error: flang-rt: not for windows (platforms.os)
       at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/nix/package.nix:635:19
       … while calling the 'throw' builtin at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/nix/package.nix:635:19
       … while evaluating list element at index 4 at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/pkgs/op/openblas/package.nix:25:3
       … while evaluating attribute 'flags' at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/pkgs/op/openblas/package.nix:25:3
       … while evaluating attribute 'make' at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/nix/package.nix:546:9
       … while evaluating attribute 'spec' of derivation 'openblas-x86_64-windows-gnu' at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/nix/package.nix:576:13
       … while evaluating derivation 'openblas-x86_64-windows-gnu'
  whose name attribute is located at /nix/store/frwzbs4872a17v8rygpvibja3zb8n37g-source/nix/package.nix:591:7
       … while calling the 'derivationStrict' builtin at «derivation-internal»:36:12