removed hwloc

derivation.nix

@@ -37,7 +37,6 @@ let
     gtest
   ];
   build_inputs = [
-    hwloc
     gflags
     rapidjson
   ];

release.nix

@@ -1,6 +1,10 @@
 { ... }:
 let
-  pkgs = (import <nixpkgs>{config = {allowUnfree = true;};});
+  pkgs = (import <nixpkgs>{
+    config = {
+      allowUnfree = true;
+    };
+  });
 in
 {
   ginkgo-project = {
@@ -10,6 +14,7 @@ in
           "-DGINKGO_CUDA=OFF"
           "-DGINKGO_BUILD_BENCHMARKS=OFF"
           "-DGINKGO_BUILD_EXAMPLES=OFF"
+          "-DGINKGO-BUILD_HWLOC=OFF"
         ];
       };
       cuda = pkgs.callPackage ./derivation.nix {
@@ -17,6 +22,7 @@ in
           "-DGINKGO_CUDA=ON"
           "-DGINKGO_BUILD_BENCHMARKS=OFF"
           "-DGINKGO_BUILD_EXAMPLES=OFF"
+          "-DGINKGO-BUILD_HWLOC=OFF"
         ];
         extraBuildInputs = [
           pkgs.cudatoolkit