umd: dedupe

pkgs/umd/default.nix

@@ -13,7 +13,7 @@ let
     hash = "sha256-Pa6vFjsG30UnGwLKZc/OTmiSMkXs/0sAFwVGojE8IbY=";
   };
 
-  umd-deps = pkgs.stdenv.mkDerivation {
+  umd-deps = tt-umd.overrideAttrs (previousAttrs: {
     name = "tt-umd-deps-${version}.tar.gz";
 
     inherit src;
@@ -23,23 +23,14 @@ let
     outputHash = "sha256-/T7UJ1OCd4T68DXOxHjGLYiiLoEZIRt7PHbT9npT4uk=";
     outputHashAlgo = "sha256";
 
-    nativeBuildInputs = with pkgs; [
-      cmake
-      git
-      cacert
-      python3
-    ];
-
-    ARCH_NAME = "wormhole_b0";
     cmakeFlags = [
       "-DCPM_DOWNLOAD_ALL=ON"
       "-DCPM_SOURCE_CACHE=${depsDir}"
       "-DTT_UMD_BUILD_TESTS=ON"
     ];
 
-    postPatch = ''
-      cp ${pkgs.cpm-cmake}/share/cpm/CPM.cmake cmake/CPM.cmake
-    '';
+    # Infinite recursion
+    postUnpack = "";
 
     installPhase = ''
       runHook preInstall
@@ -54,10 +45,10 @@ let
 
       runHook postInstall
     '';
-  };
-in
 
-pkgs.stdenv.mkDerivation {
+  });
+
+  tt-umd = pkgs.stdenv.mkDerivation {
     pname = "tt-umd";
     inherit version src;
 
@@ -101,4 +92,8 @@ pkgs.stdenv.mkDerivation {
       mv lib/libdevice.so $out/lib
       runHook postInstall
     '';
-}
+  };
+
+in
+
+tt-umd