diff --git a/default.nix b/default.nix
index 8def385..c12f38c 100644
--- a/default.nix
+++ b/default.nix
@@ -1,16 +1,3 @@
 { pkgs ? import <nixpkgs> {} }:
 
-pkgs.callPackage ./derivation.nix {
-  extraCmakeFlags = [
-    "-DGINKGO_BUILD_SHARED_LIBS=OFF"
-    "-DGINKGO_BUILD_TESTING=OFF"
-    "-DGINKGO_BUILD_TESTS=OFF"
-    "-DGINKGO_BUILD_MPI=OFF"
-    "-DGINKGO_BUILD_REFERENCE=ON"
-    "-DGINKGO_BUILD_CUDA=OFF"
-    "-DGINKGO_BUILD_BENCHMARKS=OFF"
-    "-DGINKGO_BUILD_EXAMPLES=OFF"
-    "-DGINKGO_BUILD_HWLOC=OFF"
-    "-DGINKGO_BUILD_DOC=OFF"
-  ];
-}
+pkgs.callPackage ./derivation.nix {}
diff --git a/derivation.nix b/derivation.nix
index a86d314..275555d 100644
--- a/derivation.nix
+++ b/derivation.nix
@@ -5,13 +5,17 @@
 , ninja
 , gtest
 , mold
-, clang_14
-, cppCompiler ? clang_14
+, clang
+, cppCompiler ? clang
 , hwloc
 , gflags
 , rapidjson
-, extraBuildInputs ? []
-, extraCmakeFlags ? []
+
+## optional backends
+, hipSupport ? false, hip, rocthrust
+, cudaSupport ? false, cudatoolkit
+, ompSupport ? false
+, mpiSupport ? false
 }:
 
 let
@@ -24,10 +28,12 @@ let
     rev = "234594c92b58e2384dfb43c2d08e7f43e2b58e7a";
     sha256 = "eKQfuXnTMGgEzuksXzZE4QR5ILfVbw+dK9IsRdmalQc=";
   };
-  extra_build_inputs = extraBuildInputs;
   base_cmake_flags = [
+    "-DGINKGO_BUILD_TESTS=OFF"
+    "-DGINKGO_BUILD_BENCHMARKS=OFF"
+    "-DGINKGO_BUILD_EXAMPLES=OFF"
+    "-DGINKGO_BUILD_HWLOC=OFF"
   ];
-  extra_cmake_flags = extraCmakeFlags;
   native_build_inputs = [ 
     cmake
     ninja
@@ -38,7 +44,9 @@ let
   build_inputs = [
     gflags
     rapidjson
-  ];
+  ]
+  ++ lib.optional cudaSupport cudatoolkit
+  ++ lib.optional hipSupport [ hip, rocthrust ];
 in stdenvNoCC.mkDerivation {
   pname = "${basename}";
   version = version;
@@ -47,12 +55,38 @@ in stdenvNoCC.mkDerivation {
 
   nativeBuildInputs = native_build_inputs;
 
-  buildInputs = build_inputs ++ extra_build_inputs;
+  buildInputs = build_inputs;
+
+  cmakeFlags = base_cmake_flags
+    ++ lib.optional cudaSupport [
+      "-DGINKGO_BUILD_CUDA=ON"
+    ]
+    ++ lib.optional (!cudaSupport) [
+      "-DGINKGO_BUILD_CUDA=OFF"
+    ]
+    ++ lib.optional hipSupport [
+      "-DGINKGO_BUILD_HIP=ON"
+    ]
+    ++ lib.optional (!hipSupport) [
+      "-DGINKGO_BUILD_HIP=OFF"
+    ]
+    ++ lib.optional ompSupport [
+      "-DGINKGO_BUILD_OMP=ON"
+    ]
+    ++ lib.optional (!ompSupport) [
+      "-DGINKGO_BUILD_OMP=OFF"
+    ]
+    ++ lib.optional mpiSupport [
+      "-DGINKGO_BUILD_MPI=ON"
+    ]
+    ++ lib.optional (!mpiSupport) [
+      "-DGINKGO_BUILD_MPI=OFF"
+    ];
 
-  cmakeFlags = base_cmake_flags ++ extra_cmake_flags;
-  
   outputs = [ "out" "dev" ];
 
+  doCheck = false;
+
   patches = [
     ./ver_1_5_cmake.patch
   ];
diff --git a/release.nix b/release.nix
index c9268ae..9e6f1cb 100644
--- a/release.nix
+++ b/release.nix
@@ -10,62 +10,17 @@ in
   ginkgo-project = {
     ginkgo = {
       reference = pkgs.callPackage ./derivation.nix {
-        extraCmakeFlags = [
-          "-DGINKGO_BUILD_CUDA=OFF"
-          "-DGINKGO_BUILD_BENCHMARKS=OFF"
-          "-DGINKGO_BUILD_EXAMPLES=OFF"
-          "-DGINKGO_BUILD_HWLOC=OFF"
-          "-DGINKGO_BUILD_HIP=OFF"
-          "-DGINKGO_BUILD_OMP=OFF"
-          "-DGINKGO_BUILD_MPI=OFF"
-        ];
       };
       cuda = pkgs.callPackage ./derivation.nix {
-        extraCmakeFlags = [
-          "-DGINKGO_BUILD_CUDA=ON"
-          "-DGINKGO_BUILD_BENCHMARKS=OFF"
-          "-DGINKGO_BUILD_EXAMPLES=OFF"
-          "-DGINKGO_BUILD_HWLOC=OFF"
-          "-DGINKGO_BUILD_HIP=OFF"
-          "-DGINKGO_BUILD_OMP=OFF"
-          "-DGINKGO_BUILD_MPI=OFF"
-        ];
-        extraBuildInputs = [
-          pkgs.cudatoolkit
-        ];
+        cudaSupport = true;
       };
       hip = pkgs.callPackage ./derivation.nix {
-        cppCompiler = pkgs.clang;
-        extraCmakeFlags = [
-          "-DGINKGO_BUILD_CUDA=OFF"
-          "-DGINKGO_BUILD_BENCHMARKS=OFF"
-          "-DGINKGO_BUILD_EXAMPLES=OFF"
-          "-DGINKGO_BUILD_HWLOC=OFF"
-          "-DGINKGO_BUILD_HIP=ON"
-          "-DGINKGO_BUILD_OMP=OFF"
-          "-DGINKGO_BUILD_MPI=OFF"
-        ];
-        extraBuildInputs = [
-          pkgs.hip
-          pkgs.rocthrust
-          pkgs.hipblas
-          pkgs.hipsparse
-          pkgs.rocrand
-        ]; 
+        cppCompiler = pkgs.llvmPackages_rocm.clang;
+        hipSupport = true;
       };
       omp = pkgs.callPackage ./derivation.nix {
         cppCompiler = pkgs.gcc12;
-        extraCmakeFlags = [
-          "-DGINKGO_BUILD_CUDA=OFF"
-          "-DGINKGO_BUILD_BENCHMARKS=OFF"
-          "-DGINKGO_BUILD_EXAMPLES=OFF"
-          "-DGINKGO_BUILD_HWLOC=OFF"
-          "-DGINKGO_BUILD_OMP=ON"
-          "-DGINKGO_BUILD_HIP=OFF"
-          "-DGINKGO_BUILD_MPI=OFF"
-        ];
-        extraBuildInputs = [
-        ]; 
+        ompSupport = true;
       };
     };
   };