 +0,0 @@
-{ lib, fetchurl }:
-
-rec {
-  name = "mingwrt-3.20";
-
-  src = fetchurl {
-    url = "mirror://sourceforge/mingw/MinGW/Base/mingw-rt/${name}-mingw32-src.tar.gz";
-    sha256 = "02pydg1m8y35nxb4k34nlb5c341y2waq76z42mgdzlcf661r91pi";
-  };
-
-  meta.platforms = [ lib.systems.inspect.isMinGW ];
-}

pkgs/os-specific/windows/mingwrt/default.nix

@@ -1,7 +1,15 @@
-{ stdenv, callPackage }:
+{ stdenv, callPackage, lib, fetchurl }:
+
+stdenv.mkDerivation rec {
+  name = "mingwrt-5.0.2";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/mingw/MinGW/Base/mingw-rt/${name}-mingw32-src.tar.gz";
+    sha256 = "02pydg1m8y35nxb4k34nlb5c341y2waq76z42mgdzlcf661r91p0";
+  };
+
+  meta.platforms = [ lib.systems.inspect.isMinGW ];
 
-stdenv.mkDerivation {
-  inherit (callPackage ./common.nix {}) name src meta;
   dontStrip = true;
   hardeningDisable = [ "stackprotector" "fortify" ];
 }

pkgs/os-specific/windows/mingwrt/headers.nix

@@ -1,17 +0,0 @@
-{ stdenvNoCC, callPackage }:
-
-let
-  inherit (callPackage ./common.nix {}) name src meta;
-
-in stdenvNoCC.mkDerivation {
-  name = name + "-headers";
-
-  inherit src meta;
-
-  phases = [ "unpackPhase" "installPhase" ];
-
-  installPhase = ''
-    mkdir -p $out
-    cp -R include $out
-  '';
-}