wenche: Fix nvidia driver. flake: add shells/cuda.

shells/cuda.nix

@@ -0,0 +1,25 @@
+# nix develop .#cuda
+# Copied from https://nixos.wiki/wiki/CUDA
+{ pkgs  }:
+
+pkgs.mkShell {
+   name = "cuda-env-shell";
+   buildInputs = with pkgs; [
+     git gitRepo gnupg autoconf curl
+     procps gnumake util-linux m4 gperf unzip
+     cudatoolkit linuxPackages.nvidia_x11
+     libGLU libGL
+     xorg.libXi xorg.libXmu freeglut
+     xorg.libXext xorg.libX11 xorg.libXv xorg.libXrandr zlib
+     ncurses5 stdenv.cc binutils
+
+     # Other applications, like
+     hashcat
+   ];
+   shellHook = ''
+      export CUDA_PATH=${pkgs.cudatoolkit}
+      # export LD_LIBRARY_PATH=${pkgs.linuxPackages.nvidia_x11}/lib:${pkgs.ncurses5}/lib
+      export EXTRA_LDFLAGS="-L/lib -L${pkgs.linuxPackages.nvidia_x11}/lib"
+      export EXTRA_CCFLAGS="-I/usr/include"
+   '';
+}